WO2014108106A1 - Batt comprising crimped bi- or multi-component fibres - Google Patents
Batt comprising crimped bi- or multi-component fibres Download PDFInfo
- Publication number
- WO2014108106A1 WO2014108106A1 PCT/CZ2014/000005 CZ2014000005W WO2014108106A1 WO 2014108106 A1 WO2014108106 A1 WO 2014108106A1 CZ 2014000005 W CZ2014000005 W CZ 2014000005W WO 2014108106 A1 WO2014108106 A1 WO 2014108106A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- fibres
- fibre
- batt
- degree
- range
- Prior art date
Links
Classifications
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/018—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the shape
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/005—Synthetic yarns or filaments
- D04H3/007—Addition polymers
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/22—Formation of filaments, threads, or the like with a crimped or curled structure; with a special structure to simulate wool
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/28—Formation of filaments, threads, or the like while mixing different spinning solutions or melts during the spinning operation; Spinnerette packs therefor
- D01D5/30—Conjugate filaments; Spinnerette packs therefor
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
- D01F8/06—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyolefin as constituent
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/02—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of forming fleeces or layers, e.g. reorientation of yarns or filaments
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/08—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
- D04H3/14—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between thermoplastic yarns or filaments produced by welding
- D04H3/147—Composite yarns or filaments
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/08—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
- D04H3/16—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between thermoplastic filaments produced in association with filament formation, e.g. immediately following extrusion
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2321/00—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D10B2321/02—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polyolefins
- D10B2321/022—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polyolefins polypropylene
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2509/00—Medical; Hygiene
- D10B2509/02—Bandages, dressings or absorbent pads
- D10B2509/026—Absorbent pads; Tampons; Laundry; Towels
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2913—Rod, strand, filament or fiber
- Y10T428/2922—Nonlinear [e.g., crimped, coiled, etc.]
- Y10T428/2924—Composite
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
- Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
- Y10T442/608—Including strand or fiber material which is of specific structural definition
- Y10T442/627—Strand or fiber material is specified as non-linear [e.g., crimped, coiled, etc.]
- Y10T442/629—Composite strand or fiber material
Definitions
- Batt comprising crimped bi- or multi-component fibres
- the invention relates to a batt comprising crimped bi- or multicomponent fibres consisting of at least two materials, which comprise a polymer as a predominant component and which are arranged across the cross-section of the fiber in a way suitable to promote crimping of the fibre during the setting process and which predominant polymer components differ in the crystallisation heat (dHc).
- the here-described batt type is intended especially for the production of nonwoven textiles that are to be used primarily for applications in the hygiene industry.
- nonwoven textiles may be of significance for a number of reasons.
- Nonwoven textiles are often used as a part of hygiene products, where the bulkiness of the material may be used both for reasons of functionality (for example as a part of the loop part of the fastening system consisting of hooks and loops or, for example, for the improvement in the distribution of liquids in the core of absorptive products) as well as for sensory reasons - the bulkiness of the material, apart from other things, gives softness and may be positively accepted in contact with the skin.
- nonwoven textiles may be used as a part of cleaning products such as for example wipes and dusters. The improvement in bulkiness of such nonwoven textiles may also improve their effectiveness as a cleaning element.
- the bulkiness of a nonwoven textile is directly related to the properties of the fibres that form it. Homogenous continuous fibres are typical for spunmelt nonwoven textiles. Bulkiness can subsequently be increased by the use of bonding methods.
- One method consists of the use of such thermal bonding methods, which retain the maximum share of loose fibre segments between the individual bonding points that are used to achieve the required strength of the final material.
- Another method consists of exposing the nonwoven textile, after calender bonding, to a jet of water (hydroenhancing or hydroentanglement) in order to fluff up the fibres and increase their specific thickness.
- Another method consists of producing nonwoven textiles from "bicomponent" polymer fibres, includes steps where these fibres are created under the spinneret, laid to create a batt and subsequently bonded using an embossing calender selected for the purpose of achieving a certain patterned effect.
- Such bicomponent fibres can be produced using spinnerets equipped with two adjacent sections, where the first polymer is delivered through the first one and the second polymer is delivered through the second in order to create a fibre having one part of the cross-section formed by the first polymer and the second part of the cross-section formed by the second polymer (hence the term "bicomponent").
- the respective polymers can be selected to have differing characteristic properties, which enable, in the side- by-side or asymmetrical core / sheath geometry combinations, the curling of bicomponent fibres during the spinning process as they are cooled and drawn from under the spinneret.
- Various documents are known to exist that deal with the application of individual differences for achieving the curling of fibres.
- the European patent EP0685579 from Kimberley Clark describes the combination of polypropylene and polyethylene.
- Another European patent EP 1129247 from the same company describes the combination of different polypropylenes. The key here is the degree of difference of the individual described properties.
- the resulting curled fibres can then be laid to create a batt that is subsequently bonded using various methods to create a bulky nonwoven textile.
- a batt according to the invention comprises crimped bi- or multicomponent fibres consisting of at least two polymeric components, which are mutually arranged across the cross section of the fibers such that they promote crimping of the fibres during the setting process and which differ in the crystallisation heat, where the substance of the invention is that the difference in the crystallisation heat (dHc) is in the range from 30 J/g to 5 J/g and that the described polymeric components differ in at least one of the other parameters selected from the group of melt flow index, degree of polydispersion and the flexural modulus, while the relative difference of the polymer components is:
- the relative difference in the melt flow index is no greater than lOOg/lOmin
- the relative difference in the degree of polydispersity is no greater than 1
- the relative difference in the crystallisation heat is no greater than 300 MPa ;
- fibres have the degree of crimping at least 5 crimps per 20 mm of fibre.
- Fig. 1A examples of asymmetrical (crimping promoting) arrangement of the component sections across the cross-section of a multicomponent fibre
- Fig. IB example of a symmetrical arrangement of the component sections in the cross- section of a multicomponent fibre
- bath here refers to materials in the form of fibres that are found in the state prior to bonding that is performed during the calendering process described for example in patent application WO2012130414.
- the "batt” consists of individual fibres between which a fixed mutual bond is usually not yet formed even though they may be pre-bonded in certain ways, where this pre-bonding may occur during or shortly after the laying of fibres in the spunlaying process. This pre-bonding, however, still permits a substantial number of the fibres to be freely moveable such that they can be repositioned.
- the here-mentioned "batt” may consist of several strata created by the deposition of fibres from several spinning beams in the spunlaying process.
- the term "monocomponent fibre” refers to a fibre formed of a single polymer or polymer blend, as distinguished from bicomponent or multicomponent fibre.
- Bicomponent refers to a fibre having a cross-section comprising two discrete polymer sections, two discrete polymer blend sections, or one discrete polymer section and one discrete polymer blend section.
- the term "bicomponent fibre” is encompassed within the term "multicomponent fibre”.
- a bicomponent fibre may have an overall cross-section divided into two or more sections consisting of differing sections of any shape or arrangement, including for example, a coaxial arrangement, core-and-sheath arrangement, side-by-side arrangement, radial arrangement, etc.
- multicomponent refers to a fibre having a cross-section comprising more than one discrete polymer section, or more than one polymer blend section, or at least one discrete polymer component and at least one polymer blend section.
- multicomponent fibre thus includes, but is not limited to, "bicomponent fibre”.
- a multicomponent fibre may have an overall cross-section divided into parts consisting of differing sections of any shape or arrangement, including, for example, a coaxial arrangement, core-and-sheath arrangement, side-by-side arrangement, radial arrangement, islands-in-the- sea arrangement, etc.
- nonwoven textile means a structure in the form of a fleece or webbing formed from directed or randomly oriented fibres, from which initially a batt is formed and which is subsequently consolidated and fibres are mutually bonded by friction, effects of cohesive forces, gluing or by similar methods creating a single or multiple bonding patterns consisting of bonding imprints formed by a bounded compression and/or the effect of pressure, heat, ultrasound or heat energy, or a combination of these effects if necessary.
- the term does not refer to fabrics formed by weaving or knitting or fabrics using yarn or fibres to form bonding stitches.
- the fibres may be of natural or synthetic origin and may be staple fibres, continuous fibres or fibres produced directly at the processing location.
- a nonwoven textile can be produced using many methods, including technologies such as meltblown, spunbond, spunmelt, spinning from solvents, electrostatic spinning (electrospinning), carding, film fibrillation, melt-film fibrillation, airlaying, dry-laying, wetlaying with staple fibres and various combinations of these processes as known in the art.
- the basis weight of nonwoven textiles is usually expressed in grams per square metre (gsm).
- asymmetry when used with respect to the perpendicular plane of the fibre cross-section means that the arrangement of the fibre sections is not symmetrical, particularly respective to the central symmetry, where the centre is considered to be the centre of the fibre cross-section.
- the term may also relate to axial symmetry, where it is necessary to assess at least as many axes passing through the centre of the cross-section of the fibre as there are polymer sections present.
- heat is understood to mean “melting heat” or “crystallisation heat” and is always understood to mean “latent heat”. Description of preferred embodiments
- a batt may consist of continuous multicomponent fibres produced for example from spunmelt process. Fibres are extruded under a spinneret and subsequently attenuated, cooled and laid down on a belt so as to form a batt of fibres. During the course of the process these fibres will curl automatically. The batt may be converted to the nonwoven fabric.
- the individual fibres consist of at least two polymer components A and B, where the polymer components are delivered to the spinneret separately and in the resulting fibre there is a section with a predominance of the A polymer component and a section with a predominance of the B polymer component and wherein the sections in the cross-section of the fibre are arranged in a manner that supports the crimping of the fibres already during the course of the setting process of the fibre.
- These areas can, for example, be found on the opposite sides of the fibre cross-section and so form an arrangement known in bicomponent fibres under the name side-by-side or, for example, one section may surround the second section and so form an arrangement know as core-sheath, where for the purpose of ensuring the crimping of the fibre, the overall arrangement of both sections with predominant polymeric components A,B is asymmetrical in cross-section.
- the fibre may contain three polymer sections with predominant polymer components A, B, C arranged, for example in the arrangement known as “segmented pie” or “islands-in-the-sea", where for the purpose of ensuring the crimping of the fibre, the overall arrangement of both sections with predominant material components A,B is asymmetrical in the cross-section.
- polypropylene + polyethylene For example one polymer together with another polymer (polypropylene + polyethylene), copolymers (polypropylene + polypropylene copolymer) or a blend (polypropylene + polypropylene blend and a polypropylene copolymer).
- polypropylene + polyethylene copolymers
- polypropylene + polypropylene copolymer copolymers
- a blend polypropylene + polypropylene blend and a polypropylene copolymer
- the same polymer with differing properties for example a difference in the melt flow index, polydispersion, degree of crystallinity of the material or its elasticity
- a difference in the melt flow index, polydispersion, degree of crystallinity of the material or its elasticity may be used, where for success it is essential to have a significant difference in at least one of the parameters.
- the subject of this invention is crimped multicomponent fibre where the used polymers predominant in sections are very similar to each other.
- the polymers can be chemically the same, just a bit differ in physical properties, e.g. polypropylene- polypropylene combination.
- polypropylene polymer made from propylene monomer units
- tacticity of single units, or length of polymer chains or distribution of different polymer chains in polymer can bring variability in physical properties, that is significant for fiber and nonwoven production.
- a person skilled in the field will appreciate the wide range of commercial types of polymers available on the market and will also appreciate the various amounts and availability of the individual types. Due to the distribution in demand, the offer is also concentrated particularly at polymers in a relatively narrow area of properties. A considerable advantage arising from the use of significantly similar polymers is also that they are relatively readily available on the market.
- the mentioned polymer sections may be formed using one polymer or may be formed using a blend of various compounds. It is known in the industry that there also exist fibres consisting of multicomponent fibres based on the same polymer, the components differing only in the addition of an admixture. For example US file 6,203,905 from Kimberly Clark describes the addition of a nucleation additive into one section of the bicomponent fibre.
- the principle of our invention may consists of predominant polymeric components only or of predominant components and added additives.
- the principle of our invention may also contain the addition of additives (for example dyes), but the addition of such an additive does not affect the crimping of fibres to a significant degree.
- additives for example dyes
- the additive may, for example, be added to both sections symmetrically.
- some functional additives may induce a chemical reaction directly in the polymer melt immediately before spinning and their effectiveness may be affected, for example by the temperature of the melt (for example IRGATEC CR76 from BASF).
- the temperature of the melt for example IRGATEC CR76 from BASF.
- a significant difference in the resulting properties for example melt flow index, polydispersion, etc.
- the principle of the invention may contain the addition of functional additives, but this addition does not affect the crimping of fibres to a significant degree.
- the key variable is the latent heat of crystallisation (dHc), which is an indicator of the amount of energy that it is necessary to take from the system in order for the crystallisation of the polymer components to occur.
- dHc latent heat of crystallisation
- a known document Kimberly-Clark EP0685579 determines the minimum difference in the melting heat, which equates approximately to a crystallisation heat of 40 J/g.
- the crimping of the fibres occurs at smaller differences, when a surprisingly significant synergistic effect of other differences between the predominant component in sections is taken advantage of.
- the curling or crimping of fibres based on the invention results from the combination of small differences in the crystallisation heat (dHc) and in at least one, preferably two more parameters of the polymer.
- the individual predominant components differ in the heat of crystallisation (dHc), where the difference in the values is in the range of 30 J/g to 5 J/g, better yet 30 J/g to 10 J/g, and preferably 30 J/g to 20 J/g.
- the heat of crystallisation difference (dHc) can be in the range of 24 J/g to 5 J/g, better yet 24 J/g to 10 J/g, and preferably 24 J/g to 20 J/g.
- the individual predominant components may differ in the melt flow index (MFI) level, where the difference between the values is in the range of approximately lOOg/lOmin to 5g/10min, better yet 80g/10min; preferably 60g/10min to lOg/lOmin.
- MFI melt flow index
- the individual predominant components may, furthermore, differ in the degree of the material's polydispersion, where the difference in the values is in the range 1 to 0.3, better yet 1 to 0.5 and preferably 1 to 0.75.
- the individual predominant components may, furthermore, differ in the flexural modulus of the material, where the difference in the values is in the range 300 MPa to 50 MPa, better yet 250 MPa to 80 MPa and preferably 200 MPa to 80 MPa.
- the individual predominant components of sections may differ in the crystallisation temperature, where the difference in the values is in the range of approximately 5-30°C, better yet 5-25°C and preferably 8-25°C.
- the individual predominant components of sections may differ in crystallisation speed, where the difference in the values is at least 20 seconds, better yet 50 seconds, better yet 120 seconds and preferably 150 seconds.
- the polymer components are dosed (1) into separate extrusion systems (2), where they are melted, heated to a suitable operating temperature and still separated brought to the spinnerets (4) where the multicomponent fibre is formed.
- a person skilled in the art will understand that the process for preparing polymers for spinning in the form of a multicomponent fibre may, depending on the type of technology encompass further specific steps, as well as the fact that various additives designed for this purpose may be added to the polymer components for the purpose of for example changing the colour of the fibres (dyes) or to change the properties of the fibres (for example hydrophilicity, hydrophobicity, inflammability), where according to the invention it is significant for the material that these additive do not affect the crimping of fibres and/or they are dispersed symmetrically in the resulting fibre.
- the fibre (5) formed under the spinneret (8) is exposed to a stream of cooling and attenuating air (6,7), so crimps form on the fibres before they fall (8) on to the collecting mat (10).
- Both cooling and attenuating air (6,7) has approximately the room temperature, preferably 10-30°C, more preferably 15-25°C.
- the collecting mat (10) may, for example, be a moving belt that carries away the forming fibre batt (11). During the way on collecting mat (10) there is no extra heat or mechanical energy entrance to support the crimping.
- spinning beams can be arranged in sequence, where they all may produce crimped fibres or may lay different layers (e.g. simple spunmelt fibres - e.g. spunbond or meltblown, nanofibres, a film, etc.).
- layers e.g. simple spunmelt fibres - e.g. spunbond or meltblown, nanofibres, a film, etc.
- the layer or layers of fibres are subsequently strengthened (12), where several known methods may be used (for example thermal bonding, thermal calender bonding, needle punching, hydroentanglement, etc.).
- the individual bonding methods have a significant effect on the resulting properties of the materials and a person skilled in the field will easily determine which method is suitable for their material.
- this skilled person will also understand that the selection of a bonding method with a higher intensity or bonding point density may result even in negating the differences in the overall bulkiness of the resulting nonwoven textile containing fibres based on the invention and standard materials containing non-crimped fibres.
- Final nonwoven web can be used at various applications as for non limited list of following examples: both dusting and hygiene wipes including wet wipes; parts of furniture; parts of household equipment including for example tablecloth, counterplead, etc; covering material; parts of hygiene absorbent articles for all babies, femcare and adult inco as for example it can create or be part of nonwoven landing zone, ADL (Acquisition Distribution Layer), backsheet, topsheet, side panels, core wrap, leg cuffs etc.
- ADL Application Distribution Layer
- Example 1 design based on the invention
- a batt consist of continuous bicomponent fibres, where one component consists of polypropylene MR 2002 from Total Petrochemicals and the second component consists of polypropylene Mosten NB425 from Unipetrol. Both polypropylene homopolymer materials are readily available on the market, both are inelastic and crystalline.
- the fibres were produced on a Reicofil 3 production line for spunmelt nonwoven textiles and removed from the lied batt prior to the bonding of the material.
- Continuous bicomponent fibre was of the side-by-side type and the individual sections were formed in the weight ratio 40: 60.
- First section consists of polypropylene MR 2002 and second section consist of polypropylene Mosten NB425.
- the average degree of crimping achieved was 13.4 crimps / 20 mm.
- Continuous bicomponent fibre was of the side-by-side type and the individual sections were formed in the weight ratio 30:70.
- First section consists of polypropylene MR 2002 and second section consist of polypropylene Mosten NB425.
- Example 1C The average degree of crimping achieved was 15.8 crimps / 20 mm.
- Example 1C The average degree of crimping achieved was 15.8 crimps / 20 mm.
- Continuous bicomponent fibre was of the side-by-side type and the individual sections were formed in the weight ratio 65: 35.
- First section consists of polypropylene MR 2002 and second section consist of polypropylene Mosten NB425.
- the average degree of crimping achieved was 8.2 crimps / 20 mm.
- Continuous bicomponent fibre was of the side-by-side type and the individual sections were formed in the weight ratio 50: 50.
- First section consists of polypropylene MR 2002 and second section consist of polypropylene Mosten NB425.
- the average degree of crimping achieved was 11.7 crimps / 20 mm.
- Example 2 design based on the invention
- a batt consist of continuous bicomponent fibres, where one component consists of polypropylene MR 2002 from Total Petrochemicals and the second component consists of polypropylene Tatren HT2511 from Slovnaft. Both polypropylene homopolymer materials are readily available on the market, both are inelastic and crystalline.
- the fibres were produced on a Reicofil 3 production line for spunmelt nonwoven textiles and removed from the lied batt prior to the bonding of the material.
- Continuous bicomponent fibre was of the side-by-side type and the individual sections were formed in the weight ratio 30: 70.
- First section consists of polypropylene MR 2002 and second section consist of polypropylene Tatren HT2511.
- Example 2B The average degree of crimping achieved was 15.9 crimps / 20 mm.
- Example 2B The average degree of crimping achieved was 15.9 crimps / 20 mm.
- Continuous bicomponent fibre was of the side-by-side type and the individual sections were formed in the weight ratio 40:60.
- First section consists of polypropylene MR 2002 and second section consist of polypropylene Tatren HT2511.
- the average degree of crimping achieved was 12.8 crimps / 20 mm.
- Continuous bicomponent fibre was of the side-by-side type and the individual sections were formed in the weight ratio 50:50.
- First section consists of polypropylene MR 2002 and second section consist of polypropylene Tatren HT2511.
- the average degree of crimping achieved was 12.0 crimps / 20 mm.
- Continuous bicomponent fibre was of the side-by-side type and the individual sections were formed in the weight ratio 70: 30.
- First section consists of polypropylene MR 2002 and second section consist of polypropylene Tatren HT2511.
- Example 3 design based on the invention - lab line
- a batt consists of continuous bicomponent fibres, fibers produced on a laboratory spinning line with compressed air filament attenuating up to 0,9 MPa, spinning die with 12 holes, hole diameter 0,5 mm, hole length 0,8 mm. Extrusion system with two independent extruders (diameter 16 mm). Line throughput 0,5 gram per minute per hole. Line is available for example at Research Institute for Man-Made Fibres "VUCHV a.s. Svit", Slovak Republik.
- Continuous bicomponent fibre was of the side-by-side type and the individual sections were formed in the weight ratio 40: 60.
- First section consists of polypropylene MR 2002 and second section consist of polypropylene Tatren HT2511. Attenuating air pressure was 0,85 MPa.
- Example 3B
- Continuous bicomponent fibre was of the side-by-side type and the individual sections were formed in the weight ratio 40: 60.
- First section consists of polypropylene MR 2002 and second section consist of polypropylene Mosten NB425. Attenuating air pressure was 0,85 MPa.
- Example 4 design based on the invention - including calendering
- Continuous bicomponent fibre was of the side-by-side type and the individual sections were formed in the weight ratio 40: 60.
- First section consists of polypropylene MR 2002 and second section consist of polypropylene Tatren HT2511. Both polypropylene homopolymer materials are readily available on the market, both are inelastic and crystalline.
- the fibres were produced on a Reicofil 4 SSS production line for spunmelt nonwoven textiles.
- the batt was thermobonded using pair of smooth-gravure rolls with Ungricht design U2888M (standard oval). Smooth roll temperature 170-180°C, gravure roll temperature 160-170°C, nip 120-125 daN/cm.
- the fibers removed from the lied batt prior to the bonding of the material had the average degree of crimping 15.7 crimps / 20 mm.
- “Degree of crimping" of the fibre is measured using the method described in the norm CSN 80 0202 from 1969. Measurement is performed on individual fibres under standard conditions (an individual fibre is loosely placed on a mat for 24 hours at a temperature of 20°C and at a relative humidity of 65%). The fibre is subsequently hung vertically and subject to a strain of 0.0076g (for a fibre with a fineness of 1-5 den). The number of crimps is counted on a length of 20 mm.
- MFI Melt flow index
- “Flexural modulus” of a polymer is measured using the testing methodology described in ISO 178:2010.
- Crystallinity "latent heat of crystallisation”, “temperature of crystallisation” and the “melting temperature” are measured using the testing methodology describe in ASTM D3417 using DSC, where the speed in the temperature is 2°C/min in the measured range of 200 - 80°C and the sample volume is 7-7.4g.
- the batt produced according to the invention are applicable namely for the production of nonwoven textiles, where they can form a production step on an online production line.
- the nonwoven textile produced from the batt made according to the invention is widely applicable in various fields, namely in hygiene products such a baby diapers, feminine absorptive products or incontinence products.
- Crimped fibres create a fluffiness in the textile meaning that the material can be advantageously used both in applications requiring softness and silkiness (for example parts of absorptive products, which are in direct contact with the user's skin) and in applications requiring bulkiness (wipes, loop side in the "hook and loop” system, etc.).
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Multicomponent Fibers (AREA)
- Nonwoven Fabrics (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
Abstract
Description
Claims
Priority Applications (10)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201480004691.0A CN105051280A (en) | 2013-01-14 | 2014-01-14 | Batt comprising crimped bi- or multi-component fibres |
ES14705962.0T ES2628416T3 (en) | 2013-01-14 | 2014-01-14 | Napa comprising bicomponent or multicomponent curly fibers |
EP14705962.0A EP2943607B1 (en) | 2013-01-14 | 2014-01-14 | Batt comprising crimped bi- or multi-component fibres |
BR112015016685A BR112015016685A2 (en) | 2013-01-14 | 2014-01-14 | batting comprising bicomponent or coarse fibers |
DK14705962.0T DK2943607T3 (en) | 2013-01-14 | 2014-01-14 | Fibrous webs comprising rippled bi- or multi-component fibers |
RU2015132469A RU2649264C2 (en) | 2013-01-14 | 2014-01-14 | Batt comprising crimped bi- or multi-component fibres and method for production thereof |
JP2015551983A JP6508654B2 (en) | 2013-01-14 | 2014-01-14 | Bat made of crimped bicomponent or multicomponent fibers |
US14/760,646 US20150354112A1 (en) | 2013-01-14 | 2014-01-14 | Batt comprising crimped bi- or multi-component fibres |
ZA2015/04970A ZA201504970B (en) | 2013-01-14 | 2015-07-10 | Batt comprising crimped bi- or multi-component fibres |
SA515360784A SA515360784B1 (en) | 2013-01-14 | 2015-07-22 | Batt comprising crimped bi- or multi-component fibres |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CZ2013-24A CZ201324A3 (en) | 2013-01-14 | 2013-01-14 | Fiber layer comprising crimped bi- or multicomponent fibers and process for producing thereof |
CZPV2013-24 | 2013-01-14 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2014108106A1 true WO2014108106A1 (en) | 2014-07-17 |
WO2014108106A8 WO2014108106A8 (en) | 2015-07-09 |
Family
ID=50156517
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CZ2014/000005 WO2014108106A1 (en) | 2013-01-14 | 2014-01-14 | Batt comprising crimped bi- or multi-component fibres |
Country Status (15)
Country | Link |
---|---|
US (1) | US20150354112A1 (en) |
EP (1) | EP2943607B1 (en) |
JP (1) | JP6508654B2 (en) |
CN (1) | CN105051280A (en) |
BR (1) | BR112015016685A2 (en) |
CZ (1) | CZ201324A3 (en) |
DK (1) | DK2943607T3 (en) |
ES (1) | ES2628416T3 (en) |
HU (1) | HUE034578T2 (en) |
MY (1) | MY171876A (en) |
PL (1) | PL2943607T3 (en) |
RU (1) | RU2649264C2 (en) |
SA (1) | SA515360784B1 (en) |
WO (1) | WO2014108106A1 (en) |
ZA (1) | ZA201504970B (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10646381B2 (en) | 2014-11-06 | 2020-05-12 | The Procter & Gamble Company | Crimped fiber spunbond nonwoven webs / laminates |
US11135103B2 (en) | 2014-11-06 | 2021-10-05 | The Procter & Gamble Company | Apertured webs and methods for making the same |
US11198402B2 (en) | 2016-01-27 | 2021-12-14 | Autoneum Management Ag | Lofty thermoset felt for noise attenuation |
US11213436B2 (en) | 2017-02-16 | 2022-01-04 | The Procter & Gamble Company | Substrates having repeating patterns of apertures for absorbent articles |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2794010T3 (en) * | 2016-05-18 | 2020-11-17 | Fibertex Personal Care As | Method of making a high curvature nonwoven web |
JP6865063B2 (en) * | 2017-03-02 | 2021-04-28 | 旭化成株式会社 | Bulky composite long fiber non-woven fabric with excellent barrier properties |
EP3521496B1 (en) * | 2018-01-31 | 2020-04-01 | Reifenhäuser GmbH & Co. KG Maschinenfabrik | Nonwoven fabric laminate and method for creating same |
JP7251362B2 (en) * | 2019-07-01 | 2023-04-04 | 王子ホールディングス株式会社 | Nonwoven fabric manufacturing method |
CN115247319A (en) * | 2021-12-22 | 2022-10-28 | 青岛大学 | Parallel two-component melt-blown fiber filtering material and preparation method thereof |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0685579A2 (en) | 1994-06-03 | 1995-12-06 | Kimberly-Clark Corporation | Highly crimpable conjugate fibers and nonwoven webs made therefrom |
EP0989222A1 (en) * | 1998-03-24 | 2000-03-29 | Mitsui Chemicals, Inc. | Flexible nonwoven fabric laminate |
WO2000028123A1 (en) * | 1998-11-12 | 2000-05-18 | Kimberly-Clark Worldwide, Inc. | Crimped multicomponent fibers and methods of making same |
EP2343406A1 (en) * | 2008-10-29 | 2011-07-13 | Mitsui Chemicals, Inc. | Crimped composite fiber, and non-woven fabric comprising the fiber |
WO2011129211A1 (en) * | 2010-04-16 | 2011-10-20 | 三井化学株式会社 | Composite crimp fiber, and non-woven fabric comprising the fiber |
US20110262683A1 (en) * | 2008-12-26 | 2011-10-27 | Toray Industries, Inc. | Polymer alloy fiber and fiber structure |
WO2012130414A1 (en) | 2011-03-25 | 2012-10-04 | Pegas Nonwovens S.R.O. | Nonwoven webs with enhanced loft and process for forming such webs |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6417121B1 (en) * | 1994-11-23 | 2002-07-09 | Bba Nonwovens Simpsonville, Inc. | Multicomponent fibers and fabrics made using the same |
JPH09209216A (en) * | 1996-01-26 | 1997-08-12 | Shimadzu Corp | Self-crimping conjugate fiber |
JPH10266056A (en) * | 1997-03-27 | 1998-10-06 | Oji Paper Co Ltd | Conjugate polyolefin filament nonwoven fabric and its production |
BR0207071B1 (en) * | 2001-01-29 | 2012-02-07 | nonwoven web of a matched and laminated nonwoven web. | |
JP3567892B2 (en) * | 2001-02-08 | 2004-09-22 | チッソ株式会社 | Thermo-adhesive conjugate fiber, non-woven fabric and molded article using the same |
US20030171054A1 (en) * | 2002-03-07 | 2003-09-11 | Vishal Bansal | Multiple component spunbond web and laminates thereof |
DE60233443D1 (en) * | 2002-06-26 | 2009-10-01 | Du Pont | MULTICOMPONENT FIBER SPINNINGS AND LAMINATES THEREOF |
US7101623B2 (en) * | 2004-03-19 | 2006-09-05 | Dow Global Technologies Inc. | Extensible and elastic conjugate fibers and webs having a nontacky feel |
CZ302915B6 (en) * | 2010-04-23 | 2012-01-18 | Pegas Nonwovens S.R.O. | Process for producing non-woven fabric with barrier and antistatic finish |
-
2013
- 2013-01-14 CZ CZ2013-24A patent/CZ201324A3/en unknown
-
2014
- 2014-01-14 RU RU2015132469A patent/RU2649264C2/en active
- 2014-01-14 EP EP14705962.0A patent/EP2943607B1/en active Active
- 2014-01-14 WO PCT/CZ2014/000005 patent/WO2014108106A1/en active Application Filing
- 2014-01-14 MY MYPI2015702284A patent/MY171876A/en unknown
- 2014-01-14 ES ES14705962.0T patent/ES2628416T3/en active Active
- 2014-01-14 PL PL14705962T patent/PL2943607T3/en unknown
- 2014-01-14 BR BR112015016685A patent/BR112015016685A2/en not_active Application Discontinuation
- 2014-01-14 DK DK14705962.0T patent/DK2943607T3/en active
- 2014-01-14 HU HUE14705962A patent/HUE034578T2/en unknown
- 2014-01-14 CN CN201480004691.0A patent/CN105051280A/en active Pending
- 2014-01-14 US US14/760,646 patent/US20150354112A1/en not_active Abandoned
- 2014-01-14 JP JP2015551983A patent/JP6508654B2/en active Active
-
2015
- 2015-07-10 ZA ZA2015/04970A patent/ZA201504970B/en unknown
- 2015-07-22 SA SA515360784A patent/SA515360784B1/en unknown
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0685579A2 (en) | 1994-06-03 | 1995-12-06 | Kimberly-Clark Corporation | Highly crimpable conjugate fibers and nonwoven webs made therefrom |
EP0989222A1 (en) * | 1998-03-24 | 2000-03-29 | Mitsui Chemicals, Inc. | Flexible nonwoven fabric laminate |
WO2000028123A1 (en) * | 1998-11-12 | 2000-05-18 | Kimberly-Clark Worldwide, Inc. | Crimped multicomponent fibers and methods of making same |
EP1129247A1 (en) | 1998-11-12 | 2001-09-05 | Kimberly-Clark Worldwide, Inc. | Crimped multicomponent fibers and methods of making same |
EP2343406A1 (en) * | 2008-10-29 | 2011-07-13 | Mitsui Chemicals, Inc. | Crimped composite fiber, and non-woven fabric comprising the fiber |
US20110262683A1 (en) * | 2008-12-26 | 2011-10-27 | Toray Industries, Inc. | Polymer alloy fiber and fiber structure |
WO2011129211A1 (en) * | 2010-04-16 | 2011-10-20 | 三井化学株式会社 | Composite crimp fiber, and non-woven fabric comprising the fiber |
WO2012130414A1 (en) | 2011-03-25 | 2012-10-04 | Pegas Nonwovens S.R.O. | Nonwoven webs with enhanced loft and process for forming such webs |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10646381B2 (en) | 2014-11-06 | 2020-05-12 | The Procter & Gamble Company | Crimped fiber spunbond nonwoven webs / laminates |
US11135103B2 (en) | 2014-11-06 | 2021-10-05 | The Procter & Gamble Company | Apertured webs and methods for making the same |
US11202725B2 (en) | 2014-11-06 | 2021-12-21 | The Procter & Gamble Company | Crimped fiber spunbond nonwoven webs / laminates |
US11324645B2 (en) | 2014-11-06 | 2022-05-10 | The Procter & Gamble Company | Garment-facing laminates and methods for making the same |
US11491057B2 (en) | 2014-11-06 | 2022-11-08 | The Procter & Gamble Company | Crimped fiber spunbond nonwoven webs / laminates |
US11633311B2 (en) | 2014-11-06 | 2023-04-25 | The Procter & Gamble Company | Patterned apertured webs |
US11766367B2 (en) | 2014-11-06 | 2023-09-26 | The Procter & Gamble Company | Patterned apertured webs |
US11813150B2 (en) | 2014-11-06 | 2023-11-14 | The Procter & Gamble Company | Patterned apertured webs |
US11198402B2 (en) | 2016-01-27 | 2021-12-14 | Autoneum Management Ag | Lofty thermoset felt for noise attenuation |
US11213436B2 (en) | 2017-02-16 | 2022-01-04 | The Procter & Gamble Company | Substrates having repeating patterns of apertures for absorbent articles |
Also Published As
Publication number | Publication date |
---|---|
US20150354112A1 (en) | 2015-12-10 |
ZA201504970B (en) | 2016-07-27 |
MY171876A (en) | 2019-11-05 |
WO2014108106A8 (en) | 2015-07-09 |
CN105051280A (en) | 2015-11-11 |
EP2943607A1 (en) | 2015-11-18 |
JP6508654B2 (en) | 2019-05-08 |
RU2015132469A (en) | 2017-02-21 |
BR112015016685A2 (en) | 2017-07-11 |
PL2943607T3 (en) | 2017-09-29 |
EP2943607B1 (en) | 2017-03-15 |
RU2649264C2 (en) | 2018-03-30 |
DK2943607T3 (en) | 2017-06-26 |
HUE034578T2 (en) | 2018-02-28 |
SA515360784B1 (en) | 2017-11-07 |
ES2628416T3 (en) | 2017-08-02 |
CZ201324A3 (en) | 2014-07-23 |
JP2016507012A (en) | 2016-03-07 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DK2943607T3 (en) | Fibrous webs comprising rippled bi- or multi-component fibers | |
RU2668755C2 (en) | Bulk nonwoven material | |
MX2007001210A (en) | Stretched elastic nonwovens. | |
US20180105965A1 (en) | Nonwoven fabrics and methods of making and using same | |
US20170182735A1 (en) | Microfiber nonwoven composite | |
US10767296B2 (en) | Multi-denier hydraulically treated nonwoven fabrics and method of making the same | |
US10406565B2 (en) | Cleaning cloth | |
JP2004532939A (en) | Stretchable fibers and nonwovens made from large denier splittable fibers | |
US20220331176A1 (en) | A hygiene article | |
CN107278146B (en) | Nonwoven fabric and method for forming a nonwoven fabric | |
EP3134568A1 (en) | Patterned nonwoven and method of making the same using a through-air drying process | |
US20040016091A1 (en) | Two-sided nonwoven fabrics having a three-dimensional image | |
CA3088003C (en) | Lofty nonwoven fabrics | |
Duran | Investigation of the physical characteristics of polypropylene meltblown nonwovens under varying production parameters | |
JP7185769B2 (en) | Composite sheet material, system and method for preparing same | |
US20220388271A1 (en) | Nonwoven Fabrics Suitable for Medical Applications | |
WO2020101616A2 (en) | A novel nonwoven fabric composite and production method thereof | |
JP2024518171A (en) | Strength-enhancing nonwoven fabric | |
TW201947072A (en) | Meltblown core sheath type fiber and meltblown nonwoven fabric using the same |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
WWE | Wipo information: entry into national phase |
Ref document number: 201480004691.0 Country of ref document: CN |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 14705962 Country of ref document: EP Kind code of ref document: A1 |
|
ENP | Entry into the national phase |
Ref document number: 2015551983 Country of ref document: JP Kind code of ref document: A |
|
WWE | Wipo information: entry into national phase |
Ref document number: 14760646 Country of ref document: US |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
REG | Reference to national code |
Ref country code: BR Ref legal event code: B01A Ref document number: 112015016685 Country of ref document: BR |
|
REEP | Request for entry into the european phase |
Ref document number: 2014705962 Country of ref document: EP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2014705962 Country of ref document: EP |
|
WWE | Wipo information: entry into national phase |
Ref document number: IDP00201504893 Country of ref document: ID |
|
ENP | Entry into the national phase |
Ref document number: 2015132469 Country of ref document: RU Kind code of ref document: A |
|
ENP | Entry into the national phase |
Ref document number: 112015016685 Country of ref document: BR Kind code of ref document: A2 Effective date: 20150710 |