EP0915192A3 - Method for the preparation and regulation of thermobonding skin-core type polyolefin fibers and of nonwoven fabrics made therefrom - Google Patents

Method for the preparation and regulation of thermobonding skin-core type polyolefin fibers and of nonwoven fabrics made therefrom Download PDF

Info

Publication number
EP0915192A3
EP0915192A3 EP98660111A EP98660111A EP0915192A3 EP 0915192 A3 EP0915192 A3 EP 0915192A3 EP 98660111 A EP98660111 A EP 98660111A EP 98660111 A EP98660111 A EP 98660111A EP 0915192 A3 EP0915192 A3 EP 0915192A3
Authority
EP
European Patent Office
Prior art keywords
oxidation
filament
regulation
fibers
polymer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP98660111A
Other languages
German (de)
French (fr)
Other versions
EP0915192A2 (en
EP0915192B1 (en
Inventor
Simo Mäkipirtti
Erkki Lampila
Heikki Bergholm
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Suominen Nonwovens Ltd
Original Assignee
Jw Suominen Oy
Suominen J W Oy
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jw Suominen Oy, Suominen J W Oy filed Critical Jw Suominen Oy
Publication of EP0915192A2 publication Critical patent/EP0915192A2/en
Publication of EP0915192A3 publication Critical patent/EP0915192A3/en
Application granted granted Critical
Publication of EP0915192B1 publication Critical patent/EP0915192B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • D04H3/005—Synthetic yarns or filaments
    • D04H3/007—Addition polymers
    • 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
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/54—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving
    • D04H1/541—Composite fibres, e.g. sheath-core, sea-island or side-by-side; Mixed fibres
    • D04H1/5412—Composite fibres, e.g. sheath-core, sea-island or side-by-side; Mixed fibres sheath-core
    • 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
    • D01D10/00—Physical treatment of artificial filaments or the like during manufacture, i.e. during a continuous production process before the filaments have been collected
    • D01D10/02—Heat treatment
    • 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
    • D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
    • D01F6/02—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D01F6/04—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds from polyolefins
    • 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
    • D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
    • D01F6/02—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D01F6/04—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds from polyolefins
    • D01F6/06—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds from polyolefins from polypropylene
    • 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
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/4282—Addition polymers
    • D04H1/4291—Olefin series
    • 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
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/4382—Stretched reticular film fibres; Composite fibres; Mixed fibres; Ultrafine fibres; Fibres for artificial leather
    • D04H1/43825—Composite fibres
    • D04H1/43828—Composite fibres sheath-core
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Nonwoven Fabrics (AREA)
  • Multicomponent Fibers (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
  • Artificial Filaments (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Materials For Medical Uses (AREA)

Abstract

The first object of the new innovation is both to improve and regulate the production conditions for skin-core type polyolefin fibers so that the product fibers have better physical characteristics than before. The second object of the innovation is to manufacture from the said fibers nonwoven-fabrics with strength and softness characteristics that are better than before. The method is especially adapted for large-scale productional melt spinning apparatuses having a short cooling system. One part of the method is aimed at controlled molten-state polymer oxidation and the other part at the control and modification of the molecular weight distribution of the said polymer, by adding thereto, if necessary, prior to the spinning nozzle, a very short chain polymer of the same quality. Characteristic features of the regulation method are in addition a low draw ratio, temperature and nozzle diameter at spinning, measurement of the dynamic deformation of the molten filament as a function of time and distance, in order to ensure the supply of oxygen to the filament in the correct place, quantity and temperature, carrying out the oxidation of the filament using an oxidation nozzle separate from the quenching nozzle as a targeted oxidation and, if necessary, using oxygen enriched air increase of the dispersion value of the molecular weight distribution of the product filament when the molecular weights decrease as the oxidation degree increases, decrease of the thermobonding temperature for the product fibers, regulation of the product fabric strengths and their relationship as a function of the degradation degree of the polymer.
EP98660111A 1997-11-07 1998-10-30 Method for the preparation and regulation of thermobonding skin-core type polyolefin fibers and of nonwoven fabrics made therefrom Expired - Lifetime EP0915192B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI974169A FI106046B (en) 1997-11-07 1997-11-07 Method for manufacturing and adjusting skin-core, thermosetting polyolefin fibers produced using melt spinning oxidation of polymers, and related method for adjusting the strength properties of nonwoven fabrics
FI974169 1997-11-07

Publications (3)

Publication Number Publication Date
EP0915192A2 EP0915192A2 (en) 1999-05-12
EP0915192A3 true EP0915192A3 (en) 1999-10-13
EP0915192B1 EP0915192B1 (en) 2003-07-02

Family

ID=8549897

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98660111A Expired - Lifetime EP0915192B1 (en) 1997-11-07 1998-10-30 Method for the preparation and regulation of thermobonding skin-core type polyolefin fibers and of nonwoven fabrics made therefrom

Country Status (4)

Country Link
EP (1) EP0915192B1 (en)
AT (1) ATE244327T1 (en)
DE (1) DE69815993T2 (en)
FI (1) FI106046B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10240191B4 (en) * 2002-08-28 2004-12-23 Corovin Gmbh Spunbond of endless filaments
DE102011110154A1 (en) * 2011-08-12 2013-02-14 Deutsche Institute Für Textil- Und Faserforschung Denkendorf METHOD FOR THE PRODUCTION OF SURFACE-MODIFIED POLYOLEFIN YARNES, THE POLYOLEFINGARIN THEREFORE AVAILABLE AND THE USE THEREOF
TW202146719A (en) * 2020-02-24 2021-12-16 奧地利商蘭仁股份有限公司 Process for the production of spunbonded nonwoven

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0445536A2 (en) * 1990-02-05 1991-09-11 Hercules Incorporated High strength heat bondable fibre
EP0552013A2 (en) * 1992-01-13 1993-07-21 Hercules Incorporated Thermally bondable fiber for high strength non-woven fabrics
FI943072A (en) * 1993-06-24 1994-12-25 Hercules Inc Wrap fiber with thermal joint strength in a melt spinning system
EP0719879A2 (en) * 1994-12-19 1996-07-03 Hercules Incorporated Process for producing fibers for high strength non-woven materials, and the resulting fibers and non-wovens
EP0799922A1 (en) * 1996-03-18 1997-10-08 J.W. Suominen Oy Method of regulating the thermal bonding process of synthetic fibre webs
WO1997037065A1 (en) * 1996-03-29 1997-10-09 Hercules Incorporated Polypropylene fibers and items made therefrom

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0445536A2 (en) * 1990-02-05 1991-09-11 Hercules Incorporated High strength heat bondable fibre
US5281378A (en) * 1990-02-05 1994-01-25 Hercules Incorporated Process of making high thermal bonding fiber
EP0552013A2 (en) * 1992-01-13 1993-07-21 Hercules Incorporated Thermally bondable fiber for high strength non-woven fabrics
FI943072A (en) * 1993-06-24 1994-12-25 Hercules Inc Wrap fiber with thermal joint strength in a melt spinning system
EP0630996A2 (en) * 1993-06-24 1994-12-28 Hercules Incorporated Skin-core high thermal bond strength fiber on melt spin system
EP0719879A2 (en) * 1994-12-19 1996-07-03 Hercules Incorporated Process for producing fibers for high strength non-woven materials, and the resulting fibers and non-wovens
EP0799922A1 (en) * 1996-03-18 1997-10-08 J.W. Suominen Oy Method of regulating the thermal bonding process of synthetic fibre webs
WO1997037065A1 (en) * 1996-03-29 1997-10-09 Hercules Incorporated Polypropylene fibers and items made therefrom

Also Published As

Publication number Publication date
ATE244327T1 (en) 2003-07-15
EP0915192A2 (en) 1999-05-12
EP0915192B1 (en) 2003-07-02
FI974169A0 (en) 1997-11-07
DE69815993T2 (en) 2004-05-19
DE69815993D1 (en) 2003-08-07
FI974169A (en) 1999-05-08
FI106046B (en) 2000-11-15

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