CN102319148A - Disposal absorption object - Google Patents
Disposal absorption object Download PDFInfo
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- CN102319148A CN102319148A CN201110215806A CN201110215806A CN102319148A CN 102319148 A CN102319148 A CN 102319148A CN 201110215806 A CN201110215806 A CN 201110215806A CN 201110215806 A CN201110215806 A CN 201110215806A CN 102319148 A CN102319148 A CN 102319148A
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- absorbent cores
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Abstract
The invention provides a disposal absorption object (1). The disposal absorption object comprises a liquid permeable top layer (2), a liquid impermeable bottom layer (3) and an absorption core (3) between the liquid permeable top layer (2) and the liquid impermeable bottom layer (4), wherein the absorption core (3) comprises fluff pulp fibers and a super absorption polymer; at least one high-density area (30) which is distributed along the longitudinal direction is arranged inside the absorption core (3); and the fluff pulp fibers in the high-density area (30) are mutually adhered through a hot melt adhesive (32) to form a fiber adhesive tape distributed longitudinally inside the absorption core (3). According to the disposal absorption object, the high-density area (30) is arranged inside the absorption core (3), and the fluff pulp fibers in the high-density area (30) are mutually adhered to form the fiber adhesive tape, so that a condition that local parts of the absorption core (3) are accumulated and agglomerated while cracking or fault happens to other parts is avoided, and the completeness of the absorption core (3) of the disposal absorption object (1) is improved.
Description
Technical field
The present invention relates to a kind of disposable adsorption object, especially relate to a kind of disposable adsorption object that improves absorbent core structures that has.
Background technology
Disposable adsorption objects such as existing baby paper diaper, adult-incontinence person articles for use are well-known.This kind disposable absorbing articles major part all has similar structure: permeable top layer, opaque liquid bottom, and the absorbent cores between permeable top layer and the opaque liquid bottom.This absorbent cores can receive and receiving fluids, like slop.Absorbent cores is become by the mixed core system of hydrophilic fibre net parcel fluff pulp fibers and super absorbent polymer (SAP) usually.Permeable top layer is used for comfortable and dry and comfortable sensation is provided with Body contact the time, allows liquid freely to pass through simultaneously, the absorbent cores below getting into.The opaque liquid bottom is used for the liquid that is absorbed is retained in absorbent cores, thus the clothes of the dirty wearer of liquid that prevents to be absorbed.
Like the body fluid of urine through behind the top layer; Temporarily be kept in the fluff pulp fibers; Expanded by super absorbent polymer (SAP) absorption and super absorbent polymer (SAP) appearance then, the body fluid that is absorbed is preserved, super absorbent polymer (SAP) can increase the absorptive capacity of absorbent cores.Increasing super absorbent polymer (SAP) when improving the water absorbability of absorbing articles, thereby or when reducing absorbent cores and reducing the thickness of absorbing articles, just should reduce the amount of fluff pulp fibers.In the case, the ratio of the fluff pulp fibers of the absorbent cores in the disposable adsorption object and super absorbent polymer (SAP) just reduces relatively, and the commissure between the fluff pulp fibers also reduces.Consequently; Disposable adsorption object is after repeatedly absorbing urine or menses, and the volume of super absorbent polymer (SAP) increases because absorb liquid greatly, and fiber loses mutual cohesive force than weak point; Absorbent cores is agglomerating and tomography situation take place at other positions along with local accumulation can appear in the motion of wearer under the effect of pressure or shearing force; Just lose the primary condition of logical liquid, not only influenced the effect that absorbs liquid, also influenced wearing comfortableness.
At publication number is in the patent of CN2323768Y; A kind of embossing sanitary towel is disclosed; The periphery of suction inner core is except that, heat-sealing embossing bonding with PUR are fixed on the leakproof counterdie; The centre of suction inner core also has embossing to be pressed on the leakproof counterdie in order to the inner core that will absorb water, and this utility model in use can the group of rising, wrinkling like this, and the towel body remains smooth, next to the shin.At publication number is in the patent of CN2511273Y, discloses a kind of resistance to deformation, anti-fracture sanitary towel, in the middle of absorbent material layer or between absorbent material layer and the opaque liquid bottom, one deck wet-strength paper is set.At publication number is in the patent of CN1185937A; A kind of absorbing articles is disclosed; It comprises a kind of liquid-keeping absorber; This absorber comprises a kind of fiber or thin slice that is different from the absorbent paper pulp fibres, this fiber or thin slice when contacting with water between they itself or and other components between produce viscosity, the shape of stable absorption body thus.But above-mentioned measure can damage the quality of absorber, makes absorber become really up to the mark, nor can fine conglomeration, the breakage problem that improves in the absorber use.
Summary of the invention
Main purpose of the present invention is to overcome the shortcoming of prior art, provides a kind of absorbent cores local accumulation of improving agglomerating and the disposable adsorption object of fracture or tomography situation takes place for other positions.
It is agglomerating and the method for preparing of the disposable adsorption object of fracture or tomography situation takes place for other positions that another object of the present invention provides a kind of absorbent cores local accumulation of improving.
According to disposable adsorption object provided by the invention; Comprise the absorbent cores between permeable top layer, opaque liquid bottom and permeable top layer and the opaque liquid bottom; Absorbent cores comprises fluff pulp fibers and super absorbent polymer; Fluff pulp fibers in the big zone in the zone that the density that wherein has at least one to distribute along the longitudinal direction in absorbent cores inside is bigger, said density is through the inner fiber adhesive tape that vertically distributes of the mutual bonding formation absorbent cores of PUR.The density in the big zone of the density of absorbent cores provided by the invention is 0.15-0.25g/cm
3, all the other areal concentrations of absorbent cores are 0.10-0.15g/cm
3, described glue is the PUR of spiral glue or line glue form, the zone that described density is bigger is 2-35mm at horizontal width.Method for preparing according to disposable adsorption object provided by the invention is: a, the fluff pulp fibers of pulverizing and super absorbent polymer are fully mixed post-treatment be shaped to absorptive core; B, the groove that extrusion extends longitudinally at least together on the core body of molding; C, in groove, spray PUR; D, utilize pressure roller that the thickness direction of absorbent cores is exerted pressure; Make the fluff pulp fibers of groove both sides cover said groove; Form the big zone of density at trench region, and the bonding fluff pulp fibers of contact with it of the PUR in the former groove, the fiber adhesive tape formed; E, can coat (can certainly coat absorbent cores) after the absorbent cores with fleece without fleece; Absorbent cores is bonded between top layer and the bottom, and top layer and bottom are fixed together through bonding mode in the outside of absorbent cores and form final disposable adsorption object.
In the specific embodiment of the method for preparing of disposable adsorption object provided by the invention, on the core body of molding, extrude extend longitudinally at least together, transverse width is the groove of 2-35cm; Adopt spiral spray glue or line glue mode that PUR is sprayed in the groove; On the thickness direction of said absorbent cores, during compacting, utilize pressure roller, make the fluff pulp fibers of groove both sides and super absorbent polymer mixture cover original groove mainly through absorbent cores being exerted pressure in the groove both sides.In the both sides of absorbent cores groove on thickness direction during to the absorbent cores compacting; Described pressure roller is level and smooth pressure roller or is the protruding roller that bossing is arranged in the both sides with respect to groove; Bossing through level and smooth pressure roller or protruding roller pushes the groove both sides, makes the fluff pulp fibers of groove both sides and super absorbent polymer cover original groove.
According to disposable adsorption object provided by the invention; Through big regional in absorbent cores set inside density; The mutual bonding formation fiber adhesive tape of fluff pulp fibers in the big zone of density; Avoid the absorbent cores local accumulation agglomerating and fracture or tomography situation take place for other positions, improved the integrity of the absorbent cores of disposable adsorption object.
Description of drawings
Fig. 1 is the transverse sectional view of disposable adsorption object provided by the invention;
Fig. 2 is the sketch map that extrudes after the absorbent cores molding of disposable adsorption object behind the groove;
Fig. 3 is the sketch map after applying glue on the groove that absorbent cores extrudes;
Fig. 4 is the sketch map to the compacting of absorptive core thickness direction in absorbent cores groove both sides;
Fig. 5 is the sketch map of the core body of absorbent cores of the present invention.
In the drawings, 1 is disposable adsorption object, and 2 is permeable top layer, and 3 is absorbent cores, and 4 is the opaque liquid bottom, and 30 is the big zone of absorbent cores density, and 31 is groove, and 32 is glue, and 5 is pressure roller, and 51 is the bossing on the pressure roller.
The specific embodiment
Embodiment 1
Disposable adsorption object provided by the invention; Comprise the absorbent cores 3 between permeable top layer 2, opaque liquid bottom 4 and permeable top layer 2 and the opaque liquid bottom 4; Absorbent cores 3 comprises fluff pulp fibers and super absorbent polymer; 2 bigger zones of density that distribute are along the longitudinal direction arranged in absorbent cores inside, and the fluff pulp fibers in the big zone of said density is through the inner fiber adhesive tape that vertically distributes of the mutual bonding formation absorbent cores of PUR.The density in the big zone of the density of absorbent cores is about 0.15g/cm
3, the width in the big zone of this density is about 2mm at the transverse width of absorbing articles, and all the other areal concentrations of absorbent cores are about 0.10g/cm
3
Shown in Fig. 2-5, the method for preparing of disposable adsorption object provided by the invention is pulverized fluff pulp fibers in the mould wheel of disposable adsorption object board; And fluff pulp fibers is fully mixed post-treatment with super absorbent polymer and is shaped to absorptive core; Extrude 2 grooves that extend longitudinally (as shown in Figure 2) at the absorptive core of molding, groove width is about 2mm, at the core body of trench region than other the regional densers outside the groove; In the absorptive core groove, spray PUR; With light sliding pressure roller the thickness direction of absorbent cores is exerted pressure then, make the fluff pulp fibers of groove both sides and super absorbent polymer cover said groove, in groove, form the big zone of density; And the PUR in the groove bonding fluff pulp fibers, the super absorbent polymer of contact with it form the fiber adhesive tape; After fleece coating absorbent cores, be bonded between top layer and the bottom, top layer and bottom are fixed together through bonding mode in the outside of absorbent cores and form final disposable adsorption object.Because the absorptive core after the machine-shaping is fluffy state, extrude the groove of longitudinal extension on the core body and in groove behind the spray glue with pressure roller to the absorbent cores applanation process, the pressure of its pressure roller can be from the self gravitation of pressure roller or very little pressure.
In the mould wheel of disposable adsorption object board, pulverize fluff pulp fibers; And fluff pulp fibers is fully mixed post-treatment with super absorbent polymer and is shaped to absorptive core; Absorptive core in molding extrudes 4 grooves that extend longitudinally, and groove width is about 10mm, in groove; The core body of channel bottom is than other regional densers; In the absorptive core groove, spray PUR, adopt the protruding roller have with respect to the bossing of groove both sides that absorbent cores is exerted pressure then, make the fluff pulp fibers of groove both sides cover said groove.In order to make the fluff pulp fibers and the super absorbent polymer of groove both sides cover groove; The protruding roller that present embodiment adopts is non-smooth pressure roller; Said protruding roller has bossing with respect to the both sides of groove, and when with protruding roller during to the absorbent cores compacting, the bossing of protruding roller just in time is positioned at the both sides of groove; At first, make the fluff pulp fibers of groove both sides and super absorbent polymer cover said groove to the extruding of groove both sides.
The disposable adsorption object that provides according to present embodiment; Its absorbent cores 3 comprises fluff pulp fibers and super absorbent polymer; 2 bigger zones of density that distribute are along the longitudinal direction arranged in absorbent cores inside, and the fluff pulp fibers in the big zone of said density is through the inner fiber adhesive tape that vertically distributes of the mutual bonding formation absorbent cores of PUR.The density in the big zone of the density of absorbent cores is about 0.18g/cm3, and the width in the big zone of this density is about 10mm at the transverse width of absorbing articles, and all the other areal concentrations of absorbent cores are about 0.12g/cm3.
In the mould of disposable adsorption object board wheel, pulverize fluff pulp fibers, and fluff pulp fibers fully mixes post-treatment with super absorbent polymer and is shaped to absorptive core, at 2 grooves that extend longitudinally of absorptive core extrusion of molding; Groove width is about 35mm; In the absorptive core groove, spray PUR, adopt protruding roller that absorbent cores is exerted pressure, make the fluff pulp fibers of groove both sides cover said groove; Form the core body of opposed flattened, adopt protruding roller that absorbent cores is carried out compacting then.The bossing of the protruding roller that present embodiment adopts just in time is positioned at the both sides of groove, when protruding roller during to the absorbent cores compacting, at first to the extruding of groove both sides, makes the Time of Fluff Slurry and the said groove of fiber-covered of groove both sides.
The disposable adsorption object that provides according to present embodiment; The density in the big zone of the density of its absorbent cores is about 0.20g/cm3; The width in the big zone of this density is about 35mm at the transverse width of absorbing articles, and all the other areal concentrations of absorbent cores are about 0.13g/cm3.
According to disposable adsorption object provided by the invention; Through big regional in absorbent cores set inside density; The mutual bonding formation fiber adhesive tape of fluff pulp fibers in the big zone of density; Avoid the absorbent cores local accumulation agglomerating and fracture or tomography situation take place for other positions, improved the integrity of the absorbent cores of disposable adsorption object.Above-mentionedly be merely several specific embodiment of the present invention, but design concept of the present invention is not limited thereto, allly utilizes this design that the present invention is carried out the change of unsubstantiality, all should belong to the behavior of invading protection domain of the present invention.
Claims (9)
1. disposable adsorption object; Comprise the absorbent cores between permeable top layer, opaque liquid bottom and permeable top layer and the opaque liquid bottom; Absorbent cores comprises fluff pulp fibers and super absorbent polymer; It is characterized in that the bigger zone of density that absorbent cores inside has at least one to distribute along the longitudinal direction, the fluff pulp fibers in the big zone of said density is through the inner fiber adhesive tape that vertically distributes of the mutual bonding formation absorbent cores of PUR.
2. disposable adsorption object as claimed in claim 1 is characterized in that the density 0.15-0.25g/cm of the density of said absorbent cores than big zone
3, all the other areal concentrations of absorbent cores are 0.10-0.15g/cm
3
3. disposable adsorption object as claimed in claim 1 is characterized in that the bigger zone of described density width in the horizontal is 2-35mm.
4. like the method for preparing of each described disposable adsorption object of claim 1-3, it is characterized in that:
(a) fluff pulp fibers of pulverizing and super absorbent polymer are fully mixed post-treatment and be shaped to absorptive core;
(b) on the absorptive core of molding, extrude the groove that extends longitudinally at least together;
(c) in groove, spray PUR;
(d) utilize pressure roller on thickness direction, absorbent cores to be exerted pressure; Make the fluff pulp fibers of groove both sides cover said groove; Form the big zone of density at trench region; And the PUR in the former groove bonding fluff pulp fibers, the super absorbent polymer of contact with it form the fiber adhesive tape;
(e) absorbent cores is bonded between top layer and the bottom, top layer and bottom are fixed together through bonding mode in the outside of absorbent cores and form final disposable adsorption object.
5. the method for preparing of the disposable adsorption object shown in claim 4, it is characterized in that: the width of said groove is 2-35mm.
6. the method for preparing of the disposable adsorption object shown in claim 4 is characterized in that adopting spiral spray glue or line glue mode that PUR is sprayed in the groove.
7. the method for preparing of disposable adsorption object as claimed in claim 4; When it is characterized in that on thickness direction to said absorbent cores compacting; Through absorbent cores being exerted pressure, make fluff pulp fibers and the super absorbent polymer of absorbent cores of groove both sides cover original groove in the groove both sides.
8. the method for preparing of disposable adsorption object as claimed in claim 7, it is characterized in that on the thickness direction in absorbent cores groove both sides during to the absorbent cores compacting used pressure roller be level and smooth pressure roller.
9. the method for preparing of disposable adsorption object as claimed in claim 7; It is characterized in that on the thickness direction in the both sides of said absorbent cores groove during to the absorbent cores compacting used said pressure roller be to have the protruding roller that bossing is arranged with respect to the groove both sides; Bossing through protruding roller pushes the groove both sides, makes the fluff pulp fibers of groove both sides cover described groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110215806.9A CN102319148B (en) | 2011-07-28 | 2011-07-28 | A kind of disposable adsorption object |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110215806.9A CN102319148B (en) | 2011-07-28 | 2011-07-28 | A kind of disposable adsorption object |
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| Publication Number | Publication Date |
|---|---|
| CN102319148A true CN102319148A (en) | 2012-01-18 |
| CN102319148B CN102319148B (en) | 2016-01-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110215806.9A Active CN102319148B (en) | 2011-07-28 | 2011-07-28 | A kind of disposable adsorption object |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103110386A (en) * | 2013-02-05 | 2013-05-22 | 金红叶纸业集团有限公司 | Thin water absorbing material and manufacturing method thereof |
| CN107981987A (en) * | 2016-10-26 | 2018-05-04 | 山东太阳生活用纸有限公司 | Absorbent article core and its manufacture method and absorbent article |
| CN114948445A (en) * | 2021-02-26 | 2022-08-30 | 王子控股株式会社 | Absorbent article |
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| CN1085771A (en) * | 1992-07-27 | 1994-04-27 | 普罗格特-甘布尔公司 | Sanitary towel with central collecting region |
| US5451442A (en) * | 1991-12-17 | 1995-09-19 | Paragon Trade Brands, Inc. | Absorbent panel structure for a disposable garment |
| CN1119136C (en) * | 1998-10-30 | 2003-08-27 | 尤妮佳股份有限公司 | Disposable article for absorbing body fluid |
| CN201861843U (en) * | 2010-11-26 | 2011-06-15 | 雀氏（福建）实业发展有限公司 | Disposable sanitary article |
| CN102202630A (en) * | 2008-07-30 | 2011-09-28 | 金伯利-克拉克环球有限公司 | Body adhering absorbent article |
| CN202446361U (en) * | 2011-07-29 | 2012-09-26 | 福建恒安集团有限公司 | Disposable absorbing article |
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2011
- 2011-07-28 CN CN201110215806.9A patent/CN102319148B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5451442A (en) * | 1991-12-17 | 1995-09-19 | Paragon Trade Brands, Inc. | Absorbent panel structure for a disposable garment |
| CN1085771A (en) * | 1992-07-27 | 1994-04-27 | 普罗格特-甘布尔公司 | Sanitary towel with central collecting region |
| CN1119136C (en) * | 1998-10-30 | 2003-08-27 | 尤妮佳股份有限公司 | Disposable article for absorbing body fluid |
| CN102202630A (en) * | 2008-07-30 | 2011-09-28 | 金伯利-克拉克环球有限公司 | Body adhering absorbent article |
| CN201861843U (en) * | 2010-11-26 | 2011-06-15 | 雀氏（福建）实业发展有限公司 | Disposable sanitary article |
| CN202446361U (en) * | 2011-07-29 | 2012-09-26 | 福建恒安集团有限公司 | Disposable absorbing article |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103110386A (en) * | 2013-02-05 | 2013-05-22 | 金红叶纸业集团有限公司 | Thin water absorbing material and manufacturing method thereof |
| CN103110386B (en) * | 2013-02-05 | 2015-12-23 | 金红叶纸业集团有限公司 | Slim absorbent material and preparation method thereof |
| CN107981987A (en) * | 2016-10-26 | 2018-05-04 | 山东太阳生活用纸有限公司 | Absorbent article core and its manufacture method and absorbent article |
| CN114948445A (en) * | 2021-02-26 | 2022-08-30 | 王子控股株式会社 | Absorbent article |
| CN114948445B (en) * | 2021-02-26 | 2024-03-12 | 王子控股株式会社 | Absorbent article |
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| CN102319148B (en) | 2016-01-13 |
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Effective date of registration: 20170324 Address after: 362261 Fujian city of Quanzhou province Jinjiang City pit (pit brand industrial city Jingyang Road, No. 1) Patentee after: FUJIAN HENGAN HOUSEHOLD LIFE ARTICLE CO., LTD. Address before: 362261 Fujian city of Quanzhou province Jinjiang Anhai Heng Industrial City Patentee before: Group Co., Ltd. Tai An in Fujian Patentee before: Fujian Hengan Hygiene Material Co., Ltd. Patentee before: Fujian HengAn Saitary Material Co., Ltd. |
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