CN205494178U - Once only absorb compound core material of articles for use - Google Patents
Once only absorb compound core material of articles for use Download PDFInfo
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- CN205494178U CN205494178U CN201620176533.XU CN201620176533U CN205494178U CN 205494178 U CN205494178 U CN 205494178U CN 201620176533 U CN201620176533 U CN 201620176533U CN 205494178 U CN205494178 U CN 205494178U
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Abstract
The utility model relates to an inferior nature absorption articles for use technical field, in particular to once only absorb compound core material of articles for use, compound core material be multilayer combined material, including first overburden, hot -melt adhesive layer, super absorbent polymer resin layer, high fluffy non -woven fabrics layer, super absorbent polymer resin layer, hot -melt adhesive layer, second overburden or first overburden, hot -melt adhesive layer, super absorbent polymer resin layer, second overburden. Characterized in that, the first and second overburdens dustless paper of complex that forms for low dustless paper of grammes per square metre dry process and non -weaving cloth complex of one deck or two -layer while wherein. The low grammes per square metre dry process dustproof paper layer of the compound dustless paper polyacrylic acid of the low degree of polymerization appeared after a period of stewing that can the saturation of effective isolation super absorbent polymer resin absorbs water reduces compound core material top layer and is clamminess, and the dry and comfortable nature in top layer of disposable absorption articles for use, the speed of absorbing water and liquid diffusivity can be improved in the non -weaving cloth layer of compound dustless paper.
Description
Technical field
This utility model relates to disposable absorbent article technical field, particularly to the composite core material of a kind of disposable absorbent article.
Background technology
Infant and other people that can't take care of oneself are often required to wear absorbent device, such as diaper.The function of disposable absorbent article is that it can accommodate Excreta, and makes the health of these Excretas and wearer and clothes and bedding keep apart.Disposable absorbent article, such as diaper, generally by fluidity top layer, opaque liquid bottom and be located at the absorption between permeable top layer and opaque liquid bottom and can accommodate the absorbent cores of liquid and form.
After tradition first generation absorbent cores is uniformly mixed with super absorbent resin by Time of Fluff Slurry, wrapper material glue spraying wrap up all-in-one-piece absorbent core structures.This absorbent cores, owing to super absorbent resin is evenly distributed in fluff pulp fibers, and integument is that levels glue spraying combines, and the free space being available for super absorbent resin expansion is big, super absorbent resin utilization rate in the most this absorbent cores is high, and the water absorbent rate of super absorbent resin is high.But act, for reduce traditional structure absorbent cores, the disconnected cotton problem that sticks together simultaneously, hot optical pressure or heat supply network pressure compacting are typically set, make the flexibility of traditional absorbent core material reduce.
Second filial generation absorbent cores, is directly formed with hydrophilic integument applying glue cladding by composite core material.Wherein, composite core material includes the first cover layer, hot melt adhesive layer, super absorbent resin layer, high loft non-woven layer of cloth, super absorbent resin layer, hot melt adhesive layer, the second cover layer, usual first cover layer and dry method dust-free paper that the second cover layer is high grammes per square metre or hot-wind nonwoven cloth.The absorbent core material of this structure, super absorbent resin is fixed in high loft non-woven layer of cloth or is fixed between high loft non-woven cloth and cover layer, can improve rising after super absorbent resin inhales urine and stick together disconnected cotton problem.But owing to cover layer is high grammes per square metre dry method dust-free paper or hot-wind nonwoven cloth, the dry method dust-free paper of high grammes per square metre, usual unit square grammes per square metre is 45 ~ 60g/m2, the polyacrylate of the low polymerization degree that dry method dust-free paper separates out after can effectively intercepting super absorbent resin saturated absorption, also avoid super absorbent resin to leak outside simultaneously, reduce granular sensation；But due to containing 30 ~ 40g/m2The Time of Fluff Slurry composition of unit square grammes per square metre, moisture-holding capacity is big, makes the dry-ness decline in composite core material top layer.And use hot-wind nonwoven cloth as cover layer, hot-wind nonwoven cloth is as the composite core material of cover layer, top layer good hydrophilic property, good to the diffusion effect of liquid, top layer is dry and comfortable, but owing to the hole of hot-wind nonwoven cloth is big, it is poor to the polyacrylate isolation effect of low polymerization degree to exist, and easily leaks the shortcomings such as macromolecule.
This patent easily acts the disconnected cotton that sticks together for first generation absorbent cores, the composite core material that second filial generation absorbent cores uses, the dry-ness shortcoming that can not get both with barrier, disclose the composite core material of a kind of follow-on disposable absorbent article, this composite core material is multilayer materials, including the first cover layer, hot melt adhesive layer, super absorbent resin layer, high loft non-woven layer of cloth, super absorbent resin layer, hot melt adhesive layer, intermediate cover layer, hot melt adhesive layer, super absorbent resin layer, the second cover layer.It is characterized by, the compound dust-free paper that the first and second described cover layers wherein a layer or two-layer are composited with non-weaving cloth for low grammes per square metre dry method dust-free paper simultaneously.The low dustless ply of paper of grammes per square metre dry method of compound dust-free paper can be effectively isolated the polyacrylic acid of the low polymerization degree separated out after the saturated water suction of super absorbent resin stands a period of time, reduce composite core material top layer tacky, the nonwoven layer of compound dust-free paper, can improve disposable absorbent article
Top layer is dry-ness, absorption speed and liquid diffusibility.
Summary of the invention
The purpose of this utility model is to provide a kind of follow-on disposable absorbent article composite core material for the deficiencies in the prior art, for achieving the above object, this utility model adopts the following technical scheme that the composite core material of disposable absorbent article includes composite absorption core body, and upper at composite absorption core body, the first cover layer that layer is bonded by hot melt adhesive layer and the second cover layer, it is characterized by that one of them layer in described first cover layer and the second cover layer or two-layer use by the low dustless ply of paper of grammes per square metre dry method with nonwoven layer through heat bonding, the compound dust-free paper that glue bond or ultrasonic bonds are combined and constitute.
Described composite absorption core body uses monolayer composite absorption core body, is to form high fluffy fiber net with hot-melt short fiber carding, the monolayer composite absorption core body that fiber and the fiber combining at high fluffy fiber net has a Super Absorbent Polymer Particles and constitute；Or composite absorption core body uses MULTILAYER COMPOSITE absorptive core, it is to be sequentially overlapped MULTILAYER COMPOSITE absorptive core that is compound and that constituted with monolayer composite absorption core body, and is provided with intermediate cover layer between monolayer composite absorption core body.
Further, described composite absorption core body can also be three-layer composite structure, including the first cover layer, hot melt adhesive layer, super absorbent resin layer, the second cover layer, described composite absorption core body at the endosexine of the first cover layer or the second cover layer uniform coating hot-melt adhesive layer, arranges equally distributed super absorbent resin layer and the composite absorption core body that formed on described hot melt adhesive layer.
Further, the first cover layer, intermediate cover layer and the second cover layer all use described intermediate cover layer to use compound dust-free paper that is compound through heat bonding, glue bond or ultrasonic bonds with nonwoven layer by the low dustless ply of paper of grammes per square metre dry method and that constitute.
Further, the first cover layer uses described compound dust-free paper.
Further, intermediate cover layer uses described compound dust-free paper.
Further, the second cover layer uses described compound dust-free paper.
The described low dustless ply of paper of grammes per square metre dry method uses the low grammes per square metre dust-free paper being made up of wood pulp cellulose/hot-melt short fiber through air forming；Nonwoven layer uses the non-weaving cloth being made up of hot melt chemical fibre through one-tenth net, heat seal process.
The described low dustless ply of paper of grammes per square metre dry method uses square grammes per square metre to be 10.0 ~ 35.0g/m2Dry method dust-free paper.The dry strength of the dustless ply of paper of described dry method is 0.5 ~ 5.0N/25cm, and it is formed dustless ply of paper net by wood pulp cellulose and the short fibre of hot melt by the mode of air lay, and the mode that heat bonding is crossed by dustless ply of paper Netcom forms the dustless ply of paper of dry method that intensity is 0.5 ~ 5.0N/25cm.
Described nonwoven layer uses square grammes per square metre to be 8 ~ 20g/m2Hydrophilic spunbond SS non-weaving cloth or hydrophilic spunbond-meitblown-spunbond SMS non-weaving cloth.Wherein, hydrophilic spunbond non-weaving cloth utilizes synthetic fiber spinning principle, continuous filament yarn during polymer spinning, after spray webbing become net after directly bonding, hydrophilic treated and make non-weaving cloth, this manufacture method is the simplest and the most direct and quick, can enter in the market segment of textile, paper and thin film in the disposable various uses with durability.
Described nonwoven layer uses square grammes per square metre to be 15 ~ 30g/m2Hydrophilic Through-Air Thermal Bonded Nonwovens.Hydrophilic Through-Air Thermal Bonded Nonwovens is under the jurisdiction of the one in hot blast adhesion (hot rolling, hot blast) non-weaving cloth, Through-Air Thermal Bonded Nonwovens be at hydrophilic fibre after carding, utilize the hot blast on drying plant to penetrate fibre web, be allowed to be heated and bonded the non-weaving cloth of generation.
The nonwoven layer of described second cover layer uses square grammes per square metre to be 10 ~ 18g/m2Water resistant spunbond-melt blown-spunbond SMS non-weaving cloth.Wherein, spunbond-melt blown-spunbond SMS non-weaving cloth belongs to compound nonwoven cloth, is spunbond and melt-blown joint product, has that strength is high, strainability is good, without binding agent, the advantage such as nontoxic.
Wherein, the described dustless ply of paper of low grammes per square metre and nonwoven layer, it is composited compound dust-free paper through heat bonding, glue bond, ultrasonic bonds.Wherein, described heat bonding can be the bonding of hot rolling point, oven heat bonding；Gluing being combined into after PUR glue spraying bonds；Ultrasonic bonds is the bonding of ultrasound wave hot rolling point.
This utility model has the beneficial effect that compound dust-free paper of the present utility model includes the low dustless ply of paper of grammes per square metre dry method and nonwoven layer, wherein, the low dustless ply of paper of grammes per square metre dry method can be effectively isolated the polyacrylic acid of the low polymerization degree separated out after the saturated water suction of super absorbent resin stands a period of time, reduce composite core material top layer tacky, the nonwoven layer of compound dust-free paper, the top layer that can improve disposable absorbent article is dry-ness, absorption speed and liquid diffusibility.
Accompanying drawing explanation
Fig. 1 is the structural representation of the composite core material of a kind of disposable absorbent article.
Fig. 2 is the another kind of structural representation of the composite core material of a kind of disposable absorbent article.
In figure, 1 is the first cover layer；2 is hot melt adhesive layer；3 is Super Absorbent Polymer Particles；4 is high loft non-woven cloth；7 is the second cover layer；10 is super absorbent resin layer.
Detailed description of the invention
The composite core material of disposable absorbent article described in the utility model includes composite absorption core body, and the first cover layer of being bonded by hot melt adhesive layer on the upper and lower top layer of composite absorption core body and the second cover layer, one of them layer or two-layer in described first cover layer and the second cover layer use compound dust-free paper that is compound through heat bonding, glue bond or ultrasonic bonds with nonwoven layer by the low dustless ply of paper of grammes per square metre dry method and that constitute.
Described composite absorption core body is to form high fluffy fiber net with hot-melt short fiber carding, the monolayer composite absorption core body that fiber and fiber combining at high fluffy fiber net has a Super Absorbent Polymer Particles and constitute, or be sequentially overlapped MULTILAYER COMPOSITE absorptive core that is compound and that constituted with monolayer composite absorption core body, and it is provided with intermediate cover layer between monolayer composite absorption core body.
Further, described composite absorption core body can also be at the endosexine of the first cover layer or the second cover layer uniform coating hot-melt adhesive layer, arranges equally distributed super absorbent resin layer and the composite absorption core body that formed on described hot melt adhesive layer.
The described low dustless ply of paper of grammes per square metre dry method uses the low grammes per square metre dust-free paper being made up of wood pulp cellulose/hot-melt short fiber through air forming；Nonwoven layer uses the non-weaving cloth being made up of hot melt chemical fibre through one-tenth net, heat seal process.
In the first cover layer, intermediate cover layer or the second cover layer, described first cover layer, intermediate cover layer and the second cover layer all use compound dust-free paper that is compound through heat bonding, glue bond or ultrasonic bonds with nonwoven layer by the low dustless ply of paper of grammes per square metre dry method and that constitute；Or first cover layer use described compound dust-free paper；Or intermediate cover layer uses described compound dust-free paper；Or second cover layer use described compound dust-free paper.
The described low dustless ply of paper of grammes per square metre dry method uses the low grammes per square metre dust-free paper being made up of wood pulp cellulose/hot-melt short fiber through air forming；Nonwoven layer uses the non-weaving cloth being made up of hot melt chemical fibre through one-tenth net, heat seal process.
Hot melt adhesive layer described in the utility model is the hot-fusible pressure-sensitive adhesive of the compositions such as the softening agent such as tackifying resin, naphthenic oil such as the high polymers such as a kind of SBS/SIS, rosin resin/Petropols and antioxidant；Super absorbent resin is the heavy polymer that a kind of acroleic acid polymerization obtains, and has high moisture-holding capacity, the balance of absorbtivity under high load capacity, is absorbed water and point can not be extruded by simple physical method, and can repeatedly release the high absorbency material of water, water suction；High loft non-woven layer of cloth is that the hot-melt fibers such as a kind of fiber Denier 3.0 ~ 10.0D, fibre length 25 ~ 100mm, the ES fiber of 1 ~ 10 crimpness, PP fiber, PET, PE/PET are through shredding, mixed cotton, pin cloth combing, the Through-Air Thermal Bonded Nonwovens of oven heat sizing.
Below in conjunction with the accompanying drawings this utility model is further described.
Embodiment 1
As shown in Figure 1, the high fluffy fiber net formed in, winding obvolvent crisscross with fluff pulp fibers with hot-melt short fiber or hot-melt short fiber, high fluffy fiber net is processed through hot air shaping and obtains high loft non-woven cloth 4, upper epidermis and layer at high loft non-woven cloth 4, after spraying Super Absorbent Polymer Particles 3 successively, fiber at high loft non-woven cloth 4 has Super Absorbent Polymer Particles 3 with fiber combining, and then obtains composite absorption core body.
It is respectively coated with hot melt adhesive layer 2, the first cover layer 1 and the second cover layer 7 of then fitting, it is thus achieved that composite absorption core body material of the present utility model on the upper and lower top layer of composite absorption core body.
As shown in Figure 1, the first cover layer 1 and the second cover layer 7 all use square grammes per square metre to be 15 ~ 25g/m2The dustless ply of paper of dry method and square grammes per square metre be 15 ~ 25g/m2The compound dust-free paper that is composited of hydrophilic Through-Air Thermal Bonded Nonwovens.
Embodiment 2
Composite absorption core body material of the present utility model is obtained by embodiment 1.
As shown in Figure 1, the first cover layer 1 uses square grammes per square metre to be 15 ~ 25g/m2The dustless ply of paper of dry method and square grammes per square metre be 15 ~ 25g/m2The compound dust-free paper that is composited of hydrophilic Through-Air Thermal Bonded Nonwovens；Second cover layer 7 uses square grammes per square metre to be 45 ~ 50 g/m2The dustless ply of paper of dry method.
Embodiment 3
Composite absorption core body material of the present utility model is obtained by embodiment 1.
As shown in Figure 1, the first cover layer 1 uses square grammes per square metre to be 15 ~ 25g/m2The dustless ply of paper of dry method and 15 ~ 25g/m2The compound dust-free paper that is composited of hydrophilic Through-Air Thermal Bonded Nonwovens；Second cover layer 7 uses square grammes per square metre to be 20 ~ 30g/m2Hydrophilic hot blast nonwoven layer.
Embodiment 4
Composite absorption core body material of the present utility model is obtained by embodiment 1.
As shown in Figure 1, the first cover layer 1 uses square grammes per square metre to be 15 ~ 25g/m2The dustless ply of paper of dry method and square grammes per square metre 15 ~ 25g/m2The compound dust-free paper that is composited of hydrophilic Through-Air Thermal Bonded Nonwovens；Second cover layer 7 uses square grammes per square metre to be 15 ~ 25g/m2The dustless ply of paper of dry method and 10 ~ 20g/m2The compound dust-free paper of water resistant spunbond-melt blown-spunbond SMMS non-weaving cloth composition.
Embodiment 5
As shown in Figure 2, this composite core material includes the first cover layer 1, hot melt adhesive layer 2, super absorbent resin layer the 10, second cover layer 7.Wherein the first cover layer 1 and the second cover layer 7 all use by square grammes per square metre is 15 ~ 25g/m2The dustless ply of paper of dry method and square grammes per square metre 15 ~ 25g/m2The compound dust-free paper that is composited of hydrophilic Through-Air Thermal Bonded Nonwovens.
Embodiment 6
As shown in Figure 2, this composite core material includes the first cover layer 1, hot melt adhesive layer 2, super absorbent resin layer the 10, second cover layer 7.Wherein the first cover layer 1 uses by square grammes per square metre is 15 ~ 25g/m2The dustless ply of paper of dry method and square grammes per square metre be 15 ~ 25g/m2The compound dust-free paper that is composited of hydrophilic Through-Air Thermal Bonded Nonwovens；Second cover layer 7 uses square grammes per square metre to be 45 ~ 50 g/m2The dustless ply of paper of dry method.
The above is only better embodiment of the present utility model, therefore all equivalence changes done according to structure, feature and the principle described in this utility model patent claim or modification, all it is included in this utility model patent claim.
Claims (10)
1. the composite core material of disposable absorbent article, including composite absorption core body, and the first cover layer of being bonded by hot melt adhesive layer on the upper and lower top layer of composite absorption core body and the second cover layer, it is characterised in that: one of them layer or two-layer in described first cover layer and the second cover layer use compound dust-free paper that is compound through heat bonding, glue bond or ultrasonic bonds with nonwoven layer by the low dustless ply of paper of grammes per square metre dry method and that constitute.
The composite core material of disposable absorbent article the most according to claim 1, it is characterized in that: described composite absorption core body is to form high fluffy fiber net with hot-melt short fiber carding, the monolayer composite absorption core body that fiber and the fiber combining at high fluffy fiber net has a Super Absorbent Polymer Particles and constitute.
The composite core material of disposable absorbent article the most according to claim 1, it is characterized in that: described composite absorption core body is at the endosexine of the first cover layer or the second cover layer uniform coating hot-melt adhesive layer, described hot melt adhesive layer is provided with super absorbent resin layer and the composite absorption core body that formed.
The composite core material of disposable absorbent article the most according to claim 1 and 2, it is characterized in that: described composite absorption core body is to be sequentially overlapped MULTILAYER COMPOSITE absorptive core that is compound and that constituted with monolayer composite absorption core body, is provided with intermediate cover layer between monolayer composite absorption core body.
The composite core material of disposable absorbent article the most according to claim 4, it is characterised in that: described intermediate cover layer uses compound dust-free paper that is compound through heat bonding, glue bond or ultrasonic bonds with nonwoven layer by the low dustless ply of paper of grammes per square metre dry method and that constitute.
The composite core material of disposable absorbent article the most according to claim 1 or 5, it is characterised in that: nonwoven layer uses the non-weaving cloth being made up of hot melt chemical fibre through one-tenth net, heat seal process.
The composite core material of disposable absorbent article the most according to claim 1 or 5, it is characterised in that: the described low dustless ply of paper of grammes per square metre dry method uses square grammes per square metre to be 10.0～35.0g/m2Dry method dust-free paper.
The composite core material of disposable absorbent article the most according to claim 1 or 5, it is characterised in that: described nonwoven layer uses square grammes per square metre to be 8～20g/m2Hydrophilic spunbond SS non-weaving cloth or hydrophilic spunbond-meitblown-spunbond SMS non-weaving cloth.
The composite core material of disposable absorbent article the most according to claim 1 or 5, it is characterised in that: described nonwoven layer uses square grammes per square metre to be 15～30g/m2Hydrophilic Through-Air Thermal Bonded Nonwovens.
The composite core material of disposable absorbent article the most according to claim 1, it is characterised in that: the nonwoven layer of described second cover layer uses square grammes per square metre to be 10～18g/m2Water resistant spunbond-melt blown-spunbond SMS non-weaving cloth.
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| CN201620176533.XU CN205494178U (en) | 2016-03-09 | 2016-03-09 | Once only absorb compound core material of articles for use |
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| CN201620176533.XU CN205494178U (en) | 2016-03-09 | 2016-03-09 | Once only absorb compound core material of articles for use |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107307944A (en) * | 2017-06-23 | 2017-11-03 | 中原工学院 | A kind of slim multi-layer absorptive core and preparation method thereof |
| CN107349052A (en) * | 2017-07-10 | 2017-11-17 | 浙江优全护理用品科技有限公司 | One kind is without the high air-permeable anti-bacterial sanitary napkin of film |
| CN107374831A (en) * | 2017-07-10 | 2017-11-24 | 浙江优全护理用品科技有限公司 | One kind is without the high ventilative pro-skin paper diaper of film |
| CN107574574A (en) * | 2017-09-27 | 2018-01-12 | 江苏盛纺纳米材料科技股份有限公司 | A kind of medical nano fiber high power water-absorbing rate non-woven material and preparation method thereof |
| CN107928880A (en) * | 2016-10-12 | 2018-04-20 | 温州市川洋妇婴用品有限公司 | A kind of disposable support chest breast pad |
| CN108113804A (en) * | 2016-11-26 | 2018-06-05 | 石家庄宝洁卫生用品有限公司 | A kind of sanitary napkin of non-woven fabrics core |
| CN108938215A (en) * | 2018-05-07 | 2018-12-07 | 浙江卫星新材料科技有限公司 | Absorptive core structure for disposable sanitary articles |
| CN114960039A (en) * | 2022-01-26 | 2022-08-30 | 俊富非织造材料有限公司 | Polypropylene non-woven fabric and preparation method and application thereof |
| CN115137563A (en) * | 2022-07-14 | 2022-10-04 | 大连双迪桃花卫生用品有限公司 | Disposable sanitary towel composite core and processing method thereof |
| CN116172793A (en) * | 2022-11-11 | 2023-05-30 | 露乐健康科技股份有限公司 | Extremely dry composite core and preparation method thereof |
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- 2016-03-09 CN CN201620176533.XU patent/CN205494178U/en active Active
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107928880A (en) * | 2016-10-12 | 2018-04-20 | 温州市川洋妇婴用品有限公司 | A kind of disposable support chest breast pad |
| CN108113804A (en) * | 2016-11-26 | 2018-06-05 | 石家庄宝洁卫生用品有限公司 | A kind of sanitary napkin of non-woven fabrics core |
| CN107307944A (en) * | 2017-06-23 | 2017-11-03 | 中原工学院 | A kind of slim multi-layer absorptive core and preparation method thereof |
| CN107349052A (en) * | 2017-07-10 | 2017-11-17 | 浙江优全护理用品科技有限公司 | One kind is without the high air-permeable anti-bacterial sanitary napkin of film |
| CN107374831A (en) * | 2017-07-10 | 2017-11-24 | 浙江优全护理用品科技有限公司 | One kind is without the high ventilative pro-skin paper diaper of film |
| CN107574574A (en) * | 2017-09-27 | 2018-01-12 | 江苏盛纺纳米材料科技股份有限公司 | A kind of medical nano fiber high power water-absorbing rate non-woven material and preparation method thereof |
| CN108938215A (en) * | 2018-05-07 | 2018-12-07 | 浙江卫星新材料科技有限公司 | Absorptive core structure for disposable sanitary articles |
| CN114960039A (en) * | 2022-01-26 | 2022-08-30 | 俊富非织造材料有限公司 | Polypropylene non-woven fabric and preparation method and application thereof |
| CN115137563A (en) * | 2022-07-14 | 2022-10-04 | 大连双迪桃花卫生用品有限公司 | Disposable sanitary towel composite core and processing method thereof |
| CN116172793A (en) * | 2022-11-11 | 2023-05-30 | 露乐健康科技股份有限公司 | Extremely dry composite core and preparation method thereof |
| CN116172793B (en) * | 2022-11-11 | 2024-02-13 | 露乐健康科技股份有限公司 | Extremely dry composite core and preparation method thereof |
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