CN215163563U - Hot-blast non-woven fabrics of dry comfortable type sanitary material surface course of faintly acid polylactic acid fibre - Google Patents
Hot-blast non-woven fabrics of dry comfortable type sanitary material surface course of faintly acid polylactic acid fibre Download PDFInfo
- Publication number
- CN215163563U CN215163563U CN202120838446.7U CN202120838446U CN215163563U CN 215163563 U CN215163563 U CN 215163563U CN 202120838446 U CN202120838446 U CN 202120838446U CN 215163563 U CN215163563 U CN 215163563U
- Authority
- CN
- China
- Prior art keywords
- layer
- fiber
- pla
- surface layer
- polylactic acid
- 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.)
- Active
Links
Images
Landscapes
- Absorbent Articles And Supports Therefor (AREA)
Abstract
The utility model provides a faintly acid is hot-blast non-woven fabrics of polylactic acid fibre for dry and comfortable type defending material surface course belongs to non-woven fabrics technical field, and it has solved disposable health supplies seepage, has come back to oozing, the non-degradable problem of product. The utility model discloses a: a surface layer and a base fabric layer which are compounded with each other. The surface layer comprises a hydrophilic strip and water repellent strips fixedly arranged along two sides of the hydrophilic strip; the base cloth layer comprises a PLA fiber layer and a three-dimensional curled elastic fiber layer which are sequentially arranged. Compared with the prior art, the utility model discloses fibrous hydrophilic portion mixes the design with water portion of refusing on the base cloth layer, and firstly can the rapid absorption top layer transmit the liquid of coming, secondly can prevent to absorb unnecessary liquid after the saturation and produce and return the infiltration, and then has increased the dry and comfortable nature of surface course. The design of the surface layer water repellent strip is used for preventing liquid from flowing outwards, and further has a good side leakage prevention function. The utility model has the characteristics of simple structure, reasonable in design, product degradable.
Description
Technical Field
The utility model relates to a non-woven fabrics technical field, concretely relates to dry and comfortable type of faintly acid defends hot-blast non-woven fabrics of polylactic acid fibre for material surface course.
Background
Polylactic acid (PLA) is a novel biodegradable material made using renewable plant resources such as starch feedstock proposed by corn. The starch raw material is saccharified to obtain glucose, the glucose and certain strains are fermented to prepare high-purity lactic acid, and the polylactic acid with certain molecular weight is synthesized by a chemical synthesis method. The biodegradable plastic has good biodegradability, can be completely degraded by microorganisms in the nature after being used, finally generates carbon dioxide and water, does not pollute the environment, is very favorable for protecting the environment, and is a well-known environment-friendly material. The polylactic acid has good mechanical property and physical property, is suitable for various processing methods such as blow molding, thermoplastic molding and the like, is convenient to process and has wide application.
In particular in the field of disposable sanitary articles, having a liquid-permeable top sheet, a liquid-impermeable bottom sheet and an absorbent layer located between the liquid-permeable top sheet and the liquid-impermeable bottom sheet which absorbs and contains liquid. Disposable sanitary articles are capable of absorbing the excretions of the user, such as urine, etc., thereby providing comfortable care to the user, and thus have a high demand for dry performance. When the traditional product is used, liquid enters the absorption layer from the liquid-permeable top layer to be absorbed, so that the material of the liquid-permeable top layer needs to be a hydrophilic material, but partial liquid is remained on the outer surface of the hydrophilic material when the product is used, and the dryness performance of the product is influenced. More importantly, the polylactic acid fiber is a weak acid fiber, the pH value is 6-6.8, and is consistent with the pH value of human skin, so the polylactic acid fiber has very good skin-friendly property. And the polylactic acid fiber product has natural antibacterial activity, and can effectively protect human health when contacting human skin.
In view of the above, there is a need to produce a polylactic acid fiber hot air non-woven fabric for a weakly acidic dry sanitary material surface layer, which has the advantages of rapid liquid absorption, prevention of rewet and complete degradation, and the problem to be solved in the field is solved.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a hot-blast non-woven fabrics of dry and comfortable type health material surface course of faintly acid is with polylactic acid fibre to solve the background disposable health supplies seepage, rewet, the non-degradable problem of product.
In order to solve the technical problem, the purpose of the utility model is to realize like this:
a polylactic acid fiber hot air non-woven fabric for a weakly acidic dry sanitary material surface layer comprises a surface layer and a base fabric layer which are compounded.
The surface layer is made of PLA fiber, and the base cloth layer comprises a three-dimensional curled elastic fiber layer and a PLA fiber layer which are sequentially arranged;
the PLA fibers of the surface layer and the PLA fiber layer are both bicomponent PLA fibers; the bicomponent PLA fiber is of a sheath-core structure, the core layer is a high-melting-point polylactic acid component, and the sheath layer is a low-melting-point polylactic acid component;
the three-dimensional crimped elastic fiber on the three-dimensional crimped elastic fiber layer is provided with a three-dimensional crimped elastic fiber hydrophilic part and a three-dimensional crimped elastic fiber water repellent part along the circumferential direction; the PLA fiber on the PLA fiber layer is provided with a PLA fiber water-repellent part and a PLA fiber hydrophilic part along the circumferential direction;
the three-dimensional crimped elastic fiber hydrophilic part is arranged on one side close to the surface layer, and the PLA fiber water repellent part is arranged on one side close to the three-dimensional crimped elastic fiber water repellent part;
the surface layer comprises a hydrophilic strip and water repellent strips fixedly arranged along two sides of the hydrophilic strip.
In addition to and as a preferred embodiment of the above embodiment, the gram weight of the surface layer is 8 to 12g/m2The PLA fiber length of the surface layer is 38-51mm, and the fineness is 2-4D.
On the basis of the scheme, and as a preferable scheme of the scheme, the PLA fiber length of the base cloth layer is 38-51mm, the fineness is 2-4D, the length of the three-dimensional crimped elastic fiber is 51-65mm, and the fineness is 6-8D.
In addition to and as a preferred embodiment of the above embodiment, the basis weight of the base fabric layer is 15 to 25g/m2。
On the basis of the above scheme and as a preferable scheme of the scheme, the three-dimensional crimp elastic fiber is a PLA, PTT and PBT three-component fiber, and the three-component composite fiber has a crimp radius which is significantly smaller than that of the bicomponent composite fiber, so that the fiber crimp amount in a certain length range is significantly higher than that of the bicomponent composite fiber, and the elasticity and softness cannot be compared with those of the bicomponent composite fiber.
On the basis of the above scheme and as a preferable scheme of the scheme, the side of the base fabric layer, which is far away from the surface layer, is sequentially provided with the absorption layer, the water-repellent non-woven fabric layer and the breathable base film.
The utility model has the advantages that: compared with the prior art, the utility model discloses fibrous hydrophilic portion and water portion of refusing design on the base cloth layer, firstly can the rapid absorption top layer transmit the liquid of coming, secondly can prevent to absorb unnecessary liquid after the saturation and produce and return the infiltration, and then increased the dry and comfortable nature of surface course. The design of the surface layer water repellent strip is used for preventing liquid from flowing outwards, and further has a good side leakage prevention function. The utility model has the characteristics of simple structure, reasonable in design, product degradable.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a skin structure;
FIG. 3 is a schematic view of a fiber section structure of a three-dimensional crimped spandex layer;
FIG. 4 is a schematic view of the fiber section structure of the PLA fiber layer;
FIG. 5 is a diagram illustrating a second embodiment.
In the figure, 1-surface layer; 11-hydrophilic strips; 12-water repellent strips; 2-a base fabric layer; 21-a three-dimensional crimped spandex layer; 22-a PLA fibre layer; 211-three-dimensional crimp spandex hydrophilic portion; 212-a three-dimensional crimped spandex water-repellent portion; 221-PLA fiber water-repellent section; 222-PLA fiber hydrophilic portion; 3-an absorbing layer; 4-water-repellent non-woven fabric; 5-breathable basement membrane.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example one
As shown in fig. 1-4, a polylactic acid fiber hot air non-woven fabric for a weak acid dry type sanitary material surface layer comprises a surface layer 1 and a base fabric layer 2 which are compounded; the surface layer 1 is made of PLA fiber, and the base cloth layer 2 comprises a three-dimensional curled elastic fiber layer 21 and a PLA fiber layer 22 which are sequentially arranged; the PLA fibers of the surface layer 1 and the PLA fiber layer 22 are both bicomponent PLA fibers; the bicomponent PLA fiber is of a sheath-core structure, the core layer is a high-melting-point polylactic acid component, and the sheath layer is a low-melting-point polylactic acid component; the three-dimensional crimped elastic fiber on the three-dimensional crimped elastic fiber layer 21 is provided with a three-dimensional crimped elastic fiber hydrophilic part 211 and a three-dimensional crimped elastic fiber water-repellent part 212 along the circumferential direction; the PLA fiber on the PLA fiber layer 22 is provided with a PLA fiber water-repellent part 221 and a PLA fiber hydrophilic part 222 along the circumferential direction; the three-dimensional crimped spandex hydrophilic part 211 is arranged at one side close to the surface layer 1, and the PLA fiber water-repellent part 221 is arranged at one side close to the three-dimensional crimped spandex water-repellent part 212; the surface layer 1 comprises a hydrophilic strip 11 and water repellent strips 12 fixedly arranged along two sides of the hydrophilic strip 11.
Specifically, the gram weight of the hot-air non-woven fabric of the utility model is 23-37g/m2The thickness is 0.15-0.3 mm. Preferably, the surface layer 1 is 100% polylactic acid fiber, the pH value of the surface layer is 6-6.8, and the surface layer is directly contacted with a human body, so that a weak acid environment is formed between the surface layer and the human body, and the health of the human body is protected. Further, the core layer of the two-component PLA fiber is a high-melting-point polylactic acid component with a melting point of 160-170 ℃, and the skin layer is a low-melting-point polylactic acid component with a melting point of 110-120 ℃.
Still further, the PLA fibers and the three-dimensional crimped elastic fibers of the base fabric layer 2 are designed to be hydrophilic and water repellent, and the three-dimensional crimped elastic fibers on the three-dimensional crimped elastic fiber layer 21 are provided with a three-dimensional crimped elastic fiber hydrophilic portion 211 along the circumferential direction (2/3 which occupies the entire circumference), that is, the three-dimensional crimped elastic fiber hydrophilic portion 211 is bonded and fixed with the polylactic acid of the surface layer 1. The lower half away from the surface layer 1 is a three-dimensional crimped spandex water repellent portion 212. The three-dimensional crimped elastic fiber layer 21 and the PLA fiber layer 22 are mutually entangled and fixed, and the hydrophilic part of the PLA fibers on the PLA fiber layer 22 can absorb part of liquid.
Further, the gram weight of the surface layer 1 is 8-12g/m2The PLA fiber length of the surface layer 1 is 38-51mm, and the fineness is 2-4D. Further, the length of the PLA fiber on the base cloth layer 2 is 38-51mm, the fineness of the PLA fiber is 2-4D, and the length of the three-dimensional crimped elastic fiber is 51-65mm, and the fineness of the three-dimensional crimped elastic fiber is 6-8D. Preferably, the gram weight of the base fabric layer 2 is 15-25g/m2。
Still further, the three-dimensional crimp elastic fiber is PLA, PTT and PBT three-component fiber, the crimp number is 18-22/inch, and the three-dimensional crimp elastic fiber is developed and manufactured by Suzhou Jinquan New Material Co. Compared with the bicomponent composite fiber, the tricomponent composite fiber has obviously smaller crimp radius than the bicomponent composite fiber, so the fiber crimp quantity in a certain length range is obviously higher than that of the bicomponent composite fiber, and the elasticity and the softness can not be compared with the bicomponent composite fiber.
The utility model discloses specific working process does:
in the using process, the hydrophilic strips 11 of the surface layer 1 are just right at the excretion positions of human body fluid, and can quickly absorb and transfer the excretion of the human body into the base fabric layer 2. The hydrophilic portion of the base layer 2 can rapidly absorb and absorb the liquid transferred from the surface layer 1. Meanwhile, the water repellent part designed on the base fabric layer 2 can prevent the excess liquid of the middle absorption layer after saturated absorption from generating back permeation, so that the dryness of the surface layer is improved. The water repellent strips 12 of the surface layer 1 are positioned on two sides of the hydrophilic strip 11 and used for preventing the excretory fluid of the human body from flowing outwards, so that the side leakage prevention function is good. When the prepared surface layer is used as the surface layer of the sanitary towel, the width of the hydrophilic strip 11 is 6-8cm, and the width of the water repellent strip 12 is 1-2 cm; when the prepared surface layer is used as the surface layer of the paper diaper, the width of the hydrophilic strip 11 is 12-14cm, and the width of the water repellent strip 12 is 2-4 cm.
Example two
As shown in fig. 5, in the first embodiment, an absorbent layer 3, a water-repellent nonwoven fabric layer 4, and an air-permeable back film 5 are provided in this order on the side of the base fabric layer 2 away from the top sheet 1. Further, absorbed layer 3 is five layers of core structures, can absorb the lock water fast, effectively ensures simultaneously the utility model discloses the fault does not, does not play and sticks together. Furthermore, the water-repellent non-woven fabric layer 4 can effectively prevent liquid from seeping back. Furthermore, the breathable basement membrane 5 is a breathable PE membrane, and has certain filling power, high elasticity, soft hand feeling and good breathability. More importantly, the PE film has more than 1000 ten thousand ventilation micropores, so that fresh air can enter and moisture can be discharged.
The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.
Claims (5)
1. The utility model provides a weak acid is dry and comfortable type sanitary material surface course with hot-blast non-woven fabrics of polylactic acid fibre, includes looks complex top layer (1) and base cloth layer (2), its characterized in that:
the surface layer (1) is made of PLA fibers, and the base cloth layer (2) comprises a three-dimensional curled elastic fiber layer (21) and a PLA fiber layer (22) which are sequentially arranged;
the PLA fibers of the surface layer (1) and the PLA fiber layer (22) are both bicomponent PLA fibers; the bicomponent PLA fiber is of a sheath-core structure, the core layer is a high-melting-point polylactic acid component, and the sheath layer is a low-melting-point polylactic acid component;
the three-dimensional crimped elastic fiber on the three-dimensional crimped elastic fiber layer (21) is provided with a three-dimensional crimped elastic fiber hydrophilic part (211) and a three-dimensional crimped elastic fiber water-repellent part (212) along the circumferential direction; the PLA fiber on the PLA fiber layer (22) is provided with a PLA fiber water-repellent part (221) and a PLA fiber hydrophilic part (222) along the circumferential direction;
the three-dimensional crimped elastic fiber hydrophilic part (211) is arranged on one side close to the surface layer (1), and the PLA fiber water-repellent part (221) is arranged on one side close to the three-dimensional crimped elastic fiber water-repellent part (212);
the surface layer (1) comprises a hydrophilic strip (11) and water repellent strips (12) fixedly arranged along two sides of the hydrophilic strip (11).
2. The polylactic acid fiber hot-air non-woven fabric for the weakly acidic dry sanitary material surface layer as claimed in claim 1, wherein the gram weight of the surface layer (1) is 8-12g/m2The PLA fiber length of the surface layer (1) is 38-51mm, and the fineness is 2-4D.
3. The polylactic acid fiber hot air non-woven fabric for the weakly acidic dry sanitary material surface layer as claimed in claim 1, wherein the PLA fiber length of the base fabric layer (2) is 38-51mm, the fineness is 2-4D, the length of the three-dimensional crimped spandex fiber is 51-65mm, and the fineness is 6-8D.
4. The polylactic acid fiber hot air non-woven fabric for the weakly acidic dry sanitary material surface layer as claimed in claim 3, wherein the basis fabric layer (2) has a grammage of 15-25g/m2。
5. The polylactic acid fiber hot air non-woven fabric for the weakly acidic dry sanitary material surface layer is characterized in that an absorption layer (3), a water-repellent non-woven fabric layer (4) and an air-permeable base film (5) are sequentially arranged on one side, away from the surface layer (1), of the base fabric layer (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120838446.7U CN215163563U (en) | 2021-04-22 | 2021-04-22 | Hot-blast non-woven fabrics of dry comfortable type sanitary material surface course of faintly acid polylactic acid fibre |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120838446.7U CN215163563U (en) | 2021-04-22 | 2021-04-22 | Hot-blast non-woven fabrics of dry comfortable type sanitary material surface course of faintly acid polylactic acid fibre |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215163563U true CN215163563U (en) | 2021-12-14 |
Family
ID=79362407
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120838446.7U Active CN215163563U (en) | 2021-04-22 | 2021-04-22 | Hot-blast non-woven fabrics of dry comfortable type sanitary material surface course of faintly acid polylactic acid fibre |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215163563U (en) |
-
2021
- 2021-04-22 CN CN202120838446.7U patent/CN215163563U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR102003105B1 (en) | Absorbent article | |
| JP5727246B2 (en) | Absorbent articles | |
| CN215163561U (en) | Antibacterial spunlace nonwoven material with one-way moisture-conducting performance | |
| JP2002345871A (en) | Absorber product having folded part | |
| CN102438565A (en) | Absorbent article | |
| CN216702784U (en) | Pearl protein spunlace non-woven fabric and sanitary towel | |
| KR20220090578A (en) | absorbent component | |
| CN113367900B (en) | Paper diaper with good diversion effect | |
| CN215163563U (en) | Hot-blast non-woven fabrics of dry comfortable type sanitary material surface course of faintly acid polylactic acid fibre | |
| CN210158793U (en) | Degradable sanitary towel and sanitary product based on double-layer pure cotton core | |
| CN210078060U (en) | Disposable absorption product with rapid diversion absorption and anti-back seepage | |
| CN115337148A (en) | Absorption core body and sanitary product | |
| CN202128632U (en) | Paper diaper | |
| CN214285441U (en) | High-permeability skin-friendly hygienic product diversion layer non-woven fabric | |
| CN212466369U (en) | Soft non-rubber core body of sanitary towel | |
| CN212547400U (en) | Non-bleaching bamboo fiber surface layer paper diaper | |
| CN112587314A (en) | Biodegradable sports growth trousers | |
| JP3594097B2 (en) | Sanitary napkin | |
| CN209678864U (en) | A kind of disposable adsorption object | |
| CN209548233U (en) | A kind of composite cover | |
| CN112294545A (en) | Full-degradable environment-friendly paper diaper | |
| CN201906095U (en) | Disposable absorbable object | |
| CN215779201U (en) | Biodegradable sports growth trousers | |
| CN215273945U (en) | Liquid-absorbing and breathable composite layer | |
| CN221830999U (en) | Superfine fiber hot air infant diaper |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |