CN214782482U - Polylactic acid fiber spunlace non-woven fabric for dry and comfortable sanitary material surface layer - Google Patents
Polylactic acid fiber spunlace non-woven fabric for dry and comfortable sanitary material surface layer Download PDFInfo
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- CN214782482U CN214782482U CN202120838387.3U CN202120838387U CN214782482U CN 214782482 U CN214782482 U CN 214782482U CN 202120838387 U CN202120838387 U CN 202120838387U CN 214782482 U CN214782482 U CN 214782482U
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Abstract
The utility model provides a dry and comfortable type is defended material surface course and is used polylactic acid fibre water thorn non-woven fabrics belongs to the non-woven fabrics field, and it has solved the problem that polylactic acid water thorn non-woven fabrics humidity is yielding, water conservancy diversion nature and infiltration function can not have concurrently. The utility model discloses a: and the base fabric layer and the surface layer are compounded through a spunlace process. The surface layer is polylactic acid fiber; the polylactic acid fiber of the surface layer is intertwined and fixed with the base cloth layer, and the included angle between the intertwined end of the polylactic acid fiber and the base cloth layer and the horizontal direction is 10-35 degrees. The utility model discloses the base cloth layer adopts polylactic acid fibre and three-dimensional curly elastic fiber to arrange with great ease, plays the water conservancy diversion effect, and the polylactic acid fibre on top layer has formed an inverted cone angle on the base cloth layer, does benefit to the quick infiltration of liquid, has also prevented the anti-infiltration of liquid simultaneously. The utility model discloses have had the dual function of liquid infiltration and water conservancy diversion down concurrently, reduce cost. The utility model has the advantages of simple structure, reasonable design and low cost.
Description
Technical Field
The utility model relates to a water thorn non-woven fabrics belongs to non-woven fabrics technical field, concretely relates to dry and comfortable type defends material surface course with polylactic acid fibre water thorn non-woven fabrics.
Background
Hydroentangled nonwoven materials are formed by spraying high pressure fine water jets onto one or more layers of a fibrous web to entangle the fibers with each other, thereby strengthening the web to provide strength and hand.
The cross-lapping spunlace nonwoven fabric is usually higher in gram weight and is more wet when being used as a surface layer of a paper diaper and a sanitary towel, and the lowest spunlace nonwoven fabric which is paved directly can be 20g/m2However, when used as a surface layer of a diaper or a sanitary napkin, the surface layer is relatively easily deformed under high tension conditions required for high-speed machine production. Moreover, the existing fabric has more functions of only infiltration and can meet the diversion function of the product only by additionally arranging a diversion layer.
Accordingly, there is a need for a dry, non-deformable, and highly fluid-permeable polylactic acid spunlace nonwoven fabric for sanitary materials.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a dry and comfortable type is defended material surface course and is used polylactic acid fibre water thorn non-woven fabrics to solve the background art polylactic acid water thorn non-woven fabrics moist yielding, water conservancy diversion nature and the problem that the infiltration function can not have concurrently.
In order to solve the technical problem, the purpose of the utility model is to realize like this:
a polylactic acid fiber spunlace non-woven fabric for a dry and comfortable type sanitary material surface layer comprises a base fabric layer and a surface layer which are compounded through a spunlace process.
The surface layer is polylactic acid fiber;
the polylactic acid fiber of the surface layer is intertwined and fixed with the base cloth layer, and the included angle between the intertwined end of the polylactic acid fiber and the base cloth layer and the horizontal direction is 10-35 degrees.
On the basis of the above scheme and as a preferable scheme of the scheme, the base fabric layer comprises a polylactic acid fiber layer and a three-dimensional crimp elastic fiber layer which are mutually entangled, so that the base fabric layer has certain mechanical properties.
On the basis of the scheme, and as a preferable scheme of the scheme, the length of the polylactic acid fiber on the polylactic acid fiber layer is 38-51mm, the fineness is 1-2D, and the length of the three-dimensional crimped elastic fiber on the three-dimensional crimped elastic fiber layer is 51-65mm, and the fineness is 4-6D.
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 scheme, the preferable scheme of the scheme is that the length of the polylactic acid fiber of the surface layer is 51-65mm, and the fineness is 3-4D.
On the basis of the above scheme and as a preferred scheme of the above scheme, the side, away from the surface layer, of the base fabric layer is sequentially provided with the antibacterial layer, the antistatic layer and the reinforcing layer, and the reinforcing layer is fixedly bonded with the water-blocking elastic fiber layer to endow the product with antibacterial and antistatic performances.
On the basis of the above scheme and as a preferable scheme of the scheme, the gram weight of the surface layer is 10-20g/m2The gram weight of the base fabric layer is 20-40g/m2。
The utility model has the advantages that: compared with the prior art, the utility model discloses the base cloth layer adopts polylactic acid fibre and three-dimensional curly elastic fiber to move about freely and quickly to arrange, plays good water conservancy diversion effect, and the polylactic acid fibre on top layer has formed an back taper angle on the base cloth layer, does benefit to liquid and oozes down fast, and the back-seepage of liquid has also been prevented to the taper hole of falling simultaneously. The utility model discloses have had the dual function of liquid infiltration and water conservancy diversion under concurrently, when being used in panty-shape diapers and sanitary towel surface course preparation, saved the process on water conservancy diversion layer, reduce cost. The utility model has the advantages of simple structure, reasonable design and low cost.
Drawings
FIG. 1 is a schematic structural view of an embodiment;
FIG. 2 is a diagram illustrating a second embodiment.
In the figure, 1-surface layer; 2-a base fabric layer; 3-an antibacterial layer; 4-an antistatic layer; 5-a reinforcing layer; 6-water-blocking elastic fiber layer.
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 figure 1, the dry and comfortable polylactic acid fiber spunlace non-woven fabric for the surface layer of the sanitary material comprises a base fabric layer 2 and a surface layer 1 which are compounded through a spunlace process; the surface layer 1 is polylactic acid fiber; the polylactic acid fiber of the surface layer 1 is intertwined and fixed with the base cloth layer 2, and the included angle between the intertwined end of the polylactic acid fiber and the base cloth layer 2 and the horizontal direction is 10-35 degrees.
Specifically, the base fabric layer 2 comprises a polylactic acid fiber layer and a three-dimensional curled elastic fiber layer which are mutually entangled, so that the base fabric layer has certain mechanical properties. The polylactic acid fiber layer is fixed on two sides of the three-dimensional crimped elastic fiber layer, and the polylactic acid fiber layer is close to one side of the surface layer 1. Further, the polylactic acid fiber on the surface layer 1 is entangled and fixed with the three-dimensional crimped elastic fiber layer through the polylactic acid fiber layer on the base fabric layer 2.
Further, the length of the polylactic acid fiber on the polylactic acid fiber layer is 38-51mm, the fineness of the polylactic acid fiber layer is 1-2D, and the length of the three-dimensional crimped elastic fiber on the three-dimensional crimped elastic fiber layer is 51-65mm, and the fineness of the three-dimensional crimped elastic fiber layer is 4-6D. Furthermore, the three-dimensional crimp elastic fiber is a PLA, PTT and PBT three-component fiber, and is developed and manufactured by Suzhou Jinquan New Material Co. Compared with bicomponent composite fiberSince the crimp radius of the three-component conjugate fiber is significantly smaller than that of the two-component conjugate fiber, the crimp amount of the fiber in a certain length range is significantly higher than that of the two-component conjugate fiber, and the elasticity and softness cannot be comparable to those of the two-component conjugate fiber. Further, the length of the polylactic acid fiber of the surface layer 1 is 51-65mm, and the fineness is 3-4D. Furthermore, the gram weight of the surface layer is 10-20g/m2The gram weight of the base fabric layer 2 is 20-40g/m2。
Preferably, the base fabric layer 2 comprises a polylactic acid fiber layer and a three-dimensional crimp elastic fiber layer which are mutually entangled, and the mixing ratio of the two fibers is polylactic acid fiber: the three-dimensional crimp elastic fiber is 50-60:40-50, and the two fibers are mutually entangled along the horizontal plane direction. Wherein the ratio of the number of the two fibers arranged in the longitudinal direction to the number of the two fibers arranged in the transverse direction is 7-8: 2-3. Furthermore, the polylactic acid fiber and the three-dimensional crimp elastic fiber are arranged along the longitudinal direction, so that a good flow guide effect is achieved. Therefore, an inverted cone-shaped angle is formed between the polylactic acid fiber on the surface layer 1 and the base cloth layer 2, so that the liquid can rapidly infiltrate downwards, and meanwhile, the inverted cone-shaped holes formed in the way also prevent the reverse osmosis of the liquid. Therefore, the utility model discloses the dual function of seepage and water conservancy diversion under having had liquid concurrently.
Example two
As shown in fig. 2, different from the first embodiment, in the first embodiment, the antibacterial layer 3, the antistatic layer 4 and the reinforcing layer 5 are sequentially disposed on the side of the base fabric layer 2 away from the surface layer 1, and a water-blocking elastic fiber layer 6 is bonded and fixed on the reinforcing layer 5.
Preferably, the antibacterial layer 3 is formed by weaving polylactic acid fibers, and has the advantages of being antibacterial and degradable; the antistatic layer 4 is hydrophilic plant cotton fiber soaked with an antistatic agent, and the hydrophilic plant cotton fiber has good bulkiness and more excellent water absorption performance; the fiber polyolefin film of the reinforcing layer 5 increases the strength, does not become hard, and ensures the toughness of the non-woven fabric; the waterproof elastic fiber layer 6 forms a bottom film of the product, so that the toughness and the air permeability of the bottom film are ensured, leakage is avoided, and the service life is prolonged.
The utility model discloses can effectively absorb moisture, have better compliance, fluffy degree and good sense of touch, can not take place the seepage, prolonged life, can be used to all kinds of women's health supplies, baby diaper, wet piece of cloth, disposable operation coat and hat gauze mask etc..
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 (7)
1. The utility model provides a dry and comfortable type defends material surface course with polylactic acid fibre water thorn non-woven fabrics, includes through water thorn technology looks complex base cloth layer (2) and top layer (1), its characterized in that:
the surface layer (1) is polylactic acid fiber;
the polylactic acid fiber of the surface layer (1) is intertwined and fixed with the base cloth layer (2), and the included angle between the intertwined end of the polylactic acid fiber and the base cloth layer (2) and the horizontal direction is 10-35 degrees.
2. The dry sanitary material surface layer polylactic acid fiber spunlace nonwoven fabric as claimed in claim 1, wherein the base fabric layer (2) comprises a polylactic acid fiber layer and a three-dimensional crimp elastic fiber layer which are mutually entangled.
3. The dry and comfortable spunlace nonwoven fabric for the surface layer of the sanitary material as claimed in claim 2, wherein the length of the polylactic acid fibers on the polylactic acid fiber layer is 38-51mm, the fineness of the polylactic acid fibers is 1-2D, and the length of the three-dimensional crimped elastic fibers on the three-dimensional crimped elastic fiber layer is 51-65mm, and the fineness of the three-dimensional crimped elastic fibers is 4-6D.
4. The dry sanitary material surface layer polylactic acid fiber spunlace nonwoven fabric as claimed in claim 3, wherein the three-dimensional crimped elastic fiber is PLA, PTT and PBT three-component fiber.
5. The dry and comfortable spunlace nonwoven fabric for the surface layer of the sanitary material as claimed in claim 1, wherein the length of the polylactic acid fiber of the surface layer (1) is 51-65mm, and the fineness of the polylactic acid fiber is 3-4D.
6. The dry and comfortable polylactic acid fiber spunlace nonwoven fabric for the surface layer of the sanitary material as claimed in claim 1, wherein an antibacterial layer (3), an antistatic layer (4) and a reinforcing layer (5) are sequentially arranged on one side of the base fabric layer (2) away from the surface layer (1), and a water-blocking elastic fiber layer (6) is fixedly bonded on the reinforcing layer (5).
7. The dry and comfortable spunlace nonwoven fabric for the surface layer of the sanitary material as claimed in any one of claims 1 to 6, wherein the gram weight of the surface layer (1) is 10-20g/m2The gram weight of the base fabric layer (2) is 20-40g/m2。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120838387.3U CN214782482U (en) | 2021-04-22 | 2021-04-22 | Polylactic acid fiber spunlace non-woven fabric for dry and comfortable sanitary material surface layer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120838387.3U CN214782482U (en) | 2021-04-22 | 2021-04-22 | Polylactic acid fiber spunlace non-woven fabric for dry and comfortable sanitary material surface layer |
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| Publication Number | Publication Date |
|---|---|
| CN214782482U true CN214782482U (en) | 2021-11-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120838387.3U Active CN214782482U (en) | 2021-04-22 | 2021-04-22 | Polylactic acid fiber spunlace non-woven fabric for dry and comfortable sanitary material surface layer |
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| Country | Link |
|---|---|
| CN (1) | CN214782482U (en) |
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2021
- 2021-04-22 CN CN202120838387.3U patent/CN214782482U/en active Active
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