CN210019949U - Polylactic acid fiber and cotton fiber composite non-woven fabric - Google Patents
Polylactic acid fiber and cotton fiber composite non-woven fabric Download PDFInfo
- Publication number
- CN210019949U CN210019949U CN201920644317.7U CN201920644317U CN210019949U CN 210019949 U CN210019949 U CN 210019949U CN 201920644317 U CN201920644317 U CN 201920644317U CN 210019949 U CN210019949 U CN 210019949U
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- China
- Prior art keywords
- polylactic acid
- cotton
- fiber layer
- cotton fiber
- layer
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- 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.)
- Expired - Fee Related
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- 229920000742 Cotton Polymers 0.000 title claims abstract description 94
- 229920000747 poly(lactic acid) Polymers 0.000 title claims abstract description 91
- 239000004626 polylactic acid Substances 0.000 title claims abstract description 91
- 239000000835 fiber Substances 0.000 title claims abstract description 85
- 239000004745 nonwoven fabric Substances 0.000 title claims abstract description 40
- 239000002131 composite material Substances 0.000 title claims abstract description 35
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 58
- 239000007788 liquid Substances 0.000 abstract description 14
- 238000010521 absorption reaction Methods 0.000 abstract description 8
- 230000000844 anti-bacterial effect Effects 0.000 abstract description 7
- 150000001875 compounds Chemical class 0.000 abstract description 5
- 230000001580 bacterial effect Effects 0.000 abstract description 3
- 230000000994 depressogenic effect Effects 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 86
- 239000000463 material Substances 0.000 description 10
- 239000000047 product Substances 0.000 description 8
- 210000002700 urine Anatomy 0.000 description 7
- 239000004744 fabric Substances 0.000 description 5
- 238000009960 carding Methods 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- 239000008280 blood Substances 0.000 description 2
- 210000004369 blood Anatomy 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 239000011358 absorbing material Substances 0.000 description 1
- 239000003242 anti bacterial agent Substances 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000002940 repellent Effects 0.000 description 1
- 239000005871 repellent Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
- -1 when in actual use Substances 0.000 description 1
Images
Landscapes
- Nonwoven Fabrics (AREA)
- Absorbent Articles And Supports Therefor (AREA)
Abstract
The utility model provides a polylactic acid fiber and cotton fiber composite non-woven fabric, which comprises a polylactic acid fiber layer and a cotton fiber layer; the polylactic acid fiber layer is provided with water guide holes which are uniformly distributed and penetrate through the polylactic acid fiber layer; the cotton fiber layer is provided with a concave part corresponding to the water guide hole. The polylactic acid fiber and cotton fiber composite non-woven fabric provided by the utility model has the advantages that the front surface is the polylactic acid fiber layer, and the polylactic acid fiber and cotton fiber composite non-woven fabric has excellent antibacterial property and water repellency; the back surface is a cotton fiber layer, so that the water absorption performance is good; and set up the water guide hole that runs through polylactic acid fibrous layer on polylactic acid fibrous layer, be equipped with the depressed part in the position that cotton fibrous layer corresponds the water guide hole for liquid on the polylactic acid fibrous layer can contact the cotton fibrous layer through the water guide hole easily, and be absorbed by cotton fibrous layer fast, thereby ensure that the positive polylactic acid fibrous layer of compound non-woven fabric keeps dry and comfortable state all the time, can reduce bacterial odor and breed.
Description
Technical Field
The utility model relates to the technical field of sanitary articles, in particular to polylactic acid fiber and cotton fiber composite non-woven fabric.
Background
At present, the skin contact layer of sanitary products (mainly sanitary towels, urine pads and urine trousers) is generally made of a single material, such as a pure cotton non-woven fabric material; the pure cotton material brings a comfortable feeling when contacting the skin in a dry state, but the pure cotton material generally absorbs water, the pure cotton material becomes very moist after absorbing blood and urine, and the pure cotton material brings an uncomfortable feeling when contacting the skin, thereby influencing the use experience of a user and being easy to breed bacteria; although the prior art also adopts the sanitary article fabric made by mixing a plurality of materials, the fabric has certain surface water repellency and antibacterial property, but the fabric is required to be treated by chemical reagents such as water repellent agents, antibacterial agents and the like.
SUMMERY OF THE UTILITY MODEL
In order to solve the defects in the prior art, the utility model provides a polylactic acid fiber and cotton fiber composite non-woven fabric, which comprises a polylactic acid fiber layer and a cotton fiber layer; the polylactic acid fiber layer is provided with water guide holes which are uniformly distributed and penetrate through the polylactic acid fiber layer; and a concave part is arranged at the position of the cotton fiber layer corresponding to the water guide hole.
Further, the cotton fiber layer is composed of absorbent cotton fibers.
Further, the thickness of the polylactic acid fiber layer is 0.3-1.3 mm; the thickness of the cotton fiber layer is 0.5-1.5 mm.
Furthermore, the mesh number of the water guide holes on the polylactic acid fiber layer is 16-22 meshes.
Further, the gram weight of the cotton fiber layer is 10-20g/m2(ii) a The gram weight of the cotton fiber layer is 20-40g/m2。
Further, the water guide hole is circular or elliptical.
Furthermore, any three adjacent water guide holes are distributed in an isosceles triangle shape.
The polylactic acid fiber and cotton fiber composite non-woven fabric provided by the utility model has the advantages that the front surface is the polylactic acid fiber layer, and the polylactic acid fiber and cotton fiber composite non-woven fabric has excellent antibacterial property and water repellency; the back surface is a cotton fiber layer, so that the water absorption performance is good; and the polylactic acid fiber layer is provided with a water guide hole penetrating through the polylactic acid fiber layer, and the cotton fiber layer is provided with a concave part at a position corresponding to the water guide hole, so that liquid on the polylactic acid fiber layer can easily contact the cotton fiber layer through the water guide hole and can be quickly absorbed by the cotton fiber layer, thereby ensuring that the polylactic acid fiber layer on the front side of the composite non-woven fabric is always kept in a dry and comfortable state, and ensuring that people feel comfortable when the front side of the composite non-woven fabric is in contact with the skin of a human body. The utility model provides a polylactic acid fibre and cotton fiber composite non-woven fabric, it openly has good water repellency can and antibacterial property, and the positive liquid of composite non-woven fabric can be guided fast and absorb to keep the surface course dry and comfortable, make the people feel comfortable and can reduce bacterial odor and breed, can regard as sanitary towel, baby diaper, the surface fabric of sanitary products such as urine proof towel.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a polylactic acid fiber and cotton fiber composite nonwoven fabric provided by the present invention;
fig. 2 is a schematic front view of the polylactic acid fiber and cotton fiber composite nonwoven fabric provided by the present invention.
Reference numerals:
10 polylactic acid fiber layer 20 cotton fiber layer 30 water guide hole
40 recessed part
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Fig. 1 is a schematic structural diagram of a polylactic acid fiber and cotton fiber composite nonwoven fabric provided by an embodiment of the present invention; fig. 2 is a schematic front view of a polylactic acid fiber and cotton fiber composite nonwoven fabric according to an embodiment of the present invention; as shown in fig. 1 and fig. 2, the polylactic acid fiber and cotton fiber composite nonwoven fabric provided by the embodiment of the present invention comprises a polylactic acid fiber layer 10 and a cotton fiber layer 20; the polylactic acid fiber layer 10 is provided with water guide holes 20 which are uniformly distributed and penetrate through the polylactic acid fiber layer 10; a concave part 40 is arranged at the position of the cotton fiber layer 20 corresponding to the water guide hole 30; the cotton fiber layer 20 is made of absorbent cotton fibers.
In specific implementation, as shown in fig. 1, the polylactic acid fiber and cotton fiber composite nonwoven fabric provided by the embodiment of the present invention is composed of a polylactic acid fiber layer 10 and a cotton fiber layer 20 which are stacked together, wherein one side of the polylactic acid fiber layer 10 is the front side of the composite nonwoven fabric, and one side of the cotton fiber layer 20 is the back side of the composite nonwoven fabric, when the polylactic acid fiber and cotton fiber composite nonwoven fabric provided by the embodiment of the present invention is used as a surface layer raw material of a sanitary product (such as a sanitary napkin, a urine pad, a diaper, etc.), one side of the polylactic acid fiber layer 10 is the side facing human skin, and one side of the cotton fiber layer 20 is the side facing an internal water absorbing material (such as a polymer water absorbing resin SPA) of the sanitary product.
In the embodiment of the present invention, the polylactic acid fiber layer 10 is made of polylactic acid fibers, and the cotton fiber layer 20 is made of absorbent cotton fibers; as shown in fig. 1 and 2, a plurality of water guide holes 30 are uniformly distributed on the polylactic acid fiber layer 10, and the water guide holes 30 penetrate through the polylactic acid fiber layer 10; the mesh number of the water guide holes 30 on the polylactic acid fiber layer 10 is 16-22 meshes, and preferably 20 meshes; preferably, the water guiding hole 30 is circular or elliptical, in the embodiment of the present invention, the water guiding hole 30 is elliptical; the water guide holes 30 are staggered into multiple regular rows on the polylactic acid fiber layer 10, as shown in fig. 1, any three adjacent water guide holes 30 are distributed in an isosceles triangle; as shown in fig. 2, a concave portion 40 is disposed at a position corresponding to the water guiding hole 30 on the cotton fiber layer 20, the concave portion 40 may be a concave portion in a cylindrical or elliptic cylindrical shape, or a concave portion or a through hole in an inverted cone shape, in an embodiment of the present invention, the concave portion 40 is in an inverted cone shape. In the embodiment of the present invention, the thickness of the polylactic acid fiber layer 10 is 0.3-1.3mm, preferably 0.6 mm. The thickness of the cotton fiber layer 20 is 0.5 to 1.5mm, preferably 1.2 mm. The gram weight of the polylactic acid fiber layer 10 is 10-20g/m2Preferably 15 g/m2(ii) a The gram weight of the cotton fiber layer 20 is 20-40g/m2Preferably 30g/m2。
When the polylactic acid fiber and cotton fiber composite non-woven fabric provided by the embodiment of the utility model is produced and manufactured, the polylactic acid fiber is carded into a net by a carding machine or the polylactic acid particles are melt-spun into a net by a spinning and melting machine to prepare a polylactic acid fiber layer 10; carding the degreased and bleached cotton fibers into a web by a carding machine to prepare a cotton fiber layer 20; then, the prepared polylactic acid fiber layer 10 and the cotton fiber layer 20 are input into a spunlace machine on a net supporting curtain in a parallel overlapping mode at a constant speed, and the polylactic acid fiber and the cotton fiber layer 20 are compounded together through spunlace; when entering the hydro-entangling machine, the cotton fiber layer 20 is positioned at the upper layer, the polylactic acid fiber layer 10 is positioned at the lower layer, and the polylactic acid fiber layer 10 is close to the hydro-entangling hub sleeve in the hydro-entangling machine. Meanwhile, when the spunlace is compounded, a used spunlace hub sleeve is provided with a pricking pin formed by coaxially combining a cone and a cylinder, wherein the cylinder is a cylinder or an elliptic cylinder; the polylactic acid fiber and cotton fiber layer 20 is entangled on the spunlace hub sleeve by spunlace composite so as to form circular or elliptical water guiding holes 30 on the polylactic acid fiber layer 10 and form a concave part 40 with an inverted cone shape on the cotton fiber layer 20.
The embodiment of the utility model provides a polylactic acid fibre and cotton fiber composite non-woven fabrics, when in actual use, polylactic acid fibrous layer 10 is as pressing close to the one deck of human skin, because polylactic acid fibre has good antibacterial property and water repellency, polylactic acid fibrous layer does not absorb water, makes the liquid such as blood, urine that the human body discharged can not be absorbed by polylactic acid fibrous layer 10; the polylactic acid fiber layer 10 is provided with the water guide hole 30 penetrating through the polylactic acid fiber layer 10, liquid on the surface of the polylactic acid fiber layer 10 flows into the cotton fiber layer 20 along the water guide hole 20, and the cotton fiber layer 20 formed by the absorbent cotton fibers has good water absorption performance, so that the liquid on the surface of the polylactic acid fiber layer 10 is quickly absorbed by the cotton fiber layer 20 when flowing to the cotton fiber layer 20 from the water guide hole 30, the surface of the polylactic acid fiber layer 10 is always kept dry and comfortable, and the breeding of bacteria and odor is effectively avoided; and the cotton fiber layer 20 is close to the internal water absorption material of the sanitary product, when the water absorption capacity of the cotton fiber layer 20 is about to be saturated, the liquid in the cotton fiber layer 20 can contact the internal water absorption material of the sanitary product, and the liquid is absorbed by the internal water absorption material of the sanitary product, so that the liquid can not permeate back to the front surface of the composite non-woven fabric. Meanwhile, the position of the cotton fiber layer 20 corresponding to the water guide hole 30 is provided with the concave part 40, so that the cotton fiber layer 20 has a larger contact area with the liquid flowing in along the water guide hole 30, the flowing-in liquid can be absorbed by the cotton fiber layer 20 more quickly, and the liquid is prevented from being retained in the water guide hole 30 for a long time to influence the use experience.
The polylactic acid fiber and cotton fiber composite non-woven fabric provided by the embodiment of the utility model has the advantages that the front surface is the polylactic acid fiber layer, and the polylactic acid fiber and cotton fiber composite non-woven fabric has excellent antibacterial performance and water repellency; the back surface is a cotton fiber layer, so that the water absorption performance is good; set up the water guide hole that runs through polylactic acid fibrous layer on polylactic acid fibrous layer, be equipped with the depressed part in the position that cotton fibrous layer corresponds the water guide hole for liquid on the polylactic acid fibrous layer can contact the cotton fibrous layer through the water guide hole easily, and be absorbed by the cotton fibrous layer fast, thereby ensure that the positive polylactic acid fibrous layer of compound non-woven fabric keeps dry and comfortable state all the time, make the front of compound non-woven fabric when contacting human skin, make the people feel comfortable. The embodiment of the utility model provides a polylactic acid fibre and compound non-woven fabric of cotton fiber, it openly has good water repellency can and antibacterial property, and compound non-woven fabric positive liquid can be guided fast and absorb to keep the surface course dry and comfortable, make the people feel comfortable and can reduce bacterial odor and breed, can regard as sanitary towel, baby diaper, the surface fabric of sanitary products such as urine proof towel.
Although terms such as polylactic acid fibers, cotton wool fibers, water-guiding pores, depressions, etc. are used more often herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (7)
1. A polylactic acid fiber and cotton fiber composite non-woven fabric is characterized in that: comprises a polylactic acid fiber layer (10) and a cotton fiber layer (20); the polylactic acid fiber layer (10) is provided with water guide holes (30) which are uniformly distributed and penetrate through the polylactic acid fiber layer (10); and a concave part (40) is arranged at the position of the cotton fiber layer (20) corresponding to the water guide hole (30).
2. The polylactic acid fiber and cotton fiber composite nonwoven fabric according to claim 1, wherein: the cotton fiber layer (20) is composed of absorbent cotton fibers.
3. The polylactic acid fiber and cotton fiber composite nonwoven fabric according to claim 1, wherein: the thickness of the polylactic acid fiber layer (10) is 0.3-1.3 mm; the thickness of the cotton fiber layer (20) is 0.5-1.5 mm.
4. The polylactic acid fiber and cotton fiber composite nonwoven fabric according to claim 1, wherein: the mesh number of the water guide holes (30) on the polylactic acid fiber layer (10) is 16-22 meshes.
5. The polylactic acid fiber and cotton fiber composite nonwoven fabric according to claim 1, wherein: the gram weight of the cotton fiber layer (20) is 10-20g/m2(ii) a The gram weight of the cotton fiber layer (20) is 20-40g/m2。
6. The polylactic acid fiber and cotton fiber composite nonwoven fabric according to claim 1, wherein: the water guide hole (30) is circular or oval.
7. The polylactic acid fiber and cotton fiber composite nonwoven fabric according to claim 1, wherein: any three adjacent water guide holes (30) are distributed in an isosceles triangle shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920644317.7U CN210019949U (en) | 2019-05-07 | 2019-05-07 | Polylactic acid fiber and cotton fiber composite non-woven fabric |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920644317.7U CN210019949U (en) | 2019-05-07 | 2019-05-07 | Polylactic acid fiber and cotton fiber composite non-woven fabric |
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| Publication Number | Publication Date |
|---|---|
| CN210019949U true CN210019949U (en) | 2020-02-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920644317.7U Expired - Fee Related CN210019949U (en) | 2019-05-07 | 2019-05-07 | Polylactic acid fiber and cotton fiber composite non-woven fabric |
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| CN (1) | CN210019949U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112295314A (en) * | 2020-09-16 | 2021-02-02 | 齐鲁工业大学 | Completely biodegradable filtering material and preparation method thereof |
-
2019
- 2019-05-07 CN CN201920644317.7U patent/CN210019949U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112295314A (en) * | 2020-09-16 | 2021-02-02 | 齐鲁工业大学 | Completely biodegradable filtering material and preparation method thereof |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200207 |
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| CF01 | Termination of patent right due to non-payment of annual fee |