CN210384204U - Biodegradable environment-friendly sanitary towel and sanitary product - Google Patents
Biodegradable environment-friendly sanitary towel and sanitary product Download PDFInfo
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- CN210384204U CN210384204U CN201920465764.6U CN201920465764U CN210384204U CN 210384204 U CN210384204 U CN 210384204U CN 201920465764 U CN201920465764 U CN 201920465764U CN 210384204 U CN210384204 U CN 210384204U
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Abstract
The utility model discloses a biodegradable environment-friendly sanitary towel and sanitary products. The sanitary towel comprises a liquid-permeable surface layer, a core layer and a waterproof basement membrane, wherein the liquid-permeable surface layer is made of non-woven fabric made of pure cotton fibers or non-woven fabric made of pure cotton fibers and polylactic acid fibers in a mixed manner; the core layer is a net-shaped pure cotton core layer formed by carding and arranging pure cotton fibers or a net-shaped core layer which is formed by carding and arranging pure cotton fibers and is uniformly infiltrated with macromolecular water-absorbing particles. The utility model can rapidly absorb liquid and dredge liquid into the core layer, has better leakage-proof effect, has strong cotton skin-friendly feeling besides the biodegradable function provided by the pure cotton fiber, and is more comfortable when in use; meanwhile, the liquid absorption property is good, the safety is good, the whole core body is thinner, the flexibility of the core layer is increased, the defects that the core layer is easy to generate top, break, fracture and deform are avoided, and the core-type liquid absorption core belongs to an environment-friendly product and has a good popularization prospect.
Description
Technical Field
The utility model belongs to the technical field of disposable absorption articles for use. More particularly, it relates to a biodegradable environment-friendly sanitary napkin and sanitary article.
Background
Statistics show that a woman experiences a 60-day menstrual period a year, and approximately 480 sanitary napkins are needed a year, calculated as 10 g of a sanitary napkin, so that about 960 ten thousand tons of garbage is generated by 20 million women a year. The existing disposable sanitary napkins have various styles, but the structure and the functional design of the sanitary napkins are all focused on the aspects of absorption, leakage prevention and no-clean, the face and the bottom materials mostly adopt PE films and chemical fibers, the sanitary napkins are difficult to degrade after being used, the pollution of combustion treatment is large, a large amount of landfill sites are consumed for landfill treatment according to the existing treatment method, and the sanitary napkins have no creative development on the aspects of skin health care and environmental protection of treatment after being used. Therefore, on the premise of meeting the product performance requirements of people on sanitary towels and protection pads, the degradable disposable sanitary towels are produced and used, the materials used in the existing products are changed, and the degradable disposable sanitary towels can be degraded after being discarded and buried underground and can provide a green living environment for human beings.
Chinese patent publication No. CN2868262Y discloses a sanitary pad capable of being completely degraded, which is composed of degraded wood pulp paper and degraded spunlace nonwoven fabric, wherein the degraded wood pulp paper is located on the degraded waterproof wood pulp paper, and the degraded spunlace nonwoven fabric is located on the degraded wood pulp paper and is compounded with the degraded waterproof wood pulp paper. Due to the reasonable design of the degradable wood pulp paper, the waterproof bottom layer and the contact surface layer in the sanitary pad, a small amount of liquid can be effectively absorbed, and the waterproof bottom layer and the contact layer can slowly permeate after the sanitary pad is used, so that the waterproof layer and the contact layer are forced to be gradually differentiated and degraded, and the environment is effectively protected. But it is only suitable for absorbing a small amount of liquid, has single function and can not meet the actual requirements of people.
Chinese patent publication No. CN207912832U discloses a degradable sanitary napkin, which comprises a sanitary napkin main body, and the sanitary napkin main body comprises, from top to bottom, a polylactic acid fiber nonwoven fabric layer, a wood pulp or dust-free paper absorption core layer, and a degradable corn bottom film layer. The sanitary towel structure integrates the advantages of polylactic acid fiber products and degradable materials of the corn basement membrane, reduces the use of petrochemical raw materials and the damage of wastes to the environment to a certain extent, but the sanitary towel with the structure has some defects: 1) the polylactic acid fiber non-woven fabric layer is used as a surface layer, and the polylactic acid fiber non-woven fabric layer can be wet and percolated after meeting body fluid, has poor permeability and is uncomfortable to use; the permeability is not good enough, and inflammation is easy to generate. 2) The polylactic acid fiber non-woven fabric surface layer product has the defects of not soft hand feeling and large brittleness. The prior sanitary towel has a very limited absorption capacity if the absorbent core layer takes pure wood pulp as an absorbent material. If the conventional absorption core body is formed by mixing wood pulp and a high polymer material in a certain proportion, the wood pulp fiber is used for dredging urine and entering the core body, and then the high polymer material is used for locking liquid; meanwhile, the structure of the material is relatively loose, so that once water is absorbed, the material can generate a lump and a fault, and the core body is deformed through movement and extrusion, so that the flexibility is greatly reduced, and the popularization and the application are limited.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome the defects and deficiencies of the prior art, and provide an environment-friendly sanitary towel which is soft, comfortable, good in air permeability, free from breakage, good in safety, easy to absorb water and biodegradable.
The utility model also aims to provide a sanitary product comprising the biodegradable environment-friendly sanitary towel.
The utility model discloses above-mentioned purpose is realized through following technical scheme:
a biodegradable environment-friendly sanitary towel comprises a liquid-permeable surface layer, a core layer and a waterproof bottom film, wherein the core layer is bonded between the liquid-permeable surface layer and the waterproof bottom film through glue; the liquid-permeable surface layer adopts non-woven fabric made of pure cotton fibers or non-woven fabric made of pure cotton fibers and polylactic acid fibers by mixing; the core layer is a net-shaped pure cotton core layer formed by carding and arranging pure cotton fibers or a net-shaped core layer formed by carding and arranging pure cotton fibers and then uniformly infiltrated with high-molecular water-absorbing particles.
The liquid-permeable surface layer of the utility model can rapidly absorb liquid and dredge the liquid into the core layer, the leakage-proof effect is good, besides the biodegradable function provided by pure cotton fiber, the cotton skin-friendly feeling is very strong, the air permeability is good, and the use feeling is more comfortable; the core layer containing the pure cotton fibers has good liquid absorption and good safety, the whole core body is thinner, the softness of the core layer is increased, and the defects that the core layer is easy to cause top, faults, fracture and deformation are avoided, so that the core layer belongs to an environment-friendly product and has good popularization prospect.
Furthermore, in a preferred embodiment of the present invention, the core layer is a net-shaped core layer formed by pure cotton fibers after being carded and arranged, and then is uniformly infiltrated with the high molecular water-absorbing particles; the pure water absorption rate of the core layer for 1min is more than or equal to 7 g/g. The comfort of the user is improved while ensuring the absorption amount. The pure water absorption capacity was measured in accordance with GB/T8939-2008 or GB/T8939-2018.
Furthermore, in a preferred embodiment of the present invention, the core layer is a net-shaped pure cotton core layer formed by pure cotton fibers after being arranged by carding; the thickness of the core layer is 1-8 mm; the gram weight is 100-400 g/m2。
Further, in a preferred embodiment of the present invention, the liquid-permeable surface layer is a non-woven fabric made of a mixture of pure cotton fibers and polylactic acid fibers; wherein the weight ratio of the pure cotton fiber to the polylactic acid fiber is 1-9: 1.
further, in the preferred embodiment of the present invention, the nonwoven fabric of the liquid-permeable surface layer is plain spunlace nonwoven fabric or mesh spunlace nonwoven fabric, which can increase the infiltration speed of the liquid, and the air permeability is better.
Further, in a preferred embodiment of the present invention, the mesh number of the mesh spunlace nonwoven fabric is 10 to 30 meshes.
Furthermore, in a preferred embodiment of the present invention, the spunlace nonwoven fabric has a mesh number of 22.
Further, inIn a preferred embodiment of the present invention, the gram weight of the liquid-permeable surface layer is 20-40 g/m2. The comfort level of the user is improved while the infiltration speed is ensured.
Furthermore, in a preferred embodiment of the present invention, the gram weight of the liquid-permeable top layer is 35g/m2。
Further, in the preferred embodiment of the present invention, the waterproof basement membrane is a corn fiber basement membrane or a waterproof basement membrane made of other degradable materials. Good degradability and air permeability, and can keep the human body in a healthy state at any time.
Furthermore, in the preferred embodiment of the present invention, the two sides of the liquid-permeable surface layer are further provided with anti-leakage separation edges, and the anti-leakage separation edges are made of pure cotton spunlace nonwoven fabric subjected to water repellent treatment. The leak-proof edge-separating material of the sanitary towel is changed into pure cotton spunlace nonwoven fabric which is subjected to water repellent treatment, so that the degradability of the sanitary towel is further improved, the side-permeation phenomenon of the sanitary towel can be eliminated, the air permeability of the surface of the sanitary towel is effectively improved, and a user feels more comfortable and sanitary.
Further, in a preferred embodiment of the present invention, the gram weight of the leakproof isolation edge is 20-40 g/m2。
Furthermore, in a preferred embodiment of the present invention, the liquid-permeable surface layer is made of a nonwoven fabric made of pure cotton fibers; the core layer is a net-shaped pure cotton core layer formed by carding and arranging pure cotton fibers; the waterproof basement membrane is a corn fiber basement membrane. The core layer does not contain super absorbent resin, and the liquid permeable surface layer, the core layer and the waterproof bottom film can be completely degraded.
Based on the biodegradable environment-friendly sanitary towel, the utility model also provides a sanitary product comprising the biodegradable environment-friendly sanitary towel.
Compared with the prior art, the utility model has the following outstanding advantage:
the utility model discloses the liquidpermeable top layer can absorb liquid fast and dredge and get into the sandwich layer, and the leak protection is effectual, and outside pure cotton fiber provided the biodegradable function, it feels to have very strong cotton skin affinity, and the gas permeability is good, feels more comfortable during the use. The core layer containing the pure cotton fibers has good liquid absorption and good safety, the whole core body is thinner, the softness of the core layer is increased, and the defects that the core layer is easy to cause top, faults, fracture and deformation are overcome. The waterproof basement membrane is a degradable basement membrane, the liquid-permeable surface layer, the core layer and the waterproof basement membrane can be degraded, and can be stripped and recycled or naturally degraded after being used for one time, so that the environment is not polluted, and the waterproof basement membrane belongs to an environment-friendly product and has good popularization prospect.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention.
Wherein, 1 is a liquid-permeable surface layer, 2 is a core layer, 3 is a waterproof bottom film, and 4 is a leakage-proof separation edge.
Detailed Description
The technical solutions in the embodiments of the present invention will be further described in detail and fully with reference to the following specific embodiments, and it should be understood that the described embodiments are only some embodiments, 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 work belong to the protection scope of the present invention.
Example 1A biodegradable, environmental friendly sanitary napkin
As shown in fig. 1, a biodegradable environment-friendly sanitary napkin comprises a liquid-permeable surface layer 1, a core layer 2 and a waterproof bottom membrane 3, wherein the core layer 2 is arranged between the liquid-permeable surface layer 1 and the waterproof bottom membrane 3 by gluing.
Wherein, the liquid-permeable surface layer 1 adopts pure cotton non-woven fabric made of pure cotton fiber. The pure cotton non-woven fabric of the liquid permeable surface layer 1 is plain pure cotton spunlace non-woven fabric or mesh pure cotton spunlace non-woven fabric, and the gram weight is 35g/m2The mesh number of the mesh pure cotton spunlace non-woven fabric is 22 meshes, so that the effect of increasing the water absorption speed can be achieved, the air permeability is better, and the comfort level of a user is improved while the infiltration speed is ensured.
The core layer 2 is a net-shaped pure cotton core layer formed by carding and arranging pure cotton fibers, and the thickness of the core layer 2 is 1-8 mm; the gram weight is 100-400 g/m2Core layer2, the water-absorbing capacity of the water-absorbing resin for 1min is more than or equal to 7 g/g. The comfort of the user is improved while ensuring the absorption amount.
The waterproof basement membrane 3 is a corn fiber basement membrane or a waterproof basement membrane made of other degradable materials, is degradable and has good air permeability, so that a human body can keep a healthy state at any time.
The two sides of the liquid-permeable surface layer 1 are provided with leakage-proof separation edges 4, and the leakage-proof separation edges 4 are made of pure cotton spunlace non-woven fabrics subjected to water repellent treatment. The gram weight of the leakage-proof separation edge 4 is 20-40 g/m2. The material of the leak-proof separation edge 4 is changed into pure cotton spunlace non-woven fabric which is subjected to water repellent treatment, so that the degradability of the sanitary towel is further improved, the side seepage phenomenon of the sanitary towel can be eliminated, the air permeability of the surface of the sanitary towel is effectively improved, and a user feels more comfortable and sanitary.
The liquid-permeable surface layer 1 can quickly absorb liquid and dredge the liquid into the core layer 2, the leakage-proof effect is good, the pure cotton fiber has a biodegradable function, the cotton skin-friendly feeling is very strong, and the use is more comfortable; the core layer 2 containing the pure cotton fibers has good liquid absorption and good safety, the whole core body is thinner, the softness of the core layer 2 is increased, and the defects that the core layer 2 is easy to cause top, faults, fracture and deformation are overcome.
In the embodiment, the liquid-permeable surface layer 1, the core layer 2, the waterproof basement membrane 3 and the leakage-proof separation edges 4 are all made of degradable materials, so that the sanitary towel can really realize full degradation without polluting the environment, belongs to an environment-friendly product and has good popularization prospect.
Example 2A biodegradable environmental sanitary napkin
As shown in fig. 1, a biodegradable environment-friendly sanitary napkin comprises a liquid-permeable surface layer 1, a core layer 2 and a waterproof bottom membrane 3, wherein the core layer 2 is arranged between the liquid-permeable surface layer 1 and the waterproof bottom membrane 3 by gluing.
Wherein, the liquid-permeable surface layer 1 adopts non-woven fabrics made by mixing pure cotton fibers and polylactic acid fibers; wherein the weight ratio of the pure cotton fiber to the polylactic acid fiber is 1-9: 1. the non-woven fabric is plain spunlace non-woven fabric or mesh spunlace non-woven fabric with a gram weight of 30g/m2The mesh number of the mesh spunlace non-woven fabric is 10The mesh can play a role in increasing the water absorption speed, has better air permeability, and improves the comfort level of a user while ensuring the infiltration speed.
The core layer 2 is formed by combing and arranging pure cotton fibers into a net shape and then uniformly permeating high-molecular water-absorbing particles. The pure water absorption multiplying power of the water absorption agent for 1min is more than or equal to 7 g/g. The comfort of the user is improved while ensuring the absorption amount. The waterproof basement membrane 3 is a corn fiber basement membrane, is degradable and has good air permeability, so that a human body can be kept in a healthy state at any time.
The two sides of the liquid-permeable surface layer 1 are provided with leakage-proof separation edges 4, and the leakage-proof separation edges 4 are made of pure cotton spunlace non-woven fabrics subjected to water repellent treatment. The gram weight of the leakage-proof separation edge 4 is 20-40 g/m2. The material of the leak-proof separation edge 4 is changed into pure cotton spunlace non-woven fabric which is subjected to water repellent treatment, so that the degradability of the sanitary towel is further improved, and meanwhile, the air permeability and the flexibility of the surface of the sanitary towel can be effectively improved, so that a user feels more comfortable and sanitary.
The liquid-permeable surface layer 1 can quickly absorb liquid and dredge the liquid into the core layer 2, the leakage-proof effect is good, the pure cotton fiber has a biodegradable function, the cotton skin-friendly feeling is very strong, and the use is more comfortable; the core layer 2 containing the pure cotton fibers has good liquid absorption and good safety, the whole core body is thinner, the softness of the core layer 2 is increased, and the defects that the core layer 2 is easy to cause top, faults, fracture and deformation are overcome.
EXAMPLE 3A sanitary article
The embodiment of the utility model also provides a sanitary product, which comprises the biodegradable environment-friendly sanitary towel of the embodiment 1 or the embodiment 2. The absorbent article has good permeation and absorption effects, and is soft and comfortable.
The above is only the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, etc. made within the protection scope of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A biodegradable environment-friendly sanitary towel comprises a liquid-permeable surface layer, a core layer and a waterproof bottom film, wherein the core layer is bonded between the liquid-permeable surface layer and the waterproof bottom film through glue; the core layer is a net-shaped pure cotton core layer formed by carding and arranging pure cotton fibers or a net-shaped core layer formed by carding and arranging pure cotton fibers and then uniformly infiltrated with high-molecular water-absorbing particles.
2. The environment-friendly sanitary napkin according to claim 1, wherein the core layer is formed by carding and arranging pure cotton fibers into a net shape and then uniformly permeating high-molecular water-absorbing particles; the pure water absorption rate of the core layer for 1min is more than or equal to 7 g/g.
3. The environment-friendly sanitary napkin according to claim 1, wherein the core layer is a net-shaped pure cotton core layer formed by carding and arranging pure cotton fibers; the thickness of the core layer is 1-8 mm; the gram weight is 100-400 g/m2。
4. The sanitary napkin as claimed in claim 1, wherein the liquid-permeable top sheet is a nonwoven fabric made of a blend of pure cotton fibers and polylactic acid fibers.
5. The sanitary napkin as claimed in claim 4, wherein the liquid-permeable surface layer is a plain spunlace nonwoven fabric or a mesh spunlace nonwoven fabric.
6. The sanitary napkin as claimed in claim 4, wherein the liquid-permeable top layer has a grammage of 20-40 g/m2。
7. The environment-friendly sanitary napkin according to claim 1, wherein the waterproof basement membrane is a corn fiber basement membrane.
8. The environment-friendly sanitary napkin as claimed in claim 1, wherein leakproof isolation boundaries are further provided on both sides of the liquid-permeable surface layer, and the leakproof isolation boundaries are made of water-repellent pure cotton spunlace nonwoven fabrics.
9. The environment-friendly sanitary napkin according to claim 8, wherein the grammage of the leakproof isolation boundaries is 20-40 g/m2。
10. A sanitary article comprising the biodegradable, environmentally friendly sanitary napkin according to any one of claims 1 to 9.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920465764.6U CN210384204U (en) | 2019-04-04 | 2019-04-04 | Biodegradable environment-friendly sanitary towel and sanitary product |
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| CN201920465764.6U CN210384204U (en) | 2019-04-04 | 2019-04-04 | Biodegradable environment-friendly sanitary towel and sanitary product |
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| CN210384204U true CN210384204U (en) | 2020-04-24 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113633471A (en) * | 2021-08-17 | 2021-11-12 | 诺宸股份有限公司 | Absorbent article and method of making same |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113633471A (en) * | 2021-08-17 | 2021-11-12 | 诺宸股份有限公司 | Absorbent article and method of making same |
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