CN202437473U - Natural full biodegradable woman sanitary pad - Google Patents
Natural full biodegradable woman sanitary pad Download PDFInfo
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- CN202437473U CN202437473U CN2012200386412U CN201220038641U CN202437473U CN 202437473 U CN202437473 U CN 202437473U CN 2012200386412 U CN2012200386412 U CN 2012200386412U CN 201220038641 U CN201220038641 U CN 201220038641U CN 202437473 U CN202437473 U CN 202437473U
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Abstract
The utility model discloses a natural full biodegradable woman sanitary pad, which comprises a hydrophilic layer, a diversion layer, air-laid paper, an absorbent polymer mixed layer, a waterproof basement membrane and release paper. The hydrophilic layer is located on the upper surface of the natural full biodegradable woman sanitary pad. The diversion layer is disposed under the hydrophilic layer and located above the air-laid paper and the absorbent polymer mixed layer. The waterproof basement membrane is located under the air-laid paper and the absorbent polymer mixed layer. The release paper is connected with the bottom of the waterproof basement membrane through adhesive sticker. The hydrophilic layer is composed of one layer or multi layer of hydrophilic-treated full degradation lactic acid polymer spun-bonded filament non-woven fabrics. The waterproof basement membrane is formed by one layer or multi layer of full biodegradable membrane. By using the full degradation lactic acid polymer spun-bonded filament non-woven fabrics and spunbond meltblown spunbond nonwovens (SMS) composite nonwovens as processing raw materials, the natural full biodegradable woman sanitary pad has the advantages of better breathability, flexibility and filter efficiency. The excellent biodegradability overcomes the defects that a traditional sanitary pad is difficult to be disposed after being used and is labor-consuming, time-consuming and easy to pollute the environment.
Description
Technical field
This utility model belongs to the daily living article technical field, is specifically related to a kind of natural complete biodegradable woman's sanitarg mapkin.
Background technology
Along with the progress in epoch, woman's sanitarg mapkin has become the indispensable living material of women's daily life, and its cheap price, good comfort have won most of women's approval, but has got into since 21 century, and ecological environment constantly worsens.The junk that is seen everywhere on every side lets public consciousness arrive the protection environment, realizes that low-carbon environment-friendly is very urgent.Intractable after general on the market woman's sanitarg mapkin product uses now; So we are necessary existing woman's sanitarg mapkin product is on the market improved, it can be decomposed completely under naturalness; Preserve the ecological environment to reach, realize the harmony between man and nature development.
Summary of the invention
The purpose of this utility model is in order to overcome existing woman's sanitarg mapkin product because of many environmental problems that the not enough environmental protection of material causes, and providing can the high-fall naturally woman's sanitarg mapkin of separating under a kind of green All Pure Nature, harmless, the normality.
The technical scheme of this utility model is:
A kind of natural complete biodegradable woman's sanitarg mapkin; This protective pad comprises hydrophilic layer, water conservancy diversion layer, dust-free paper and suction macromolecule mixed layer, waterproof counterdie and strippable paper; Said hydrophilic layer is positioned at upper surface; Said water conservancy diversion layer is located under the hydrophilic layer and is positioned on said dust-free paper and the suction macromolecule mixed layer, is the waterproof counterdie under said dust-free paper and the suction macromolecule mixed layer, and said strippable paper is connected in the bottom of said waterproof counterdie through adhesive sticker.
Wherein hydrophilic layer is made up of one or more layers full-degradation lactic acid polymer spun-bonded continuous yarn non-woven fabrics through hydrophilic treated.
The waterproof counterdie is made up of one or more layers full-biodegradable film, particularly melts and sprays the full-biodegradable film that processes by one or more layers with PBAT and PLA polylactic acid particle and constitutes.
Dust-free paper is processed by pure wood pulp with the dust-free paper in the suction macromolecule mixed layer.
Below this utility model is done further detailed description:
Hydrophilic layer
The material that hydrophilic layer uses preferably passes through the full-degradation lactic acid polymer spun-bonded continuous yarn non-woven fabrics of hydrophilic treated; Full-degradation lactic acid polymer spun-bonded non-woven fabrics itself is not possess absorbent function; Hydrophilic treated then is that it is carried out special handling, to reach the purpose that its surface can adsorbed water molecule.This non-woven fabrics through after the hydrophilic treated has the good penetration absorption function.
Full-degradation lactic acid polymer spun-bonded continuous yarn non-woven fabrics among the present invention further select for use among the Chinese patent ZL200710131440.0 disclosed and the protection full-degradation lactic acid polymer spun-bonded continuous yarn non-woven fabrics.
Full-degradation lactic acid polymer spun-bonded continuous yarn non-woven fabrics is that the fibre web hot calendering bonding that the acid fiber by polylactic of 0.12～1mm is paved into forms by the average fiber fineness generally, and its mass area ratio is 25～100g/m
2, thickness is 0.1～0.5mm, and extend longitudinally property is 12～16%, and extending transversely property is 15～21%.
The longitudinal pulling force of this non-woven fabrics is 70～300N/5cm, and lateral pull is 10～70N/5cm; Vertical 5% modulus is 50～240N/5cm, and horizontal 5% modulus is 5～50N/5cm.Its trapezium tearing strength is: vertical 5～40N, horizontal 15～90N; Monolateral coefficient tearing strength is: vertical 2～8N, horizontal 3～14N.Its air permeability is 20～190cc/cm
2/ sec.
Full-degradation lactic acid polymer spun-bonded continuous yarn non-woven fabrics has the characteristic of good biodegradability and the ability of good biological compost, and (intermediate product of PLA degradation process can promote plant growing; Therefore can be used for compost), physical and mechanical properties is superior to traditional PET simultaneously.
The water conservancy diversion layer
The water conservancy diversion layer can make the liquid on surface increase fast and penetrate into deep layer, avoids side leakage and bleeds back, and keeps dry and comfortable and comfortable.It has high fluffy fibre structure, and liquid is captured and diffusivity fast, and the surface is dry and comfortable, the effect of refusal reverse osmosis.Performance physical index as the one of which is: basic grammes per square metre: 30-60 gram/square metre, vertically powerful: 40-80 newton/5 centimetre, laterally powerful: 8-15 newton/5 centimetre; Longitudinal tensile strain: 15-70%; Transverse extension: 30-90%, loft: 1.0-1.8mm, time of penetration:＜3 seconds; Regain: about 0.03 gram, spill-out: 0%.
Dust-free paper and suction macromolecule mixed layer
Dust-free paper is that 100% pure wood pulp processes, and belongs to natural Wholly-degradable material.Dust-free paper can solve the problem that liquid distribution is concentrated; Make liquid can spread to all suction areas of diaper uniformly; It mixes with the suction macromolecule mutually, can make all its water absorbing capacities of suction macromolecule performance, is requisite part in sanitary pad's hydrating structure.
Suction macromolecular material (Chemical basis:cereal-based polysaccharides; Be called for short SAP) be also referred to as super absorbent resin, super strength water absorbent, high water absorbency polymer, be a kind of pure natural and new functional macromolecule material with excellent water absorbing capacity and water holding capacity.Macromolecule water uptake divides several stages, and the phase I suction is very slow, and the suction of this moment is to realize through capillary tube absorption and peptizaiton; Then hydrone is through the hydrophilic group effect of hydrogen bond and resin; Make it to dissociate, anion is fixed on the macromolecular chain, and cation then can move freely.Along with hydrophilic group because of further disassociation, the anion number increases, the electrostatic repulsion forces between the ion makes the network expansion of resin; In order to keep electric neutrality, cation can not cause cation concentration in the resin network to increase to outside solvent diffuse simultaneously, so the inside and outside osmotic pressure that produces of network, moisture further infiltrates.Along with the increase of water absorption, the inside and outside permeable pressure head trend of network is zero; And network expansion time, its elastic contractile force is also increasing, and offsets anionic Coulomb repulsion gradually, finally reaches the suction balance.
The waterproof counterdie
The waterproof counterdie preferably adopts the sintetics of PBAT and PLA material, and it has good toughness and refuses the water characteristic.PBAT and PLA are natural Wholly-degradable materials, and therefore, this molten mucosa is harmless and can degrade fully to human non-toxic.
PBAT full name is phosphoribosylpyrophosphate amidotransferase, and it can carry out modification to the PLA material.Pure PLA material can not directly be processed the melting film forming, and PBAT can change the melting index of PLA material, makes it transform film forming.
PLA is that the English of biodegradable plastic polylactic acid is write a Chinese character in simplified form, and is written as entirely: polylactice acid.Polylactic acid is also referred to as polylactide (polylactide), belongs to polyester family.Polylactic acid is the polymer that obtains for the primary raw material polymerization with lactic acid, and raw material sources are raw material with corn, Maninot esculenta crantz. etc. mainly fully and can regenerate.The production process of polylactic acid is pollution-free, and product can biodegradation, is implemented in the circulation of occurring in nature, is the ideal green macromolecular material therefore.The Heat stability is good of polylactic acid, 170～230 ℃ of processing temperatures have good solvent resistance, and available multiple mode is processed, like extruding, spinning, biaxial stretch-formed, injection-blow molding.Outside the product decapacitation biodegradation of being processed by polylactic acid, biocompatibility, glossiness, the transparency, feel and good heat resistance also have certain fungus resistance, anti-flammability and ultraviolet-resistent property.
This utility model can also increase other accessories on the basis that does not influence above-mentioned each parts and mass action effect, to reach better effect.
The beneficial effect of this utility model:
(1) the high-fall woman's sanitarg mapkin of separating adopts full-degradation lactic acid polymer spun-bonded continuous yarn non-woven fabrics and SMS composite non-weaving cloth to process raw material as it, makes it can have better breathability, flexibility and filter efficiency.
(2) its excellent degradation capability has overcome traditional sanitary pad and uses post-processing difficulty big, takes time and effort, and the drawback of contaminated environment easily develops in a healthy way to the harmony of human and environment and to have made certain contribution.
(3) solved because the management that factors such as flow of personnel, individual quality are brought is difficult the unified problem that reclaims difficulty.
(4) for green low-carbon environment-friendly new thinking and direction is provided.
(5) to a certain extent to the enlightening incentive action of the environmental consciousness of consumer.
(6) promoted the development of environmental protection industry, for it has injected new vitality.
(7) increased new competitiveness for product.
Description of drawings
Fig. 1 is a structural group device sketch map of this utility model.
Among the figure, 1-hydrophilic layer, 2-water conservancy diversion layer, 3-dust-free paper and suction macromolecule mixed layer, 4-waterproof counterdie, 5-strippable paper.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment this utility model is further described.
As shown in Figure 1; This natural complete biodegradable woman's sanitarg mapkin comprises hydrophilic layer 1, water conservancy diversion layer 2, dust-free paper and suction macromolecule mixed layer 3, waterproof counterdie 4 and strippable paper 5; Hydrophilic layer 1 is positioned at upper surface; Water conservancy diversion layer 2 is located under the hydrophilic layer 1 and is positioned on dust-free paper and the suction macromolecule mixed layer 3, is waterproof counterdie 4 under dust-free paper and the suction macromolecule mixed layer 3, and strippable paper 5 is connected in the bottom of waterproof counterdie 4 through adhesive sticker.Wherein hydrophilic layer is made up of one or more layers full-degradation lactic acid polymer spun-bonded continuous yarn non-woven fabrics through hydrophilic treated, full-degradation lactic acid polymer spun-bonded continuous yarn non-woven fabrics wherein select for use among the Chinese patent ZL200710131440.0 disclosed and the protection full-degradation lactic acid polymer spun-bonded continuous yarn non-woven fabrics.The waterproof counterdie melts and sprays the full-biodegradable film that processes by one or more layers with PBAT and PLA polylactic acid particle and constitutes.Dust-free paper is processed by 100% pure wood pulp with the dust-free paper in the suction macromolecule mixed layer, and macromolecular material (being called for short SAP) is separated for pure natural is high-fall.
In the actual use; Liquid can pass through hydrophilic layer 1 and get into the mixed layer of dust-free paper 3 and 6 combinations of suction macromolecule with water conservancy diversion layer 2; Liquid is through the effect of dust-free paper 3; Be evenly dispersed the whole surface of mixed layer, the stimulation that suction macromolecule 6 receives temperature begins to strengthen gradually its water absorbing capacity, with the Liquid Absorption that gets into mixed layer.If special circumstances, liquid get in a large number and flow velocity very fast, the macromolecule 6 that absorbs water this moment also gets into the strongest absorbing state fully, liquid will contact waterproof counterdie 4 rapidly, waterproof counterdie 4 can stop the seepage of urine fully.
Claims (4)
1. natural complete biodegradable woman's sanitarg mapkin; It is characterized in that this protective pad comprises hydrophilic layer (1), water conservancy diversion layer (2), dust-free paper and suction macromolecule mixed layer (3), waterproof counterdie (4) and strippable paper (5); Said hydrophilic layer (1) is positioned at upper surface; Said water conservancy diversion layer (2) is located under the hydrophilic layer (1) and is positioned on said dust-free paper and suction macromolecule mixed layer (3); Under said dust-free paper and the suction macromolecule mixed layer (3) is waterproof counterdie (4), and said strippable paper (5) is connected in the bottom of said waterproof counterdie (4) through adhesive sticker; Said hydrophilic layer (1) is made up of one or more layers full-degradation lactic acid polymer spun-bonded continuous yarn non-woven fabrics through hydrophilic treated.
2. natural complete biodegradable woman's sanitarg mapkin according to claim 1 is characterized in that said waterproof counterdie (4) is made up of one or more layers full-biodegradable film.
3. natural complete biodegradable woman's sanitarg mapkin according to claim 2 is characterized in that said waterproof counterdie (4) melts and sprays the full-biodegradable film that processes by one or more layers with PBAT and PLA polylactic acid particle and constitutes.
4. natural complete biodegradable woman's sanitarg mapkin according to claim 1 is characterized in that the dust-free paper in said dust-free paper and the suction macromolecule mixed layer (3) is processed by pure wood pulp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200386412U CN202437473U (en) | 2012-02-07 | 2012-02-07 | Natural full biodegradable woman sanitary pad |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200386412U CN202437473U (en) | 2012-02-07 | 2012-02-07 | Natural full biodegradable woman sanitary pad |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202437473U true CN202437473U (en) | 2012-09-19 |
Family
ID=46818930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200386412U Expired - Fee Related CN202437473U (en) | 2012-02-07 | 2012-02-07 | Natural full biodegradable woman sanitary pad |
Country Status (1)
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|---|---|
| CN (1) | CN202437473U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104096258A (en) * | 2014-06-17 | 2014-10-15 | 马鞍山同杰良生物材料有限公司 | Anti-side leakage degradable polylactic acid sanitary napkin and preparation method thereof |
-
2012
- 2012-02-07 CN CN2012200386412U patent/CN202437473U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104096258A (en) * | 2014-06-17 | 2014-10-15 | 马鞍山同杰良生物材料有限公司 | Anti-side leakage degradable polylactic acid sanitary napkin and preparation method thereof |
| CN104096258B (en) * | 2014-06-17 | 2015-12-09 | 马鞍山同杰良生物材料有限公司 | Degradable poly lactic acid sanitary towel of a kind of lateral leakage protection and preparation method thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120919 Termination date: 20140207 |