CN202801943U - Natural full biodegradable woman sanitary napkin - Google Patents
Natural full biodegradable woman sanitary napkin Download PDFInfo
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- CN202801943U CN202801943U CN 201220039042 CN201220039042U CN202801943U CN 202801943 U CN202801943 U CN 202801943U CN 201220039042 CN201220039042 CN 201220039042 CN 201220039042 U CN201220039042 U CN 201220039042U CN 202801943 U CN202801943 U CN 202801943U
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- Prior art keywords
- layer
- hydrophilic
- sanitary napkin
- woven fabrics
- lactic acid
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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.)
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- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 claims abstract description 30
- 229920000642 polymer Polymers 0.000 claims abstract description 17
- 239000004745 nonwoven fabric Substances 0.000 claims abstract description 16
- 238000006731 degradation reaction Methods 0.000 claims abstract description 15
- 235000014655 lactic acid Nutrition 0.000 claims abstract description 15
- 239000004310 lactic acid Substances 0.000 claims abstract description 15
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 claims description 2
- 238000010521 absorption reaction Methods 0.000 abstract description 5
- 239000002994 raw material Substances 0.000 abstract description 5
- 230000015556 catabolic process Effects 0.000 abstract description 2
- 239000002131 composite material Substances 0.000 abstract description 2
- 230000035699 permeability Effects 0.000 abstract description 2
- 238000012545 processing Methods 0.000 abstract description 2
- 239000012528 membrane Substances 0.000 abstract 2
- 238000001914 filtration Methods 0.000 abstract 1
- 201000009032 substance abuse Diseases 0.000 abstract 1
- 229920000747 poly(lactic acid) Polymers 0.000 description 19
- 229920002521 macromolecule Polymers 0.000 description 17
- 239000004626 polylactic acid Substances 0.000 description 17
- 239000000463 material Substances 0.000 description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- 239000007788 liquid Substances 0.000 description 10
- 238000000034 method Methods 0.000 description 6
- 229920001896 polybutyrate Polymers 0.000 description 6
- 239000000047 product Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000007613 environmental effect Effects 0.000 description 4
- 239000000835 fiber Substances 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 229920001131 Pulp (paper) Polymers 0.000 description 3
- 230000002745 absorbent Effects 0.000 description 3
- 239000002250 absorbent Substances 0.000 description 3
- 150000001450 anions Chemical class 0.000 description 3
- 150000001768 cations Chemical class 0.000 description 3
- 239000002253 acid Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 238000006065 biodegradation reaction Methods 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000002361 compost Substances 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 230000003204 osmotic effect Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 102100039239 Amidophosphoribosyltransferase Human genes 0.000 description 1
- 108010039224 Amidophosphoribosyltransferase Proteins 0.000 description 1
- 241000233866 Fungi Species 0.000 description 1
- 241000826860 Trapezium Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003490 calendering Methods 0.000 description 1
- 235000013339 cereals Nutrition 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 150000004676 glycans Chemical class 0.000 description 1
- 230000000887 hydrating effect Effects 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 238000010102 injection blow moulding Methods 0.000 description 1
- 239000013067 intermediate product Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000008635 plant growth Effects 0.000 description 1
- 229920000052 poly(p-xylylene) Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 229920001282 polysaccharide Polymers 0.000 description 1
- 239000005017 polysaccharide Substances 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000001223 reverse osmosis Methods 0.000 description 1
- 210000000582 semen Anatomy 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 210000002700 urine Anatomy 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
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- Biological Depolymerization Polymers (AREA)
Abstract
The utility model discloses a natural full biodegradable woman sanitary napkin including a hydrophilic layer, a diversion layer, a mixing layer of dust-free paper and water-absorption high molecular, a waterproof bottom membrane and a piece of strippable paper, wherein the hydrophilic layer is composed of a layer or more layers of fully-degraded lactic acid polymer spun-bonded filament non-woven fabrics after hydrophilic treatment; the waterproof bottom membrane is composed of a layer or more layers of full biodegradable films. The natural full biodegradable woman sanitary napkin employs the fully-degraded lactic acid polymer spun-bonded filament non-woven fabrics and an SMS composite non-woven as the processing raw materials, which has better permeability, flexibility and filtering efficiency, and the excellent degradation ability overcomes the abuses of large treatment difficulty, time and force consumption and easy environment pollution after the traditional sanitary napkin is used.
Description
Technical field
This utility model belongs to the daily living article technical field, is specifically related to a kind of natural complete biodegradable sanltary towel.
Background technology
Along with the progress in epoch, sanltary towel 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 entered since 21 century, and ecological environment constantly worsens.The junk that is seen everywhere on every side allows public consciousness to protection of the environment, realizes that low-carbon environment-friendly is very urgent.Now general feminien hygiene towel products is difficult to process after using on the market; so we are necessary existing feminien hygiene towel products is on the market improved, and can decompose 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 feminien hygiene towel products because of many environmental problems that the inadequate environmental protection of material causes, provide under a kind of green All Pure Nature, harmless, the normality can natural degradable sanltary towel.
The technical solution of the utility model is:
A kind of natural complete biodegradable sanltary towel, this protective pad comprises hydrophilic layer, guide layer, dust-free paper and suction macromolecule mixed layer, waterproof counterdie and strippable paper, described hydrophilic layer is positioned at upper surface, described guide layer is located under the hydrophilic layer and is positioned on described dust-free paper and the suction macromolecule mixed layer, be the waterproof counterdie under described dust-free paper and the suction macromolecule mixed layer, described strippable paper is connected in the bottom of described waterproof counterdie by adhesive sticker, and the both sides of described hydrophilic layer and waterproof counterdie are all with flap.
Wherein hydrophilic layer is made 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 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 consists of.
Dust-free paper is made by pure wood pulp with the dust-free paper in the suction macromolecule mixed layer.
Below this utility model is further described:
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.Have good osmotic absorption function through this non-woven fabrics after the hydrophilic treated.
Full-degradation lactic acid polymer spun-bonded continuous yarn non-woven fabrics among the present invention is further selected full-degradation lactic acid polymer spun-bonded continuous yarn non-woven fabrics disclosed among the Chinese patent ZL200710131440.0 and protection.
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 is 12～16%, and extending transversely 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 feature of good biodegradability and the ability of good biological compost, and (intermediate product of PLA degradation process can Promoting plant growth, therefore can be used for compost), physical and mechanical properties is better than traditional PET simultaneously.
Guide layer
Guide 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, surface dry, the effect of refusal reverse osmosis.Its general performance physical index is: basic grammes per square metre: 30-60 g/m, 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 uniformly all suction areas of diaper, it mixes mutually with the suction macromolecule, can make all suction macromolecules bring into play its water absorbing capacity, is requisite part in sanitary towel's hydrating structure.
Water-absorbing high polymer (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 the 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 by capillary tube absorption and peptizaiton, then hydrone is by 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 the Coulomb repulsion of offsetting gradually anion 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 fusible film is nontoxic and can be degradable to human body.
PBAT is phosphoribosylpyrophosphate amidotransferase by name entirely, 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 its conversion film.
PLA is that the English of biodegradable polylactic acid is write a Chinese character in simplified form, and entirely is written as: polylactice acid.Polylactic acid is also referred to as polylactide (polylactide), belongs to polyester family.Polylactic acid is the polymer that obtains as the primary raw material polymerization take lactic acid, raw material sources fully and can regenerate, mainly take Semen Maydis, Maninot esculenta crantz. etc. as raw material.The production process of polylactic acid is pollution-free, and product can biodegradation, is implemented in the circulation of occurring in nature, is desirable Green Polymer Material therefore.The Heat stability is good of polylactic acid, 170～230 ℃ of processing temperatures have good solvent resistance, and available various ways is processed, such as extruding, spinning, biaxial stretch-formed, injection-blow molding.Outside the product decapacitation biodegradation of being made 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 affect above-mentioned each parts and mass action effect, to reach better effect.
The beneficial effects of the utility model:
(1) the degradable sanltary towel 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, can have better breathability, flexibility and filter efficiency.
(2) its excellent degradation capability has overcome conventional sanitary towels and uses post-processing difficulty large, takes time and effort, and the easy drawback of contaminated environment develops in a healthy way to the harmony of human and environment and to have made certain contribution.
(3) solved because the management that the factors such as flow of personnel, individual quality are brought is difficult the unified problem that reclaims difficulty.
(4) new thinking and direction are provided for green low-carbon environment-friendly.
(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 the present utility model.
Among the figure, 1-hydrophilic layer, 2-guide layer, 3-dust-free paper and suction macromolecule mixed layer, 4-waterproof counterdie, 5-strippable paper.
The specific embodiment
Below in conjunction with drawings and Examples this utility model is further described.
As shown in Figure 1, this natural complete biodegradable sanltary towel comprises hydrophilic layer 1, guide 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, guide layer 2 is located under the hydrophilic layer 1 and is positioned on dust-free paper and the suction macromolecule mixed layer 3, be waterproof counterdie 4 under dust-free paper and the suction macromolecule mixed layer 3, strippable paper 5 is connected in the bottom of waterproof counterdie 4 by adhesive sticker, and the both sides of described hydrophilic layer 1 and waterproof counterdie 4 are all with flap.Wherein hydrophilic layer is made of one or more layers full-degradation lactic acid polymer spun-bonded continuous yarn non-woven fabrics through hydrophilic treated, and wherein full-degradation lactic acid polymer spun-bonded continuous yarn non-woven fabrics is selected full-degradation lactic acid polymer spun-bonded continuous yarn non-woven fabrics disclosed among the Chinese patent ZL200710131440.0 and protection.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 consists of.Dust-free paper is made 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 the pure natural degradable.
In the actual use procedure, liquid can enter the mixed layer of dust-free paper 3 and 6 combinations of suction macromolecule through hydrophilic layer 1 and guide 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 is subject to temperature begins to strengthen gradually its water absorbing capacity, will enter the Liquid Absorption of mixed layer.If there is special circumstances, liquid enter in a large number and flow velocity very fast, the macromolecule 6 that absorbs water this moment does not also enter the strongest absorbing state fully, liquid will contact rapidly waterproof counterdie 4, and the flap that waterproof counterdie 4 can stop the seepage of urine and hydrophilic layer 1 and waterproof counterdie 4 to form fully can prevent liquid generation side leakage.
Claims (2)
1. a natural complete biodegradable sanltary towel is characterized in that this protective pad comprises hydrophilic layer (1), guide layer (2), mixed layer (3), waterproof counterdie (4) and strippable paper (5); Described hydrophilic layer (1) is positioned at upper surface, described guide layer (2) is located under the hydrophilic layer (1) and is positioned on the described mixed layer (3), be waterproof counterdie (4) under the described mixed layer (3), described strippable paper (5) is connected in the bottom of described waterproof counterdie (4) by adhesive sticker, and the both sides of described hydrophilic layer (1) and waterproof counterdie (4) are all with flap; Described hydrophilic layer (1) is made of one or more layers full-degradation lactic acid polymer spun-bonded continuous yarn non-woven fabrics through hydrophilic treated.
2. natural complete biodegradable sanltary towel according to claim 1 is characterized in that described waterproof counterdie (4) is made of one or more layers full-biodegradable film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220039042 CN202801943U (en) | 2012-02-07 | 2012-02-07 | Natural full biodegradable woman sanitary napkin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220039042 CN202801943U (en) | 2012-02-07 | 2012-02-07 | Natural full biodegradable woman sanitary napkin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202801943U true CN202801943U (en) | 2013-03-20 |
Family
ID=47860891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220039042 Expired - Fee Related CN202801943U (en) | 2012-02-07 | 2012-02-07 | Natural full biodegradable woman sanitary napkin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202801943U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103976491A (en) * | 2014-04-29 | 2014-08-13 | 杭州珍琦卫生用品有限公司 | Degradable axillary pad |
| CN104873333A (en) * | 2015-04-23 | 2015-09-02 | 临安市振宇吸水材料有限公司 | Biodegradable disposable nursing product and production method thereof |
| CN105769448A (en) * | 2016-05-03 | 2016-07-20 | 杭州余宏卫生用品有限公司 | Liquid-absorption air-permeable menstruation-resistant no-leakage sanitary napkin |
| CN113116636A (en) * | 2021-04-06 | 2021-07-16 | 美佳爽（中国）有限公司 | Preparation method of degradable sanitary towel |
-
2012
- 2012-02-07 CN CN 201220039042 patent/CN202801943U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103976491A (en) * | 2014-04-29 | 2014-08-13 | 杭州珍琦卫生用品有限公司 | Degradable axillary pad |
| CN104873333A (en) * | 2015-04-23 | 2015-09-02 | 临安市振宇吸水材料有限公司 | Biodegradable disposable nursing product and production method thereof |
| CN104873333B (en) * | 2015-04-23 | 2018-04-20 | 临安市振宇吸水材料有限公司 | Bio-degradable expendable nursing materials and preparation method thereof |
| CN105769448A (en) * | 2016-05-03 | 2016-07-20 | 杭州余宏卫生用品有限公司 | Liquid-absorption air-permeable menstruation-resistant no-leakage sanitary napkin |
| CN113116636A (en) * | 2021-04-06 | 2021-07-16 | 美佳爽（中国）有限公司 | Preparation method of degradable sanitary towel |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160120 Address after: 210000 D center, Wanda center, Jianye District, Jiangsu, Nanjing 1411 Patentee after: Cao Xu Address before: 211101, 55, general road, Jiangning Development Zone, Nanjing, Jiangsu Province, room 904, building D, The Creative Center Patentee before: Dongding Leyuan (Nanjing) Infant Articles Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130320 Termination date: 20190207 |