CN204698813U - A kind of bio-degradable expendable nursing materials - Google Patents
A kind of bio-degradable expendable nursing materials Download PDFInfo
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- CN204698813U CN204698813U CN201520249362.4U CN201520249362U CN204698813U CN 204698813 U CN204698813 U CN 204698813U CN 201520249362 U CN201520249362 U CN 201520249362U CN 204698813 U CN204698813 U CN 204698813U
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Abstract
This utility model relates to a kind of bio-degradable expendable nursing materials, comprise surface layer, sandwich layer and bottom, surface layer adopts the non-woven fabrics be made up of acid fiber by polylactic or the non-woven fabrics being mixed with wood pulp cellulose by acid fiber by polylactic and make, sandwich layer comprises the first absorbed layer and the second absorbed layer that from top to bottom arrange in turn, first absorbed layer and the second absorbed layer all adopt and are mixed with wood pulp cellulose by acid fiber by polylactic and the non-woven fabrics made, and are evenly impregnated with water absorbing polymer particle respectively in the first absorbed layer and the second absorbed layer; Described bottom adopts the non-woven fabrics be made up of acid fiber by polylactic.Composite construction of the present utility model can not only provide surface dry may just as well, not easily sensitization, and there is the well antibacterial and function that eliminates the unusual smell, meanwhile, there is good biodegradability, burden can not be caused to environment, the mankind can be brought and live more easily and beautiful green environment.
Description
Technical field
This utility model relates to a kind of nursing materials, especially relates to a kind of bio-degradable expendable nursing materials.
Background technology
Have statistics to show, a women will experience 60 days menstrual phases for 1 year, and within 1 year, approximately need 480 sanitary towels, calculate according to a slice sanitary towel weight 10 grams, thus 2,000,000,000 women will produce the rubbish of about 9,600,000 tons for 1 year; In addition, along with the development of economy and constantly bringing forth new ideas of product quality, the consumption of Chinese children diaper grows with each passing day; And along with the arrival of aged tendency of population, the incontinent patients number such as patient, patient with severe symptoms of long-term bed also constantly increases, and incontinence article also receives much concern.The volume ratio of occupying due to these " white garbages " is larger, carry out landfill disposal according to existing processing method to need to consume a large amount of landfill yards, the serious problems seized good farmland, arable land with the mankind, corrode human habitat are there are, thus, produce and use degradable disponsable nursing materials, changing material therefor in existing product, after making it to abandon and being buried in underground, can degraded be produced through the regular hour, return the living environment of mankind's green, very necessary.
Chinese patent CN 2868262 disclose a kind of can the sanitary belt of whole degradation treatment, be made up of degraded wood pulp paper, degradation water prick nonwoven cloth, degraded wood pulp paper is positioned on degraded waterproof wood pulp paper, degradation water prick nonwoven cloth to be positioned on degraded wood pulp paper and with degraded waterproof wood pulp paper compound.Advantage: one is the appropriate design of wood pulp paper and substratum for waterproofing and contact surface layer of degrading in sanitary belt, can not only effectively absorb a small amount of liquid, and can after sanitary belt uses, osmosis is slowly produced to substratum for waterproofing and contact layer, force watertight composition and contact layer to break up gradually, degrade, effectively protect environment; Two is greatly reduce production cost, meets the life of people and needs at heart.But it is only applicable to absorb a small amount of liquid, function singleness, can not meet the actual demand of people.
Chinese patent CN 101491687 discloses a kind of corn polylactic acid fiber sanitary napkin, and top layer adopts adopting polylactic acid fibers spun-laced nonwoven fabric, and packed layer (internal layer) adopts Semen Maydis polylactic acid short-fiber, and water barrier adopts adopting polylactic acid fibers space fabric.This utility model sanitary towel has gathered the advantage of polylactic acid fibre and hydro-entangled non-woven fabric, soft, evenly have good breathability, water absorption, skin-friendly, and product has excellent antibiotic property, antibacterial and mildew resistance, and fully biodegradable.But it still exists complex manufacturing, be difficult to realize sanitary towel's water absorbent rate of national Specification must be greater than the standard of 7 times and the feature of function singleness, the market thus and use colony narrow, popularization and application is subject to certain restrictions.
Utility model content
In order to overcome the deficiency that prior art exists, this utility model provide a kind ofly not rupture, safety is good, water absorption is strong, water-retaining property is good bio-degradable expendable nursing materials.
A kind of bio-degradable expendable nursing materials, comprise the surface layer, sandwich layer and the bottom that from top to bottom arrange in turn, described surface layer adopts the non-woven fabrics be made up of acid fiber by polylactic or the non-woven fabrics being mixed with wood pulp cellulose by acid fiber by polylactic and make, described sandwich layer comprises the first absorbed layer and the second absorbed layer that from top to bottom arrange in turn, first absorbed layer and the second absorbed layer all adopt and are mixed with wood pulp cellulose by acid fiber by polylactic and the non-woven fabrics made, and are evenly impregnated with water absorbing polymer particle respectively in described first absorbed layer and the second absorbed layer; Described bottom adopts the non-woven fabrics be made up of acid fiber by polylactic.
This utility model surface layer can quick absorbing fluid dredge and enter sandwich layer, and leakproof is only oozed, polylactic acid provide simultaneously good antibacterial, eliminate the unusual smell and the function such as biodegradable; Sandwich layer contains superabsorbent water water absorbing polymer particle, and absorbing fluid fully and completely; Containing the ventilative bottom of acid fiber by polylactic antibacterial and eliminate the unusual smell simultaneously, steam can be derived rapidly, human body is kept fit state at any time.This utility model can play integral adhesive after the heating, need not carry out bonding additionally by adhesive again, can not affect water absorbing properties, and in addition, wood pulp cellulose can also play the effect increasing absorption speed.
As preferably, described surface thickness is 0.1 ~ 1.0mm.While guarantee absorbtivity, improve the comfort level of user.
As preferably, described underlayer thickness is 0.1 ~ 1.0mm.While guarantee absorbtivity, improve the comfort level of user.
This utility model surface layer can adopt and be mixed with wood pulp cellulose by acid fiber by polylactic and the non-woven fabrics made, and wherein, the percentage by weight of acid fiber by polylactic is 20 ~ 50%, and the percentage by weight of wood pulp cellulose is 50 ~ 80%.The rapid absorbing fluid of energy is also dredged fast and is entered sandwich layer, and leakproof is only oozed, and acid fiber by polylactic provides the good antibacterial and function that eliminates the unusual smell simultaneously, extends working time.
In described first absorbed layer, the percentage by weight of acid fiber by polylactic is 20 ~ 40%, and the percentage by weight of wood pulp cellulose is 60 ~ 80%; In second absorbed layer, the percentage by weight of acid fiber by polylactic is 20 ~ 40%, and the percentage by weight of wood pulp cellulose is 60 ~ 80%.
Acid fiber by polylactic is adopted to mix with wood pulp cellulose, important impact is there is in the weight proportion of acid fiber by polylactic and wood pulp cellulose for the performance of product, along with the increase of acid fiber by polylactic proportioning, its breathability and drainability increase, but the mechanical property such as tear index and folding strength reduces, therefore, comprehensive consideration need be carried out, to obtain applicable appropriate proportioning of the present utility model.
The hydrophobic performance of this utility model acid fiber by polylactic provides surface dry may just as well for disposable nursing materials, the smooth surface of acid fiber by polylactic provides not easily sensitization for disposable nursing materials, and polylactic acid is with weak lactic acid characteristic, there is the well antibacterial and function that eliminates the unusual smell, steam can be derived rapidly, human body is kept fit state at any time.Composite construction of the present utility model not only has pro-skin, softness, the performance such as comfortable, and easily can realize biodegradation, can not cause burden to environment, can bring the mankind and live more easily and beautiful green environment.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail, but protection domain of the present utility model is not limited to this.
Embodiment 1
With reference to Fig. 1, a kind of bio-degradable expendable nursing materials, comprise surface layer 1, sandwich layer and the bottom 2 from top to bottom arranged in turn, described surface layer 1 adopts and is mixed with wood pulp cellulose by acid fiber by polylactic and the non-woven fabrics made, wherein, the percentage by weight of acid fiber by polylactic is 35%, the percentage by weight of wood pulp cellulose is 65%, and the rapid absorbing fluid of energy is also dredged fast and entered sandwich layer, and leakproof is only oozed, acid fiber by polylactic provides the good antibacterial and function that eliminates the unusual smell simultaneously, extends working time.
Described sandwich layer comprises the first absorbed layer 3 and the second absorbed layer 4 from top to bottom arranged in turn, first absorbed layer 3 and the second absorbed layer 4 all adopt and are mixed with wood pulp cellulose by acid fiber by polylactic and the non-woven fabrics made, in described first absorbed layer 3, the percentage by weight of acid fiber by polylactic is 25%, and the percentage by weight of wood pulp cellulose is 75%; In second absorbed layer 4, the percentage by weight of acid fiber by polylactic is 30%, and the percentage by weight of wood pulp cellulose is 70%; Evenly water absorbing polymer particle is impregnated with respectively in described first absorbed layer 3 and the second absorbed layer 4.
Described bottom 2 adopts the non-woven fabrics be made up of acid fiber by polylactic.Described surface thickness is 0.1mm, and underlayer thickness is 0.1mm.
The preparation method of above-mentioned bio-degradable expendable nursing materials, comprises the steps:
(1) by bottom fiber tiling on the table, below bottom, air exhauster and vibrator is provided with;
(2) under the effect of air exhauster, by the second absorbed layer fleece-laying on bottom;
(3) water absorbing polymer particle is laid on the second absorbed layer fiber, under the effect of air exhauster and vibrator, makes water absorbing polymer particle evenly infiltrate in the second absorbed layer fiber;
(4) under the effect of air exhauster, by the first absorbed layer fleece-laying on the second absorbed layer;
(5) water absorbing polymer particle is laid on the first absorbed layer fiber, under the effect of air exhauster and vibrator, makes water absorbing polymer particle evenly infiltrate in the first absorbed layer fiber;
(6) under the effect of air exhauster, by surface layer fleece-laying on the first absorbed layer fiber;
(7) carry out adding hot pressing, make the fiber between the layer of the fiber in each layer and layer adhesion-molded, rolling after cooling, cut and get final product.
This utility model surface layer can quick absorbing fluid dredge and enter sandwich layer, and leakproof is only oozed, polylactic acid provide simultaneously good antibacterial, eliminate the unusual smell and the function such as biodegradable; Sandwich layer contains superabsorbent water water absorbing polymer particle and forms, and absorbing fluid fully and completely; Containing the ventilative bottom of acid fiber by polylactic antibacterial and eliminate the unusual smell simultaneously, steam can be derived rapidly, human body be kept fit state at any time, extends working time.This utility model can play integral adhesive effect after the heating, need not carry out bonding additionally by adhesive again, can not affect water absorbing properties, in addition, and the flow conductivity effect can also playing increase absorption speed that wood pulp cellulose is good.
Embodiment 2
With reference to Fig. 1, a kind of bio-degradable expendable nursing materials, comprise surface layer 1, sandwich layer and the bottom 2 from top to bottom arranged in turn, described surface layer 1 adopts the non-woven fabrics be made up of acid fiber by polylactic, described sandwich layer comprises the first absorbed layer 3 and the second absorbed layer 4 from top to bottom arranged in turn, first absorbed layer 3 and the second absorbed layer 4 all adopt and are mixed with wood pulp cellulose by acid fiber by polylactic and the non-woven fabrics made, in described first absorbed layer 3, the percentage by weight of acid fiber by polylactic is 20%, and the percentage by weight of wood pulp cellulose is 80%; In second absorbed layer 4, the percentage by weight of acid fiber by polylactic is 40%, and the percentage by weight of wood pulp cellulose is 60%.
Evenly water absorbing polymer particle is impregnated with respectively in described first absorbed layer 3, second absorbed layer 4; Described bottom 2 adopts the non-woven fabrics be made up of acid fiber by polylactic.Described surface thickness is 0.5mm, and described underlayer thickness is 0.5mm.
Embodiment 3
With reference to Fig. 1, a kind of bio-degradable expendable nursing materials, comprise surface layer 1, sandwich layer and the bottom 2 from top to bottom arranged in turn, described surface layer 1 adopts and is mixed with wood pulp cellulose by acid fiber by polylactic and the non-woven fabrics made, described sandwich layer comprises the first absorbed layer 3 and the second absorbed layer 4 from top to bottom arranged in turn, first absorbed layer 3 and the second absorbed layer 4 all adopt and are mixed with wood pulp cellulose by acid fiber by polylactic and the non-woven fabrics made, and are evenly impregnated with water absorbing polymer particle in described first absorbed layer 3, second absorbed layer 4 respectively; Described bottom 2 adopts the non-woven fabrics be made up of acid fiber by polylactic.
In described surface layer 1, the percentage by weight of acid fiber by polylactic is 45%, and the percentage by weight of wood pulp cellulose is 55%; In first absorbed layer 3, the percentage by weight of acid fiber by polylactic is 30%, and the percentage by weight of wood pulp cellulose is 70%; In second absorbed layer 4, the percentage by weight of acid fiber by polylactic is 30%, and the percentage by weight of wood pulp cellulose is 70%.Described surface thickness is 0.3mm, and described underlayer thickness is 0.3mm.
Embodiment 4
With reference to Fig. 1, a kind of bio-degradable expendable nursing materials, comprise surface layer 1, sandwich layer and the bottom 2 from top to bottom arranged in turn, described surface layer 1 adopts and is mixed with wood pulp cellulose by acid fiber by polylactic and the non-woven fabrics made, described sandwich layer comprises the first absorbed layer 3 and the second absorbed layer 4 from top to bottom arranged in turn, first absorbed layer 3 and the second absorbed layer 4 all adopt and are mixed with wood pulp cellulose by acid fiber by polylactic and the non-woven fabrics made, and are evenly impregnated with water absorbing polymer particle in described first absorbed layer 3, second absorbed layer 4 respectively; Described bottom 2 adopts the non-woven fabrics be made up of acid fiber by polylactic.
In described surface layer 1, the percentage by weight of acid fiber by polylactic is 50%, and the percentage by weight of wood pulp cellulose is 50%; In first absorbed layer 3, the percentage by weight of acid fiber by polylactic is 40%, and the percentage by weight of wood pulp cellulose is 60%; In second absorbed layer 4, the percentage by weight of acid fiber by polylactic is 20%, and the percentage by weight of wood pulp cellulose is 80%.Described surface thickness is 0.4mm, and described underlayer thickness is 0.6mm.
Claims (3)
1. a bio-degradable expendable nursing materials, comprise the surface layer, sandwich layer and the bottom that from top to bottom arrange in turn, it is characterized in that: described surface layer adopts the non-woven fabrics be made up of acid fiber by polylactic or the non-woven fabrics being mixed with wood pulp cellulose by acid fiber by polylactic and make, described sandwich layer comprises the first absorbed layer and the second absorbed layer that from top to bottom arrange in turn, first absorbed layer and the second absorbed layer all adopt and are mixed with wood pulp cellulose by acid fiber by polylactic and the non-woven fabrics made, and are evenly impregnated with water absorbing polymer particle respectively in described first absorbed layer and the second absorbed layer; Described bottom adopts the non-woven fabrics be made up of acid fiber by polylactic.
2. bio-degradable expendable nursing materials according to claim 1, is characterized in that: described surface thickness is 0.1 ~ 1.0mm.
3. bio-degradable expendable nursing materials according to claim 1, is characterized in that: described underlayer thickness is 0.1 ~ 1.0mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520249362.4U CN204698813U (en) | 2015-04-23 | 2015-04-23 | A kind of bio-degradable expendable nursing materials |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520249362.4U CN204698813U (en) | 2015-04-23 | 2015-04-23 | A kind of bio-degradable expendable nursing materials |
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| Publication Number | Publication Date |
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| CN204698813U true CN204698813U (en) | 2015-10-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520249362.4U Active CN204698813U (en) | 2015-04-23 | 2015-04-23 | A kind of bio-degradable expendable nursing materials |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111134964A (en) * | 2018-11-01 | 2020-05-12 | 新疆疆之爱卫生用品有限公司 | Multi-layer composite material for sanitary articles, processing method thereof and sanitary articles made of multi-layer composite material |
-
2015
- 2015-04-23 CN CN201520249362.4U patent/CN204698813U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111134964A (en) * | 2018-11-01 | 2020-05-12 | 新疆疆之爱卫生用品有限公司 | Multi-layer composite material for sanitary articles, processing method thereof and sanitary articles made of multi-layer composite material |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 311311 Yi Yi village, Yu Qian Town, Ling'an District, Hangzhou, Zhejiang Patentee after: Zhejiang Zhenyu water absorbing material Co., Ltd. Address before: 311311 No. 165 Renmin Road, Yuqian Town, Ling'an, Hangzhou, Zhejiang Patentee before: Lin'an City Zhenyu Absorbent Material Co., Ltd. |
|
| CP03 | Change of name, title or address | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 311311 Yi Yi village, Yu Qian Town, Ling'an District, Hangzhou, Zhejiang Patentee after: Zhejiang Zhenyu water absorbing material technology Co.,Ltd. Address before: 311311 Yi Yi village, Yu Qian Town, Ling'an District, Hangzhou, Zhejiang Patentee before: Zhejiang Zhenyu water absorbing material Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |