CN204095226U - A kind of new polyurethane elastic non-woven cloth - Google Patents
A kind of new polyurethane elastic non-woven cloth Download PDFInfo
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- CN204095226U CN204095226U CN201420567263.6U CN201420567263U CN204095226U CN 204095226 U CN204095226 U CN 204095226U CN 201420567263 U CN201420567263 U CN 201420567263U CN 204095226 U CN204095226 U CN 204095226U
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Abstract
The utility model relates to a kind of new polyurethane elastic non-woven cloth, it comprises three layers of fibrage, polyurethane sandwich and lower three layers of fibrage, and described polyurethane sandwich is interposed in described upper three layers of fibrage and described lower three layers of fibrolaminar centre, upper three layers are provided with soy protein adhesives layer between fibrage and polyurethane sandwich and between polyurethane sandwich and lower three layers of fibrage.Non-woven fabrics of the present utility model is novel, and elasticity, pliability are excellent, have good tensile property, simultaneously environment-friendly degradable, and its excellent performance more can improve value-added content of product, has wide market prospects.
Description
Technical field
The utility model relates to a kind of new polyurethane elastic non-woven cloth.
Background technology
Non-woven fabrics is because having many characteristics such as ventilative, waterproof, nontoxic, environmental protection, make it the new lover becoming apparel industry, but in elasticity, flexibility, tensile property etc., also have certain gap with the requirement of garment material due to non-woven fabrics, make non-woven fabrics also cannot replace traditional dress fabric on a large scale, be also mainly used for the products such as adhesive lining, flocculus, sizing cotton, various synthetic leather base fabrics at present.China Patent No. is the patent of 201220180596.4, disclose a kind of elastic non-woven cloth, it comprises non-woven fabrics, described non-woven fabrics is made up of polyethylene layer and polypropylene layer compound, described polypropylene layer thickness is greater than the thickness of polyethylene layer, described polyethylene layer is network structure, described polypropylene layer is network structure, described elastic non-woven cloth can either increase non-woven fabrics flexibility, mobility and elasticity, again can when guaranteeing that polythene material intensity is constant, effectively improve toughness and the pull resistance of polypropylene material, but, polythene material chemical stability in described elastic non-woven cloth is good, not easily degrade, the naturally degradable needs 300 years in outdoor, and outdoor degradable needs of polypropylene 90 days, in described elastic non-woven cloth, a large amount of polyethylene that uses can cause serious environmental pollution, do not meet environmental requirement instantly, simultaneously, the two-layer layered structure of described elastic non-woven cloth can make described elastic non-woven cloth in bending fold process because two kinds of material elasticity are different at the burst both sides generation unbalance stress that bends right and left, and long-time use easily makes described elastic non-woven cloth lose bullet distortion.
Utility model content
Therefore, for above-mentioned problem, the utility model proposes a kind of new polyurethane elastic non-woven cloth.
For realizing above-mentioned technical problem, the solution that the utility model is taked is: a kind of new polyurethane elastic non-woven cloth, comprise three layers of fibrage, polyurethane sandwich and lower three layers of fibrage, and described polyurethane sandwich is interposed in described upper three layers of fibrage and described lower three layers of fibrolaminar centre, upper three layers are provided with soy protein adhesives layer between fibrage and polyurethane sandwich and between polyurethane sandwich and lower three layers of fibrage.
Further: described upper three-layer polypropylene layer is formed by stacking successively, in network structure by polyurethane fiber layer, elastic polyurethane gauze and polypropylene fibre layer.
Further: described lower three-layer polypropylene layer is formed by stacking successively, in network structure by polypropylene fibre layer, elastic polyurethane gauze and polyurethane fiber layer.
Further: described polyurethane sandwich is degradable polyurethane elastomer, this polyurethane sandwich grammes per square metre is 20-30g/m2, in network structure.
By adopting preceding solution, the beneficial effects of the utility model are: the polyurethane material used in the new polyurethane elastic non-woven cloth of design is as mentioned above by taking starch as the Biodegradable polyurethane elastomer that polyalcohol synthesizes, it not only has excellent resilience, and compared with not amyloid polyurethane elastomer, it reaches 20% ~ 40% being buried in the earth the loss of strength rate in month, and there is a large amount of mildew at surface of elastomer, show good biodegradability, thus ensureing the elasticity of described new polyurethane elastic non-woven cloth, flexible basis also improves described new polyurethane elastic non-woven cloth environment-friendly degradable, in described new polyurethane elastic non-woven cloth, symmetrical structure can make it more stable simultaneously, bend right and left uniform stressed in folding process, make described new polyurethane elastic non-woven cloth not easily occur lose bullet distortion and affect the planarization of nonwoven surface, the stressed layered structure of Simultaneous Stabilization can also improve the tensile property of described new polyurethane elastic non-woven cloth further, elastic polyurethane gauze in elastic polyurethane gauze in described upper three layers of fibrage and described lower three layers effectively can not only increase the elasticity of non-woven fabrics, can also strengthen the airing function of non-woven fabrics, described polyurethane sandwich and described upper three layers of fibrage and described lower three layers of fibrage are bonded by a kind of soy protein adhesives adhesion coating, described soy protein adhesives layer is a kind of Environment-friendlyadhesive adhesive utilizing soybean protein to synthesize, it not only has very high adhesion strength, and pliability is excellent, certain effect is played to the intensity and pliability improving described new polyurethane elastic non-woven cloth.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment.
Detailed description of the invention
Now with specific embodiment, the utility model is further illustrated by reference to the accompanying drawings.
With reference to figure 1, what the utility model embodiment disclosed is, a kind of new polyurethane elastic non-woven cloth, comprise three layers of fibrage, polyurethane sandwich 2 and lower three layers of fibrage, and described polyurethane sandwich 2 is interposed in described upper three layers of fibrage and described lower three layers of fibrolaminar centre, soy protein adhesives layer 41,42 is provided with between upper three layers of fibrage and polyurethane sandwich 2 and between polyurethane sandwich 2 and lower three layers of fibrage.Described upper three-layer polypropylene layer is formed by stacking successively, in network structure by polyurethane fiber layer 11, elastic polyurethane gauze 12 and polypropylene fibre layer 13.Described lower three-layer polypropylene layer is formed by stacking successively, in network structure by polypropylene fibre layer 33, elastic polyurethane gauze 32 and polyurethane fiber layer 31.Described polyurethane sandwich 2 is degradable polyurethane elastomer, and this polyurethane sandwich 2 grammes per square metre is 20-30g/m2, in network structure.
The polyurethane material used in described new polyurethane elastic non-woven cloth is by taking starch as the Biodegradable polyurethane elastomer that polyalcohol synthesizes, it not only has excellent resilience, and compared with not amyloid polyurethane elastomer, it reaches 20% ~ 40% being buried in the earth the loss of strength rate in month, and there is a large amount of mildew at surface of elastomer, show good biodegradability, thus ensureing the elasticity of described new polyurethane elastic non-woven cloth, flexible basis also improves described new polyurethane elastic non-woven cloth environment-friendly degradable, in described new polyurethane elastic non-woven cloth, symmetrical structure can make it more stable simultaneously, bend right and left uniform stressed in folding process, make described new polyurethane elastic non-woven cloth not easily occur lose bullet distortion and affect the planarization of nonwoven surface, the stressed layered structure of Simultaneous Stabilization can also improve the tensile property of described new polyurethane elastic non-woven cloth further, elastic polyurethane gauze 32 in elastic polyurethane gauze 12 in described upper three layers of fibrage and described lower three layers effectively can not only increase the elasticity of non-woven fabrics, can also strengthen the airing function of non-woven fabrics, described polyurethane sandwich 2 is by a kind of soy protein adhesives layer 41 with described upper three layers of fibrage and described lower three layers of fibrage, 42 are bonded, described soy protein adhesives layer 41,42 is a kind of Environment-friendlyadhesive adhesive utilizing soybean protein to synthesize, it not only has very high adhesion strength, and pliability is excellent, certain effect is played to the intensity and pliability improving described new polyurethane elastic non-woven cloth.
The new polyurethane elastic non-woven cloth designed in sum is novel, and elasticity, pliability are excellent, have good tensile property, simultaneously environment-friendly degradable, and its excellent performance more can improve value-added content of product, has wide market prospects.
Above, be only the embodiment utilizing this origination techniques content, the modification that any those skilled in the art use this creation to do, change, all belong to the scope of the claims that this creation is advocated, and be not limited to those disclosed embodiments.
Claims (4)
1. a new polyurethane elastic non-woven cloth, it is characterized in that: comprise three layers of fibrage, polyurethane sandwich and lower three layers of fibrage, and described polyurethane sandwich is interposed in described upper three layers of fibrage and described lower three layers of fibrolaminar centre, upper three layers are provided with soy protein adhesives layer between fibrage and polyurethane sandwich and between polyurethane sandwich and lower three layers of fibrage.
2. new polyurethane elastic non-woven cloth according to claim 1, is characterized in that: described upper three-layer polypropylene layer is formed by stacking successively, in network structure by polyurethane fiber layer, elastic polyurethane gauze and polypropylene fibre layer.
3. new polyurethane elastic non-woven cloth according to claim 1, is characterized in that: described lower three-layer polypropylene layer is formed by stacking successively, in network structure by polypropylene fibre layer, elastic polyurethane gauze and polyurethane fiber layer.
4. new polyurethane elastic non-woven cloth according to claim 1, is characterized in that: described polyurethane sandwich is degradable polyurethane elastomer, and this polyurethane sandwich grammes per square metre is 20-30g/m2, in network structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420567263.6U CN204095226U (en) | 2014-09-29 | 2014-09-29 | A kind of new polyurethane elastic non-woven cloth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420567263.6U CN204095226U (en) | 2014-09-29 | 2014-09-29 | A kind of new polyurethane elastic non-woven cloth |
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| Publication Number | Publication Date |
|---|---|
| CN204095226U true CN204095226U (en) | 2015-01-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420567263.6U Expired - Fee Related CN204095226U (en) | 2014-09-29 | 2014-09-29 | A kind of new polyurethane elastic non-woven cloth |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106072937A (en) * | 2016-06-22 | 2016-11-09 | 长兴县志纬服装辅料有限公司 | A kind of elastic waist lining new material and production technology |
-
2014
- 2014-09-29 CN CN201420567263.6U patent/CN204095226U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106072937A (en) * | 2016-06-22 | 2016-11-09 | 长兴县志纬服装辅料有限公司 | A kind of elastic waist lining new material and production technology |
| CN106072937B (en) * | 2016-06-22 | 2018-05-04 | 长兴县志纬服装辅料有限公司 | A kind of elastic waist lining new material and production technology |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150114 Termination date: 20150929 |
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| EXPY | Termination of patent right or utility model |