CN105479872A - Composite sea-island fiber synthetic needle-punched fabric - Google Patents
Composite sea-island fiber synthetic needle-punched fabric Download PDFInfo
- Publication number
- CN105479872A CN105479872A CN201510930976.3A CN201510930976A CN105479872A CN 105479872 A CN105479872 A CN 105479872A CN 201510930976 A CN201510930976 A CN 201510930976A CN 105479872 A CN105479872 A CN 105479872A
- Authority
- CN
- China
- Prior art keywords
- sea
- fibre
- eedle
- wovens
- island
- Prior art date
- 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.)
- Pending
Links
- 239000000835 fiber Substances 0.000 title claims abstract description 97
- 239000004744 fabric Substances 0.000 title abstract description 34
- 239000002131 composite material Substances 0.000 title abstract description 9
- 239000010410 layer Substances 0.000 claims abstract description 32
- 239000004743 Polypropylene Substances 0.000 claims abstract description 25
- 229920001155 polypropylene Polymers 0.000 claims abstract description 24
- -1 polypropylene Polymers 0.000 claims abstract description 21
- 239000012790 adhesive layer Substances 0.000 claims abstract description 8
- 150000001875 compounds Chemical class 0.000 claims description 31
- 239000004745 nonwoven fabric Substances 0.000 claims description 31
- 230000015572 biosynthetic process Effects 0.000 claims description 30
- 238000003786 synthesis reaction Methods 0.000 claims description 30
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 3
- 239000004917 carbon fiber Substances 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 239000000853 adhesive Substances 0.000 abstract 2
- 230000001070 adhesive effect Effects 0.000 abstract 2
- 239000003822 epoxy resin Substances 0.000 abstract 2
- 229920000647 polyepoxide Polymers 0.000 abstract 2
- 239000004753 textile Substances 0.000 description 8
- 238000004043 dyeing Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 239000000975 dye Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000010985 leather Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000035699 permeability Effects 0.000 description 3
- 229920002994 synthetic fiber Polymers 0.000 description 3
- 229920001410 Microfiber Polymers 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 238000007334 copolymerization reaction Methods 0.000 description 2
- 235000012489 doughnuts Nutrition 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003658 microfiber Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 239000012209 synthetic fiber Substances 0.000 description 2
- 238000011282 treatment Methods 0.000 description 2
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- KGIGUEBEKRSTEW-UHFFFAOYSA-N 2-vinylpyridine Chemical compound C=CC1=CC=CC=N1 KGIGUEBEKRSTEW-UHFFFAOYSA-N 0.000 description 1
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 1
- 241000876833 Emberizinae Species 0.000 description 1
- 206010046996 Varicose vein Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000001467 acupuncture Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 206010061592 cardiac fibrillation Diseases 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 125000003636 chemical group Chemical group 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000002600 fibrillogenic effect Effects 0.000 description 1
- 244000144992 flock Species 0.000 description 1
- 238000009940 knitting Methods 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 238000002074 melt spinning Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 230000019612 pigmentation Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000012779 reinforcing material Substances 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 210000004243 sweat Anatomy 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
- B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
- B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/02—Synthetic macromolecular fibres
- B32B2262/0253—Polyolefin fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/724—Permeability to gases, adsorption
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2437/00—Clothing
Landscapes
- Multicomponent Fibers (AREA)
Abstract
The invention discloses a composite sea-island fiber synthetic needle-punched fabric which comprises an outmost layer, a middle layer and an adhesive layer arranged between the outmost layer and the middle layer. The outmost layer is made of polypropylene fibers, the middle layer is made of composite sea-island fibers, and the adhesive layer arranged between the outmost layer and the middle layer is made of an epoxy resin adhesive. The polypropylene fibers account for 39%-52% of the total weight of the composite sea-island fiber synthetic needle-punched fabric, the composite sea-island fibers account for 52%-58% of the total component of the composite sea-island fiber synthetic needle-punched fabric, and the epoxy resin adhesive accounts for 1%-2% of the total component of the composite sea-island fiber synthetic needle-punched fabric. The composite sea-island fiber synthetic needle-punched fabric has the advantages that the fabric is soft in hand touch, good in drapability, full and good in breathability, and naps are uniform.
Description
Technical field
The present invention relates to a kind of compound sea-island fibre synthesis eedle-punched non-wovens.
Background technology
The application quantity of ultra-fine leather in cloth textile accounts for 6% ~ 7% of microfiber leather, is only second to footwear and furniture market.The micro suede face fabric that Japan produces once monopolized world market before the beginning of the nineties in last century, and the later stage nineties occupation rate of market of Japan declines year by year, is 75% now, but the ability in Japan's domination cloth textile market changes not yet.
Cloth textile Glove suede requires a higher field in microfiber leather, and its technical difficulty is very large.The Glove suede cloth textile that Japan produces all uses PA, PET and PP superfine fibre, and main technical difficulty is that the thickness of cloth textile product only has 0.4 ~ 0.6mm, and will have higher brute force; Another technological difficulties are
Dyeing uniformity and color fastness existing problems.Most in cloth textile is figured islands-in-sea fiber, main cause is the line density of figured islands-in-sea fiber and length is fixing and uniform, and can not come off after napping, anti-pilling property is good, not easily occur the phenomenon of uneven dyeing during dyeing, color fastness is also relatively good.
Colouring problem due to PA superfine fibre is comparatively difficult to resolve certainly, and Japanese useful PET makes island phase, and the high-temperature pressure dyeing of PET relatively easily solves.The COPET/PET sea-island fibre that Shanghai Synthetic Fibre Inst produces, its alkali treatment is more difficult than COPET/PA sea-island fibre, needs to grope technique, also can with reference to the alkali treatment method weaving printing and dyeing.Cloth textile base cloth can be produced with needle point method, also can produce with water acupuncture manipulation.
In cloth textile field, domestic still few people set foot in, and huge superprofit is bound to attract manufacturer to go to attempt.
Summary of the invention
The object of the present invention is to provide a kind of compound sea-island fibre to synthesize eedle-punched non-wovens, there is the features such as soft, drapability good, plentiful, good permeability, fine hair are even.
Technical scheme of the present invention is: a kind of compound sea-island fibre synthesis eedle-punched non-wovens, described compound sea-island fibre synthesis eedle-punched non-wovens comprises outermost layer, intermediate layer and the outermost layer adhesive layer between intermediate layer, described outermost layer is polypropylene fibre, intermediate layer is islands-in-sea bicomponent fibre, the adhesive layer of described outermost layer between intermediate layer is epoxyn, described polypropylene fibre accounts for the 39%-52% of the overall component of compound sea-island fibre synthesis eedle-punched non-wovens, described islands-in-sea bicomponent fibre accounts for the 52%-58% of the overall component of compound sea-island fibre synthesis eedle-punched non-wovens, described epoxyn accounts for the 1%-2% of the overall component of compound sea-island fibre synthesis eedle-punched non-wovens.
In a preferred embodiment of the present invention, described epoxyn is carbon fibers adhere agent.
In a preferred embodiment of the present invention, described polypropylene fibre accounts for 42% of the overall component of compound sea-island fibre synthesis eedle-punched non-wovens, described islands-in-sea bicomponent fibre accounts for 57% of the overall component of compound sea-island fibre synthesis eedle-punched non-wovens, and described epoxyn accounts for 1% of the overall component of compound sea-island fibre synthesis eedle-punched non-wovens.
A kind of compound sea-island fibre synthesis eedle-punched non-wovens of the present invention, has the features such as soft, drapability good, plentiful, good permeability, fine hair are even.
Detailed description of the invention
Be described in detail below in conjunction with to preferred embodiment of the present invention, can be easier to make advantages and features of the invention be readily appreciated by one skilled in the art, thus more explicit defining is made to protection scope of the present invention.
In one embodiment, a kind of compound sea-island fibre synthesis eedle-punched non-wovens of the present invention, described compound sea-island fibre synthesis eedle-punched non-wovens comprises outermost layer, intermediate layer and the outermost layer adhesive layer between intermediate layer, described outermost layer is polypropylene fibre, intermediate layer is islands-in-sea bicomponent fibre, the adhesive layer of described outermost layer between intermediate layer is epoxyn, described polypropylene fibre accounts for the 39%-52% of the overall component of compound sea-island fibre synthesis eedle-punched non-wovens, described islands-in-sea bicomponent fibre accounts for the 52%-58% of the overall component of compound sea-island fibre synthesis eedle-punched non-wovens, described epoxyn accounts for the 1%-2% of the overall component of compound sea-island fibre synthesis eedle-punched non-wovens.
Further illustrate, described epoxyn is carbon fibers adhere agent, described polypropylene fibre accounts for 42% of the overall component of compound sea-island fibre synthesis eedle-punched non-wovens, described islands-in-sea bicomponent fibre accounts for 57% of the overall component of compound sea-island fibre synthesis eedle-punched non-wovens, and described epoxyn accounts for 1% of the overall component of compound sea-island fibre synthesis eedle-punched non-wovens.
Further illustrate, polypropylene fibre makes raw material through the fiber be polymerized, melt spinning is obtained by propylene.Polypropylene fibre formally starts suitability for industrialized production in nineteen fifty-seven, is the up-and-coming youngster in synthetic fibers.Because polypropylene fibre has production technology simply, the advantages such as product is inexpensive, and intensity is high, and relative density is light, so polypropylene fibre develops very fast.Current polypropylene fibre has been the fourth-largest kind of synthetic fibers, is fiber the lightest in general chemical fiber.The production of polypropylene fibre comprises short fiber, long filament and fibrilled film fibre etc.Polypropylene fibre membrane fiber is that polypropylene is first made film, then stretches to film, and making it split into, that fibril forms is netted and obtained.The kind of polypropylene fibre has long filament (comprising non-modified continuous filament and varicosity modified continuous filament), short fiber, bristlelike monofilament, film-fibre, doughnut, profiled filament, various composite fibre and bonded fabric etc.Main application makes carpet (comprising carpet backing and matte), bunting, furniture stuff, various rope, band, fishing net, asphalt felt, building reinforcing material, packaging material and industrial cloth, as filter cloth, bagging etc.This external clothing aspect application is also increasingly extensive, can make dissimilar blend fabric, can make shirt, coat, sweat shirt, socks etc. with multiple fiber blend after knitting processing.The wadding quilt be made up of polypropylene fibre doughnut, light weight, warming, elasticity is good.Polypropylene fibre does not contain the chemical group that can be combined with dyestuff on macromolecular structure, so dyeing is more difficult.Usual employing melt pigmentation, mixes in screw extruder equably by pigment preparation and polypropylene polymers, obtains colored fibre color fastness very high through melt-spun.Another kind method is and copolymerization or the graft copolymerization such as acrylic acid, acrylonitrile, vinylpyridine, make polymer macromolecule to be introduced the polar group that can combine with dyestuff, more direct conventional method dyes.Often need to add various additive to improve dyeability, light resistance and flame resistance in the process that polypropylene fibre is produced.
Islands-in-sea bicomponent fibre has following characteristics: (1) high spreadability: along with the reduction of fibre number, diameter attenuates, and the surface area of Unit Weight fiber increases.Along with the increase of surface area, the covering power of fiber increases, and moisture pick-up properties improves greatly.(2) soft, comfortable and easy to wear: because fiber is ultra-fine, fiber is more soft, makes fabric, the core sucting action of capillary can be produced, make fabric adsorb more juicy, and these moisture can be moved to fabric face, make it evaporate, add the comfort of dress.(3) fabric sheen is soft: the diameter of superfine fibre is less, and the radius of curvature of fiber is less, and the ratio that the scattered light of its surface reflection accounts for is larger, makes the tone of fabric face softer.Processed by the design of fabric, utilize sea-island fibre thin fibrillation feature extremely, many special Fabric Style can be obtained, as Hair style, Glove suede, super high density fabric etc.This kind fabric can be widely used in clothes, dress ornament field, case and bag, indoor article and industrial field etc.Many performances of the flock suede fabric utilizing sea-island fibre to develop also not second to natural suede, have many performances to be even better than natural suede.Its fabrics feel soft, drapability is good, and quality is frivolous, is the half of corium, can be made into the fabric of different-thickness and weight; Can all surface treatments be carried out, obtain panoramic surface effect.There is writing effect on surface, and third dimension is good; Damp and hot contraction distortion is little, and have the saturating vapour effect of good air permeable waterproof, fabric intensity is high, is much better than natural suede.The invention provides a kind of compound sea-island fibre synthesis eedle-punched non-wovens, there is the features such as soft, drapability good, plentiful, good permeability, fine hair are even.
The specific embodiment of the present invention; but protection scope of the present invention is not limited thereto; any those of ordinary skill in the art are in the technical scope disclosed by the present invention, and the change can expected without creative work or replacement, all should be encompassed within protection scope of the present invention.Therefore, the protection domain that protection scope of the present invention should limit with claims is as the criterion.
Claims (3)
1. a compound sea-island fibre synthesis eedle-punched non-wovens, it is characterized in that: described compound sea-island fibre synthesis eedle-punched non-wovens comprises outermost layer, intermediate layer and the outermost layer adhesive layer between intermediate layer, described outermost layer is polypropylene fibre, intermediate layer is islands-in-sea bicomponent fibre, the adhesive layer of described outermost layer between intermediate layer is epoxyn, described polypropylene fibre accounts for the 39%-52% of the overall component of compound sea-island fibre synthesis eedle-punched non-wovens, described islands-in-sea bicomponent fibre accounts for the 52%-58% of the overall component of compound sea-island fibre synthesis eedle-punched non-wovens, described epoxyn accounts for the 1%-2% of the overall component of compound sea-island fibre synthesis eedle-punched non-wovens.
2. compound sea-island fibre synthesis eedle-punched non-wovens according to claim 1, is characterized in that: described epoxyn is carbon fibers adhere agent.
3. compound sea-island fibre synthesis eedle-punched non-wovens according to claim 1, it is characterized in that: described polypropylene fibre accounts for 42% of the overall component of compound sea-island fibre synthesis eedle-punched non-wovens, described islands-in-sea bicomponent fibre accounts for 57% of the overall component of compound sea-island fibre synthesis eedle-punched non-wovens, and described epoxyn accounts for 1% of the overall component of compound sea-island fibre synthesis eedle-punched non-wovens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510930976.3A CN105479872A (en) | 2015-12-15 | 2015-12-15 | Composite sea-island fiber synthetic needle-punched fabric |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510930976.3A CN105479872A (en) | 2015-12-15 | 2015-12-15 | Composite sea-island fiber synthetic needle-punched fabric |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105479872A true CN105479872A (en) | 2016-04-13 |
Family
ID=55667298
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510930976.3A Pending CN105479872A (en) | 2015-12-15 | 2015-12-15 | Composite sea-island fiber synthetic needle-punched fabric |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105479872A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106079703A (en) * | 2016-06-21 | 2016-11-09 | 如皋市光华科技创业服务有限公司 | A kind of four-in-one toughness new material |
| CN118825554A (en) * | 2024-06-27 | 2024-10-22 | 安徽会通新能源科技有限公司 | A fiber cloth-based battery separator and its processing technology |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202507611U (en) * | 2012-04-05 | 2012-10-31 | 泉州三川织造有限公司 | Air-permeable fabric |
| CN103600535A (en) * | 2013-11-19 | 2014-02-26 | 常熟市一心无纺制品有限公司 | Moisture-proof non-woven fabric |
| EP2821533A1 (en) * | 2012-02-27 | 2015-01-07 | Toray Industries, Inc. | Island-in-sea fiber, combined filament yarn and textile product |
| CN204491166U (en) * | 2015-01-13 | 2015-07-22 | 福建南纺有限责任公司 | A kind of compound island fiber synthetic leather base cloth |
-
2015
- 2015-12-15 CN CN201510930976.3A patent/CN105479872A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2821533A1 (en) * | 2012-02-27 | 2015-01-07 | Toray Industries, Inc. | Island-in-sea fiber, combined filament yarn and textile product |
| CN202507611U (en) * | 2012-04-05 | 2012-10-31 | 泉州三川织造有限公司 | Air-permeable fabric |
| CN103600535A (en) * | 2013-11-19 | 2014-02-26 | 常熟市一心无纺制品有限公司 | Moisture-proof non-woven fabric |
| CN204491166U (en) * | 2015-01-13 | 2015-07-22 | 福建南纺有限责任公司 | A kind of compound island fiber synthetic leather base cloth |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106079703A (en) * | 2016-06-21 | 2016-11-09 | 如皋市光华科技创业服务有限公司 | A kind of four-in-one toughness new material |
| CN118825554A (en) * | 2024-06-27 | 2024-10-22 | 安徽会通新能源科技有限公司 | A fiber cloth-based battery separator and its processing technology |
| CN118825554B (en) * | 2024-06-27 | 2025-11-04 | 安徽会通新能源科技有限公司 | A fiber cloth-based battery separator and its processing technology |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160413 |
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