CN1570245A - Process for production of pressure resistant high-frequency ultra-fine fabric leather based cloth - Google Patents
Process for production of pressure resistant high-frequency ultra-fine fabric leather based cloth Download PDFInfo
- Publication number
- CN1570245A CN1570245A CNA2004100240444A CN200410024044A CN1570245A CN 1570245 A CN1570245 A CN 1570245A CN A2004100240444 A CNA2004100240444 A CN A2004100240444A CN 200410024044 A CN200410024044 A CN 200410024044A CN 1570245 A CN1570245 A CN 1570245A
- Authority
- CN
- China
- Prior art keywords
- base cloth
- sea
- polyurethane resin
- high frequency
- superfine fiber
- 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
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- 239000004744 fabric Substances 0.000 title claims abstract description 26
- 239000010985 leather Substances 0.000 title claims abstract description 24
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 14
- 238000000034 method Methods 0.000 title claims description 6
- 239000000835 fiber Substances 0.000 claims abstract description 24
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000000463 material Substances 0.000 claims abstract description 15
- 229920005749 polyurethane resin Polymers 0.000 claims abstract description 13
- 238000012545 processing Methods 0.000 claims abstract description 7
- 239000000203 mixture Substances 0.000 claims description 14
- 239000002131 composite material Substances 0.000 claims description 11
- 239000004745 nonwoven fabric Substances 0.000 claims description 9
- 229920002292 Nylon 6 Polymers 0.000 claims description 8
- 239000000126 substance Substances 0.000 claims description 7
- 238000005470 impregnation Methods 0.000 claims description 6
- 239000004698 Polyethylene Substances 0.000 claims description 5
- -1 polyethylene Polymers 0.000 claims description 5
- 229920000573 polyethylene Polymers 0.000 claims description 5
- 238000001467 acupuncture Methods 0.000 claims description 4
- 239000000243 solution Substances 0.000 claims description 4
- 239000007864 aqueous solution Substances 0.000 claims description 3
- 239000000155 melt Substances 0.000 claims description 3
- WHQSYGRFZMUQGQ-UHFFFAOYSA-N n,n-dimethylformamide;hydrate Chemical compound O.CN(C)C=O WHQSYGRFZMUQGQ-UHFFFAOYSA-N 0.000 claims description 2
- 239000002649 leather substitute Substances 0.000 abstract description 5
- 238000009987 spinning Methods 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 2
- 230000015271 coagulation Effects 0.000 abstract 1
- 238000005345 coagulation Methods 0.000 abstract 1
- 239000004615 ingredient Substances 0.000 abstract 1
- 230000008521 reorganization Effects 0.000 abstract 1
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 13
- 238000005516 engineering process Methods 0.000 description 4
- 239000002904 solvent Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000007062 hydrolysis Effects 0.000 description 2
- 238000006460 hydrolysis reaction Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000003301 hydrolyzing effect Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Landscapes
- Synthetic Leather, Interior Materials Or Flexible Sheet Materials (AREA)
Abstract
One pressure resistance high frequency superfine fiber leather base cloth production method, uses the double component altogether to mix the spinning law production island superfine fiber, after makes the adhesive-bonded fabric base material, contains soaks and high elasticity, high thermal stability, high wear resistant polyurethane resin, carries on coagulation processing using the DMF solution after the polyurethane resin, then uses the lukewarm water completely to wash DMF, after use toluene solution island superfine fiber in 'sea' the ingredient extract comes out, performs chemistry to be soft, expands walking and the soft reorganization, may make results in the pressure resistance high frequency, high strips, bears the hydrolisis superfine fiber shoes material base cloth, Further enhances the artificial leather product scale.
Description
Affiliated technical field
The present invention relates to the production method technical field of artificial leather, more particularly relate to a kind of superfiber leather base cloth production method.
Background technology
Pressure resistance high frequency is the specific (special) requirements of shoe-making industry to the footwear material, press high frequency to be meant and carry out the moment hot pressure at leather surface with 180 ℃ or higher temperature, suppress floral designs, brand logo or special texture at leather surface, to strengthen visual effect, improve the class of leather and fur products, it requires leather after pressing the high frequency processing, and its peel strength should be greater than 80N.Along with the continuous development of composite fibre manufacturing technology, the performance of artificial leather is also improving constantly, and has obtained application more and more widely at shoe industry.But the defective of existing superfine fiber chemical leather ubiquity pressure resistance high frequency difference, after pressing high frequency to handle, surface detail or texture are fuzzy, and the then pressure resistance high frequency not that has is difficult to reach the instructions for use of expensive goods, has limited the further raising of product specification.
Summary of the invention
Purpose of the present invention is exactly at the deficiencies in the prior art, and a kind of superfiber leather base cloth of pressure resistance high frequency is provided, with the class of further raising artificial leather goods.
For achieving the above object, the superfiber leather base cloth production method of pressure resistance high frequency of the present invention may further comprise the steps:
A, the melt and dissolved spin processes of the two component blends of employing are produced sea-island composite fiber, and wherein Hai composition is a polyethylene, and the composition on island is a nylon-6, and the nylon-6 component accounts for the 40-70% of fibre weight;
B, above-mentioned sea-island composite fiber is made non-woven fabrics base material through shredding, combing, lapping, acupuncture;
C, with non-woven fabrics base material impregnation polyurethane resin, utilize the DMF aqueous solution that polyurethane resin is solidified processing then after, with warm water DMF is washed out again;
D, utilize toluene solution that the composition in " sea " in the sea-island composite fiber is extracted, make and only contain nylon-6 and two kinds of compositions of polyurethane resin in the base cloth;
E, the base cloth that steps d is made carry out the typing of chemical softening and expanding successively to be handled and soft finish, can make pressure resistance high frequency, height peels off, hydrolysis superfiber leather base cloth.
The superfine fiber polyurethane leather base cloth that utilizes the inventive method to produce is as good as with corium in appearance, good hand touch, extension power is strong, particularly the pressure resistance high frequency performance improves greatly, can satisfy in the specific (special) requirements to the footwear material such as surface compacting floral designs, brand logo or special texture, be beneficial to tractive, hot pressure and high-temperature operation in the shoemaking process, and can not occur with the fold phenomenon and the orange peel phenomenon that cause in the corium manufacturing process, even structure, but all cuttings in all its bearings, having improved the product utilization rate, is the ideal material that substitutes natural leather.With sport footwear, the playshoes surfacing of its making, good looking appearance can be resisted big deformation, further improves the class of artificial leather goods.Table one is the superfiber leather footwear material base cloth of pressure resistance high frequency of the present invention and contrast experiment's data of prior art superfine fiber chemical leather physical property, and test result shows that superfiber leather base cloth of the present invention all is being better than present common superfiber leather aspect the performance indications such as fracture strength, tearing strength, peel strength, hydrolytic resistance.
Table one:
| Project | Existing common superfine fiber chemical leather | The super fine footwear material base cloth of pressure resistance high frequency | |
| Thickness (mm) | ????1.50 | ????1.48 | |
| Density (g/mm 3) | ????0.472 | ????0.436 | |
| Tensile load (N/cm) | Warp-wise | ????231 | ????289 |
| Broadwise | ????201 | ????322 | |
| Elongation at break (%) | Warp-wise | ????70 | ????90 |
| Broadwise | ????140 | ????102 | |
(continuous table one)
| Project | Existing common superfine fiber chemical leather | The super fine footwear material base cloth of pressure resistance high frequency | |
| Tear load (N) | Warp-wise | ????95 | ????117 |
| Broadwise | ????87 | ????92 | |
| Peel load (N/3cm) | Warp-wise | ????90 | ????166 |
| Broadwise | ????90 | ????154 | |
| Peel load behind the hydrolysis (N/cm) | Warp-wise | ????- | ????152 |
| Broadwise | ????- | ????148 | |
| Peel load (N/cm) behind the pressure high frequency | Warp-wise | ????- | ????112 |
| Broadwise | ????- | ????108 | |
The specific embodiment
The superfiber leather base cloth production method specific embodiment of pressure resistance high frequency of the present invention is as follows:
A, the melt and dissolved spining technology of the two component blends of employing are produced sea-island composite fiber, wherein Hai composition is a polyethylene, the composition on island is a nylon-6, the nylon-6 component accounts for the 40%-70% of fibre weight, through batch mixing, spinning, oil, drawing-off, curl, operations such as typing, cut-out make (3-7) D * (51-65) sea-island composite fiber of mm, require fiber strength and fineness evenly, oil content and crispation number is stable, separating effect is clear after the solvent decrement;
B, utilize the nonwoven fabric manufacturing equipment that sea-island composite fiber is made average grammes per square metre through shredding, combing, lapping, acupuncture to be 300g/m
2-800g/m
2, thickness is the non-woven fabrics base material of 1.4mm-3.0mm, requires non-woven fabrics base material surfacing, thickness even;
The needling density of its acupuncture 〉=1000 pins/cm
2, nonwoven fabric density 〉=0.22g/m
2
C, enter the wet method operation with non-woven fabrics base material impregnation high elasticity, high-fire resistance, high-wearing feature polyurethane resin, polyurethane resin concentration is controlled at 15%-30% and is advisable, the impregnation time is controlled at 5min-20min, adopts five to soak five technologies of rolling, and guarantees that the base cloth impregnation is saturating, even; Enter then and solidify operation, use the aqueous solution of DMF (dimethyl formamide) that polyurethane resin is solidified processing, requiring the DMF solution concentration is 20%-60%, and temperature is 20 ℃-60 ℃, setting time is controlled at 30min-60min, guarantees that polyurethane resin can solidify in DMF solution fully; Enter washing step then, adopt 30 ℃-50 ℃ warm water, the whole waters of the solvent (DMF) of polyurethane resin are washed out;
D, solvent decrement separation circuit, technological principle is to utilize polyethylene can dissolve in the characteristics of hot toluene, use 80 ℃-90 ℃ hot toluene that the composition in " sea " in the sea-island composite fiber is extracted, form the structure of similar natural leather, reclaim the toluene and the polyethylene that produce in the production process simultaneously, reach and reduce production costs the purpose of minimizing environmental pollution;
E, the base cloth that steps d is made carry out chemical softening and expanding typing processing, require the softener consumption at 5%-25%, and the impregnation time is controlled at 5min-10min, guarantees that base cloth has good hand feeling; Carry out soft finish at last, the mode of utilizing wind-force or beaing is eliminated the internal stress of base cloth, makes base cloth soft, plentiful, and high resilience reaches the effect of natural leather.
Claims (1)
1, a kind of superfiber leather base cloth production method of pressure resistance high frequency is characterized in that may further comprise the steps:
A, the melt and dissolved spin processes of the two component blends of employing are produced sea-island composite fiber, and wherein Hai composition is a polyethylene, and the composition on island is a nylon-6, and the nylon-6 component accounts for the 40-70% of fibre weight;
B, above-mentioned sea-island composite fiber is made non-woven fabrics base material through shredding, combing, lapping, acupuncture;
C, with non-woven fabrics base material impregnation polyurethane resin, utilize the DMF aqueous solution that polyurethane resin is solidified processing then after, with warm water DMF is washed out again;
D, utilize toluene solution that the composition in " sea " in the sea-island composite fiber is extracted, make and only contain nylon-6 and two kinds of compositions of polyurethane resin in the base cloth;
E, the base cloth that steps d is made carry out chemical softening and expanding typing processing and soft finish successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2004100240444A CN1570245A (en) | 2004-04-26 | 2004-04-26 | Process for production of pressure resistant high-frequency ultra-fine fabric leather based cloth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2004100240444A CN1570245A (en) | 2004-04-26 | 2004-04-26 | Process for production of pressure resistant high-frequency ultra-fine fabric leather based cloth |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1570245A true CN1570245A (en) | 2005-01-26 |
Family
ID=34480453
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2004100240444A Pending CN1570245A (en) | 2004-04-26 | 2004-04-26 | Process for production of pressure resistant high-frequency ultra-fine fabric leather based cloth |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1570245A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101184888B (en) * | 2005-06-21 | 2010-10-13 | 可乐丽股份有限公司 | Grain leather-like sheet having excellent scratch resistance and abrasion resistance |
| CN106436340A (en) * | 2016-10-26 | 2017-02-22 | 山东友谊机械有限公司 | Production method of microfiber leather having conductive performance |
-
2004
- 2004-04-26 CN CNA2004100240444A patent/CN1570245A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101184888B (en) * | 2005-06-21 | 2010-10-13 | 可乐丽股份有限公司 | Grain leather-like sheet having excellent scratch resistance and abrasion resistance |
| CN106436340A (en) * | 2016-10-26 | 2017-02-22 | 山东友谊机械有限公司 | Production method of microfiber leather having conductive performance |
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