CN103510397A - Polyurethane artificial leather processing technology - Google Patents
Polyurethane artificial leather processing technology Download PDFInfo
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- CN103510397A CN103510397A CN201310457565.8A CN201310457565A CN103510397A CN 103510397 A CN103510397 A CN 103510397A CN 201310457565 A CN201310457565 A CN 201310457565A CN 103510397 A CN103510397 A CN 103510397A
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Abstract
The invention discloses a polyurethane artificial leather processing technology which comprises the following steps: firstly blending and uniformly stirring polyurethane resin, calcium carbonate powder, wood powder, color paste, DMF (dimethyl formamide) and a leather auxiliary, coating the mixture on one surface of a piece of base cloth, repeatedly washing with water and extruding, coating the mixture of the resin, the color paste, the DMF and methyl ester on one surface with a pattern of release paper, adhering the pattern surface of the release paper and a coating surface of a wet process base, drying at the temperature of 130 DEG C, cooling, and separating the release paper from the base to obtain the artificial leather. The leather produced through the processing technology provided by the invention has excellent air permeability and moisture penetrability.
Description
Technical field
The present invention relates to a kind of polyurethane artificial leather processing technology.
Background technology
Artificial leather is since nineteen forties comes out, and because the aspects such as its outward appearance, feel, wholesomeness have adapted to people's demand, demand expanding day, has expanded the Application Areas of artificial leather greatly, and technique, technology have all obtained very fast development.
Chinese patent ZL98100526.8 discloses a kind of method for making of high-strength thermoplastic polyurethane leatheret, by Polyurethane Thermoplastic Elastomer resin (TPu) 100PHR, add polyolefin 0 ~ 30 PHR, lubrication prescription 0 ~ 20 PHR, filler 0 ~ 20PHR, modification agent 0 ~ 20PHR, colouring agent 0 ~ 15PHR and make batch, this batch is after 100 ℃ ~ 240 ℃ mixed meltings, via one deck, two layers, three layers or the common extruder of multilayer, the film forming machine that calender is selected, obtain the film of thickness 0.02mm to 6.omm, fit again or coat surface temperature and remain on room temperature to a kind of base cloth of 200 ℃ of preheatings, again through embossing or surface treatment and make leatheret, described base cloth selects free polyester, rayon, cotton, nylon, polypropylene, wool, fiber crops, polyurethanes, polyacrylonitrile, polybutadiene, polystyrene, what polymethyl methacrylate and derivative thereof were made weaves cotton cloth or nonwoven fabric.This complex process, and the leather gas permeability of making is bad.
Chinese patent ZL97108231.6 discloses a kind of method for making of high-strength thermoplastic polyurethane leatheret, by Polyurethane Thermoplastic Elastomer resin (TPu) 100PHR, add polyolefin 0 ~ 30 PHR, lubrication prescription 0 ~ 20 PHR, filler 0 ~ 20PHR, modification agent 0 ~ 20PHR, colouring agent 0 ~ 15PHR and make batch, this batch is after 100 ℃ ~ 240 ℃ mixed meltings, via one deck, two layers, three layers or the common extruder of multilayer, the film forming machine that calender is selected, obtain the film of thickness 0.02mm to 6.omm, fit again or coat surface temperature and remain on room temperature to a kind of base cloth of 200 ℃ of preheatings, again through embossing or surface treatment and make leatheret, described base cloth selects free polyester, rayon, cotton, nylon, polypropylene, wool, fiber crops, polyurethanes, polyacrylonitrile, polybutadiene, polystyrene, what polymethyl methacrylate and derivative thereof were made weaves cotton cloth or nonwoven fabric.This complex process, and the leather gas permeability of making is bad.
Summary of the invention
The technical problem that the present invention mainly solves is to provide a kind of improved polyurethane artificial leather processing technology, for the production of the artificial leather that goes out to have fine air permeability and poisture-penetrability.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is:
Polyurethane artificial leather processing technology, is characterized in that, comprises the following steps:
(S1) wet method raw material preparation: polyurethane resin, Paris white, wood powder, mill base, DMF and leather agent are mixed and stirred;
(S2) raw material applies: clean base cloth and dry, the above-mentioned raw material stirring is evenly coated in to the impregnation in DMF impregnating groove of base cloth one side, solidifies;
(S3) repeatedly wash, push after above-mentioned base cloth, tuck, oven dry, water cooling, obtain wet method bass, and wherein bake out temperature is 120 ℃ ~ 140 ℃;
(S4) resin, toner, DMF, methyl esters are stirred, and filtering residue;
(S5) mixture stirring in step (S4) is coated in to the textured one side of release liners, and dries half-driedly, residual moisture content is 50%;
(S6) by the coated side laminating of the lines face of above-mentioned release liners and wet method bass, dry with 130 ℃, cooling, release liners is separated with bass, obtain dermatine.
Wherein, in step (S1), each raw material weight percentage is respectively: polyurethane resin 80%, Paris white 4%, wood powder 4%, leather agent 12%.
Wherein, step (S1) leather agent comprises: defoamer, bleeding agent, levelling agent.
Beneficial effect of the present invention:
(1) due in process, the base cloth that has applied raw material is repeatedly washed, pushed, wash away DMF solvent, accelerate the curing molding of polyurethane resin, improved the fungicidal properties of leather;
(2) processing technology of the present invention by wet method and dry method in conjunction with the leather of producing, at aspects such as mechanical strength, crooked fastness, acid and alkali-resistance, water-fast, oil resistant, weatherabilities, be all better than natural leather, be particularly suitable under environment and high strength, high humility, a large amount of moving condition, using disliking slightly;
(3) the leather object Physicochemical excellent performance that the present invention makes, designs and varieties have diversity, of many uses; Leather body homogeneous is poor without position, goes out sanction rate high, and leather surface utilization rate, up to 98%, is much better than natural leather.
The specific embodiment
By describing technology contents of the present invention, structural feature in detail, being realized object and effect, below in conjunction with embodiment, be explained in detail.
Polyurethane artificial leather processing technology, comprises the following steps:
(S1) raw material preparation: polyurethane resin, Paris white, wood powder, mill base, DMF and leather agent are prepared and stirred, and can, through vacuumizing and defoaming, remove by filter insoluble bulky grain;
Here auxiliary agent includes, but are not limited to defoamer, bleeding agent, levelling agent, can also be other function additive as hydrolysis, fire-retardant, variable color, antibiotic, temperature adjustment, uvioresistant etc.;
(S2) raw material applies: clean base cloth and dry, the above-mentioned raw material stirring is evenly coated in to wherein one side of base cloth, after impregnation in DMF impregnating groove, then solidifying in coagulating basin; Here base cloth can be woven fabric, knitted cloth, non-weaving cloth; After the impregnation of DMF impregnating groove, can improve the permeability of DMF;
(S3) above-mentioned base cloth is repeatedly washed, is pushed in hopper, to remove other chemical assistants of DMF agent, then through tuck, oven dry, cooling after, obtain wet method bass, wherein bake out temperature is 120 ℃ ~ 140 ℃, so far, wet method processing part completes; Here rinsing machine extruding Main Function is the DMF solvent washing away in leather goods repeatedly, accelerates the curing molding of polyurethane resin;
(S4) resin, toner, DMF, methyl esters are stirred, and the insoluble bulky grain of filtering and residue;
(S5) mixture stirring in step (S4) is coated in to the textured one side of release liners, and dries half-driedly, residual moisture content is 50%;
(S6) by the coated side laminating of the lines face of above-mentioned release liners and wet method bass, after drying and fit with 130 ℃, cooling, release liners is separated with bass, obtain dermatine.
As a preferred embodiment, in step (S1), each raw material weight percentage respectively: polyurethane resin 80%, Paris white 4%, wood powder 4%, leather agent 12%.
These are only embodiments of the invention; not thereby limit the scope of the claims of the present invention; every equivalent structure or conversion of equivalent flow process that utilizes description of the present invention to do, or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (3)
1. polyurethane artificial leather processing technology, is characterized in that, comprises the following steps:
(S1) wet method raw material preparation: polyurethane resin, Paris white, wood powder, mill base, DMF and leather agent are mixed and stirred;
(S2) raw material applies: clean base cloth and dry, the above-mentioned raw material stirring is evenly coated in to the impregnation in DMF impregnating groove of base cloth one side, solidifies;
(S3) repeatedly wash, push after above-mentioned base cloth, tuck, oven dry, water cooling, obtain wet method bass, and wherein bake out temperature is 120 ℃ ~ 140 ℃;
(S4) resin, toner, DMF, methyl esters are stirred, and filtering residue;
(S5) mixture stirring in step (S4) is coated in to the textured one side of release liners, and dries half-driedly, residual moisture content is 50%;
(S6) by the coated side laminating of the lines face of above-mentioned release liners and wet method bass, dry with 130 ℃, cooling, release liners is separated with bass, obtain dermatine.
2. polyurethane artificial leather processing technology according to claim 1, is characterized in that, in step (S1), each raw material weight percentage respectively: polyurethane resin 80%, Paris white 4%, wood powder 4%, leather agent 12%.
3. polyurethane artificial leather processing technology according to claim 2, is characterized in that, step (S1) leather agent comprises: defoamer, bleeding agent, levelling agent.
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| CN201310457565.8A CN103510397A (en) | 2013-09-30 | 2013-09-30 | Polyurethane artificial leather processing technology |
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| CN201310457565.8A CN103510397A (en) | 2013-09-30 | 2013-09-30 | Polyurethane artificial leather processing technology |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104499301A (en) * | 2014-11-17 | 2015-04-08 | 杭州苏威进出囗有限公司 | Preparation technology for synthesizing leather by durable environmental protection wet-type PU |
| CN105239415A (en) * | 2015-08-26 | 2016-01-13 | 安徽冠宜箱包有限公司 | Artificial leather luggage having refreshing fragrance and preparation method thereof |
| CN105525514A (en) * | 2016-02-23 | 2016-04-27 | 华伦皮塑（苏州）有限公司 | Production method of environment-friendly high-grade office chair leather |
| CN106592264A (en) * | 2016-12-30 | 2017-04-26 | 浙江聚得利合成革有限公司 | Production technology of injection molded Nappa |
| CN108978245A (en) * | 2018-07-20 | 2018-12-11 | 东莞市科迪实业有限公司 | A kind of coating formula of permeable fiber leather |
| CN109853254A (en) * | 2019-02-28 | 2019-06-07 | 扬州工业职业技术学院 | A kind of middle hard mirror surface polyurethane wet bass and preparation method thereof |
| CN110406226A (en) * | 2019-07-25 | 2019-11-05 | 浙江路联装饰材料有限公司 | A kind of processing method of soft low smell foaming decoration leather |
| CN110644246A (en) * | 2019-09-16 | 2020-01-03 | 安徽安利材料科技股份有限公司 | Polyurethane synthetic leather for moisture-absorbing and breathable shoe lining and preparation method thereof |
| CN112812337A (en) * | 2020-12-31 | 2021-05-18 | 福建省尤溪县益康制革有限公司 | Non-cloth leather for grip and preparation method thereof |
| CN112876645A (en) * | 2021-02-02 | 2021-06-01 | 福建兴宇树脂有限公司 | High-filling high-stripping polyurethane resin and preparation method thereof |
| CN114960221A (en) * | 2022-05-16 | 2022-08-30 | 长春盖尔瑞孚艾斯曼汽车零部件有限公司 | Method for manufacturing leather with wood grain or stone grain patterns |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101440578A (en) * | 2008-12-19 | 2009-05-27 | 安徽安利合成革股份有限公司 | Novel waterproof air previous polyurethane artificial leather and preparation thereof |
| CN102359024A (en) * | 2011-08-15 | 2012-02-22 | 浙江科一合成革有限公司 | Polyurethane ultrafine fiber synthetic leather and preparation method thereof |
| CN102965965A (en) * | 2012-11-27 | 2013-03-13 | 安徽安利合成革股份有限公司 | Preparation method of abrasion-resistant hydrolyzation-resistant polyurethane synthetic leather |
| CN102978965A (en) * | 2012-12-26 | 2013-03-20 | 安徽安利合成革股份有限公司 | Method for preparing ultra-soft high-elastic polyurethane leather |
-
2013
- 2013-09-30 CN CN201310457565.8A patent/CN103510397A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101440578A (en) * | 2008-12-19 | 2009-05-27 | 安徽安利合成革股份有限公司 | Novel waterproof air previous polyurethane artificial leather and preparation thereof |
| CN102359024A (en) * | 2011-08-15 | 2012-02-22 | 浙江科一合成革有限公司 | Polyurethane ultrafine fiber synthetic leather and preparation method thereof |
| CN102965965A (en) * | 2012-11-27 | 2013-03-13 | 安徽安利合成革股份有限公司 | Preparation method of abrasion-resistant hydrolyzation-resistant polyurethane synthetic leather |
| CN102978965A (en) * | 2012-12-26 | 2013-03-20 | 安徽安利合成革股份有限公司 | Method for preparing ultra-soft high-elastic polyurethane leather |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104499301A (en) * | 2014-11-17 | 2015-04-08 | 杭州苏威进出囗有限公司 | Preparation technology for synthesizing leather by durable environmental protection wet-type PU |
| CN104499301B (en) * | 2014-11-17 | 2016-05-11 | 杭州苏威进出囗有限公司 | A kind of preparation technology of durability environ mental protective wet type Pu synthetic leather |
| CN105239415A (en) * | 2015-08-26 | 2016-01-13 | 安徽冠宜箱包有限公司 | Artificial leather luggage having refreshing fragrance and preparation method thereof |
| CN105525514A (en) * | 2016-02-23 | 2016-04-27 | 华伦皮塑（苏州）有限公司 | Production method of environment-friendly high-grade office chair leather |
| CN106592264A (en) * | 2016-12-30 | 2017-04-26 | 浙江聚得利合成革有限公司 | Production technology of injection molded Nappa |
| CN108978245A (en) * | 2018-07-20 | 2018-12-11 | 东莞市科迪实业有限公司 | A kind of coating formula of permeable fiber leather |
| CN109853254A (en) * | 2019-02-28 | 2019-06-07 | 扬州工业职业技术学院 | A kind of middle hard mirror surface polyurethane wet bass and preparation method thereof |
| CN109853254B (en) * | 2019-02-28 | 2021-08-03 | 扬州工业职业技术学院 | Medium-hard mirror polyurethane wet base and preparation method thereof |
| CN110406226A (en) * | 2019-07-25 | 2019-11-05 | 浙江路联装饰材料有限公司 | A kind of processing method of soft low smell foaming decoration leather |
| CN110644246A (en) * | 2019-09-16 | 2020-01-03 | 安徽安利材料科技股份有限公司 | Polyurethane synthetic leather for moisture-absorbing and breathable shoe lining and preparation method thereof |
| CN110644246B (en) * | 2019-09-16 | 2022-04-05 | 安徽安利材料科技股份有限公司 | Polyurethane synthetic leather for moisture-absorbing and breathable shoe lining and preparation method thereof |
| CN112812337A (en) * | 2020-12-31 | 2021-05-18 | 福建省尤溪县益康制革有限公司 | Non-cloth leather for grip and preparation method thereof |
| CN112812337B (en) * | 2020-12-31 | 2023-06-23 | 福建省尤溪县益康制革有限公司 | Cloth-free leather for grip and preparation method thereof |
| CN112876645A (en) * | 2021-02-02 | 2021-06-01 | 福建兴宇树脂有限公司 | High-filling high-stripping polyurethane resin and preparation method thereof |
| CN114960221A (en) * | 2022-05-16 | 2022-08-30 | 长春盖尔瑞孚艾斯曼汽车零部件有限公司 | Method for manufacturing leather with wood grain or stone grain patterns |
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Application publication date: 20140115 |