CN103361988A - Ecological type water-based synthetic leather - Google Patents
Ecological type water-based synthetic leather Download PDFInfo
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- CN103361988A CN103361988A CN2012100844909A CN201210084490A CN103361988A CN 103361988 A CN103361988 A CN 103361988A CN 2012100844909 A CN2012100844909 A CN 2012100844909A CN 201210084490 A CN201210084490 A CN 201210084490A CN 103361988 A CN103361988 A CN 103361988A
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Abstract
The invention relates to ecological type water-based synthetic leather which comprises a dry layer, a foaming layer, a bonding layer and a base material, and is characterized in that the dry layer, the foaming layer, the bonding layer and the base material are sequentially compounded in a layered way; and the dry layer, the foaming layer and the bonding layer are made from water-based resin. The product does not change the physical properties of solvent type synthetic leather, the whole leather layer structure adopts the non-toxic, harmless, safe and environment-friendly water-based material, and all the links of the whole production process are maintained to be clean and environment-friendly, so that the ecological type water-based synthetic leather is completely environment-friendly. The ecological type water-based synthetic leather saves a great deal of organic solvent, reduces the production cost of the synthetic leather, and is in accordance with the development tendency of synthetic leather industry, thus having a wide application prospect.
Description
Technical field
The present invention relates to a kind of leather, be specifically related to a kind of environmental Waterborne synthetic leather.
Background technology
Along with the increase of the mankind to the leather demand, natural leather can not satisfy people's demand already.The continuous innovation of PU synthetic leather technology, synthetic leather has reached the premium properties of natural leather, and has larger advantage than natural leather on ABRASION RESISTANCE, cryogenic property and cost.Can predict, the PU synthetic leather also will be more widely used because of the demand of mankind's renewal.
China is as the production and consumption big country of synthetic leather, at present, the most of enterprise that is engaged in synthetic leather production adopts the organic solvent type resin as main raw material, the poisonous and hazardous organic solvent such as dimethyl formamide, toluene that contains 70%-80% in the solvent type resin, these organic solvents of a plurality of links in process of production can produce waste water,waste gas and industrial residue, health to the production exercise workmanship causes great threat, and factory's surrounding enviroment are caused severe contamination.In order to reach national requirements for environmental protection, enterprise carries out environment protection treating by the input of increase equipment and personnel in the production link that produces refuse, thereby has increased the production cost of synthetic leather.And organic solvent has inflammable and explosive characteristic, is no lack of the example of the breaking out of fire of synthetic leather manufacturer, blast.As fully visible, there are the serious problems of high pollution, high-risk, highly energy-consuming in traditional leather industry.
Enhancing along with people's environmental consciousness, realize the sustainable development of synthetic leather industry, just must comply with synthetic leather environment protection health and eco-friendly trend, reduce the discharging of pollutant, improve proportioning process, from the source, the production process, stop to pollute, realize green, the cleaner production of synthetic leather industry, bring upgrading transition of industry.
Summary of the invention
For the problems referred to above, the invention provides a kind of environmental Waterborne synthetic leather, the synthetic leather that makes by the present invention, use the waterborne polyurethane resin mechanical foaming to make foaming layer and can substitute oiliness " bass " and PVC foaming layer, the cortex part is all used, and waterborne polyurethane resin nontoxic, safety and environmental protection is made the water-based ecological synthetic leather, has realized comprehensive environmental protection of synthetic leather product.
A kind of environmental Waterborne synthetic leather comprises dry method layer, foaming layer, tack coat and base material, it is characterized in that: dry method layer, foaming layer, tack coat and base material successively stratiform are compound, and described dry method layer, foaming layer and tack coat are made by water-base resin.
The environment-friendly water-based resin of a kind of ecotype according to above-mentioned is characterized in that: comprise following technological process:
Dry method synthesis technique flow process: release liners unreels → one coating layer → Drying and cooling → two coating layers → Drying and cooling → three coating layers → preliminary drying is half-dried → applying → Drying and cooling → paper leather separations → rolling release liners → test paper/receipts to remove from office → test to remove from office and pack or post processing; Aftertreatment technology flow process: dry-method chemical leather → printing delustring → Drying and cooling → embossing → printing or spraying → Drying and cooling → rub line → check packing → finished product.
Adopt the pure dry method leather-making technology of water-base resin mechanical foaming, namely select after the release liners release liners to be unreeled, apply aqueous polyurethane dry process layer slurry in release liners, cool off after the oven for drying, then continue to apply deployed waterborne polyurethane foaming layer slurry, cool off after the oven for drying, then continue to apply deployed aqueous polyurethane tack coat slurry, preliminary drying is to half-dried rear with make-up machine and base cloth applying, release liners is separated with the leather finished product behind the Drying and cooling, rolling namely gets dry-method chemical leather, with said products through the printing, the use delustering agent carries out delustring, oven dry, carry out embossing after the cooling, printing or the predetermined decorative pattern of spraying, rub line behind the Drying and cooling, check, packing gets product.
The technical recipe of dry method layer is as follows by weight proportion: 100 parts of water-base resins, defoamer 0.5-1.5 part, hand feeling agent 1-3 part, thickener 2-5 part, mill base 5-10 part;
The technical recipe of intumescent coating is as follows by weight proportion: 100 parts of resins, blowing agent 1.5-3.5 part, foam stabilizer 0.5-1.5 part, filler 3-8 part, thickener 0.5-1.5 part and mill base 5-10 part;
The technical recipe of tack coat batching is as follows by weight proportion: 100 parts of resins, 1.5-4 parts of crosslinking agents, levelling agent 2-5 part, thickener 0.5-1.5 part;
The technical recipe of water-based delustering agent is as follows by weight proportion: 100 parts of resins, water 20-60 part, levelling agent 1.5-4 part.
The coating layer thickness of dry method layer is 0.10-0.15mm, and coating weight is 140-170g/m
2The coating layer thickness of foaming layer is 0.40-0.90mm, and coating weight is 400-1000g/m
2The coating layer thickness of adhesive layer is 0.12-0.15mm, and coating weight is 130-150g/m
2
Technique scheme of the present invention compared with prior art has the following advantages: the present invention reaches the new technology that matches with new material to new material and applies to traditional product, product of the present invention does not change the physical property of solvent-borne type synthetic leather, whole cortex construction all adopts water-based material, and any link of whole production process all keeps clean, environmental protection:
1. raw material resources is renewable, free from environmental pollution in the production process;
2. can not work the mischief to the healthy and safe of workman in the process;
3. consumer's safety and health and environment can not suffer damage in the use procedure;
4. the environmental-protecting performance that the product of producing has good brilliance can be degraded under field conditions (factors) after discarded or can not caused new pollution to environment.
The present invention is a kind of synthetic leather of complete environmental protection, has saved a large amount of organic solvents, has reduced the production cost of synthetic leather, meets the development trend of synthetic leather industry, is a kind of synthetic leather with broad prospect of application.
The specific embodiment
Below list in detail embodiments of the present invention, be used for exploitativeness of the present invention is explained.
The synthetic leather of the present embodiment comprises dry method layer, foaming layer, tack coat and base material, and its processing step is as follows:
1. the preparation of slurry:
Dry method layer batching: be that 100 parts water-base resin stirs with part by weight, add while stirring part by weight and be 8 parts 1 part of mill base, defoamer, add at last 3 parts of 2 parts of hand feeling agents, thickener and stir evenly;
Foaming layer batching: be that 100 parts water-base resin stirs with part by weight, adding while stirring part by weight is 2 parts blowing agent, 8 parts mill base, 1 part foam stabilizer, adds at last 5 parts of fillers, thickener is an amount of;
Tack coat batching: be that 100 parts water-base resin stirs with part by weight, adding while stirring part by weight is 3 parts crosslinking agent and 3 parts levelling agent;
The batching of water-based delustering agent: be that 100 parts water-base resin adds in 50 parts the water and stirs with part by weight, add while stirring part by weight and be 3 parts levelling agent.
2. each coating makes
The slurry that previous step is made is that 15% dry method layer raw mix is coated on the release liners by weight percentage, and thicknesses of layers is: 0.10-0.15mm, through 130 ℃-140 ℃ oven dry 2-5min;
The previous step resulting product is that 70% intumescent coating is coated on the dry method surface layer with percentage by weight after chill roll cooling, and thicknesses of layers is: 0.40-0.90mm, through 130-160 ℃ of oven dry 2-5min;
The previous step resulting product is that the raw material of 15% tack coat is coated on the previous step products obtained therefrom with percentage by weight after chill roll cooling, and thicknesses of layers is: 0.12-0.15mm, through the 130-140 ℃ of half-dried 1-3min of baking;
The previous step resulting product is fitted through roll-in and base cloth after preliminary drying is half-dried, separates through carrying out the paper leather behind the 140-160 ℃ of oven dry 3-6min.
3. post processing
According to the type of product, the synthetic leather that the additional function requirement is arranged is carried out the post processing on surface.
With water-based delustring technical recipe: 100 parts of resins, 50 parts in water, the raw material that levelling agent is 3 parts carry out delustring with print roller to be processed, after the embossing typing again with print roller carry out that water-based is added lustre to, polishing or spray treatment etc., rub the leather that gets product behind the line.
Surface treatment does not change the performance of synthetic leather, plays the beneficial effect of protection surface, increase feel and aesthetic appearance.
Above embodiment is preferred embodiment of the present invention.
Claims (7)
1. an environmental Waterborne synthetic leather comprises dry method layer, foaming layer, tack coat and base material, it is characterized in that: dry method layer, foaming layer, tack coat and base material successively stratiform are compound, and described dry method layer, foaming layer and tack coat are made by water-base resin.
2. a kind of environmental Waterborne synthetic leather according to claim 1 is characterized in that, comprises following technological process:
Dry method synthesis technique flow process: release liners unreels → one coating layer → Drying and cooling → two coating layers → Drying and cooling → three coating layers → preliminary drying is half-dried → applying → Drying and cooling → paper leather separations → rolling release liners → test paper/receipts to remove from office → test to remove from office and pack or post processing
Aftertreatment technology flow process: dry-method chemical leather → printing delustring → Drying and cooling → embossing → printing or spraying → Drying and cooling → rub line → check packing → finished product
Adopt the pure dry method leather-making technology of water-base resin mechanical foaming, namely select after the release liners release liners to be unreeled, apply aqueous polyurethane dry process layer slurry in release liners, cool off after the oven for drying, then apply deployed waterborne polyurethane foaming layer slurry, cool off after the oven for drying, then apply deployed aqueous polyurethane tack coat slurry, preliminary drying is to half-dried rear with make-up machine and base cloth applying, release liners is separated with the leather finished product behind the Drying and cooling, rolling namely gets dry-method chemical leather, with said products through the printing, the use delustering agent carries out delustring, oven dry, carry out embossing after the cooling, printing or the predetermined decorative pattern of spraying, rub line behind the Drying and cooling, check, packing gets product.
3. a kind of environmental Waterborne synthetic leather according to claim 1, it is characterized in that: the technical recipe of dry method layer is as follows by weight proportion: 100 parts of water-base resins, defoamer 0.5-1.5 part, hand feeling agent 1-3 part, thickener 2-5 part, mill base 5-10 part.
4. a kind of environmental Waterborne synthetic leather according to claim 1, it is characterized in that: the technical recipe of intumescent coating is as follows by weight proportion: 100 parts of resins, blowing agent 1.5-3.5 part, foam stabilizer 0.5-1.5 part, filler 3-8 part, thickener 0.5-1.5 part, mill base 5-10 part.
5. a kind of environmental Waterborne synthetic leather according to claim 1 is characterized in that: the technical recipe of tack coat batching is as follows by weight proportion: 100 parts of resins, 1.5-4 parts of crosslinking agents, levelling agent 2-5 part, thickener 0.5-1.5 part.
6. a kind of environmental Waterborne synthetic leather according to claim 1, it is characterized in that: the technical recipe of water-based delustering agent is as follows by weight proportion: 100 parts of resins, water 20-60 part, levelling agent 1.5-4 part.
7. a kind of environmental Waterborne synthetic leather according to claim 1, it is characterized in that: the coating layer thickness of dry method layer is 0.10-0.15mm, coating weight is 140-170g/m
2The coating layer thickness of foaming layer is 0.40-0.90mm, and coating weight is 400-1000g/m
2The coating layer thickness of adhesive layer is 0.12-0.15mm, and coating weight is 130-150g/m
2
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| CN2012100844909A CN103361988A (en) | 2012-03-28 | 2012-03-28 | Ecological type water-based synthetic leather |
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| CN2012100844909A CN103361988A (en) | 2012-03-28 | 2012-03-28 | Ecological type water-based synthetic leather |
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Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104179030A (en) * | 2014-07-02 | 2014-12-03 | 合肥冠怡涂层织物有限公司 | High-quality microfiber-type waterborne synthetic leather and preparation method thereof |
| CN104233845A (en) * | 2014-09-19 | 2014-12-24 | 浙江梅盛实业股份有限公司 | Production technology for printed/coated/dyed leather |
| CN104499302A (en) * | 2014-11-17 | 2015-04-08 | 杭州苏威进出囗有限公司 | Preparation technology for synthesizing artificial leather with antibiosis, disinfection and exhaust |
| 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 |
| CN104499300A (en) * | 2014-11-17 | 2015-04-08 | 杭州苏威进出囗有限公司 | Preparation method for synthesizing artificial leather by nano bamboo charcoal UV |
| CN105735002A (en) * | 2016-03-07 | 2016-07-06 | 四川大学 | Graphene in-situ modified polyurethane and method for manufacturing synthetic leather with high physical properties |
| CN105904809A (en) * | 2016-04-13 | 2016-08-31 | 周航 | Tablecloth of semi-PU leather material |
| CN106758275A (en) * | 2017-01-14 | 2017-05-31 | 天津工业大学 | A kind of preparation method of spun-bonded continuous yarn tangerine valve type super fiber leather |
| CN107904970A (en) * | 2017-12-26 | 2018-04-13 | 泉州静杰企业管理咨询有限公司 | A kind of production technology of stratiform colour crystal PU synthetic leather |
| CN109898341A (en) * | 2019-01-22 | 2019-06-18 | 四川大学 | A kind of short route, without water consume and release paper economizing type Waterborne synthetic leather manufacturing method |
| CN110592965A (en) * | 2019-08-26 | 2019-12-20 | 安徽安利材料科技股份有限公司 | High-foaming high-stripping solvent-free shoe leather and preparation method thereof |
| CN110656507A (en) * | 2019-10-31 | 2020-01-07 | 佛山市威弘皮革有限公司 | Full-aqueous artificial leather multiple treatment process |
| CN111041847A (en) * | 2019-12-30 | 2020-04-21 | 北京光华纺织集团有限公司 | Water-based ecological synthetic leather garment material |
| CN113322683A (en) * | 2021-04-25 | 2021-08-31 | 佛山市高明尚昂科技有限公司 | Hard composite artificial leather capable of being embossed and preparation method thereof |
| CN113928000A (en) * | 2021-08-31 | 2022-01-14 | 浙江海印数码科技有限公司 | Online sizing printing system and process based on single pass digital printing machine |
| CN114855464A (en) * | 2022-05-18 | 2022-08-05 | 浙江嘉柯新材料科技有限公司 | Natural latex environment-friendly synthetic leather and preparation method thereof |
| CN115094643A (en) * | 2022-05-18 | 2022-09-23 | 浙江嘉柯新材料科技有限公司 | Water-based protein super-soft synthetic leather and production process thereof |
| CN115584639A (en) * | 2022-09-24 | 2023-01-10 | 旷达汽车饰件系统有限公司 | Preparation method of interior-decoration microfiber leather |
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Cited By (25)
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| CN104179030A (en) * | 2014-07-02 | 2014-12-03 | 合肥冠怡涂层织物有限公司 | High-quality microfiber-type waterborne synthetic leather and preparation method thereof |
| CN104233845A (en) * | 2014-09-19 | 2014-12-24 | 浙江梅盛实业股份有限公司 | Production technology for printed/coated/dyed leather |
| CN104233845B (en) * | 2014-09-19 | 2016-04-20 | 浙江梅盛实业股份有限公司 | The manufacturing technique of a kind of stamp/veneer/dyeing leather |
| CN104499302A (en) * | 2014-11-17 | 2015-04-08 | 杭州苏威进出囗有限公司 | Preparation technology for synthesizing artificial leather with antibiosis, disinfection and exhaust |
| 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 |
| CN104499300A (en) * | 2014-11-17 | 2015-04-08 | 杭州苏威进出囗有限公司 | Preparation method for synthesizing artificial leather by nano bamboo charcoal UV |
| 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 |
| CN104499302B (en) * | 2014-11-17 | 2016-06-08 | 杭州苏威进出囗有限公司 | The preparation technology of the synthesis of artificial leather of a kind of antibacterium sterilization exhaust |
| CN105735002A (en) * | 2016-03-07 | 2016-07-06 | 四川大学 | Graphene in-situ modified polyurethane and method for manufacturing synthetic leather with high physical properties |
| CN105904809A (en) * | 2016-04-13 | 2016-08-31 | 周航 | Tablecloth of semi-PU leather material |
| CN106758275B (en) * | 2017-01-14 | 2018-05-04 | 天津工业大学 | A kind of preparation method of spun-bonded continuous yarn orange petal type super fiber leather |
| CN106758275A (en) * | 2017-01-14 | 2017-05-31 | 天津工业大学 | A kind of preparation method of spun-bonded continuous yarn tangerine valve type super fiber leather |
| CN107904970A (en) * | 2017-12-26 | 2018-04-13 | 泉州静杰企业管理咨询有限公司 | A kind of production technology of stratiform colour crystal PU synthetic leather |
| CN109898341B (en) * | 2019-01-22 | 2021-07-27 | 四川大学 | Short-flow, water-consumption-free and release paper-saving type water-based synthetic leather manufacturing method |
| CN109898341A (en) * | 2019-01-22 | 2019-06-18 | 四川大学 | A kind of short route, without water consume and release paper economizing type Waterborne synthetic leather manufacturing method |
| CN110592965A (en) * | 2019-08-26 | 2019-12-20 | 安徽安利材料科技股份有限公司 | High-foaming high-stripping solvent-free shoe leather and preparation method thereof |
| CN110656507A (en) * | 2019-10-31 | 2020-01-07 | 佛山市威弘皮革有限公司 | Full-aqueous artificial leather multiple treatment process |
| CN111041847A (en) * | 2019-12-30 | 2020-04-21 | 北京光华纺织集团有限公司 | Water-based ecological synthetic leather garment material |
| CN113322683A (en) * | 2021-04-25 | 2021-08-31 | 佛山市高明尚昂科技有限公司 | Hard composite artificial leather capable of being embossed and preparation method thereof |
| CN113928000A (en) * | 2021-08-31 | 2022-01-14 | 浙江海印数码科技有限公司 | Online sizing printing system and process based on single pass digital printing machine |
| CN113928000B (en) * | 2021-08-31 | 2022-12-09 | 浙江海印数码科技有限公司 | Online sizing printing system and process based on single pass digital printing machine |
| CN114855464A (en) * | 2022-05-18 | 2022-08-05 | 浙江嘉柯新材料科技有限公司 | Natural latex environment-friendly synthetic leather and preparation method thereof |
| CN115094643A (en) * | 2022-05-18 | 2022-09-23 | 浙江嘉柯新材料科技有限公司 | Water-based protein super-soft synthetic leather and production process thereof |
| WO2023221225A1 (en) * | 2022-05-18 | 2023-11-23 | 浙江嘉柯新材料科技有限公司 | Natural latex environmentally friendly synthetic leather and preparation method |
| CN115584639A (en) * | 2022-09-24 | 2023-01-10 | 旷达汽车饰件系统有限公司 | Preparation method of interior-decoration microfiber leather |
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Application publication date: 20131023 |