CN102383316A - Micro-fiber environment-friendly water-base synthetic leather and preparation method thereof - Google Patents
Micro-fiber environment-friendly water-base synthetic leather and preparation method thereof Download PDFInfo
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- CN102383316A CN102383316A CN2011102321408A CN201110232140A CN102383316A CN 102383316 A CN102383316 A CN 102383316A CN 2011102321408 A CN2011102321408 A CN 2011102321408A CN 201110232140 A CN201110232140 A CN 201110232140A CN 102383316 A CN102383316 A CN 102383316A
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Abstract
The invention discloses micro-fiber environment-friendly water-base synthetic leather and a preparation method thereof. The synthetic leather comprises a micro-fiber non-woven fabric, a bottom layer and a surface layer, wherein the bottom layer is coated on the micro-fiber non-woven fabric; the surface layer is coated on the bottom layer; the surface layer comprises at least four layers of coatings; the coatings are coated with sizing agents; and the sizing agents contain waterborne polyurethane, water and waterborne auxiliaries. Instead of solvent-base polyurethane resins, the waterborne polyurethane resins are adopted in the synthetic leather, so that the prepared synthetic leather is environment-friendly and is harmless to human body. Besides, the synthetic leather is excellent in moisture penetrability and air penetrability and feels like real leather, but is better than natural real leather in the aspects of tearing strength, durability, low-temperature resistance, flexibility, mildew resistance and the like. The grade of a product is greatly promoted.
Description
Technical field
The present invention relates to the synthetic leather field, especially relate to environment-friendly water-based synthetic leather of a kind of ultra fibre and preparation method thereof.
Background technology
Along with the development of society, human living standard's raising, for the consumer goods require increasingly high, wherein a kind of just focus consumption article of natural leather.Owing to receive the restriction and the countries in the world of natural conditions the consciousness that watches for animals is strengthened, natural leather reduces year by year, and in order to substitute this natural leather, synthetic leather is invented.
Present domestic synthetic leather aggregate demand reaches 800,000,000 m
2In/every year, the demand of high-performance, high environmental protection, high-quality synthetic leather is reached 200,000,000 m
2/ every year, and have the trend that continues rising.Along with the development of synthetic leather, the consumer is also increasingly high to the requirement of synthetic leather quality.
Yet; The most solvent borne polyurethanes that adopt of existing synthetic leather are processed; This solvent borne polyurethane synthetic leather contains a large amount of organic solvents; Be to human body in process of production or the harm of environment all is sizable, so banned gradually at some developed country's solvent-borne type synthetic leather.
In order to satisfy consumer's requirement, the inexorable trend that to develop a kind of environmental protection and high-quality synthetic leather product be market development.
Summary of the invention
The object of the invention is, provides a kind of environmental protection and quality higher ultra fine environmental protection flame retardant synthetic leather.
For this reason; Provide a kind of ultra fibre environment-friendly water-based synthetic leather in the present invention; Comprise ultra fine nonwoven fabric, cover the bottom on the nonwoven fabric, and cover the surface layer on the bottom, wherein; Surface layer comprises that at least 4 layers are coated with by slurry and scrape the coating that forms, and comprise in each slurry: aqueous polyurethane, water and aqueous promoter.
Further; Comprise 4 layers of coating in the environment-friendly water-based synthetic leather surface layer of above-mentioned ultra fibre; Be respectively: tack coat, cover bottom above, the slurry of tack coat comprises following raw material by weight: first waterborne polyurethane resin 80-100 part, water 10-20 part, aqueous promoter 0-5 part; First intermediate layer, cover tack coat above, the slurry in first intermediate layer comprises following raw material by weight: second waterborne polyurethane resin 80-100 part, water 20-30 part, aqueous promoter 0-5 part; Second intermediate layer, cover first intermediate layer above, the slurry in second intermediate layer comprises following raw material by weight: the 3rd waterborne polyurethane resin 80-100 part, water 20-30 part, aqueous promoter 0-5 part; Superficial layer, cover second intermediate layer above, the slurry of superficial layer comprises following raw material by weight; The 4th waterborne polyurethane resin 80-100 part, water 30-40 part, aqueous promoter 0-5 part,
Wherein, first polyurethane resin is that modulus is 25-35kg/cm
2, molecular weight is 0.5 * 10
5-0.6 * 10
5Polyurethane resin; Second polyurethane resin is that modulus is 55-65kg/cm
2, molecular weight is 0.6 * 10
5-0.7 * 10
5Polyurethane resin; The 3rd polyurethane resin is that modulus is 55-65kg/cm
2, molecular weight is 0.6 * 10
5-0.7 * 10
5Polyurethane resin; The 4th polyurethane resin is that modulus is 65-75kg/cm
2, molecular weight 0.7 * 10
5-0.8 * 10
5Polyurethane resin.
Further, the viscosity of tack coat slurry is 5000-5500CPS in the environment-friendly water-based synthetic leather of above-mentioned ultra fibre; The viscosity of the first intermediate layer slurry is 3000-3500CPS; The viscosity of the second intermediate layer slurry is 2000-2500CPS; The viscosity of superficial layer slurry is 1000-1500CPS.
Further, aqueous promoter is in water-based thickener, water-based levelling agent, the water-based antifoaming agent one or more in the environment-friendly water-based synthetic leather of above-mentioned ultra fibre.
Further, the base pastes in the environment-friendly water-based synthetic leather of above-mentioned ultra fibre in the bottom comprises by weight: the 5th waterborne polyurethane resin 80-100 part, water 70-80 part, aqueous promoter 0-5 part, said the 5th polyurethane resin are that modulus is 25-35kg/cm
2, molecular weight is 0.5 * 10
5-0.6 * 10
5The polyurethane resin of Mr.
Simultaneously, a kind of preparation method of the above-mentioned environment-friendly water-based synthetic leather of ultra fibre is provided also in the present invention, has it is characterized in that, may further comprise the steps: the production of nonwoven fabric; The wet method base contains nonwoven fabric in the base pastes that is immersed in bottom, preparation end base; The dry method veneer is coated with successively on carrier side and scrapes the superficial layer slurry and form superficial layer, be coated with and scrape the second intermediate layer slurry and form second intermediate layer, be coated with and scrape the first intermediate layer slurry and form first intermediate layer and be coated with and scrape the tack coat slurry and form tack coat, generates surface layer; Tack coat in the surface layer one side and end base applying, oven dry, cooling, glass are generated ultra fine environmental protection flame retardant synthetic leather.
Further, among the above-mentioned preparation method, the dry method veneer further may further comprise the steps: the preparation of superficial layer; May further comprise the steps: behind the 4th waterborne polyurethane resin high-speed stirred 30-60min, be under 50-70 ℃, add aqueous promoter in temperature; After stirring 15-20min again, add water and be modulated into the superficial layer slurry that viscosity is 1000-1500CPS, the superficial layer slurry is not had the gap be coated with and scrape on carrier side; Form the coating of 1-2 silk, oven dry forms superficial layer; The preparation in second intermediate layer may further comprise the steps: behind the 3rd waterborne polyurethane resin high-speed stirred 30-60min, be under 50-70 ℃ in temperature; Add aqueous promoter; After stirring 15-20min again, add entry and be modulated into the second intermediate layer slurry that viscosity is 2000-2500CPS, the second intermediate layer slurry is coated with scrapes on superficial layer; Form the coating of 8-12 silk, oven dry forms second intermediate layer; The preparation in first intermediate layer may further comprise the steps: behind the second waterborne polyurethane resin high-speed stirred 30-60min, be under 50-70 ℃ in temperature; Add aqueous promoter; After stirring 15-20min again, add entry and be modulated into the first intermediate layer slurry that viscosity is 3000-3500CPS, the first intermediate layer slurry is coated with scrapes on second intermediate layer; Form the coating of 8-12 silk, oven dry forms first intermediate layer; The preparation of tack coat; May further comprise the steps: behind the first waterborne polyurethane resin high-speed stirred 30-60min, be under 50-70 ℃, add aqueous promoter in temperature; After stirring 15-20min again; Add entry and be modulated into the slurry that viscosity is 5000-5500CPS, the tack coat slurry is coated with scrapes on the intermediate layer, form the tack coat of 2-12 silk;
Further; The dry method veneer further may further comprise the steps among the above-mentioned preparation method: in the preparation process of superficial layer; The step of oven dry further comprises: will be coated with the carrier side of scraping the superficial layer slurry and move with the speed of 8-9m/min; Through the oven dry that progressively heats up of 65-75 ℃, 75-85 ℃ temperature section, the length of each temperature section is 3m respectively, and rotation speed of fan is 300 rev/mins; In the preparation process in second intermediate layer; The step of oven dry further comprises: will be coated with the carrier side of scraping the second intermediate layer slurry and move with the speed of 8-9m/min; Respectively through the oven dry that progressively heats up of 65-75 ℃, 70-80 ℃, 75-85 ℃, 80-90 ℃ temperature section; The length of each temperature section is 4m, and rotation speed of fan is 400 rev/mins; In the preparation process in first intermediate layer; The step of oven dry further comprises: will be coated with the carrier side of scraping by the first intermediate layer slurry and move with the speed of 8-9m/min; Respectively through the oven dry that progressively heats up of 70-80 ℃, 75-85 ℃, 80-90 ℃, 85-95 ℃ temperature section; The length of each temperature section is 4m, and rotation speed of fan is 500 rev/mins;
Further; The preparation of end base further may further comprise the steps among the above-mentioned preparation method: behind the 5th waterborne polyurethane resin high-speed stirred 30-60min, be under 50-70 ℃ in temperature, add aqueous promoter; After stirring 15-20min again; Add entry and be modulated into the base pastes that viscosity is 150-170CPS, will ultra fine nonwoven fabric contain and be immersed in the base pastes, treat that slurry solidifies that the back is extracted out, washing, oven dry, soft, dyeing, mill leather become end base.
Further; Step with one side of the tack coat in the surface layer and the applying of end base among the above-mentioned preparation method further comprises: the mode that adopts wet method to fit; End base behind 100-110 ℃ of following high temperature preheating, is fitted tack coat and end base, and laminate pressure is 0.5-0.8MPa; Under 100-105 ℃, dry after fitting, the applying thing moves 20 meters with the speed of 6m/min in the drying course; The cooling of oven dry back is peeled off and is formed ultra fine environmental protection flame retardant synthetic leather.
Beneficial effect of the present invention:
The environment-friendly water-based synthetic leather of ultra fibre provided by the present invention through adopting waterborne polyurethane resin, has been avoided the employing solvent type polyurethane resin; Make prepared synthetic leather environmental protection; Do not harm human body, and pass through wet, good permeability, feel is near leather effect; Tear, on the performance such as wear-resisting, lower temperature resistance, anti-tortuosity, anti-mildew change considerably beyond natural corium, improved the class of product greatly
The preparation method of the environment-friendly water-based synthetic leather of ultra fibre provided by the present invention; Simple and practical; Through changing the parameter in the production process; Just can produce environmental protection, high-quality synthetic leather on the basis of old synthetic leather production equipment adopting, and production process environmental protection, pollution-free, no additional apparatus cost.
Except top described purpose, feature and advantage, the present invention also has other purpose, feature and advantage.To do further detailed explanation to the present invention with reference to the specific embodiment below.
The specific embodiment
Below embodiments of the invention are elaborated, but following embodiment only is in order to understanding the present invention, and can not limit the present invention, the multitude of different ways that the present invention can be defined by the claims and cover is implemented.
Employed in the present invention polyurethane resin all belongs to waterborne polyurethane resin, and its solid content selects the commercially available prod to get final product according to suitable modulus and molecular weight between 30%-50%.
In a kind of exemplary embodiment of the present invention; The environment-friendly water-based synthetic leather of a kind of ultra fibre; Comprise ultra fine nonwoven fabric, cover the bottom on the nonwoven fabric, and cover the surface layer on the bottom, wherein; Surface layer comprises that at least 4 layers are coated with by slurry and scrape the coating that forms, and comprise in each slurry: aqueous polyurethane, water and aqueous promoter.Employed aqueous polyurethane is a toluene di-isocyanate(TDI) polyurethane among the present invention, and it can be bought by the excellent Nike aqueous polyurethane of Lishui of Zhejiang company.
In the above-described embodiment, replace solvent borne polyurethane to make prepared synthetic leather environmental protection, pollution-free, use comfortable through adopting aqueous polyurethane.Simultaneously, at least 4 layers mode is set, has strengthened the intensity of synthetic leather, make it pass through wet, good permeability through being employed in the surface layer, good hand touch, and tear, wear-resisting, lower temperature resistance, anti-tortuosity, etc. aspect of performance also increase.
Preferably, in the environment-friendly water-based synthetic leather of above-mentioned ultra fibre, comprise 4 layers of coating in the surface layer, be respectively: tack coat, first intermediate layer, second intermediate layer and superficial layer.Tack coat cover bottom above, the slurry of tack coat comprises following raw material by weight: first waterborne polyurethane resin 80-100 part, water 10-20 part, aqueous promoter 0-5 part; First intermediate layer cover tack coat above, the slurry in first intermediate layer comprises following raw material by weight: second waterborne polyurethane resin 80-100 part, water 20-30 part, aqueous promoter 0-5 part; Second intermediate layer cover first intermediate layer above, the slurry in second intermediate layer comprises following raw material by weight: the 3rd waterborne polyurethane resin 80-100 part, water 20-30 part, aqueous promoter 0-5 part; Superficial layer cover second intermediate layer above, the slurry of superficial layer comprises following raw material by weight; The 4th waterborne polyurethane resin 80-100 part, water 30-40 part, aqueous promoter 0-5 part.
The surface layer of the environment-friendly water-based synthetic leather of above-mentioned in the present invention ultra fibre can also be 5 layers, 6 layers, 7 layers etc.; When it is 5 layers, 6 layers, 7 layers etc.; Be equivalent to the 3rd, the 4th, the 5th intermediate layer is set in the centre in first intermediate layer and second intermediate layer; Three, the raw material in the 4th, the 5th intermediate layer is identical with the raw material in first, second intermediate layer, only is that its viscosity is reduced to the second intermediate layer direction by first intermediate layer gradually.
Preferably, the viscosity of tack coat slurry is 5000-5500CPS in the environment-friendly water-based synthetic leather of above-mentioned ultra fibre; The viscosity of the first intermediate layer slurry is 3000-3500CPS; The viscosity of the second intermediate layer slurry is 2000-2500CPS; The viscosity of superficial layer slurry is 1000-1500CPS.
In above-mentioned synthetic leather in each coating of surface layer; The range of viscosities of the slurry of coating is not limited to above-mentioned scope; Just in above-mentioned scope; Make prepared each coating not can because of viscosity too high be unfavorable for being coated with scrape, can not hang down very much in drying course to produce yet and too much steam the hole, and reduce the surface strength of synthetic leather because of viscosity.And then can prepare all comparatively outstanding synthetic leather of various aspects of performance.
Preferably, above-mentioned aqueous promoter is one or more in water-based thickener, water-based levelling agent, the water-based antifoaming agent.The selection of this water-based thickener, water-based levelling agent and/or water-based antifoaming agent raw material and consumption is that those skilled in the art can pass through reasonable analysis and can access, and does not detail at this.
In above-mentioned slurry, can increase suitable environmental protection color chips according to the color of the synthetic leather of institute desire preparation, the adding of environmental protection color chips belongs to conventional means, and those skilled in the art have the ability to select proper raw material and use amount through reasonable analysis.
In a kind of typical embodiment of the present invention, the base pastes in the environment-friendly water-based synthetic leather of above-mentioned ultra fibre in the bottom comprises by weight: the 5th waterborne polyurethane resin 80-100 part, water 70-80 part, aqueous promoter 0-5 part.The 5th polyurethane resin is that modulus is 25-35kg/cm
2, molecular weight is 0.5 * 10
5-0.6 * 10
5Polyurethane resin.Wherein the kind of aqueous promoter and consumption are with reference to the consumption of slurry in the above-mentioned surface layer.
In a kind of typical embodiment of the present invention, nonwoven fabric can be terylene, gather a kind of in ethamine, the nylon in the above-mentioned ultra fine environmental protection flame retardant synthetic leather, buys the commercially available prod and gets final product.
Simultaneously, in a kind of typical embodiment of the present invention, the preparation method of the environment-friendly water-based synthetic leather of a kind of above-mentioned ultra fibre may further comprise the steps: the production of nonwoven fabric; The wet method base contains nonwoven fabric in the base pastes that is immersed in bottom, preparation end base; The dry method veneer is coated with successively on carrier side and scrapes the superficial layer slurry and form superficial layer, be coated with and scrape the second intermediate layer slurry and form second intermediate layer, be coated with and scrape the first intermediate layer slurry and form first intermediate layer and be coated with and scrape the tack coat slurry and form tack coat, generates surface layer; Tack coat in the surface layer one side and end base applying, oven dry, cooling, glass are generated ultra fine environmental protection flame retardant synthetic leather.This preparation method, simple realization easily, thing organic solvent volatilization in the production process, environmental protection, avirulence more help health of operators.
Obtained in the above-described embodiment carrier side is meant the common paper with certain texture, and this carrier side has the face of providing support and makes the synthetic leather surface have the effect of beautiful texture.
Preferably, the dry method veneer further may further comprise the steps among the above-mentioned preparation method: the preparation of superficial layer may further comprise the steps: behind the 4th waterborne polyurethane resin high-speed stirred 30-60min; In temperature is under 50-70 ℃, adds aqueous promoter, stir 15-20min again after; Add water and be modulated into the superficial layer slurry that viscosity is 1000-1500CPS, the superficial layer slurry is not had the gap be coated with and scrape on carrier side, form the coating of 1-2 silk; Oven dry forms superficial layer; The preparation in second intermediate layer may further comprise the steps: behind the 3rd waterborne polyurethane resin high-speed stirred 30-60min, be under 50-70 ℃ in temperature; Add aqueous promoter; After stirring 15-20min again, add entry and be modulated into the second intermediate layer slurry that viscosity is 2000-2500CPS, the second intermediate layer slurry is coated with scrapes on superficial layer; Form the coating of 8-12 silk, oven dry forms second intermediate layer; The preparation in first intermediate layer may further comprise the steps: behind the second waterborne polyurethane resin high-speed stirred 30-60min, be under 50-70 ℃ in temperature; Add aqueous promoter; After stirring 15-20min again, add entry and be modulated into the first intermediate layer slurry that viscosity is 3000-3500CPS, the first intermediate layer slurry is coated with scrapes on second intermediate layer; Form the coating of 8-12 silk, oven dry forms first intermediate layer; The preparation of tack coat; May further comprise the steps: behind the first waterborne polyurethane resin high-speed stirred 30-60min, be under 50-70 ℃, add aqueous promoter in temperature; After stirring 15-20min again; Add entry and be modulated into the slurry that viscosity is 5000-5500CPS, the tack coat slurry is coated with scrapes on the intermediate layer, form the tack coat of 8-12 silk.
In the present invention, if the aqueous promoter that adds comprises water-based levelling agent, water-based thickener and water-based antifoaming agent, add earlier water-based levelling agent and water-based thickener simultaneously; Stir after 15-20 minute; Add the water-based antifoaming agent, high-speed stirred 2-3 minute, static 10-15 minute; So that the bubble in the minimizing slurry, the intensity of enhancing coatings prepared.
In the present invention, can also filter after above-mentioned each layer slurry processed, can filter 2-3 just,, strengthen the feel of prepared synthetic leather so that particle is evenly fine and smooth in the slurry through adopting 200 purpose screen packs.
Adopt this preparation method, it is even that various slurries mix, and the strength of coating of generation is good, helps preparing high-quality synthetic leather.
Preferably; Above-mentioned dry method veneer further may further comprise the steps: in the preparation process of superficial layer; The step of oven dry further comprises: will be coated with the carrier side of scraping the superficial layer slurry speed operation with 8-9m/min, and pass through 65-75 ℃, 75-85 ℃ temperature section respectively, and be preferably the oven dry that progressively heats up of 70 ℃, 80 ℃ temperature sections; The length of each temperature section is 3m, and rotation speed of fan is 300 rev/mins; In the preparation process in second intermediate layer; The step of oven dry further comprises: will be coated with the carrier side of scraping the second intermediate layer slurry and move with the speed of 8-9m/min; Pass through 65-75 ℃, 70-80 ℃, 75-85 ℃, 80-90 ℃ temperature section respectively; Be preferably the oven dry that progressively heats up of 70 ℃, 75 ℃, 80 ℃, 85 ℃ temperature sections, the length of each temperature section is 4m, and rotation speed of fan is 400 rev/mins; In the preparation process in first intermediate layer; The step of oven dry further comprises: will be coated with the carrier side of scraping by the first intermediate layer slurry and move with the speed of 8-9m/min; Pass through 70-80 ℃, 75-85 ℃, 80-90 ℃, 85-95 ℃ respectively; Be preferably the oven dry that progressively heats up of 75 ℃, 80 ℃, 85 ℃, 90 ℃ temperature section sections, the length of each temperature section is 4m, and rotation speed of fan is 500 rev/mins;
The mode of this oven dry that progressively heats up helps making the waterborne polyurethane resin film forming gradually that is not easy film forming, and each layer coating all obtains good film forming characteristics, more helps preparing high-quality synthetic leather.And these temperature requirements all be existing synthetic leather production equipment the scope that can reach, can adopt this water-based synthetic leather of existing synthetic leather production equipment Direct Production, reduced equipment cost.
Preferably, in above-mentioned preparation method, the preparation of end base further may further comprise the steps: behind the 5th waterborne polyurethane resin, high-speed stirred 30-60min; In temperature is under 50-70 ℃; Add aqueous promoter, stir 15-20min again after, add entry and be modulated into the base pastes that viscosity is 150-170CPS; Will ultra fine nonwoven fabric contain and be immersed in the base pastes, treat that slurry solidifies that the back is extracted out, washing, oven dry, soft, dyeing, mill leather become end base.
Preferably; The step of one side of the tack coat in the surface layer and the applying of end base is further comprised: the mode that adopts wet method to fit; End base behind 100-110 ℃ of following high temperature preheating, is fitted tack coat and end base, and laminate pressure is 0.5-0.8MPa; Under 100-105 ℃, dry after fitting, the applying thing moves 20 meters with the speed of 6m/min in the drying course; The cooling of oven dry back is peeled off and is formed ultra fine environmental protection flame retardant synthetic leather.
Adopt the synthetic leather applying of this method preparation closely seamless, be more conducive to long-term use.
In a kind of concrete embodiment of the present invention; The production of nonwoven fabric comprises acupuncture, impregnation and 3 parts of finalizing the design in the preparation process of above-mentioned ultra fine environmental protection flame retardant synthetic leather property, and the concrete operation of acupuncture is divided into the part of feeding-shredding-mixing-combing-lapping-acupuncture again.This operation all belongs to conventional operation, is not specifying once more.
Below will combine embodiment 1-3 and Comparative Examples 1 to further specify the beneficial effect of the ultra fine environmental protection flame retardant synthetic leather property of the present invention.
For the outward appearance of water-based synthetic leather provided by the present invention is described better; At embodiment of the invention 1-3 and contrast is the auxiliary agent that adopts same amount in the example 1; Certainly the consumption of employed auxiliary agent can not limit protection scope of the present invention among the embodiment; To those skilled in the art, can analyze the raw material and the consumption of employed aqueous promoter according to its common practise and conventional means.
Employed in the present invention water-based levelling agent is the Lishui of Zhejiang city excellent Nike aqueous polyurethane F3 of a company product; The excellent Nike aqueous polyurethane F5 of the company product in water-based thickener Lishui of Zhejiang used in the present invention city, employed in the present invention water-based antifoaming agent is the F6 product of Lishui of Zhejiang city excellent Nike aqueous polyurethane company.
Embodiment 1
Raw material:
Nonwoven fabric: one synthetic leather company of Zhejiang section produces.
Base pastes: modulus is 25kg/cm
2, molecular weight is 0.5 * 10
5The 5th waterborne polyurethane resin 80g, water 70g.
The superficial layer slurry: modulus is 65kg/cm
2, molecular weight 0.7 * 10
5The 4th waterborne polyurethane resin 80g, water 40g;
The second intermediate layer slurry: modulus is 55kg/cm
2, molecular weight is 0.6 * 10
5The 3rd waterborne polyurethane resin 80g, water 30g;
The first intermediate layer slurry: modulus is 55kg/cm
2, molecular weight is 0.6 * 10
5The second waterborne polyurethane resin 80g, water 30g;
The tack coat slurry; Modulus is 25kg/cm
2, molecular weight is 0.5 * 10
5The first waterborne polyurethane resin 80g, water 20g.
The preparation method:
The production of nonwoven fabric;
The wet method base; With the 5th waterborne polyurethane resin high-speed stirred 30 minutes; Add entry and be modulated into the base pastes that viscosity is 150CPS, will ultra fine nonwoven fabric contain and be immersed in the said base pastes, treat that slurry solidifies that the back is extracted out, washing, oven dry, soft, dyeing, mill leather become base of the said end.
The dry method veneer,
The preparation superficial layer: after 30 minutes, is 50 ℃ under in temperature with the 4th waterborne polyurethane resin high-speed stirred, adds water and is modulated into the superficial layer slurry that viscosity is 1500CPS; The superficial layer slurry is not had the gap to be coated with and to scrape on carrier side; Form 2 coating, with being coated with the carrier side of scraping the superficial layer slurry speed operation, respectively through the oven dry that progressively heats up of 75 ℃, 85 ℃ temperature sections with 8m/min; The length of each temperature section is 3m, and rotation speed of fan is 300 rev/mins; Form superficial layer;
In preparation second intermediate layer on the superficial layer: with the 3rd waterborne polyurethane resin high-speed stirred after 30 minutes; In temperature is under 50 ℃; Add entry and be modulated into the second intermediate layer slurry that viscosity is 2500CPS, the second intermediate layer slurry is coated with scrapes on superficial layer, form 12 coating; Move with the speed of 8m/min being coated with the carrier side of scraping the second intermediate layer slurry; Through the oven dry that progressively heats up of 65 ℃, 70 ℃, 75 ℃, 80 ℃ temperature sections, the length of each temperature section is 4m respectively, and rotation speed of fan is 400 rev/mins; Oven dry forms second intermediate layer;
In preparation first intermediate layer on second intermediate layer: with the second waterborne polyurethane resin high-speed stirred after 30 minutes; In temperature is to add entry under 50 ℃ to be modulated into the first intermediate layer slurry that viscosity is 3500CPS; The first intermediate layer slurry is coated with scrapes on second intermediate layer; Form 12 coating, scrape by the speed operation of the carrier side of the first intermediate layer slurry, respectively through the oven dry that progressively heats up of 70 ℃, 75 ℃, 80 ℃, 85 ℃ temperature sections with 8m/min with being coated with; The length of each temperature section is 4m, and rotation speed of fan is 500 rev/mins; Oven dry forms first intermediate layer;
Preparing tack coat on first intermediate layer: after 30 minutes, is 50 ℃ under in temperature with the first waterborne polyurethane resin high-speed stirred, adds entry and is modulated into the slurry that viscosity is 5500CPS, the tack coat slurry is coated with scrapes on the intermediate layer, forms 12 tack coat;
The mode that the employing wet method is fitted behind 100 ℃ of following high temperature preheatings, is fitted base of the said end with tack coat and base of the said end, laminate pressure is 0.5MPa, and dry under 100 ℃ the back of fitting, and the applying thing moves 20 meters with the speed of 6m/min in the drying course; The cooling of oven dry back is peeled off and is formed ultra fine environmental protection flame retardant synthetic leather.
Embodiment 2
Nonwoven fabric: one synthetic leather company of Zhejiang section produces.
Base pastes: modulus is 35kg/cm
2, molecular weight is 0.6 * 10
5The 5th waterborne polyurethane resin 100g, water 80g, water-based levelling agent 2g, water-based antifoaming agent 2g.
The superficial layer slurry: modulus is 75kg/cm
2, molecular weight 0.8 * 10
5The 4th waterborne polyurethane resin 100g, water 30g, water-based levelling agent 2g, water-based thickener 1g, water-based antifoaming agent 1g;
The second intermediate layer slurry: modulus is 65kg/cm
2, molecular weight 0.7 * 10
5The 3rd waterborne polyurethane resin 100g, water 20g, water-based levelling agent 1g, water-based thickener 1.5g, water-based antifoaming agent 1.5g;
The first intermediate layer slurry: modulus is 65kg/cm
2, molecular weight 0.7 * 10
5The second waterborne polyurethane resin 100g, water 20g, water-based levelling agent 1g, water-based thickener 1.5g, water-based antifoaming agent 1.5g;
The tack coat slurry; Modulus is 35kg/cm
2, molecular weight 0.6 * 10
5The first waterborne polyurethane resin 100g, water 10g, water-based levelling agent 1g, water-based thickener 2g, water-based antifoaming agent 1.5g.
The preparation method:
The production of nonwoven fabric;
The wet method base, with the 5th waterborne polyurethane resin high-speed stirred after 30 minutes, in temperature for being under 50 ℃ in temperature; Add the water-based levelling agent, stir after 15 minutes, add the water-based antifoaming agent; Stirred 2 minutes, and static 10 minutes, added entry and be modulated into the base pastes that viscosity is 170CPS; Will ultra fine nonwoven fabric contain and be immersed in the said base pastes, treat that slurry solidifies that the back is extracted out, washing, oven dry, soft, dyeing, mill leather become base of the said end.
The dry method veneer,
The preparation superficial layer: after 30 minutes, is 50 ℃ under in temperature with the 4th waterborne polyurethane resin high-speed stirred, adds water-based levelling agent and water-based thickener; Stir after 15 minutes, add the water-based antifoaming agent, stirred 2 minutes; Static 10 minutes, add water and be modulated into the superficial layer slurry that viscosity is 1200CPS, the superficial layer slurry is not had the gap be coated with and scrape on carrier side; Form 2 coating, with being coated with the carrier side of scraping the superficial layer slurry speed operation, respectively through the oven dry that progressively heats up of 65 ℃, 75 ℃ temperature sections with 8m/min; The length of each temperature section is 3m, and rotation speed of fan is 300 rev/mins; Form superficial layer;
In preparation second intermediate layer on the superficial layer: after 30 minutes, is 50 ℃ under in temperature with the 3rd waterborne polyurethane resin high-speed stirred, adds water-based levelling agent and water-based thickener; Stir after 15 minutes, add the water-based antifoaming agent, stirred 2 minutes; Static 10 minutes, add entry and be modulated into the second intermediate layer slurry that viscosity is 2200CPS, the second intermediate layer slurry is coated with scrapes on superficial layer; Form 12 coating, with being coated with the carrier side of scraping the second intermediate layer slurry speed operation, respectively through the oven dry that progressively heats up of 75 ℃, 80 ℃, 85 ℃, 90 ℃ temperature sections with 8m/min; The length of each temperature section is 4m, and rotation speed of fan is 400 rev/mins; Oven dry forms second intermediate layer;
In preparation first intermediate layer on second intermediate layer: after 50 minutes, is 70 ℃ under in temperature with the second waterborne polyurethane resin high-speed stirred, adds water-based levelling agent and water-based thickener; Stir after 20 minutes, add the water-based antifoaming agent, stirred 3 minutes; Static 10 minutes, add entry and be modulated into the first intermediate layer slurry that viscosity is 3300CPS, the first intermediate layer slurry is coated with scrapes on second intermediate layer; Form 12 coating, scrape by the speed operation of the carrier side of the first intermediate layer slurry, respectively through the oven dry that progressively heats up of 80 ℃, 85 ℃, 90 ℃, 95 ℃ temperature sections with 8m/min with being coated with; The length of each temperature section is 4m, and rotation speed of fan is 500 rev/mins; Oven dry forms first intermediate layer;
Preparing tack coat on first intermediate layer: after 50 minutes, is 70 ℃ under in temperature with the first waterborne polyurethane resin high-speed stirred, adds water-based levelling agent and water-based thickener; Stir after 15 minutes, add the water-based antifoaming agent, stirred 2 minutes; Static 10 minutes; Add entry and be modulated into the slurry that viscosity is 5300CPS, the tack coat slurry is coated with scrapes on the intermediate layer, form 12 tack coat;
The mode that the employing wet method is fitted behind 100 ℃ of following high temperature preheatings, is fitted base of the said end with tack coat and base of the said end, laminate pressure is 0.8MPa, and dry under 100 ℃ the back of fitting, and the applying thing moves 20 meters with the speed of 6m/min in the drying course; The cooling of oven dry back is peeled off and is formed ultra fine environmental protection flame retardant synthetic leather.
Embodiment 3
Nonwoven fabric: one synthetic leather company of Zhejiang section produces.
Base pastes: modulus is 30kg/cm
2, molecular weight is 0.5 * 10
5The 5th waterborne polyurethane resin 90g, water 75g, water-based levelling agent 2g, water-based antifoaming agent 2g.
The superficial layer slurry: modulus is 30kg/cm
2, molecular weight is 0.5 * 10
5The 4th waterborne polyurethane resin 90g, water 35g, water-based levelling agent 2g, water-based thickener 1g, water-based antifoaming agent 1g;
The second intermediate layer slurry: modulus is 60kg/cm
2, molecular weight is 0.6 * 10
5The 3rd waterborne polyurethane resin 90g, water 25g, water-based levelling agent 1g, water-based thickener 1.5g, water-based antifoaming agent 1.5g;
The first intermediate layer slurry: modulus is 60kg/cm
2, molecular weight is 0.6 * 10
5The second waterborne polyurethane resin 90g, water 25g, water-based levelling agent 1g, water-based thickener 1.5g, water-based antifoaming agent 1.5g;
The tack coat slurry; Modulus is 30kg/cm
2, molecular weight is 0.5 * 10
5The first waterborne polyurethane resin 90g, water 15g, water-based levelling agent 1g, water-based thickener 2g, water-based antifoaming agent 1.5g.
The preparation method:
The production of nonwoven fabric;
The wet method base; With waterborne polyurethane resin high-speed stirred 50 minutes; Add entry and be modulated into the base pastes that viscosity is 160CPS, will ultra fine nonwoven fabric contain and be immersed in the said base pastes, treat that slurry solidifies that the back is extracted out, washing, oven dry, soft, dyeing, mill leather become base of the said end.
The dry method veneer,
The preparation superficial layer: after 30 minutes, is 60 ℃ under in temperature with the waterborne polyurethane resin high-speed stirred, adds water-based levelling agent and water-based thickener; Stir after 20 minutes, add the water-based antifoaming agent, stirred 3 minutes; Static 10 minutes, add water and be modulated into the superficial layer slurry that viscosity is 1000CPS, the superficial layer slurry is not had the gap be coated with and scrape on carrier side; Form 2 coating, with being coated with the carrier side of scraping the superficial layer slurry speed operation, respectively through the oven dry that progressively heats up of 70 ℃, 80 ℃ temperature sections with 9m/min; The length of each temperature section is 3m, and rotation speed of fan is 300 rev/mins; Form superficial layer;
In preparation second intermediate layer on the superficial layer: after 30 minutes, is 50 ℃ under in temperature with the waterborne polyurethane resin high-speed stirred, adds water-based levelling agent and water-based thickener; Stir after 15 minutes, add the water-based antifoaming agent, stirred 2 minutes; Static 10 minutes, add entry and be modulated into the second intermediate layer slurry that viscosity is 2000CPS, the second intermediate layer slurry is coated with scrapes on superficial layer; Form 12 coating, with being coated with the carrier side of scraping the second intermediate layer slurry speed operation, respectively through the oven dry that progressively heats up of 70 ℃, 75 ℃, 80 ℃, 85 ℃ temperature sections with 8m/min; The length of each temperature section is 4m, and rotation speed of fan is 400 rev/mins; Oven dry forms second intermediate layer;
In preparation first intermediate layer on second intermediate layer: after 30 minutes, is 50 ℃ under in temperature with the waterborne polyurethane resin high-speed stirred, adds water-based levelling agent and water-based thickener; Stir after 15 minutes, add the water-based antifoaming agent, stirred 2 minutes; Static 10 minutes, add entry and be modulated into the first intermediate layer slurry that viscosity is 3000CPS, the first intermediate layer slurry is coated with scrapes on second intermediate layer; Form 12 coating, scrape by the speed operation of the carrier side of the first intermediate layer slurry, respectively through the oven dry that progressively heats up of 75 ℃, 80 ℃, 85 ℃, 90 ℃ temperature sections with 8m/min with being coated with; The length of each temperature section is 4m, and rotation speed of fan is 500 rev/mins; Oven dry forms first intermediate layer;
Preparing tack coat on first intermediate layer: after 30 minutes, is 50 ℃ under in temperature with the waterborne polyurethane resin high-speed stirred, adds water-based levelling agent and water-based thickener; Stir after 15 minutes, add the water-based antifoaming agent, stirred 2 minutes; Static 10 minutes; Add entry and be modulated into the slurry that viscosity is 5000CPS, the tack coat slurry is coated with scrapes on the intermediate layer, form 12 tack coat;
The mode that the employing wet method is fitted behind 100 ℃ of following high temperature preheatings, is fitted base of the said end with tack coat and base of the said end, laminate pressure is 0.8MPa, and dry under 100 ℃ the back of fitting, and the applying thing moves 20 meters with the speed of 6m/min in the drying course; The cooling of oven dry back is peeled off and is formed ultra fine environmental protection flame retardant synthetic leather.
Embodiment 4
Nonwoven fabric: one synthetic leather company of Zhejiang section produces.
Base pastes: modulus is 30kg/cm
2, molecular weight is 0.5 * 10
5The 5th waterborne polyurethane resin 90g, water 75g, water-based levelling agent 2g, water-based antifoaming agent 2g.
The superficial layer slurry: modulus is 30kg/cm
2, molecular weight is 0.5 * 10
5The 4th waterborne polyurethane resin 90g, water 35g, water-based levelling agent 2g, water-based thickener 1g, water-based antifoaming agent 1g;
The second intermediate layer slurry: modulus is 60kg/cm
2, molecular weight is 0.6 * 10
5The 3rd waterborne polyurethane resin 90g, water 25g, water-based levelling agent 1g, water-based thickener 1.5g, water-based antifoaming agent 1.5g;
The 3rd intermediate layer slurry: modulus is 60kg/cm
2, molecular weight is 0.6 * 10
5The 6th waterborne polyurethane resin 90g, water 25g, water-based levelling agent 1g, water-based thickener 1.5g, water-based antifoaming agent 1.5g;
The first intermediate layer slurry: modulus is 60kg/cm
2, molecular weight is 0.6 * 10
5The second waterborne polyurethane resin 90g, water 25g, water-based levelling agent 1g, water-based thickener 1.5g, water-based antifoaming agent 1.5g;
The tack coat slurry; Modulus is 30kg/cm
2, molecular weight is 0.5 * 10
5The first waterborne polyurethane resin 90g, water 15g, water-based levelling agent 1g, water-based thickener 2g, water-based antifoaming agent 1.5g.
Preparation method: with embodiment 3
Wherein, between second intermediate layer and first intermediate layer, also comprise the making in the 3rd intermediate layer.
In preparation the 3rd intermediate layer on second intermediate layer: after 30 minutes, is 50 ℃ under in temperature with the 6th waterborne polyurethane resin high-speed stirred, adds water-based levelling agent and water-based thickener; Stir after 15 minutes, add the water-based antifoaming agent, stirred 2 minutes; Static 10 minutes, add entry and be modulated into the 3rd intermediate layer slurry that viscosity is 2500CPS, the first intermediate layer slurry is coated with scrapes on second intermediate layer; Form 12 coating, scrape by the speed operation of the carrier side of the 3rd intermediate layer slurry, respectively through the oven dry that progressively heats up of 75 ℃, 80 ℃, 85 ℃, 90 ℃ temperature sections with 8m/min with being coated with; The length of each temperature section is 4m, and rotation speed of fan is 500 rev/mins; Oven dry forms the 3rd intermediate layer;
Preparation first intermediate layer on the 3rd intermediate layer.
Comparative Examples 1
Raw material:
Nonwoven fabric: common double suede base cloth
Base pastes: polyethers, gather 100 parts of calcareous type ammonia ester resins, DMF50 part, 1 part in solvent-borne type colorant, 5 parts of wood powders.
Superficial layer slurry: polyethers, gather 100 parts of calcareous type ammonia ester resins, 10 parts of solvents, 15 parts in colorant, 1 part of levelling agent, help 1 part of stripping meter.
Tack coat slurry: polyethers, gather 100 parts of calcareous type ammonia ester resins, 10 parts of solvents, 10 parts in colorant, 0.5 part of levelling agent.
Preparation technology:
The first step: two suede base cloth-impregnations-damping-wet coat-solidify-wash-dry-PU wet method base material
Second step: the surperficial slurry of release liners-unreel-smear-dry-smear tack coat slurry-preliminary drying-with PU wet method base material applying-oven dry-maturation-synthetic leather.
Below water-based synthetic leather that embodiment of the invention 1-4 is prepared and have the various aspects of performance of the prepared synthetic leather of Comparative Examples 1 to make a concrete analysis of.
The contrast of feel and outward appearance
The outward appearance observed result of synthetic leather that embodiment 1-4 is prepared and Comparative Examples 1 natural leather is listed in the table 1.
Table 1
| Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Comparative Examples 1 | |
| Elasticity | Better | Better | Excellent | Excellent | Better |
| Fullness | Better | Full | Full | Full | Better |
| Pliability | Better | Excellent | Excellent | Excellent | Better |
| Graining | Clear | Normally | Clear | Clear | Clear |
Can find out that by data in the table 1 compared with documents 1 prepared common synthetic leather by the water-based synthetic leather that the present invention is prepared, outward appearance and feel can both meet or exceed the level of common synthetic leather.The performance indications contrast
The outward appearance observed result of synthetic leather that embodiment 1-4 is prepared and Comparative Examples 1 natural leather is listed in the table 2.
Table 2
| Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Comparative Examples 1 | |
| Tensile strength (N/mm 2) | 13 | 15 | 12 | 15 | 15 |
| Tearing strength (N/mm 2) | 110 | 108 | 103 | 115 | 120 |
| Water permeability (mg/10cm 2，24h) | 400 | 420 | 418 | 435 | 460 |
| Surface colour fastness (level) | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 |
| Wear-resisting (1Kg/ commentaries on classics) | 800 change | 800 change | 800 change | 800 change | 900 change |
| Heatproof folding endurance (subzero 20 ℃, inferior) | 80000 | 85000 | 83000 | 88000 | 100000 |
Can find out that by data in the table 2 various aspects of performance of the water-based synthetic leather that embodiment of the invention 1-3 is prepared is near common synthetic leather prepared in the documents 1.And do not contain organic solvent in the prepared water-based synthetic leather of the present invention, and be the use of synthetic leather or the effect that the production of synthetic leather has all realized environmental protection, more help health.
More than be merely the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various changes and variation.All within spirit of the present invention and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. ultra fine environment-friendly water-based synthetic leather; It is characterized in that; Comprise ultra fine nonwoven fabric, cover the bottom on the said nonwoven fabric, and cover the surface layer on the said bottom, wherein; Said surface layer comprises that at least 4 layers are coated with by slurry and scrape the coating that forms, and comprise in said each layer slurry: aqueous polyurethane, water and aqueous promoter.
2. the environment-friendly water-based synthetic leather of ultra fibre according to claim 1 is characterized in that, comprises 4 layers of coating in the said surface layer, is respectively:
Tack coat, cover said bottom above, the slurry of said tack coat comprises following raw material by weight:
First waterborne polyurethane resin 80-100 part, water 10-20 part, aqueous promoter 0-5 part;
First intermediate layer, cover said tack coat above, the slurry in said first intermediate layer comprises following raw material by weight:
Second waterborne polyurethane resin 80-100 part, water 20-30 part, aqueous promoter 0-5 part;
Second intermediate layer, cover said first intermediate layer above, the slurry in said second intermediate layer comprises following raw material by weight:
The 3rd waterborne polyurethane resin 80-100 part, water 20-30 part, aqueous promoter 0-5 part;
Superficial layer, cover said second intermediate layer above, the slurry of said superficial layer comprises following raw material by weight;
The 4th waterborne polyurethane resin 80-100 part, water 30-40 part, aqueous promoter 0-5 part;
Wherein, said first waterborne polyurethane resin is that modulus is 25-35kg/cm
2, molecular weight is 0.5 * 10
5-0.6 * 10
5The polyurethane resin of Mr; Said second waterborne polyurethane resin is that modulus is 55-65kg/cm
2, molecular weight is 0.6 * 10
5-0.7 * 10
5Polyurethane resin; Said the 3rd waterborne polyurethane resin is that modulus is 55-65kg/cm
2, molecular weight is 0.6 * 10
5-0.7 * 10
5Polyurethane resin; Said the 4th waterborne polyurethane resin is that modulus is 65-75kg/cm
2, molecular weight 0.7 * 10
5-0.8 * 10
5Polyurethane resin.
3. the environment-friendly water-based synthetic leather of ultra fibre according to claim 1 is characterized in that the viscosity of said tack coat slurry is 5000-5500CPS; The viscosity of the said first intermediate layer slurry is 3000-3500CPS; The viscosity of the said second intermediate layer slurry is 2000-2500CPS; The viscosity of said superficial layer slurry is 1000-1500CPS.
4. the environment-friendly water-based synthetic leather of ultra fibre according to claim 1 is characterized in that, said aqueous promoter is one or more in water-based thickener, water-based levelling agent, the water-based antifoaming agent.
5. the environment-friendly water-based synthetic leather of ultra fibre according to claim 1; It is characterized in that; Base pastes in the said bottom comprises by weight: the 5th waterborne polyurethane resin 80-100 part, water 70-80 part, aqueous promoter 0-5 part, said the 5th waterborne polyurethane resin are that modulus is 25-35kg/cm
2, molecular weight is 0.5 * 10
5-0.6 * 10
5Polyurethane resin.
6. the preparation method like the environment-friendly water-based synthetic leather of each described ultra fibre among the claim 1-5 is characterized in that, may further comprise the steps:
The production of nonwoven fabric;
The wet method base contains said nonwoven fabric in the base pastes that is immersed in said bottom, preparation end base;
The dry method veneer; On carrier side, be coated with successively and scrape the superficial layer slurry and form said superficial layer, be coated with and scrape the second intermediate layer slurry and form said second intermediate layer, be coated with and scrape the first intermediate layer slurry and form said first intermediate layer and be coated with and scrape the tack coat slurry and form said tack coat, generate said surface layer;
Tack coat in the said surface layer one side and the base applying of the said end, oven dry, cooling, glass are generated said ultra fine environmental protection flame retardant synthetic leather.
7. preparation method according to claim 6 is characterized in that, said dry method veneer further may further comprise the steps:
The preparation of said superficial layer may further comprise the steps:
Behind the 4th waterborne polyurethane resin high-speed stirred 30-60min, be under 50-70 ℃ in temperature, add aqueous promoter, stir 15-20min again after, add water and be modulated into the superficial layer slurry that viscosity is 1000-1500CPS,
The superficial layer slurry is not had the gap be coated with and scrape on carrier side, form the coating of 1-2 silk, oven dry forms superficial layer;
The preparation in said second intermediate layer may further comprise the steps:
Behind the 3rd waterborne polyurethane resin high-speed stirred 30-60min, be under 50-70 ℃ in temperature, add aqueous promoter, stir 15-20min again after, add entry and be modulated into the second intermediate layer slurry that viscosity is 2000-2500CPS,
The second intermediate layer slurry is coated with scrapes on superficial layer, form the coating of 8-12 silk, oven dry forms second intermediate layer;
The preparation in said first intermediate layer may further comprise the steps:
Behind the second waterborne polyurethane resin high-speed stirred 30-60min, be under 50-70 ℃ in temperature, add aqueous promoter, stir 15-20min again after, add entry and be modulated into the first intermediate layer slurry that viscosity is 3000-3500CPS,
The first intermediate layer slurry is coated with scrapes on second intermediate layer, form the coating of 8-12 silk, oven dry forms first intermediate layer;
The preparation of said tack coat may further comprise the steps:
Behind the first waterborne polyurethane resin high-speed stirred 30-60min, be under 50-70 ℃ in temperature, add aqueous promoter; After stirring 15-20min again; Add entry and be modulated into the slurry that viscosity is 5000-5500CPS, the tack coat slurry is coated with scrapes on the intermediate layer, form the tack coat of 2-12 silk.
8. preparation method according to claim 7 is characterized in that, said dry method veneer further may further comprise the steps:
In the preparation process of said superficial layer, the step of oven dry further comprises:
With being coated with the carrier side of scraping the superficial layer slurry speed operation with 8-9m/min, through the oven dry that progressively heats up of 65-75 ℃, 75-85 ℃ temperature section, the length of each temperature section is 3m respectively, and rotation speed of fan is 300 rev/mins;
In the preparation process in said second intermediate layer, the step of oven dry further comprises:
With being coated with the carrier side of scraping the second intermediate layer slurry speed operation with 8-9m/min, through the oven dry that progressively heats up of 65-75 ℃, 70-80 ℃, 75-85 ℃, 80-90 ℃ temperature section, the length of each temperature section is 4m respectively, and rotation speed of fan is 400 rev/mins;
In the preparation process in said first intermediate layer, the step of oven dry further comprises:
Scrape by the speed operation with 8-9m/min of the carrier side of the first intermediate layer slurry being coated with, through the oven dry that progressively heats up of 70-80 ℃, 75-85 ℃, 80-90 ℃, 85-95 ℃ temperature section, the length of each temperature section is 4m respectively, and rotation speed of fan is 500 rev/mins.
9. preparation method according to claim 8 is characterized in that, the preparation of base of the said end further may further comprise the steps:
Behind the 5th waterborne polyurethane resin high-speed stirred 30-60min, be under 50-70 ℃ in temperature, add aqueous promoter, stir 15-20min again after, add entry and be modulated into the base pastes that viscosity is 150-170CPS,
Will ultra fine nonwoven fabric contain and be immersed in the said base pastes, treat that slurry solidifies that the back is extracted out, washing, oven dry, soft, dyeing, mill leather become base of the said end.
10. preparation method according to claim 9 is characterized in that, the step that one side of the tack coat in the said surface layer and base of the said end are fitted further comprises:
The mode that adopts wet method to fit; Base of the said end behind 100-110 ℃ of following high temperature preheating, is fitted tack coat and base of the said end, and laminate pressure is 0.5-0.8MPa; Under 100-105 ℃, dry after fitting, the applying thing moves 20 meters with the speed of 6m/min in the drying course;
The cooling of oven dry back is peeled off and is formed ultra fine environmental protection flame retardant synthetic leather.
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101613448A (en) * | 2009-07-10 | 2009-12-30 | 烟台道成化学有限公司 | The preparation method of a kind of waterborne polyurethane resin and dipping sizing agent for synthetic leather base material |
| CN101725052A (en) * | 2009-11-04 | 2010-06-09 | 烟台万华超纤股份有限公司 | Waterborne polyurethane resin superfiber leather and manufacturing method thereof |
| CN101942767A (en) * | 2010-07-28 | 2011-01-12 | 丽水市优耐克水性树脂科技有限公司 | Interior wall adornment leather and preparation method |
| CN101941321A (en) * | 2010-08-03 | 2011-01-12 | 丽水市优耐克水性树脂科技有限公司 | Method for manufacturing synthetic leather and synthetic leather |
| CN102115983A (en) * | 2011-01-26 | 2011-07-06 | 烟台华大化学工业有限公司 | Aqueous polyurethane superfine fiber synthetic leather and preparation method thereof |
-
2011
- 2011-08-15 CN CN 201110232140 patent/CN102383316B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101613448A (en) * | 2009-07-10 | 2009-12-30 | 烟台道成化学有限公司 | The preparation method of a kind of waterborne polyurethane resin and dipping sizing agent for synthetic leather base material |
| CN101725052A (en) * | 2009-11-04 | 2010-06-09 | 烟台万华超纤股份有限公司 | Waterborne polyurethane resin superfiber leather and manufacturing method thereof |
| CN101942767A (en) * | 2010-07-28 | 2011-01-12 | 丽水市优耐克水性树脂科技有限公司 | Interior wall adornment leather and preparation method |
| CN101941321A (en) * | 2010-08-03 | 2011-01-12 | 丽水市优耐克水性树脂科技有限公司 | Method for manufacturing synthetic leather and synthetic leather |
| CN102115983A (en) * | 2011-01-26 | 2011-07-06 | 烟台华大化学工业有限公司 | Aqueous polyurethane superfine fiber synthetic leather and preparation method thereof |
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