CN103709723A - Dyeable jmbuck micro suede polyurethane resin and a preparation method thereof as well as a synthetic leather preparation method - Google Patents
Dyeable jmbuck micro suede polyurethane resin and a preparation method thereof as well as a synthetic leather preparation method Download PDFInfo
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- CN103709723A CN103709723A CN201310688971.5A CN201310688971A CN103709723A CN 103709723 A CN103709723 A CN 103709723A CN 201310688971 A CN201310688971 A CN 201310688971A CN 103709723 A CN103709723 A CN 103709723A
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Abstract
The invention provides dyeable jmbuck micro suede polyurethane resin. The dyeable jmbuck micro suede polyurethane resin comprises the components: eco-solvent aliphatic polyurethane resin, an eco-solvent, polyether modified siloxane, silicon dioxide extinction powder, palm wax, polyoxyethylene ether and jmbuck microcapsule powder. The invention also relates to a preparation method of dyeable jmbuck micro suede synthetic leather through the polyurethane resin. The preparation method is characterized by comprising the following steps of adding a solvent to dyeable jmbuck micro suede polyurethane resin; uniformly and fully agitating; coating on release paper as fabric size; drying; coating a polyurethane binder resin solution on a surface film and binding with a bottom fabric; drying; rolling; stripping; and foaming to obtain the dyeable jmbuck micro suede polyurethane resin synthetic leather. The prepared dyeable jmbuck micro suede polyurethane resin synthetic leather touches soft and full, shows a good villus writing effect, is bright in color and high in color fastness after dyeing, and can be comparable with chamois.
Description
Technical field
The present invention relates to a kind of sheep Ba Fang chamois leather urethane resin and preparation method thereof that dyes, and take the manufacture method of the dyeed sheep Ba Fang chamois leather synthetic leather that this urethane resin makes as main raw material.
Background technology
Along with improving constantly of people's living standard, also more and more higher with Synthetic Leather and goods requirement thereof, traditional assortment, lines effect, surface touch can not meet the appreciation taste that people improve day by day.Even and while developing some and to have the synthetic leather product of artificial leather performance be the important topic of pendulum in face of ours.The sheep Ba Fang chamois leather synthetic leather that can dye is exactly for adapting to one of novel product that this needs develop.
Tradition sheep Ba Ge mainly exists that foaming is inhomogeneous, abscess thick, sense of touch lacks and changes and the situation such as writing effect is poor.For the sheep Ba Ge that has dyeing to require, because its upper layer through foaming is compared with the upper layer of conventional polyurethanes, specific surface area is large, easily adsorbs a large amount of dye molecules, but dyestuff is difficult to enter polyurethane molecular inside, easily cause that dyeing is uneven, the situation such as grow dim.
The sheep Ba Fang chamois leather synthetic leather that dyes of the present invention is a kind of velour, and abscess is evenly soft, and writing effect is good, approach, and dyeability is good, colour fastness is good, can be widely used in the fields such as clothes, case and bag with the surface effect of suede nap.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of sheep Ba Fang chamois leather urethane resin that dyes for the existing deficiency of prior art, and this sheep Ba Fang chamois leather urethane resin that can dye is soft,
Plentiful, fine hair writing effect is strong, and dyed rear color and luster is beautiful, and colour fastness is good, can compare favourably with chamois leather.
Technical problem to be solved by this invention can be achieved through the following technical solutions:
As a first aspect of the present invention, a kind of sheep Ba Fang chamois leather urethane resin that dyes, is characterized in that, the raw material of following mass percent, consists of:
Described Weak solvent is one or both mixture of toluene, butanone, vinyl acetic monomer, Virahol, N-BUTYL ACETATE, isopropylcarbinol, methylcarbonate.
Described Weak solvent aliphatic polyurethane resin is HDS-30YP, HDS-50YP or the HDS-80YP that Shanghai Huide Chemical Co., Ltd. produces, and its solid content is that 25～30%, 100% modulus is 30～80kg/m
2.
Described sheep bar microcapsule powder is acrylate microcapsule powder, and particle diameter is 20～40 μ m.
The preparation method who uses urethane resin as a kind of sheep Ba Fang chamois leather that dyes of second aspect present invention, is characterized in that, comprises following steps:
1) Weak solvent of formula ratio, polyether modified siloxane, palm wax, silicon-dioxide flatting silica, Soxylat A 25-7 are fully mixed and stirred;
2) in the mixture obtaining in step 1), add Weak solvent aliphatic polyurethane resin, sheep bar microcapsule powder to stir, obtain the sheep Ba Fang chamois leather urethane resin that can dye.
As third aspect present invention, a kind of utilization method that sheep Ba Fang chamois leather urethane resin is made the sheep Ba Fang chamois leather synthetic leather that can dye that can dye, is characterized in that, comprises following steps:
1) can dye sheep Ba Fang chamois leather urethane resin and DMF is mixed with surface layer mixed pulp, and surface layer mixed pulp is with 40-60g/m
2starching amount be coated on uniformly in separate-type paper, dry in the air dry oven of 100-110 ℃, linear speed is 15-20m/min, cooling through cooling roller;
2) by the method for step 1), repeat again coating once, in described separate-type paper, form again one deck surface layer film;
3) on the surface layer film of described separate-type paper with 80-100g/m
2starching amount be evenly coated with polyurethane adhesive mixed with resin slurry, on surface layer film, form one deck adhesive linkage, then directly by base fabric, the pressure with 0.3-0.4Mpa presses on described adhesive linkage, and dry in the air dry oven of 110-120 ℃, linear speed is 15-20m/min; After cooling roller is cooling, paper, leather are peeled off, roll respectively and obtain synthetic leather;
4) will peel off the air dry oven foaming through 150～170 ℃ of the synthetic leather that obtains, linear speed is 15-20m/min, and sheep Ba Fang chamois leather synthetic leather finally obtains dyeing.
So-called starching amount is: the weight of every square metre of coating resin mixed pulp.
In a preferred embodiment of the present invention, described surface layer mixed pulp, is comprised of the raw material of following mass percent:
Sheep Ba Fang chamois leather urethane resin 80% can dye
DMF 20%.
In a more preferred embodiment of the present invention, described base fabric is looped fabric, woven fabric or non-woven fabrics, fit in cloth play hair side or without hair side.
In a more preferred embodiment of the present invention, described polyurethane adhesive mixed with resin slurry, is comprised of the raw material of following mass percent:
Polyurethane adhesive resin HDA-25(Shanghai Huide Chemical Co., Ltd. produces) 65%
Toluene 35%.
The sheep Ba Fang chamois leather urethane resin that dyes of the present invention is soft, plentiful, and fine hair writing effect is strong, and dyed rear color and luster is beautiful, and colour fastness is good, can compare favourably with chamois leather.
Embodiment
Below in conjunction with specific embodiment, the present invention is described in more detail.
Unless embodiment has special explanation below, its toluene is commercially available, and polyether modified siloxane is BYK-325, and silicon-dioxide flatting silica is TS-100, and palm wax is Brazilian T1 powder, and Soxylat A 25-7 is AEO-9, and sheep bar microcapsule powder is this microsphere of pine F-102.
Embodiment 1
1. fill a prescription
Weak solvent aliphatic polyurethane resin described in formula is the trade mark HDW-30YP that Shanghai Huide Chemical Co., Ltd. produces, and solid content is 24%, and 100% modulus of this resin is 32kg/m
2.
2. preparation method
1) toluene, polyether modified siloxane, palm wax, silicon-dioxide flatting silica, Soxylat A 25-7 are fully mixed and stirred.
2) in the mixture obtaining in step 1), add HDW-30YP, sheep bar microcapsule powder to stir, obtain the sheep Ba Fang chamois leather urethane resin A that can dye.
3. leather-making technology
Can dye surface layer mixed pulp that sheep Ba Fang chamois leather urethane resin A8kg and DMF 2kg mix rear preparation with 42g/m
2starching amount is coated in separate-type paper uniformly, and dry in the air dry oven of 102 ℃, linear speed is 20m/min, after cooling roller is cooling again by surface layer mixed pulp with 42g/m
2starching amount evenly coating once, is dried in the air dry oven of 102 ℃, and linear speed is 20m/min, forms surface layer film after cooling roller is cooling in separate-type paper; Then on the surface layer film of separate-type paper with 82g/m
2starching amount is evenly coated with polyurethane adhesive mixed with resin slurry, forms one deck adhesive linkage on surface layer film, more directly woven fabric is played to hair side and press on above-mentioned adhesive linkage with the pressure of 0.4Mpa, and dry in the air dry oven of 112 ℃, linear speed is 20m/min.After cooling roller is cooling, paper, leather are peeled off, roll respectively and obtain synthetic leather.To peel off the air dry oven foaming through 155 ℃ of the synthetic leather that obtains, linear speed is 18m/min, and sheep Ba Fang chamois leather synthetic leather A obtains dyeing.
Above-mentioned polyurethane adhesive mixed with resin slurry is to be mixed and be prepared from by polyurethane adhesive resin HDA-256.37kg and toluene 3.43kg.
Embodiment 2
1. fill a prescription
Weak solvent aliphatic polyurethane resin described in formula is the trade mark HDW-50YP that Shanghai Huide Chemical Co., Ltd. produces, and solid content is 25%, and 100% modulus of this resin is 55kg/m
2.
2. preparation method
1) butanone, vinyl acetic monomer, polyether modified siloxane, palm wax, silicon-dioxide flatting silica, Soxylat A 25-7 are fully mixed and stirred;
2) in the mixture obtaining in step 1), add HDW-50YP, sheep bar microcapsule powder to stir, obtain the sheep Ba Fang chamois leather urethane resin B that can dye.
3. leather-making technology
Can dye sheep Ba Fang chamois leather urethane resin B8kg and DMF 2kg mixes with 52g/m
2starching amount is coated in separate-type paper uniformly, and dry in the air dry oven of 105 ℃, linear speed is 17m/min, after cooling roller is cooling again by surface layer mixed pulp with 52g/m
2starching amount evenly coating once, is dried in the air dry oven of 105 ℃, and linear speed is 17m/min, forms surface layer film after cooling roller is cooling in separate-type paper; Then on the surface layer film of separate-type paper with 93g/m
2starching amount is evenly coated with polyurethane adhesive mixed with resin slurry, forms one deck adhesive linkage on surface layer film, more directly by woven fabric, without hair side, the pressure with 0.35Mpa presses on above-mentioned bonding coat, and dry in the air dry oven of 115 ℃, linear speed is 17m/min.After cooling roller is cooling, paper, leather are peeled off, roll respectively and obtain synthetic leather.To peel off the air dry oven foaming through 162 ℃ of the synthetic leather that obtains, linear speed is 20m/min, and sheep Ba Fang chamois leather synthetic leather B obtains dyeing.
Above-mentioned polyurethane adhesive mixed with resin slurry is to be mixed and be prepared from by polyurethane adhesive resin HDA-255.85kg and toluene 3.15kg.
Embodiment 3
1. fill a prescription
Weak solvent aliphatic polyurethane resin described in formula is the trade mark HDS-50YP that Shanghai Huide Chemical Co., Ltd. produces, and solid content is 25%, and 100% modulus of this resin is 46kg/m
2.
2. preparation method
1) N-BUTYL ACETATE, polyether modified siloxane, palm wax, silicon-dioxide flatting silica, Soxylat A 25-7 are fully mixed and stirred;
2) in the mixture obtaining in step 1), add HDS-50YP, sheep bar microcapsule powder to stir, obtain the sheep Ba Fang chamois leather urethane resin C that can dye.
3. leather-making technology
Can dye sheep Ba Fang chamois leather urethane resin C8kg and DMF 2kg mixes with 59g/m
2starching amount is coated in separate-type paper uniformly, and dry in the air dry oven of 107 ℃, linear speed is 15m/min, after cooling roller is cooling again by surface layer mixed pulp with 59g/m
2starching amount evenly coating once, is dried in the air dry oven of 107 ℃, and linear speed is 15m/min, forms surface layer film after cooling roller is cooling in separate-type paper; Then on the surface layer film of separate-type paper with 96g/m
2starching amount is evenly coated with polyurethane adhesive mixed with resin slurry, on surface layer film, form one deck adhesive linkage, directly by woven fabric, without hair side, the pressure with 0.3Mpa presses in above-mentioned separate-type paper coating again, and dry in the air dry oven of 120 ℃, linear speed is 15m/min.After cooling roller is cooling, paper, leather are peeled off, roll respectively and obtain synthetic leather.To peel off the air dry oven foaming through 165 ℃ of the synthetic leather that obtains, linear speed is 15m/min, and sheep Ba Fang chamois leather synthetic leather C obtains dyeing.
Above-mentioned polyurethane adhesive mixed with resin slurry is to be mixed and be prepared from by polyurethane adhesive resin HDA-255.33kg and toluene 2.87kg.
Embodiment 4
1. fill a prescription
Weak solvent aliphatic polyurethane resin described in formula is the trade mark HDS-80YP that Shanghai Huide Chemical Co., Ltd. produces, and solid content is 26%, and 100% modulus of this resin is 72kg/m
2.
2. preparation method
1) Virahol, methylcarbonate, polyether modified siloxane, palm wax, silicon-dioxide flatting silica, Soxylat A 25-7 are fully mixed and stirred;
2) in the mixture obtaining in step 1), add HDS-80YP, Weak solvent, sheep bar microcapsule powder to stir, obtain the sheep Ba Fang chamois leather urethane resin D that can dye.
3. leather-making technology
Can dye sheep Ba Fang chamois leather urethane resin D8kg and DMF 2kg mixes with 47g/m
2starching amount is coated in separate-type paper uniformly, and dry in the air dry oven of 103 ℃, linear speed is 16m/min, after cooling roller is cooling again by surface layer mixed pulp with 47g/m
2starching amount evenly coating once, is dried in the air dry oven of 103 ℃, and linear speed is 16m/min, forms surface layer film after cooling roller is cooling in separate-type paper; Then on the surface layer film of separate-type paper with 86g/m
2starching amount is evenly coated with polyurethane adhesive mixed with resin slurry, forms one deck adhesive linkage on surface layer film, more directly by non-woven fabrics, the pressure with 0.4Mpa presses in above-mentioned separate-type paper coating, and dry in the air dry oven of 117 ℃, linear speed is 16m/min.After cooling roller is cooling, paper, leather are peeled off, roll respectively and obtain synthetic leather.To peel off the air dry oven foaming through 158 ℃ of the synthetic leather that obtains, linear speed is 15m/min, and sheep Ba Fang chamois leather synthetic leather D obtains dyeing.
Above-mentioned polyurethane adhesive mixed with resin slurry is to be mixed and be prepared from by polyurethane adhesive resin HDA-255.98kg and toluene 3.22kg.
Embodiment 5
1. fill a prescription
Weak solvent aliphatic polyurethane resin described in formula is the trade mark HDS-80YP that Shanghai Huide Chemical Co., Ltd. produces, and solid content is 24%, and 100% modulus of this resin is 80kg/m
2.
2. preparation method
1) isopropylcarbinol, polyether modified siloxane, palm wax, silicon-dioxide flatting silica, Soxylat A 25-7 are fully mixed and stirred;
2) in the mixture obtaining in step 1), add HDS-80YP, sheep bar microcapsule powder to stir, obtain the sheep Ba Fang chamois leather urethane resin E that can dye.
3. leather-making technology
Can dye sheep Ba Fang chamois leather urethane resin E8kg and DMF 2kg mixes with 60g/m
2starching amount is coated in separate-type paper uniformly, and dry in the air dry oven of 110 ℃, linear speed is 15m/min, after cooling roller is cooling again by surface layer mixed pulp with 60g/m
2starching amount evenly coating once, is dried in the air dry oven of 110 ℃, and linear speed is 15m/min, forms surface layer film after cooling roller is cooling in separate-type paper; Then on the surface layer film of separate-type paper with 100g/m
2starching amount is evenly coated with polyurethane adhesive mixed with resin slurry, forms one deck adhesive linkage on surface layer film, more directly by looped fabric, the pressure with 0.35Mpa presses in above-mentioned separate-type paper coating, and dry in the air dry oven of 119 ℃, linear speed is 15m/min.After cooling roller is cooling, paper, leather are peeled off, roll respectively and obtain synthetic leather.To peel off the air dry oven foaming through 160 ℃ of the synthetic leather that obtains, linear speed is 16m/min., sheep Ba Fang chamois leather synthetic leather E obtains dyeing.
Above-mentioned polyurethane adhesive mixed with resin slurry is to be mixed and be prepared from by polyurethane adhesive resin HDA-255.46kg and toluene 2.94kg.
The dyeed sheep Ba Fang chamois leather synthetic leather A-EHe comparative example Korea S sheep of being prepared by embodiment of the present invention 1-5 to gained clings to the test that synthetic leather has carried out unit surface abscess comparison under microscope, tests its foaming effect.Concrete steps are as follows:
1. experimental procedure:
(1) can dye Korea S's synthetic leather sample of sheep Ba Fang chamois leather synthetic leather A-E and comparative example, is cut into the batten of 10 ㎝ * 15 ㎝, and batten numbering is followed successively by No. 1-6.
(2) the test batten of being prepared by step (1) to the numbering 1-6 of gained is observed under the microscope, test foaming density and expansion ratio.
2. experimental result:
The dyeed sheep Ba Fang chamois leather synthetic leather A-E that the present invention makes and the blowing ratio of comparative example synthetic leather sample compared with experimental result in Table 1.
Foaming density measurement is used VHX-2000E digit microscope with the camera lens of 200 times, to observe the abscess number of every square millimeter, according to test data, evaluates.Thickness before the foaming of thickness tester test bars and the thickness after foaming for expansion ratio test, evaluate according to test data.
Table 1
All of the leather of all Tiao Yu of leather Korea S comparative example 6 of sheep Ba Fang chamois leather synthetic leather A-E of can dyeing is as can be seen from Table 1 compared, no matter foam density, or expansion ratio, all be better than comparative example, how soft the abscess number of unit surface that the sheep Ba Fang chamois leather synthetic leather that dyes of the present invention is described is, exquisiteness, and the high fine hair sense of expansion ratio is strong, along hair down successful, writing effect is strong.
The dyeed sheep Ba Fang chamois leather synthetic leather A-EHe comparative example Korea S sheep bar synthetic leather of being prepared by embodiment of the present invention 1-5 to gained has carried out Coloration experiment, tests tinting strength and staining fastness after its dyeing.Concrete steps are as follows:
1. experimental procedure:
(1) can the dye synthetic leather sample of sheep Ba Fang chamois leather synthetic leather A-EHe Korea S comparative example, is cut into the batten of 10 ㎝ * 20 ㎝, and batten numbering is followed successively by No. 1-6.
(2) red acid metal complex dye being diluted with water to concentration is 0.1% the dyeing aqueous solution.
(3) the test batten of being prepared by step (1) to the label 1-6 of gained is put into the dyeing aqueous solution that step (2) is prepared gained, and dyeing is temperature: 70 ℃, and dyeing time: 3min.Then take out batten and put into 60 ℃ of clear water and soak 10 minutes, finally take out and put into 120 ℃ of baking ovens, dry 10 minutes.
2. experimental result:
The dyeed sheep Ba Fang chamois leather synthetic leather A-E that the present invention makes and the Coloration experiment of comparative example synthetic leather sample the results are shown in Table 2.
Dye after stain power test and use State Standard of the People's Republic of China to evaluate gray scale for variable color (GB250-1995) to carry out rank evaluation, be divided into 1-5 level, 1 grade of dyeing is the most best, and 5 grades of dyeing are the most shallow the poorest.Staining fastness test after dyeing adopts GT-7034EIULTCS frictional testing machines, method with wet rubbing, according to ISO105-A03 < < 1994 grey scale for assessing staining of colour > >, carry out staining fastness evaluation, rank is 1-5 level, 5 grades do not have staining phenomenon substantially, and colour fastness is best, and 1 grade of staining phenomenon is serious, colour fastness is the poorest, and it is 3 grades that general leatherware requires to reach staining fastness.
Table 2
| Leather batten label | Embodiment and comparative example | Tinting strength | Staining fastness |
| 1 | Sheep Ba Fang chamois leather synthetic leather A can dye | 1-2 level | 3 grades |
| 2 | Sheep Ba Fang chamois leather synthetic leather B can dye | 1-2 level | 4 grades |
| 3 | Sheep Ba Fang chamois leather synthetic leather C can dye | 2 grades | 3-4 level |
| 4 | Sheep Ba Fang chamois leather synthetic leather D can dye | 1-2 level | 4 grades |
| 5 | Sheep Ba Fang chamois leather synthetic leather E can dye | 2 grades | 4 grades |
| 6 | Korea S's comparative example synthetic leather | 4 grades | 2 grades |
All of the leather of all Tiao Yu of leather Korea S comparative example of sheep Ba Fang chamois leather synthetic leather A-E of can dyeing is as can be seen from Table 2 compared, no matter dye after stain power, or staining fastness, all be better than comparative example, illustrate that the sheep Ba Fang chamois leather synthetic leather that dyes of the present invention is easily colored and the after stain performance that dyes is good, staining fastness after dyeing is good, is difficult for staining, keeps the vividness of dye colour.
The dyeed sheep Ba Fang chamois leather synthetic leather A-EHe Korea S comparative example leather sample of being prepared by embodiment of the present invention 1-5 to gained is used the wear-resisting testing method of ASTM D3884 fabric to carry out wear-resisting test.Concrete steps are as follows:
1. experimental procedure:
(1) can the dye leather sample of sheep Ba Fang chamois leather synthetic leather A-EHe Korea S comparative example, adopts standard cutting knife to cut external diameter 108mm, the print of internal diameter 8mm, and print numbering is followed successively by No. 1-6.
(2) prepared by step (1) to the test print of the numbering 1-6 of gained, in test, be prepended to 23 ± 2 ℃ of temperature, in the state of relative humidity 60 ± 5%, place more than 24 hours.Under identical conditions, carry out wear-resisting test, during test, test sample is contacted with each other with CS-10 standard emery wheel under 500g/ rotation gravity, and make sample produce the friction of " X " type by the turning effort of a pair of friction wheel, make test specimens be subject to multidirectional uniform wear.Observation test print surface abrasion situation, record test friction number of times.
2. experimental result:
The wear-resisting experimental result of the dyeed sheep Ba Fang chamois leather synthetic leather A-EHe Korea S comparative example leather sample that the present invention makes is in Table 3.
The mensuration part 2 of State Standard of the People's Republic of China GB/T21196.2-2007 < < textiles Martindale method fabric abrasion resistance is used in wear-resisting test afterwards: the mensuration > > of sample breakage evaluates.The hole that specimen surface after having tested should rub and cause, its diameter is at least 0.5mm, top coat part destroyed to expose base fabric or have partial coating come off as friction terminal be sample breakage.
Table 3
Can dye the as can be seen from Table 3 print of sheep Ba Fang chamois leather synthetic leather A-E and the print of Korea S comparative example compared, surface abrasion mild degree, and the surface abrasion of comparative example is more serious.Illustrate that the good wear resisting property of sheep Ba Fang chamois leather synthetic leather that dyes of the present invention can compare favourably with corium, can be widely used in the fields such as clothes, case and bag.
Claims (9)
1. the sheep Ba Fang chamois leather urethane resin that can dye, is characterized in that, the raw material of following mass percent, consists of:
2. a kind of sheep Ba Fang chamois leather urethane resin that dyes as claimed in claim 1; it is characterized in that; described Weak solvent aliphatic polyurethane resin is HDS-30YP, HDS-50YP or the HDS-80YP that Shanghai Huide Chemical Co., Ltd. produces; its solid content is that 25～30%, 100% modulus is 30～80kg/m
2.
3. a kind of sheep Ba Fang chamois leather urethane resin that dyes as claimed in claim 1 or 2, is characterized in that, described Weak solvent is one or both mixture of toluene, butanone, vinyl acetic monomer, Virahol, N-BUTYL ACETATE, isopropylcarbinol, methylcarbonate.
4. a kind of sheep Ba Fang chamois leather urethane resin that dyes as claimed in claim 1, is characterized in that, described sheep bar microcapsule powder is acrylate microcapsule powder, and particle diameter is 20～40 μ m.
5. the preparation method of urethane resin for the sheep Ba Fang chamois leather that can dye described in claim 1 to 4 any one claim, is characterized in that, comprises following steps:
1) Weak solvent of formula ratio, polyether modified siloxane, palm wax, silicon-dioxide flatting silica, Soxylat A 25-7 are fully mixed and stirred;
2) in the mixture obtaining in step 1), add Weak solvent aliphatic polyurethane resin, sheep bar microcapsule powder to stir, obtain the sheep Ba Fang chamois leather urethane resin that can dye.
According to the sheep Ba Fang chamois leather urethane resin that can dye described in claim 1 to 4 any one claim in order to can the dye method of sheep Ba Fang chamois leather synthetic leather of preparation, it is characterized in that, comprise following steps:
1) dyeed sheep Ba Fang chamois leather urethane resin and DMF described in claim 1 to 4 any one claim are mixed with to surface layer mixed pulp, surface layer mixed pulp is with 40-60g/m
2starching amount be coated on uniformly in separate-type paper, dry in the air dry oven of 100-110 ℃, linear speed is 15-20m/min, cooling through cooling roller;
2) by the method for step 1), repeat again coating once, in described separate-type paper, form again one deck surface layer film;
3) on the surface layer film of described separate-type paper with 80-100g/m
2starching amount be evenly coated with polyurethane adhesive mixed with resin slurry, on surface layer film, form one deck adhesive linkage, then directly by base fabric, the pressure with 0.4Mpa presses in above-mentioned separate-type paper coating, and dry in the air dry oven of 110-120 ℃, linear speed is 15-20m/min.After cooling roller is cooling, paper, leather are peeled off, roll respectively and obtain synthetic leather;
4) will peel off the air dry oven foaming through 150～170 ℃ of the synthetic leather that obtains, linear speed is 15-20m/min, and sheep Ba Fang chamois leather synthetic leather finally obtains dyeing.
7. method according to claim 6, is characterized in that, described surface layer mixed pulp is comprised of the raw material of following mass percent:
Sheep Ba Fang chamois leather urethane resin 80% can dye
DMF 20%.
8. method according to claim 6, is characterized in that, described base fabric is looped fabric, woven fabric or non-woven fabrics, fit in cloth play hair side or without hair side.
9. method according to claim 6, is characterized in that, described polyurethane adhesive mixed with resin slurry is comprised of the raw material of following mass percent:
Polyurethane adhesive resin HDA-25 65%
Toluene 35%.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105113281A (en) * | 2015-09-29 | 2015-12-02 | 浙江皮意纺织有限公司 | Process for manufacturing anti-yellowing artificial leather fabrics with polyurethane coatings |
| CN105671989A (en) * | 2015-12-21 | 2016-06-15 | 上海汇得科技股份有限公司 | Soft sheepskin-imitating polyurethane resin, preparation method thereof, and method of producing sheepskin-imitating artificial leather therewith |
| CN106592265A (en) * | 2016-12-19 | 2017-04-26 | 福建宝利特科技股份有限公司 | Artificial leather printing material, Yangbuck leather and preparation method thereof |
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| CN101824132A (en) * | 2010-04-21 | 2010-09-08 | 浙江深蓝轻纺科技有限公司 | Weak solvent aliphatic polyurethane resin for synthetic leather and preparation method thereof |
| CN102850767A (en) * | 2011-06-27 | 2013-01-02 | 江苏宝泽高分子材料股份有限公司 | Oily reverse/smooth hair nubuck resin for synthetic leather and its preparation method |
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| CN102995411A (en) * | 2012-08-21 | 2013-03-27 | 江苏宝泽高分子材料股份有限公司 | Yangbuck and cajiao treating agent for synthetic leather and preparation method thereof |
| CN103342888A (en) * | 2013-06-26 | 2013-10-09 | 江苏宝泽高分子材料股份有限公司 | Skin-feel nap up and nap down jumbuck resin and preparation method thereof |
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| CN105113281A (en) * | 2015-09-29 | 2015-12-02 | 浙江皮意纺织有限公司 | Process for manufacturing anti-yellowing artificial leather fabrics with polyurethane coatings |
| CN105671989A (en) * | 2015-12-21 | 2016-06-15 | 上海汇得科技股份有限公司 | Soft sheepskin-imitating polyurethane resin, preparation method thereof, and method of producing sheepskin-imitating artificial leather therewith |
| CN105671989B (en) * | 2015-12-21 | 2018-09-11 | 上海汇得科技股份有限公司 | Soft imitative sheepskin polyurethane resin, preparation method and the method for preparing imitative sheepskin synthetic leather with the soft imitative sheepskin polyurethane resin |
| CN106592265A (en) * | 2016-12-19 | 2017-04-26 | 福建宝利特科技股份有限公司 | Artificial leather printing material, Yangbuck leather and preparation method thereof |
| CN106592265B (en) * | 2016-12-19 | 2019-03-19 | 福建宝利特科技股份有限公司 | A kind of artificial leather printed material, sheep Ba Ge and preparation method thereof |
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