CN103437196A - Vegetable tanned upper leather - Google Patents
Vegetable tanned upper leather Download PDFInfo
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- CN103437196A CN103437196A CN201310387703XA CN201310387703A CN103437196A CN 103437196 A CN103437196 A CN 103437196A CN 201310387703X A CN201310387703X A CN 201310387703XA CN 201310387703 A CN201310387703 A CN 201310387703A CN 103437196 A CN103437196 A CN 103437196A
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- leather
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- 239000010985 leather Substances 0.000 title claims abstract description 42
- 235000013311 vegetables Nutrition 0.000 title abstract 6
- 229920002635 polyurethane Polymers 0.000 claims abstract description 23
- 239000004814 polyurethane Substances 0.000 claims abstract description 23
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 16
- 238000001035 drying Methods 0.000 claims abstract description 15
- 238000004049 embossing Methods 0.000 claims abstract description 14
- 238000000034 method Methods 0.000 claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000002002 slurry Substances 0.000 claims description 41
- 239000002344 surface layer Substances 0.000 claims description 27
- 229920005749 polyurethane resin Polymers 0.000 claims description 26
- 239000000463 material Substances 0.000 claims description 25
- 241000196324 Embryophyta Species 0.000 claims description 24
- 238000003490 calendering Methods 0.000 claims description 15
- 238000005516 engineering process Methods 0.000 claims description 12
- 229920005989 resin Polymers 0.000 claims description 12
- 239000011347 resin Substances 0.000 claims description 12
- 239000002994 raw material Substances 0.000 claims description 11
- 241000209094 Oryza Species 0.000 claims description 10
- 235000007164 Oryza sativa Nutrition 0.000 claims description 10
- 239000012752 auxiliary agent Substances 0.000 claims description 10
- VTYYLEPIZMXCLO-UHFFFAOYSA-L calcium carbonate Substances [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 10
- 150000004702 methyl esters Chemical class 0.000 claims description 10
- 238000007639 printing Methods 0.000 claims description 10
- 239000000047 product Substances 0.000 claims description 10
- 235000009566 rice Nutrition 0.000 claims description 10
- 238000005096 rolling process Methods 0.000 claims description 10
- 239000011265 semifinished product Substances 0.000 claims description 10
- 239000004744 fabric Substances 0.000 claims description 9
- 230000007613 environmental effect Effects 0.000 claims description 8
- 239000004604 Blowing Agent Substances 0.000 claims description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 5
- 235000010216 calcium carbonate Nutrition 0.000 claims description 5
- 230000001112 coagulating effect Effects 0.000 claims description 5
- 239000002131 composite material Substances 0.000 claims description 5
- 239000010419 fine particle Substances 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 238000010422 painting Methods 0.000 claims description 5
- 239000000049 pigment Substances 0.000 claims description 5
- 239000000843 powder Substances 0.000 claims description 5
- 238000012545 processing Methods 0.000 claims description 5
- 239000000741 silica gel Substances 0.000 claims description 5
- 229910002027 silica gel Inorganic materials 0.000 claims description 5
- 239000002562 thickening agent Substances 0.000 claims description 5
- 238000005406 washing Methods 0.000 claims description 5
- 238000004078 waterproofing Methods 0.000 claims description 5
- 239000000080 wetting agent Substances 0.000 claims description 5
- 239000002023 wood Substances 0.000 claims description 5
- 239000004872 foam stabilizing agent Substances 0.000 claims description 4
- 230000008719 thickening Effects 0.000 claims description 4
- 239000006185 dispersion Substances 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 229920003009 polyurethane dispersion Polymers 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 claims description 3
- 230000008569 process Effects 0.000 abstract description 5
- 230000035807 sensation Effects 0.000 abstract description 2
- 230000000007 visual effect Effects 0.000 abstract description 2
- 239000011850 water-based material Substances 0.000 abstract description 2
- 241000628997 Flos Species 0.000 abstract 1
- 238000004898 kneading Methods 0.000 abstract 1
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 11
- 239000002649 leather substitute Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- -1 4-amino toluene amine Chemical class 0.000 description 3
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
- 238000013459 approach Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- CZZZABOKJQXEBO-UHFFFAOYSA-N 2,4-dimethylaniline Chemical compound CC1=CC=C(N)C(C)=C1 CZZZABOKJQXEBO-UHFFFAOYSA-N 0.000 description 2
- UFFBMTHBGFGIHF-UHFFFAOYSA-N 2,6-dimethylaniline Chemical compound CC1=CC=CC(C)=C1N UFFBMTHBGFGIHF-UHFFFAOYSA-N 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
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- BMIPMKQAAJKBKP-UHFFFAOYSA-N 2,4,5-Trimethylaniline Chemical compound CC1=CC(C)=C(N)C=C1C BMIPMKQAAJKBKP-UHFFFAOYSA-N 0.000 description 1
- BAHPQISAXRFLCL-UHFFFAOYSA-N 2,4-Diaminoanisole Chemical compound COC1=CC=C(N)C=C1N BAHPQISAXRFLCL-UHFFFAOYSA-N 0.000 description 1
- VOZKAJLKRJDJLL-UHFFFAOYSA-N 2,4-diaminotoluene Chemical compound CC1=CC=C(N)C=C1N VOZKAJLKRJDJLL-UHFFFAOYSA-N 0.000 description 1
- PFRYFZZSECNQOL-UHFFFAOYSA-N 2-methyl-4-[(2-methylphenyl)diazenyl]aniline Chemical compound C1=C(N)C(C)=CC(N=NC=2C(=CC=CC=2)C)=C1 PFRYFZZSECNQOL-UHFFFAOYSA-N 0.000 description 1
- XTTIQGSLJBWVIV-UHFFFAOYSA-N 2-methyl-4-nitroaniline Chemical compound CC1=CC([N+]([O-])=O)=CC=C1N XTTIQGSLJBWVIV-UHFFFAOYSA-N 0.000 description 1
- HUWXDEQWWKGHRV-UHFFFAOYSA-N 3,3'-Dichlorobenzidine Chemical compound C1=C(Cl)C(N)=CC=C1C1=CC=C(N)C(Cl)=C1 HUWXDEQWWKGHRV-UHFFFAOYSA-N 0.000 description 1
- JRBJSXQPQWSCCF-UHFFFAOYSA-N 3,3'-Dimethoxybenzidine Chemical compound C1=C(N)C(OC)=CC(C=2C=C(OC)C(N)=CC=2)=C1 JRBJSXQPQWSCCF-UHFFFAOYSA-N 0.000 description 1
- NUIURNJTPRWVAP-UHFFFAOYSA-N 3,3'-Dimethylbenzidine Chemical compound C1=C(N)C(C)=CC(C=2C=C(C)C(N)=CC=2)=C1 NUIURNJTPRWVAP-UHFFFAOYSA-N 0.000 description 1
- WECDUOXQLAIPQW-UHFFFAOYSA-N 4,4'-Methylene bis(2-methylaniline) Chemical compound C1=C(N)C(C)=CC(CC=2C=C(C)C(N)=CC=2)=C1 WECDUOXQLAIPQW-UHFFFAOYSA-N 0.000 description 1
- ICNFHJVPAJKPHW-UHFFFAOYSA-N 4,4'-Thiodianiline Chemical compound C1=CC(N)=CC=C1SC1=CC=C(N)C=C1 ICNFHJVPAJKPHW-UHFFFAOYSA-N 0.000 description 1
- YBRVSVVVWCFQMG-UHFFFAOYSA-N 4,4'-diaminodiphenylmethane Chemical compound C1=CC(N)=CC=C1CC1=CC=C(N)C=C1 YBRVSVVVWCFQMG-UHFFFAOYSA-N 0.000 description 1
- IBOFVQJTBBUKMU-UHFFFAOYSA-N 4,4'-methylene-bis-(2-chloroaniline) Chemical compound C1=C(Cl)C(N)=CC=C1CC1=CC=C(N)C(Cl)=C1 IBOFVQJTBBUKMU-UHFFFAOYSA-N 0.000 description 1
- HLBLWEWZXPIGSM-UHFFFAOYSA-N 4-Aminophenyl ether Chemical compound C1=CC(N)=CC=C1OC1=CC=C(N)C=C1 HLBLWEWZXPIGSM-UHFFFAOYSA-N 0.000 description 1
- NUKYPUAOHBNCPY-UHFFFAOYSA-N 4-aminopyridine Chemical compound NC1=CC=NC=C1 NUKYPUAOHBNCPY-UHFFFAOYSA-N 0.000 description 1
- 206010016322 Feeling abnormal Diseases 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
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- HFACYLZERDEVSX-UHFFFAOYSA-N benzidine Chemical compound C1=CC(N)=CC=C1C1=CC=C(N)C=C1 HFACYLZERDEVSX-UHFFFAOYSA-N 0.000 description 1
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- VMPITZXILSNTON-UHFFFAOYSA-N o-anisidine Chemical compound COC1=CC=CC=C1N VMPITZXILSNTON-UHFFFAOYSA-N 0.000 description 1
- RZXMPPFPUUCRFN-UHFFFAOYSA-N para-methylaniline Natural products CC1=CC=C(N)C=C1 RZXMPPFPUUCRFN-UHFFFAOYSA-N 0.000 description 1
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- 230000001988 toxicity Effects 0.000 description 1
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Landscapes
- Treatment And Processing Of Natural Fur Or Leather (AREA)
Abstract
The invention provides vegetable tanned upper leather. The vegetable tanned upper leather is prepared by using a method comprising the following steps of a wet process, a dry process, and a post-treatment process. According to the vegetable tanned upper leather, after being subjected to dry-process veneering based on polyurethane bayes, the upper leather is printed through a water-based treatment agent, so that a beautiful visual effect is achieved; through an embossing depth study, the granular sensation on the surface of leather can be achieved to the maximum extent; through the treatment on water-based materials on granular bulge parts subjected to embossing, the touch feeling of the vegetable tanned upper leather is most similar to or exceeds that of the leather; through a temperature, humidity and time-controlled kneading process study, the handfeel softness and the floss density of the vegetable tanned upper leather can be most similar to or can exceed those of the leather.
Description
Technical field
The invention belongs to the leather field, specifically plant and rub upper leather for one kind.
Background technology
In recent years, the countries in the world environmental consciousness is strengthened, and developed country puts more effort to the environmental requirement of synthetic products.Solvent borne polyurethane is synthetic needs solvent more, toxicity is larger, and environment is had to larger pollution, and more and more higher quality requirements is to facilitate the inexorable trend of synthetic leather product of new generation in market development to product for the trade barrier of synthetic leather in environmental protection and consumer.
At present, the application of synthetic leather on commodity and industrial goods is more and more extensive, but the light sensation of synthetic leather leather surface, feel, level embodiment and whole physical property all can not reach or surpass corium, can not finely be applied to upper leather.
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Summary of the invention
In order to solve the problems of the technologies described above, to the invention provides one kind and plant and rub upper leather.
Plant for one kind and rub upper leather, it is characterized in that it adopts the method comprised the following steps to make:
1) wet processing: base cloth is solidified in advance, then plate, directly be coated with the polyurethane resin slurry, solidify, washing, dry, rolling, the check of semi-finished product bass;
2) dry process: the straight polyurethane surface layer slurry that is coated with on release liners, the semi-finished product bass of then fitting, dry, rolling, middle product check;
3) aftertreatment technology: printing, delustring, embossing, hat prints, calendering, backwater is rubbed.
Plant and rub upper leather for described one kind, it is characterized in that the polyurethane resin slurry described in step 1) made by the raw material of following parts by weight: 100 parts of polyurethane resins; 0.5-3 parts of blowing agents; 0.5-3 parts of foam stabilizers; 0.5-2 parts of mill bases; 30-40 parts of wood powders; 15-20 parts of fine particle calcium carbonates; DMF90-130 part, the viscosity of described polyurethane resin slurry is 6000-9000cps.
Plant and rub upper leather, it is characterized in that step 2 for described one kind) described in the polyurethane surface layer slurry by the raw material of following parts by weight, made: 100 parts of polyurethane resins; DMF50 part; 50 parts of methyl esters; 9-17 parts of pigment; 0.1-4 parts of thickeners; 0.1-3 parts of levelling agents; 0.1-3 parts of wetting agents; 0.5-2 parts of removers; 1-4 parts of waterproofing agents, described polyurethane surface layer slurry viscosity is 2000-2500cps.
Plant and rub upper leather for described one kind, it is characterized in that step 2) described in the polyurethane surface layer slurry in also add following 4 kinds of auxiliary agent: FN805, FN801, FN802 and the FN803 that total amount is 5-7 parts by weight, FN805 is the aqueous, environmental protective auxiliary agent, FN801 is aqueous polyurethane dispersion, FN802 is water-based feel wax sense dispersion liquid, and FN803 is the agent of water-based thickening leveling.
Plant and rub upper leather for described one kind, it is characterized in that the percentage by weight that described FN805, FN801, FN802 and FN803 account for these 4 kinds of auxiliary agent total amounts is respectively: FN801 77% ~ 86%; FN802 9% ~ 17%; FN803 0.1% ~ 3%; FN805 4% ~ 9%.
Plant and rub upper leather for described one kind, it is characterized in that the speed of a motor vehicle in step 1) is 18-23m/min, it is 1.8mm-2.1mm that the painting cutter arranges gap thickness, and the coagulating basin DMF content solidified is 17-19%, the baking oven length of drying is 25-35 meters, 160-190 ℃ of oven temperatures.
Plant and rub upper leather, it is characterized in that step 2 for described one kind) on production line temperature be 90-130 ℃, the speed of a motor vehicle is 18 ~ 25m/min, surface layer slurry applies and is coated with the cutter gap is 0.12 ~ 0.20mm.
Plant and rub upper leather, it is characterized in that the concrete technology parameter of each step in step 3) is as follows for described one kind:
1) printing: printed material adopts the parts by weight of 100 parts of 100 parts of resins, DMF5 part, methyl esters to mix composite forming, viscosity 1200-1500cps, and the printed material use amount is 18g-20g/ rice;
2) delustring: the delustring material is resin, and viscosity is 1200-1500cps, and delustring material consumption is 18g-20g/ rice;
3) embossing: knurling rolls used are silica gel roller, and temperature is 180-195 ℃, and speed is 10m/min-12m/min;
4) hat prints: make use calendering material, viscosity is 3000-3500cps, 170 ℃ of temperature, and the speed of a motor vehicle is 15m/min;
5) calendering: 140 ℃ ~ 145 ℃ of temperature, speed 13m/min ~ 15 m/min;
6) backwater is rubbed: draft amount 0.3kg/m, 80 ℃ ~ 90 ℃ of bake out temperatures, drying time 50 ~ 60 minutes.
Plant and rub upper leather, it is characterized in that base cloth used in step 1) is two-sided elastic force base cloth or the imitative velveteen that 0.65mm is thick for described one kind.
Major advantage of the present invention is as follows:
1. fully environmental protection, the water-based upper leather finishing agent of zero-emission, accomplish real Green Product fully, and approach on quality and class or surpass corium.
2. the feel of leather promotes:
Add aqueous, environmental protective auxiliary agent FN805 in surface layer resin, given feel as leather surface skin, silk.FN805 physical and chemical indexes solid content: 10 ± 1%, pH value: 6 ± 1(10% solution), electric charge: nonionic.
3. the surface luminous intensity of leather and the lifting of physical property:
Dry process aspect: add in surface layer resin: (1) FN801(aqueous polyurethane dispersion), adding of it can make that film forming is transparent, brightness good, film strength is high, FN801 physical and chemical indexes: solid content: 30 ± 2%, pH value: 8 ± 1(10% solution); (2) FN802(water-based feel wax sense dispersion liquid) with FN801, share in top coat, can improve anti-dry, wet, wiping property, can improve the covering power of coating and level and smooth feel.Physical and chemical indexes: active matter content: 15 ± 2%, pH value: 9 ± 1(solution), electric charge: anion; (3) FN803(water-based thickening leveling agent) application characteristic: thickening, levelling, good brushing feel, water-fast, alkaline-resisting, erasibility.Physical and chemical indexes: solid content: 25 ± 2%, pH value: 7 ± 1(10% solution).
The present invention be take the polyurethane bass after basic dry method veneer, by aqueous treatment agent, printed, process (required color is the water-based color) and reach visual effect attractive in appearance, reach and approach the sense of corium surface particles most by the research of the embossing depth, process the sense of touch that reaches the most approaching or surpass corium by the water-based material of the particle bossing after embossing, by temperature, humidity, the line technical study of rubbing that the time is controlled reaches soft degree and the careful degree that approaches corium most or surpass corium.
The specific embodiment
Embodiment 1
Plant and rub upper leather and made by the method comprised the following steps:
1) wet processing: the two-sided elastic force base cloth thick to 0.65mm solidifies in advance, then plates, and directly is coated with the polyurethane resin slurry, solidifies, and washing, dry, rolling, the check of semi-finished product bass; The polyurethane resin slurry is made by the raw material of following parts by weight: 100 parts of polyurethane resins; 1 part of blowing agent; 2 parts of foam stabilizers; 2 parts of mill bases; 35 parts of wood powders; 15 parts of fine particle calcium carbonates; DMF90 part, the viscosity of polyurethane resin slurry is 6000cps.The speed of a motor vehicle is 18m/min, and it is 2.1mm that the painting cutter arranges gap thickness, and the coagulating basin DMF content solidified is 17%, and the baking oven length of oven dry is 30 meters, 160 ℃ of oven temperatures.
2) dry process: the straight polyurethane surface layer slurry that is coated with on release liners, the semi-finished product bass of then fitting, dry, rolling, middle product check; The polyurethane surface layer slurry is made by the raw material of following parts by weight: 100 parts of polyurethane resin DF-30; DMF50 part; 50 parts of methyl esters; 9 parts of pigment; 4 parts of thickeners; 2 parts of levelling agents; 1 part of wetting agent; 2 parts of removers; 2 parts of waterproofing agents, described polyurethane surface layer slurry viscosity is 2000cps, also add FN805, FN801, FN802 and FN803 that total amount is 5 parts in the polyurethane surface layer slurry, the percentage by weight that FN805, FN801, FN802 and FN803 account for these 4 kinds of auxiliary agent total amounts is respectively: FN801 77%; FN802 17%; FN803 2%; FN805 4%.On production line, temperature is 90 ℃, and the speed of a motor vehicle is 25m/min, and surface layer slurry applies and is coated with the cutter gap is 0.12mm.
3) aftertreatment technology: printing, delustring, embossing, hat prints, calendering, backwater is rubbed.The concrete technology parameter is as follows:
Printing: printed material adopts the parts by weight of 100 parts of 100 parts of resins, DMF5 part, methyl esters to mix composite forming, viscosity 1200cps, and the printed material use amount is 18g/ rice;
Delustring: the delustring material is resin, and viscosity is 1500cps, and delustring material consumption is 20g/ rice;
Embossing: knurling rolls used are silica gel roller, and temperature is 195 ℃, and speed is 12m/min;
Hat prints: make use calendering material, viscosity is 3000cps, 170 ℃ of temperature, and the speed of a motor vehicle is 15m/min;
Calendering: 140 ℃ of temperature, speed 13m/min;
Backwater is rubbed: draft amount 0.3kg/m, 90 ℃ of bake out temperatures, drying time 60 minutes.
Embodiment 2
Plant and rub upper leather and made by the method comprised the following steps:
1) wet processing: the two-sided elastic force base cloth thick to 0.65mm solidifies in advance, then plates, and directly is coated with the polyurethane resin slurry, solidifies, and washing, dry, rolling, the check of semi-finished product bass; The polyurethane resin slurry is made by the raw material of following parts by weight: the polyurethane resin slurry is made by the raw material of following parts by weight: 100 parts of polyurethane resins; 3 parts of blowing agents; 3 parts of foam stabilizers; 0.5 part of mill base; 30 parts of wood powders; 20 parts of fine particle calcium carbonates; DMF110 part, the viscosity of polyurethane resin slurry is 8000cps.The speed of a motor vehicle is 20m/min, and it is 1.8mm that the painting cutter arranges gap thickness, and the coagulating basin DMF content solidified is 18%, and the baking oven length of oven dry is 25 meters, 170 ℃ of oven temperatures.
2) dry process: the straight polyurethane surface layer slurry that is coated with on release liners, the semi-finished product bass of then fitting, dry, rolling, middle product check; The polyurethane surface layer slurry is made by the raw material of following parts by weight: 100 parts of polyurethane resin DF-30; DMF50 part; 50 parts of methyl esters; 13 parts of pigment; 2 parts of thickeners; 1 part of levelling agent; 2 parts of wetting agents; 0.5 part of remover; 1 part of waterproofing agent, described polyurethane surface layer slurry viscosity is 2200cps, also add FN805, FN801, FN802 and FN803 that total amount is 6 parts in the polyurethane surface layer slurry, the percentage by weight that FN805, FN801, FN802 and FN803 account for these 4 kinds of auxiliary agent total amounts is respectively: FN801 80%; FN80213%; FN803 1%; FN805 6%.On production line, temperature is 110 ℃, and the speed of a motor vehicle is 18m/min, and surface layer slurry applies and is coated with the cutter gap is 0.15mm.
3) aftertreatment technology: printing, delustring, embossing, hat prints, calendering, backwater is rubbed.The concrete technology parameter is as follows:
Printing: printed material adopts the parts by weight of 100 parts of 100 parts of resins, DMF5 part, methyl esters to mix composite forming, viscosity 1400cps, and the printed material use amount is 19g/ rice;
Delustring: the delustring material is resin, and viscosity is 1200cps, and delustring material consumption is 19g/ rice;
Embossing: knurling rolls used are silica gel roller, and temperature is 180 ℃, and speed is 10m/min;
Hat prints: make use calendering material, viscosity is 3200cps, 170 ℃ of temperature, and the speed of a motor vehicle is 15m/min;
Calendering: 142 ℃ of temperature, speed 14m/min;
Backwater is rubbed: draft amount 0.3kg/m, 80 ℃ of bake out temperatures, drying time 55 minutes.
Embodiment 3
Plant and rub upper leather and made by the method comprised the following steps:
1) wet processing: the two-sided elastic force base cloth thick to 0.65mm solidifies in advance, then plates, and directly is coated with the polyurethane resin slurry, solidifies, and washing, dry, rolling, the check of semi-finished product bass; The polyurethane resin slurry is made by the raw material of following parts by weight: 100 parts of polyurethane resins; 2 parts of blowing agents; 0.5 part of foam stabilizer; 1 part of mill base; 40 parts of wood powders; 17 parts of fine particle calcium carbonates; DMF130 part, the viscosity of polyurethane resin slurry is 9000cps.The speed of a motor vehicle is 23m/min, and it is 2mm that the painting cutter arranges gap thickness, and the coagulating basin DMF content solidified is 19%, and the baking oven length of oven dry is 35 meters, 190 ℃ of oven temperatures.
2) dry process: the straight polyurethane surface layer slurry that is coated with on release liners, the semi-finished product bass of then fitting, dry, rolling, middle product check; The polyurethane surface layer slurry is made by the raw material of following parts by weight: 100 parts of polyurethane resin DF-30; DMF50 part; 50 parts of methyl esters; 17 parts of pigment; 1 part of thickener; 3 parts of levelling agents; 3 parts of wetting agents; 1 part of remover; 4 parts of waterproofing agents, described polyurethane surface layer slurry viscosity is 2500cps, also add FN805, FN801, FN802 and FN803 that total amount is 7 parts in the polyurethane surface layer slurry, the percentage by weight that FN805, FN801, FN802 and FN803 account for these 4 kinds of auxiliary agent total amounts is respectively: FN801 77%; FN802 17%; FN803 2%; FN805 4%.On production line, temperature is 130 ℃, and the speed of a motor vehicle is 20m/min, and surface layer slurry applies and is coated with the cutter gap is 0.2mm.
3) aftertreatment technology: printing, delustring, embossing, hat prints, calendering, backwater is rubbed.The concrete technology parameter is as follows:
Printing: printed material adopts the parts by weight of 100 parts of 100 parts of resins, DMF5 part, methyl esters to mix composite forming, viscosity 1200cps, and the printed material use amount is 18g/ rice;
Delustring: the delustring material is resin, and viscosity is 1200cps, and delustring material consumption is 18g/ rice;
Embossing: knurling rolls used are silica gel roller, and temperature is 190 ℃, and speed is 11m/min;
Hat prints: make use calendering material, viscosity is 3500cps, 170 ℃ of temperature, and the speed of a motor vehicle is 15m/min;
Calendering: 145 ℃ of temperature, speed 15m/min;
Backwater is rubbed: draft amount 0.3kg/m, 85 ℃ of bake out temperatures, drying time 50 minutes.
Soft feeling luggage leather product of the present invention detects through surveying environmental protection tests technology Co., Ltd in Wenzhou, content of formaldehyde is 10mg/kg, 4-aminobphenyl, benzidine, 4-amino toluene amine, o-aminoazotoluene, 5-nitro-ortho-aminotoluene, parachloroanilinum, 2, 4-diamino anisole, 4, 4 '-diaminodiphenylmethane, 3, 3 '-dichloro-benzidine, 3, 3 '-dimethoxy benzidine, 3, 3 '-dimethylbenzidine, 3, 3 '-dimethyl-4, 4 '-diaminodiphenylmethane, 2-methoxyl group-5-methylaniline, 4, 4 '-methylene-bis--(2-chloroaniline), 4, 4 '-diaminodiphenyl ether, 4, 4 '-diaminodiphenyl sulfide, ortho-aminotoluene, 2, 4-diaminotoluene, 2, 4, 5-trimethylaniline, o-aminoanisole, 4-aminoazabenzol, 2, 4-dimethylaniline, 2, 6-dimethylaniline, N, N-dimethyl formamide does not detect, all greatly be better than the limit value of the 30mg/kg of national regulation.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any modifications of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all being included in protection scope of the present invention.
Claims (9)
1. plant and rub upper leather for one kind, it is characterized in that it adopts the method comprised the following steps to make:
1) wet processing: base cloth is solidified in advance, then plate, directly be coated with the polyurethane resin slurry, solidify, washing, dry, rolling, the check of semi-finished product bass;
2) dry process: the straight polyurethane surface layer slurry that is coated with on release liners, the semi-finished product bass of then fitting, dry, rolling, middle product check;
3) aftertreatment technology: printing, delustring, embossing, hat prints, calendering, backwater is rubbed.
2. plant and rub upper leather for one kind as claimed in claim 1, it is characterized in that the polyurethane resin slurry described in step 1) made by the raw material of following parts by weight: 100 parts of polyurethane resins; 0.5-3 parts of blowing agents; 0.5-3 parts of foam stabilizers; 0.5-2 parts of mill bases; 30-40 parts of wood powders; 15-20 parts of fine particle calcium carbonates; DMF90-130 part, the viscosity of described polyurethane resin slurry is 6000-9000cps.
3. plant and rub upper leather for one kind as claimed in claim 1, it is characterized in that step 2) described in the polyurethane surface layer slurry by the raw material of following parts by weight, made: 100 parts of polyurethane resins; DMF50 part; 50 parts of methyl esters; 9-17 parts of pigment; 0.1-4 parts of thickeners; 0.1-3 parts of levelling agents; 0.1-3 parts of wetting agents; 0.5-2 parts of removers; 1-4 parts of waterproofing agents, described polyurethane surface layer slurry viscosity is 2000-2500cps.
4. plant and rub upper leather for one kind as claimed in claim 3, it is characterized in that step 2) described in the polyurethane surface layer slurry in also add following 4 kinds of auxiliary agent: FN805, FN801, FN802 and the FN803 that total amount is 5-7 parts by weight, FN805 is the aqueous, environmental protective auxiliary agent, FN801 is aqueous polyurethane dispersion, FN802 is water-based feel wax sense dispersion liquid, and FN803 is the agent of water-based thickening leveling.
5. plant and rub upper leather for one kind as claimed in claim 4, it is characterized in that the percentage by weight that described FN805, FN801, FN802 and FN803 account for these 4 kinds of auxiliary agent total amounts is respectively: FN801 77% ~ 86%; FN802 9% ~ 17%; FN803 0.1% ~ 3%; FN805 4% ~ 9%.
6. plant and rub upper leather for one kind as claimed in claim 1, it is characterized in that the speed of a motor vehicle in step 1) is 18-23m/min, it is 1.8mm-2.1mm that the painting cutter arranges gap thickness, and the coagulating basin DMF content solidified is 17-19%, the baking oven length of drying is 25-35 meters, 160-190 ℃ of oven temperatures.
7. plant and rub upper leather for one kind as claimed in claim 1, it is characterized in that step 2) on production line temperature be 90-130 ℃, the speed of a motor vehicle is 18 ~ 25m/min, surface layer slurry applies and is coated with the cutter gap is 0.12 ~ 0.20mm.
8. plant and rub upper leather for one kind as claimed in claim 1, it is characterized in that the concrete technology parameter of each step in step 3) is as follows:
1) printing: printed material adopts the parts by weight of 100 parts of 100 parts of resins, DMF5 part, methyl esters to mix composite forming, viscosity 1200-1500cps, and the printed material use amount is 18g-20g/ rice;
2) delustring: the delustring material is resin, and viscosity is 1200-1500cps, and delustring material consumption is 18g-20g/ rice;
3) embossing: knurling rolls used are silica gel roller, and temperature is 180-195 ℃, and speed is 10m/min-12m/min;
4) hat prints: make use calendering material, viscosity is 3000-3500cps, 170 ℃ of temperature, and the speed of a motor vehicle is 15m/min;
5) calendering: 140 ℃ ~ 145 ℃ of temperature, speed 13m/min ~ 15 m/min;
6) backwater is rubbed: draft amount 0.3kg/m, 80 ℃ ~ 90 ℃ of bake out temperatures, drying time 50 ~ 60 minutes.
9. plant and rub upper leather for one kind as claimed in claim 1, it is characterized in that base cloth used in step 1) is two-sided elastic force base cloth or the imitative velveteen that 0.65mm is thick.
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| CN108867091A (en) * | 2018-07-10 | 2018-11-23 | 浙江美欣达纺织印染科技有限公司 | Aqueous PU is superimposed waterproof coating technique |
| CN110318261A (en) * | 2019-07-26 | 2019-10-11 | 兰州科天新材料股份有限公司 | A kind of waterproof cloth leather and preparation method thereof |
| CN110924185A (en) * | 2019-12-15 | 2020-03-27 | 张家港嘉泰超纤科技有限公司 | Preparation method of novel water-repellent microfiber superfine nubuck |
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|---|---|
| CN103437196B (en) | 2015-11-18 |
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Effective date of registration: 20231030 Address after: No. 1155 Tuanjie Road, Hongkeng Farm, Xiaoshan Economic Development Zone, Hangzhou City, Zhejiang Province, 311200 Patentee after: Shangshang (Zhejiang) Enterprise Development Co.,Ltd. Address before: 351 Lvgu Avenue, Lishui City, Zhejiang Province, 323010 Patentee before: Zhejiang Wuzhou Industrial Co.,Ltd. |
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