CN103437196B - Plant and rub upper leather - Google Patents
Plant and rub upper leather Download PDFInfo
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- CN103437196B CN103437196B CN201310387703.XA CN201310387703A CN103437196B CN 103437196 B CN103437196 B CN 103437196B CN 201310387703 A CN201310387703 A CN 201310387703A CN 103437196 B CN103437196 B CN 103437196B
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- 239000010985 leather Substances 0.000 title claims abstract description 32
- 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 14
- 238000004049 embossing Methods 0.000 claims abstract description 14
- 238000005516 engineering process Methods 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims abstract description 12
- 238000012545 processing Methods 0.000 claims abstract description 6
- 239000002002 slurry Substances 0.000 claims description 36
- 229920005749 polyurethane resin Polymers 0.000 claims description 26
- 239000000463 material Substances 0.000 claims description 25
- 241000196324 Embryophyta Species 0.000 claims description 21
- 238000003490 calendering Methods 0.000 claims description 15
- 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
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 10
- 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
- 150000004702 methyl esters Chemical class 0.000 claims description 10
- 238000010422 painting 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
- 238000007639 printing Methods 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 239000002344 surface layer Substances 0.000 claims description 7
- 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
- 229910000019 calcium carbonate Inorganic materials 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
- 239000006260 foam Substances 0.000 claims description 5
- 238000007689 inspection Methods 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 5
- 239000000049 pigment Substances 0.000 claims description 5
- 239000000843 powder Substances 0.000 claims description 5
- 239000000741 silica gel Substances 0.000 claims description 5
- 229910002027 silica gel Inorganic materials 0.000 claims description 5
- 238000007581 slurry coating method Methods 0.000 claims description 5
- 239000003381 stabilizer Substances 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
- 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
- 239000002245 particle Substances 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 4
- 238000011160 research Methods 0.000 abstract description 2
- 230000000007 visual effect Effects 0.000 abstract description 2
- 239000011850 water-based material Substances 0.000 abstract description 2
- 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
- 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
- 230000000704 physical effect Effects 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 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
- 150000001450 anions Chemical class 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- HFACYLZERDEVSX-UHFFFAOYSA-N benzidine Chemical compound C1=CC(N)=CC=C1C1=CC=C(N)C=C1 HFACYLZERDEVSX-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 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
- 230000035807 sensation Effects 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
Landscapes
- Treatment And Processing Of Natural Fur Or Leather (AREA)
Abstract
The invention provides one kind to plant and rub upper leather, it adopts the method comprised the following steps to make: wet processing, dry process, aftertreatment technology.The present invention is based on polyurethane bass after dry method veneer, printed by aqueous treatment agent, process reaches visual effect attractive in appearance, reach closest to the sense of corium surface particles by the research of the embossing depth, reached closest to by the water-based material process of the particle bossing after embossing or exceed the sense of touch of corium, by temperature, humidity, the line technical study of rubbing of time controling reaches closest to corium or exceedes the soft degree of corium and careful degree.
Description
Technical field
The invention belongs to field of leather, specifically plant and rub upper leather for one kind.
Background technology
In recent years, countries in the world environmental consciousness is strengthened, and the environmental requirement of developed country to synthetic products puts more effort.Solvent borne polyurethane synthesis needs solvent more, toxicity is larger, and have larger pollution to environment, the trade barrier of synthetic leather in environmental protection and consumer's quality requirements more and more higher to product facilitate synthetic leather product of new generation in the inexorable trend of market development.
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 embody and the physical property of entirety all can not reach or exceed corium, can not be applied to upper leather very well.
Summary of the invention
In order to solve the problems of the technologies described above, the invention provides one kind and planting and rub upper leather.
Plant and rub a upper leather, it is characterized in that it adopts the method comprised the following steps to make:
1) wet processing: pre-consolidated is carried out to base cloth, then plates, be directly coated with Polyurethane resin slurry, solidify, washing, dries, rolling, and semi-finished product bass is checked;
2) dry process: straight painting polyurethane cover slurry in release liners, semi-finished product bass of then fitting, dries, rolling, middle product inspection;
3) aftertreatment technology: printing, delustring, embossing, hat print, calendering, backwater is rubbed.
Plant for described one kind and rub upper leather, it is characterized in that the Polyurethane resin slurry described in step 1) is made up of the raw material of following parts by weight: polyurethane resin 100 parts; Blowing agent 0.5-3 parts; Foam stabilizer 0.5-3 parts; Mill base 0.5-2 parts; Wood powder 30-40 parts; Fine particle calcium carbonate 15-20 parts; DMF90-130 part, the viscosity of described Polyurethane resin slurry is 6000-9000cps.
Plant for described one kind and rub upper leather, it is characterized in that step 2) described in polyurethane cover slurry be made up of the raw material of following parts by weight: polyurethane resin 100 parts; DMF50 part; Methyl esters 50 parts; Pigment 9-17 parts; Thickener 0.1-4 parts; Levelling agent 0.1-3 parts; Wetting agent 0.1-3 parts; Remover 0.5-2 parts; Waterproofing agent 1-4 parts, described polyurethane cover slurry viscosity is 2000-2500cps.
Plant for described one kind and rub upper leather, it is characterized in that step 2) described in polyurethane cover slurry in also add following 4 kinds of auxiliary agents that total amount is 5-7 parts by weight: FN805, FN801, FN802 and FN803, FN805 is 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 for described one kind and rub upper leather, 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: FN80177% ~ 86%; FN8029% ~ 17%; FN8030.1% ~ 3%; FN8054% ~ 9%.
Plant for described one kind and rub upper leather, 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 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, oven temperature 160-190 DEG C.
Plant for described one kind and rub upper leather, it is characterized in that step 2) on production line temperature be 90-130 DEG C, the speed of a motor vehicle is 18 ~ 25m/min, and it is 0.12 ~ 0.20mm that surface layer slurry coating is coated with cutter gap.
Plant for described one kind and rub upper leather, it is characterized in that the concrete technology parameter of each step in step 3) is as follows:
1) print: the parts by weight mixing of printed material employing resin 100 parts, DMF5 part, methyl esters 100 parts is composite to be formed, viscosity 1200-1500cps, and printed material use amount is 18g-20g/ rice;
2) delustring: delustring material is resin, 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 DEG C, speed is 10m/min-12m/min;
4) hat print: make use calendering material, viscosity is 3000-3500cps, temperature 170 DEG C, and the speed of a motor vehicle is 15m/min;
5) calendering: temperature 140 DEG C ~ 145 DEG C, speed 13m/min ~ 15m/min;
6) backwater is rubbed: draft amount 0.3kg/m, bake out temperature 80 DEG C ~ 90 DEG C, drying time 50 ~ 60 minutes.
Plant for described one kind and rub upper leather, it is characterized in that base cloth used in step 1) is the two-sided elastic force base cloth or imitative velveteen that 0.65mm is thick.
Major advantage of the present invention is as follows:
1. completely environmental protection, the water-based upper leather finishing agent of complete zero-emission, accomplishes real Green Product, and in quality and class close to or exceed corium.
2. the feel of leather promotes:
Add aqueous, environmental protective auxiliary agent FN805 in surface layer resin, give leather surface skin, silky handle.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) share in top coat with FN801, resistance to dry, wet, wiping property can be improved, the covering power of coating and level and smooth feel can be improved.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, excellent brushing feel, water-fast, alkaline-resisting, erasibility.Physical and chemical indexes: solid content: 25 ± 2%, pH value: 7 ± 1(10% solution).
The present invention is based on polyurethane bass after dry method veneer, printed by aqueous treatment agent, process (required color is water-based color) reaches visual effect attractive in appearance, reach closest to the sense of corium surface particles by the research of the embossing depth, reached closest to by the water-based material process of the particle bossing after embossing or exceed the sense of touch of corium, by temperature, humidity, the line technical study of rubbing of time controling reaches closest to corium or exceedes the soft degree of corium and careful degree.
Detailed description of the invention
Embodiment 1
Plant and rub upper leather and be made up of the method comprising the following steps:
1) wet processing: the two-sided elastic force base cloth thick to 0.65mm carries out pre-consolidated, then plates, is directly coated with Polyurethane resin slurry, solidify, washing, dries, rolling, and semi-finished product bass is checked; Polyurethane resin slurry is made up of the raw material of following parts by weight: polyurethane resin 100 parts; Blowing agent 1 part; Foam stabilizer 2 parts; Mill base 2 parts; Wood powder 35 parts; Fine particle calcium carbonate 15 parts; 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 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, oven temperature 160 DEG C.
2) dry process: straight painting polyurethane cover slurry in release liners, semi-finished product bass of then fitting, dries, rolling, middle product inspection; Polyurethane cover slurry is made up of the raw material of following parts by weight: polyurethane resin DF-30100 part; DMF50 part; Methyl esters 50 parts; Pigment 9 parts; Thickener 4 parts; Levelling agent 2 parts; Wetting agent 1 part; Remover 2 parts; Waterproofing agent 2 parts, described polyurethane cover slurry viscosity is 2000cps, also add FN805, FN801, FN802 and FN803 that total amount is 5 parts in polyurethane cover slurry, the percentage by weight that FN805, FN801, FN802 and FN803 account for these 4 kinds of auxiliary agent total amounts is respectively: FN80177%; FN80217%; FN8032%; FN8054%.On production line, temperature is 90 DEG C, and the speed of a motor vehicle is 25m/min, and it is 0.12mm that surface layer slurry coating is coated with cutter gap.
3) aftertreatment technology: printing, delustring, embossing, hat print, calendering, backwater is rubbed.Concrete technology parameter is as follows:
Printing: the parts by weight mixing of printed material employing resin 100 parts, DMF5 part, methyl esters 100 parts is composite to be formed, viscosity 1200cps, and printed material use amount is 18g/ rice;
Delustring: delustring material is resin, viscosity is 1500cps, and delustring material consumption is 20g/ rice;
Embossing: knurling rolls used are silica gel roller, temperature is 195 DEG C, and speed is 12m/min;
Hat print: make use calendering material, viscosity is 3000cps, temperature 170 DEG C, and the speed of a motor vehicle is 15m/min;
Calendering: temperature 140 DEG C, speed 13m/min;
Backwater is rubbed: draft amount 0.3kg/m, bake out temperature 90 DEG C, drying time 60 minutes.
Embodiment 2
Plant and rub upper leather and be made up of the method comprising the following steps:
1) wet processing: the two-sided elastic force base cloth thick to 0.65mm carries out pre-consolidated, then plates, is directly coated with Polyurethane resin slurry, solidify, washing, dries, rolling, and semi-finished product bass is checked; Polyurethane resin slurry is made up of the raw material of following parts by weight: Polyurethane resin slurry is made up of the raw material of following parts by weight: polyurethane resin 100 parts; Blowing agent 3 parts; Foam stabilizer 3 parts; Mill base 0.5 part; Wood powder 30 parts; Fine particle calcium carbonate 20 parts; 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 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, oven temperature 170 DEG C.
2) dry process: straight painting polyurethane cover slurry in release liners, semi-finished product bass of then fitting, dries, rolling, middle product inspection; Polyurethane cover slurry is made up of the raw material of following parts by weight: polyurethane resin DF-30100 part; DMF50 part; Methyl esters 50 parts; Pigment 13 parts; Thickener 2 parts; Levelling agent 1 part; Wetting agent 2 parts; Remover 0.5 part; Waterproofing agent 1 part, described polyurethane cover slurry viscosity is 2200cps, also add FN805, FN801, FN802 and FN803 that total amount is 6 parts in polyurethane cover slurry, the percentage by weight that FN805, FN801, FN802 and FN803 account for these 4 kinds of auxiliary agent total amounts is respectively: FN80180%; FN80213%; FN8031%; FN8056%.On production line, temperature is 110 DEG C, and the speed of a motor vehicle is 18m/min, and it is 0.15mm that surface layer slurry coating is coated with cutter gap.
3) aftertreatment technology: printing, delustring, embossing, hat print, calendering, backwater is rubbed.Concrete technology parameter is as follows:
Printing: the parts by weight mixing of printed material employing resin 100 parts, DMF5 part, methyl esters 100 parts is composite to be formed, viscosity 1400cps, and printed material use amount is 19g/ rice;
Delustring: delustring material is resin, viscosity is 1200cps, and delustring material consumption is 19g/ rice;
Embossing: knurling rolls used are silica gel roller, temperature is 180 DEG C, and speed is 10m/min;
Hat print: make use calendering material, viscosity is 3200cps, temperature 170 DEG C, and the speed of a motor vehicle is 15m/min;
Calendering: temperature 142 DEG C, speed 14m/min;
Backwater is rubbed: draft amount 0.3kg/m, bake out temperature 80 DEG C, drying time 55 minutes.
Embodiment 3
Plant and rub upper leather and be made up of the method comprising the following steps:
1) wet processing: the two-sided elastic force base cloth thick to 0.65mm carries out pre-consolidated, then plates, is directly coated with Polyurethane resin slurry, solidify, washing, dries, rolling, and semi-finished product bass is checked; Polyurethane resin slurry is made up of the raw material of following parts by weight: polyurethane resin 100 parts; Blowing agent 2 parts; Foam stabilizer 0.5 part; Mill base 1 part; Wood powder 40 parts; Fine particle calcium carbonate 17 parts; DMF130 part, the viscosity of Polyurethane resin slurry is 9000cps.The speed of a motor vehicle is 23m/min, and it is 2mm that 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, oven temperature 190 DEG C.
2) dry process: straight painting polyurethane cover slurry in release liners, semi-finished product bass of then fitting, dries, rolling, middle product inspection; Polyurethane cover slurry is made up of the raw material of following parts by weight: polyurethane resin DF-30100 part; DMF50 part; Methyl esters 50 parts; Pigment 17 parts; Thickener 1 part; Levelling agent 3 parts; Wetting agent 3 parts; Remover 1 part; Waterproofing agent 4 parts, described polyurethane cover slurry viscosity is 2500cps, also add FN805, FN801, FN802 and FN803 that total amount is 7 parts in polyurethane cover slurry, the percentage by weight that FN805, FN801, FN802 and FN803 account for these 4 kinds of auxiliary agent total amounts is respectively: FN80177%; FN80217%; FN8032%; FN8054%.On production line, temperature is 130 DEG C, and the speed of a motor vehicle is 20m/min, and it is 0.2mm that surface layer slurry coating is coated with cutter gap.
3) aftertreatment technology: printing, delustring, embossing, hat print, calendering, backwater is rubbed.Concrete technology parameter is as follows:
Printing: the parts by weight mixing of printed material employing resin 100 parts, DMF5 part, methyl esters 100 parts is composite to be formed, viscosity 1200cps, and printed material use amount is 18g/ rice;
Delustring: delustring material is resin, viscosity is 1200cps, and delustring material consumption is 18g/ rice;
Embossing: knurling rolls used are silica gel roller, temperature is 190 DEG C, and speed is 11m/min;
Hat print: make use calendering material, viscosity is 3500cps, temperature 170 DEG C, and the speed of a motor vehicle is 15m/min;
Calendering: temperature 145 DEG C, speed 15m/min;
Backwater is rubbed: draft amount 0.3kg/m, bake out temperature 85 DEG C, drying time 50 minutes.
Soft luggage leather product of the present invention detects through Wenzhou Zhong Ce environmental protection tests Technology Co., Ltd., 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 amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., be all included within protection scope of the present invention.
Claims (7)
1. plant and rub a upper leather, it is characterized in that it adopts the method comprised the following steps to make:
1) wet processing: pre-consolidated is carried out to base cloth, then plates, be directly coated with Polyurethane resin slurry, solidify, washing, dries, rolling, and semi-finished product bass is checked;
2) dry process: straight painting polyurethane cover slurry in release liners, semi-finished product bass of then fitting, dries, rolling, middle product inspection; Described polyurethane cover slurry is made up of the raw material of following parts by weight: polyurethane resin 100 parts; DMF50 part; Methyl esters 50 parts; Pigment 9-17 parts; Thickener 0.1-4 parts; Levelling agent 0.1-3 parts; Wetting agent 0.1-3 parts; Remover 0.5-2 parts; Waterproofing agent 1-4 parts, described polyurethane cover slurry viscosity is 2000-2500cps; Following 4 kinds of auxiliary agents that total amount is 5-7 parts by weight are also added: FN805, FN801, FN802 and FN803 in described polyurethane cover slurry, FN805 is 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;
3) aftertreatment technology: printing, delustring, embossing, hat print, 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) is made up of the raw material of following parts by weight: polyurethane resin 100 parts; Blowing agent 0.5-3 parts; Foam stabilizer 0.5-3 parts; Mill base 0.5-2 parts; Wood powder 30-40 parts; Fine particle calcium carbonate 15-20 parts; 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 the percentage by weight that described FN805, FN801, FN802 and FN803 account for these 4 kinds of auxiliary agent total amounts is respectively: FN80177% ~ 86%; FN8029% ~ 17%; FN8030.1% ~ 3%; FN8054% ~ 9%.
4. 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 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, oven temperature 160-190 DEG C.
5. 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 DEG C, the speed of a motor vehicle is 18 ~ 25m/min, and it is 0.12 ~ 0.20mm that surface layer slurry coating is coated with cutter gap.
6. 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) print: the parts by weight mixing of printed material employing resin 100 parts, DMF5 part, methyl esters 100 parts is composite to be formed, viscosity 1200-1500cps, and printed material use amount is 18g-20g/ rice;
2) delustring: delustring material is resin, 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 DEG C, speed is 10m/min-12m/min;
4) hat print: make use calendering material, viscosity is 3000-3500cps, temperature 170 DEG C, and the speed of a motor vehicle is 15m/min;
5) calendering: temperature 140 DEG C ~ 145 DEG C, speed 13m/min ~ 15m/min;
6) backwater is rubbed: draft amount 0.3kg/m, bake out temperature 80 DEG C ~ 90 DEG C, drying time 50 ~ 60 minutes.
7. 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 the two-sided elastic force base cloth or imitative velveteen that 0.65mm is thick.
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| CN105155295B (en) * | 2015-08-13 | 2018-02-06 | 浙江繁盛超纤制品有限公司 | A kind of aqueous polyurethane clothing leather production technology |
| 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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