CN110055358B - Manufacturing process of antifouling, ultralow-total-carbon-emission and wear-resistant cowhide automobile cushion leather - Google Patents
Manufacturing process of antifouling, ultralow-total-carbon-emission and wear-resistant cowhide automobile cushion leather Download PDFInfo
- Publication number
- CN110055358B CN110055358B CN201910405405.6A CN201910405405A CN110055358B CN 110055358 B CN110055358 B CN 110055358B CN 201910405405 A CN201910405405 A CN 201910405405A CN 110055358 B CN110055358 B CN 110055358B
- Authority
- CN
- China
- Prior art keywords
- coating
- resistant
- parts
- leather
- water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000010985 leather Substances 0.000 title claims abstract description 82
- 230000003373 anti-fouling effect Effects 0.000 title claims abstract description 18
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 13
- 238000000576 coating method Methods 0.000 claims abstract description 83
- 239000011248 coating agent Substances 0.000 claims abstract description 77
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 50
- 238000000034 method Methods 0.000 claims abstract description 43
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims abstract description 41
- 239000003063 flame retardant Substances 0.000 claims abstract description 41
- 239000000463 material Substances 0.000 claims abstract description 41
- 229920002635 polyurethane Polymers 0.000 claims abstract description 27
- 239000004814 polyurethane Substances 0.000 claims abstract description 27
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 24
- 239000004925 Acrylic resin Substances 0.000 claims abstract description 17
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 13
- 239000000779 smoke Substances 0.000 claims abstract description 11
- 230000002401 inhibitory effect Effects 0.000 claims abstract description 10
- 125000002091 cationic group Chemical group 0.000 claims abstract description 9
- 239000000839 emulsion Substances 0.000 claims abstract description 8
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims abstract description 6
- 239000004810 polytetrafluoroethylene Substances 0.000 claims abstract description 6
- 150000001718 carbodiimides Chemical class 0.000 claims abstract description 5
- 239000003431 cross linking reagent Substances 0.000 claims abstract description 5
- 239000000049 pigment Substances 0.000 claims abstract description 4
- 239000007788 liquid Substances 0.000 claims description 40
- 239000006210 lotion Substances 0.000 claims description 26
- 229920002472 Starch Polymers 0.000 claims description 19
- 239000008107 starch Substances 0.000 claims description 19
- 235000019698 starch Nutrition 0.000 claims description 19
- 238000002360 preparation method Methods 0.000 claims description 18
- 238000003756 stirring Methods 0.000 claims description 16
- 229920000178 Acrylic resin Polymers 0.000 claims description 14
- 239000000203 mixture Substances 0.000 claims description 12
- 238000005299 abrasion Methods 0.000 claims description 11
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 10
- 238000005406 washing Methods 0.000 claims description 10
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 claims description 9
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 claims description 8
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 claims description 8
- 238000009966 trimming Methods 0.000 claims description 8
- 239000004280 Sodium formate Substances 0.000 claims description 7
- 238000002156 mixing Methods 0.000 claims description 7
- HLBBKKJFGFRGMU-UHFFFAOYSA-M sodium formate Chemical compound [Na+].[O-]C=O HLBBKKJFGFRGMU-UHFFFAOYSA-M 0.000 claims description 7
- 235000019254 sodium formate Nutrition 0.000 claims description 7
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 6
- 229920001730 Moisture cure polyurethane Polymers 0.000 claims description 6
- APUPEJJSWDHEBO-UHFFFAOYSA-P ammonium molybdate Chemical compound [NH4+].[NH4+].[O-][Mo]([O-])(=O)=O APUPEJJSWDHEBO-UHFFFAOYSA-P 0.000 claims description 6
- 235000018660 ammonium molybdate Nutrition 0.000 claims description 6
- 239000011609 ammonium molybdate Substances 0.000 claims description 6
- 229940010552 ammonium molybdate Drugs 0.000 claims description 6
- 229910021538 borax Inorganic materials 0.000 claims description 6
- 238000006386 neutralization reaction Methods 0.000 claims description 6
- -1 perfluorooctyl sulfonic acid tetraethylene amine Chemical class 0.000 claims description 6
- 239000004328 sodium tetraborate Substances 0.000 claims description 6
- 235000010339 sodium tetraborate Nutrition 0.000 claims description 6
- 239000002041 carbon nanotube Substances 0.000 claims description 5
- 229910021393 carbon nanotube Inorganic materials 0.000 claims description 5
- 239000002655 kraft paper Substances 0.000 claims description 5
- 235000017550 sodium carbonate Nutrition 0.000 claims description 5
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 5
- JAHNSTQSQJOJLO-UHFFFAOYSA-N 2-(3-fluorophenyl)-1h-imidazole Chemical compound FC1=CC=CC(C=2NC=CN=2)=C1 JAHNSTQSQJOJLO-UHFFFAOYSA-N 0.000 claims description 4
- GPZXFICWCMCQPF-UHFFFAOYSA-N 2-methylbenzoyl chloride Chemical compound CC1=CC=CC=C1C(Cl)=O GPZXFICWCMCQPF-UHFFFAOYSA-N 0.000 claims description 4
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 claims description 4
- NJESAXZANHETJV-UHFFFAOYSA-N 4-methylsalicylic acid Chemical compound CC1=CC=C(C(O)=O)C(O)=C1 NJESAXZANHETJV-UHFFFAOYSA-N 0.000 claims description 4
- ZGTNBBQKHJMUBI-UHFFFAOYSA-N bis[tetrakis(hydroxymethyl)-lambda5-phosphanyl] sulfate Chemical compound OCP(CO)(CO)(CO)OS(=O)(=O)OP(CO)(CO)(CO)CO ZGTNBBQKHJMUBI-UHFFFAOYSA-N 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 4
- VQAZCUCWHIIFGE-UHFFFAOYSA-N diethyl 2-ethylpropanedioate Chemical compound CCOC(=O)C(CC)C(=O)OCC VQAZCUCWHIIFGE-UHFFFAOYSA-N 0.000 claims description 4
- 150000002009 diols Chemical class 0.000 claims description 4
- VFHVQBAGLAREND-UHFFFAOYSA-N diphenylphosphoryl-(2,4,6-trimethylphenyl)methanone Chemical compound CC1=CC(C)=CC(C)=C1C(=O)P(=O)(C=1C=CC=CC=1)C1=CC=CC=C1 VFHVQBAGLAREND-UHFFFAOYSA-N 0.000 claims description 4
- 235000019253 formic acid Nutrition 0.000 claims description 4
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 claims description 4
- OVGXLJDWSLQDRT-UHFFFAOYSA-L magnesium lactate Chemical compound [Mg+2].CC(O)C([O-])=O.CC(O)C([O-])=O OVGXLJDWSLQDRT-UHFFFAOYSA-L 0.000 claims description 4
- 235000015229 magnesium lactate Nutrition 0.000 claims description 4
- 239000000626 magnesium lactate Substances 0.000 claims description 4
- 229960004658 magnesium lactate Drugs 0.000 claims description 4
- LVHBHZANLOWSRM-UHFFFAOYSA-N methylenebutanedioic acid Natural products OC(=O)CC(=C)C(O)=O LVHBHZANLOWSRM-UHFFFAOYSA-N 0.000 claims description 4
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical compound [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 claims description 4
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 claims description 4
- 239000004417 polycarbonate Substances 0.000 claims description 4
- 229920000515 polycarbonate Polymers 0.000 claims description 4
- 235000017557 sodium bicarbonate Nutrition 0.000 claims description 4
- 229910000030 sodium bicarbonate Inorganic materials 0.000 claims description 4
- PTBDIHRZYDMNKB-UHFFFAOYSA-N 2,2-Bis(hydroxymethyl)propionic acid Chemical compound OCC(C)(CO)C(O)=O PTBDIHRZYDMNKB-UHFFFAOYSA-N 0.000 claims description 3
- 239000004970 Chain extender Substances 0.000 claims description 3
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 3
- 239000002202 Polyethylene glycol Substances 0.000 claims description 3
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 3
- UKLDJPRMSDWDSL-UHFFFAOYSA-L [dibutyl(dodecanoyloxy)stannyl] dodecanoate Chemical compound CCCCCCCCCCCC(=O)O[Sn](CCCC)(CCCC)OC(=O)CCCCCCCCCCC UKLDJPRMSDWDSL-UHFFFAOYSA-L 0.000 claims description 3
- 239000012975 dibutyltin dilaurate Substances 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 238000004945 emulsification Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 229920001223 polyethylene glycol Polymers 0.000 claims description 3
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 3
- 239000011734 sodium Substances 0.000 claims description 3
- 229910052708 sodium Inorganic materials 0.000 claims description 3
- 239000002904 solvent Substances 0.000 claims description 3
- LRWZZZWJMFNZIK-UHFFFAOYSA-N 2-chloro-3-methyloxirane Chemical compound CC1OC1Cl LRWZZZWJMFNZIK-UHFFFAOYSA-N 0.000 claims description 2
- RAUWPNXIALNKQM-UHFFFAOYSA-N 4-nitro-1,2-phenylenediamine Chemical compound NC1=CC=C([N+]([O-])=O)C=C1N RAUWPNXIALNKQM-UHFFFAOYSA-N 0.000 claims description 2
- 230000008033 biological extinction Effects 0.000 claims description 2
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 claims 5
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims 4
- LEQAOMBKQFMDFZ-UHFFFAOYSA-N glyoxal Chemical compound O=CC=O LEQAOMBKQFMDFZ-UHFFFAOYSA-N 0.000 claims 4
- DLYUQMMRRRQYAE-UHFFFAOYSA-N tetraphosphorus decaoxide Chemical compound O1P(O2)(=O)OP3(=O)OP1(=O)OP2(=O)O3 DLYUQMMRRRQYAE-UHFFFAOYSA-N 0.000 claims 4
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 claims 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims 3
- CZHYKKAKFWLGJO-UHFFFAOYSA-N dimethyl phosphite Chemical compound COP([O-])OC CZHYKKAKFWLGJO-UHFFFAOYSA-N 0.000 claims 3
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims 3
- 239000004342 Benzoyl peroxide Substances 0.000 claims 2
- OMPJBNCRMGITSC-UHFFFAOYSA-N Benzoylperoxide Chemical compound C=1C=CC=CC=1C(=O)OOC(=O)C1=CC=CC=C1 OMPJBNCRMGITSC-UHFFFAOYSA-N 0.000 claims 2
- 229920000877 Melamine resin Polymers 0.000 claims 2
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 claims 2
- 235000019400 benzoyl peroxide Nutrition 0.000 claims 2
- GVGUFUZHNYFZLC-UHFFFAOYSA-N dodecyl benzenesulfonate;sodium Chemical compound [Na].CCCCCCCCCCCCOS(=O)(=O)C1=CC=CC=C1 GVGUFUZHNYFZLC-UHFFFAOYSA-N 0.000 claims 2
- 239000003995 emulsifying agent Substances 0.000 claims 2
- 125000002791 glucosyl group Chemical group C1([C@H](O)[C@@H](O)[C@H](O)[C@H](O1)CO)* 0.000 claims 2
- 229940015043 glyoxal Drugs 0.000 claims 2
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 claims 2
- 229940080264 sodium dodecylbenzenesulfonate Drugs 0.000 claims 2
- 229910001870 ammonium persulfate Inorganic materials 0.000 claims 1
- 230000001276 controlling effect Effects 0.000 claims 1
- 238000001816 cooling Methods 0.000 claims 1
- 239000002612 dispersion medium Substances 0.000 claims 1
- 230000001804 emulsifying effect Effects 0.000 claims 1
- 239000003999 initiator Substances 0.000 claims 1
- 230000000977 initiatory effect Effects 0.000 claims 1
- 230000001105 regulatory effect Effects 0.000 claims 1
- 230000002940 repellent Effects 0.000 claims 1
- 239000005871 repellent Substances 0.000 claims 1
- 238000000889 atomisation Methods 0.000 abstract description 8
- 239000002585 base Substances 0.000 description 13
- 239000010410 layer Substances 0.000 description 8
- 239000003973 paint Substances 0.000 description 8
- 239000000126 substance Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 239000002250 absorbent Substances 0.000 description 5
- 230000002745 absorbent Effects 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 4
- 150000003863 ammonium salts Chemical class 0.000 description 4
- 238000005303 weighing Methods 0.000 description 4
- 239000004519 grease Substances 0.000 description 3
- 230000035515 penetration Effects 0.000 description 3
- 238000007761 roller coating Methods 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical class [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- 235000010521 Cicer Nutrition 0.000 description 2
- 241000220455 Cicer Species 0.000 description 2
- BRLQWZUYTZBJKN-UHFFFAOYSA-N Epichlorohydrin Chemical compound ClCC1CO1 BRLQWZUYTZBJKN-UHFFFAOYSA-N 0.000 description 2
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 230000000844 anti-bacterial effect Effects 0.000 description 2
- 239000003899 bactericide agent Substances 0.000 description 2
- 150000001768 cations Chemical class 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000004132 cross linking Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000004043 dyeing Methods 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 238000011049 filling Methods 0.000 description 2
- 238000007654 immersion Methods 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 239000012948 isocyanate Substances 0.000 description 2
- 150000002513 isocyanates Chemical class 0.000 description 2
- 235000013372 meat Nutrition 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 229920005749 polyurethane resin Polymers 0.000 description 2
- SCVFZCLFOSHCOH-UHFFFAOYSA-M potassium acetate Chemical compound [K+].CC([O-])=O SCVFZCLFOSHCOH-UHFFFAOYSA-M 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000002791 soaking Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 239000004094 surface-active agent Substances 0.000 description 2
- 230000002195 synergetic effect Effects 0.000 description 2
- 238000009489 vacuum treatment Methods 0.000 description 2
- 238000004383 yellowing Methods 0.000 description 2
- ANYWGXDASKQYAD-UHFFFAOYSA-N 5-nitroisoindole-1,3-dione Chemical compound [O-][N+](=O)C1=CC=C2C(=O)NC(=O)C2=C1 ANYWGXDASKQYAD-UHFFFAOYSA-N 0.000 description 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- HLCFGWHYROZGBI-JJKGCWMISA-M Potassium gluconate Chemical compound [K+].OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C([O-])=O HLCFGWHYROZGBI-JJKGCWMISA-M 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- KOXQASYUVUTQFX-UHFFFAOYSA-N [Mg].CCCl Chemical compound [Mg].CCCl KOXQASYUVUTQFX-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
- 150000004645 aluminates Chemical class 0.000 description 1
- ANBBXQWFNXMHLD-UHFFFAOYSA-N aluminum;sodium;oxygen(2-) Chemical compound [O-2].[O-2].[Na+].[Al+3] ANBBXQWFNXMHLD-UHFFFAOYSA-N 0.000 description 1
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 238000009739 binding Methods 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 239000011258 core-shell material Substances 0.000 description 1
- 239000013527 degreasing agent Substances 0.000 description 1
- 238000005237 degreasing agent Methods 0.000 description 1
- 230000032798 delamination Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004049 embossing Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 229910001629 magnesium chloride Inorganic materials 0.000 description 1
- 229960002337 magnesium chloride Drugs 0.000 description 1
- 239000004337 magnesium citrate Substances 0.000 description 1
- 229960005336 magnesium citrate Drugs 0.000 description 1
- 235000002538 magnesium citrate Nutrition 0.000 description 1
- 229940091250 magnesium supplement Drugs 0.000 description 1
- DZBOAIYHPIPCBP-UHFFFAOYSA-L magnesium;2-methylprop-2-enoate Chemical compound [Mg+2].CC(=C)C([O-])=O.CC(=C)C([O-])=O DZBOAIYHPIPCBP-UHFFFAOYSA-L 0.000 description 1
- 239000006224 matting agent Substances 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 238000005554 pickling Methods 0.000 description 1
- 239000011527 polyurethane coating Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 235000011056 potassium acetate Nutrition 0.000 description 1
- 229960004109 potassium acetate Drugs 0.000 description 1
- 239000004224 potassium gluconate Substances 0.000 description 1
- 235000013926 potassium gluconate Nutrition 0.000 description 1
- 229960003189 potassium gluconate Drugs 0.000 description 1
- 230000037452 priming Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 229910001388 sodium aluminate Inorganic materials 0.000 description 1
- HYHCSLBZRBJJCH-UHFFFAOYSA-M sodium hydrosulfide Chemical compound [Na+].[SH-] HYHCSLBZRBJJCH-UHFFFAOYSA-M 0.000 description 1
- 229910052979 sodium sulfide Inorganic materials 0.000 description 1
- GRVFOGOEDUUMBP-UHFFFAOYSA-N sodium sulfide (anhydrous) Chemical compound [Na+].[Na+].[S-2] GRVFOGOEDUUMBP-UHFFFAOYSA-N 0.000 description 1
- 239000008234 soft water Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- PLSARIKBYIPYPF-UHFFFAOYSA-H trimagnesium dicitrate Chemical compound [Mg+2].[Mg+2].[Mg+2].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O.[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O PLSARIKBYIPYPF-UHFFFAOYSA-H 0.000 description 1
- 238000001291 vacuum drying Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C14—SKINS; HIDES; PELTS; LEATHER
- C14C—CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING, IMPREGNATING, FINISHING; APPARATUS THEREFOR; COMPOSITIONS FOR TANNING
- C14C1/00—Chemical treatment prior to tanning
- C14C1/08—Deliming; Bating; Pickling; Degreasing
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/08—Processes
- C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
- C08G18/44—Polycarbonates
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
- C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
- C08G18/6633—Compounds of group C08G18/42
- C08G18/6659—Compounds of group C08G18/42 with compounds of group C08G18/34
-
- C—CHEMISTRY; METALLURGY
- C14—SKINS; HIDES; PELTS; LEATHER
- C14C—CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING, IMPREGNATING, FINISHING; APPARATUS THEREFOR; COMPOSITIONS FOR TANNING
- C14C11/00—Surface finishing of leather
-
- C—CHEMISTRY; METALLURGY
- C14—SKINS; HIDES; PELTS; LEATHER
- C14C—CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING, IMPREGNATING, FINISHING; APPARATUS THEREFOR; COMPOSITIONS FOR TANNING
- C14C3/00—Tanning; Compositions for tanning
- C14C3/02—Chemical tanning
- C14C3/28—Multi-step processes
-
- C—CHEMISTRY; METALLURGY
- C14—SKINS; HIDES; PELTS; LEATHER
- C14C—CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING, IMPREGNATING, FINISHING; APPARATUS THEREFOR; COMPOSITIONS FOR TANNING
- C14C9/00—Impregnating leather for preserving, waterproofing, making resistant to heat or similar purposes
- C14C9/02—Impregnating leather for preserving, waterproofing, making resistant to heat or similar purposes using fatty or oily materials, e.g. fat liquoring
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Treatment And Processing Of Natural Fur Or Leather (AREA)
Abstract
The invention relates to a process for manufacturing antifouling, ultralow-total-carbon-emission and wear-resistant cowhide automobile cushion leather, wherein a primary coating comprises water-based pigment paste, light-resistant coating, light-resistant acrylate resin coating, light-resistant waterborne polyurethane, flame-retardant coating and cationic oil; the intermediate coating comprises delustering polyurethane, bright polyurethane, a cross-linking agent, a material, wear-resistant polyurethane, carbodiimide, PTFE emulsion and a smoke inhibiting material; the top coating includes a hand feel agent and a cationic oil. The prepared cowhide automobile cushion leather improves the antifouling, ultralow total carbon emission and wear resistance of the automobile leather on the basis of keeping flame retardance, light resistance and low atomization.
Description
Technical Field
The invention relates to a manufacturing process of automobile cushion leather, in particular to a manufacturing process of antifouling, ultralow-total-carbon-emission and wear-resistant cowhide automobile cushion leather.
Background
China is currently the largest automobile consumer market in the world, with over 2900 thousands of automobiles in 2017, 20% of which are fitted with genuine leather seats. With the prosperity of the automobile market, the business opportunities of automobile leather making are concerned by more and more leather enterprises. 2017 shows that the profit of the automobile leather alone keeps increasing under the environment that the profits of all products in the national leather industry generally decrease.
Chinese invention patent 201510694401.6 discloses a manufacturing process of flame-retardant, yellowing-resistant and low-fogging cowhide automobile cushion leather, which adopts a preparation process of the automobile cushion leather, wherein ammonium salt deliming is replaced by ammonium salt deliming, the atomization value of the cushion leather is reduced by high-temperature water washing, the flame retardant property of the leather is improved by the steps of retanning, fatliquoring and finishing, and the light resistance of a coating is improved by a light-resistant material. The process also adopts roller coating instead of spraying to reduce the use amount of the leather material.
Chinese patent 201510694403.5 discloses a process for manufacturing flame-retardant, light-resistant, low-fogging and degradable cow leather automobile seat cushion leather. Ammonium salt-free deliming replaces ammonium salt deliming, a tetrakis hydroxymethyl phosphonium sulfate and flame-retardant starch type leather surfactant are selected as a leather tanning agent to replace a traditional chrome tanning agent, the atomization value of cushion leather is reduced by high-temperature water washing, the flame retardant property of the leather is improved by the steps of retanning, greasing and finishing, the light resistance of a coating is improved by a light-resistant material, the use amount of a skinning material is reduced by selecting roll coating to replace spraying, and the prepared cow leather automobile cushion leather has better flame retardance and light resistance, lower atomization value and is easier to degrade.
The technical solutions disclosed in the above two patents are less related to how to implement low carbon emission, how to further improve antifouling performance, and how to improve wear resistance of finished leather. Because the automobile usually has long service life and the probability of various pollutants being stained on the surface of the automobile leather is higher, the aesthetic feeling and the service life of the automobile leather are influenced.
Disclosure of Invention
The invention aims to solve the technical problem of providing a manufacturing process of the anti-fouling, ultralow-total-carbon-emission and wear-resistant cowhide automobile seat cushion leather.
The technical scheme of the invention is as follows:
antifouling, ultralow total carbon distributes, wear-resisting loss cow hide car cushion leather manufacturing process, including the deliming process, retanning process neutralization process, fatliquoring process and coating process, its characterized in that: the coating process comprises the following steps of sequentially performing base coating, intermediate coating and top coating, wherein the coating is roll coating, the roll coating temperature is 101-105 ℃, the base coating is rolled for three times, the intermediate coating is rolled for two times, and the top coating is rolled for one time, and each layer of coating comprises the following components:
(a) the base coating comprises the following components in parts by weight: 0.5-2 parts of water-based pigment paste, 25 parts of water, 2-4 parts of light-resistant coating, 1-3 parts of light-resistant acrylate resin coating, 2-4 parts of light-resistant waterborne polyurethane, 2-7 parts of flame-retardant coating and 0.3-0.5 part of cationic oil;
the preparation method of the light-resistant coating comprises the following steps: mixing 50g of silicone-acrylic emulsion, 1-1.3 g of perfluorooctyl sulfonic acid tetraethylene amine, 0.2-0.6 g of pentaerythritol, 0.5-1.3 g of epoxy chloropropane, 0.2-0.7 g of nano titanium dioxide, 1.2-3.2 g of polyvinyl alcohol and 15-25 g of water, stirring at a high speed for 1-3 h, and reacting at 60-80 ℃ for 1-3 h to obtain the light-resistant coating;
(b) the middle coating comprises the following components in parts by weight: 40 parts of water, 20-60 parts of extinction polyurethane, 5-20 parts of bright polyurethane, 4-15 parts of a cross-linking agent, 6-12 parts of a material B, 6-12 parts of wear-resistant polyurethane, 0.3-0.6 part of carbodiimide, 0.2-0.7 part of PTFE emulsion and 0.4-0.8 part of a smoke inhibiting material;
the preparation method of the material B comprises the following steps: uniformly mixing and stirring 0.6g of 2,4, 6-trimethylbenzoyl-diphenylphosphine oxide, 3.4-6.2 g of acrylic resin, 0.15-0.30 g of o-methylbenzoyl chloride, 0.2-0.4 g of penetrating agent and 0.1-0.2 g of 4-nitro-o-phenylenediamine to obtain a material B;
the preparation method of the wear-resistant polyurethane comprises the following steps: adding 38g of polycarbonate diol with molecular weight of 2000, 9.6-11.6 g of 4, 4-diphenylmethane diisocyanate and 0.10-0.15 g of dibutyltin dilaurate into a reaction container, stirring and reacting at 70-80 ℃ for 1-3 h to obtain a polyurethane prepolymer, adding 0.6-3.1 g of hydrophilic chain extender dimethylolpropionic acid and 6.5-7.5 g of acetone solvent into the polyurethane prepolymer, and stirring and reacting at 60-80 ℃ for 0.5-1 h; adding 2.0-3.0 g of triethylamine and 100-120 g of water for emulsification for 20-40 min to obtain abrasion-resistant polyurethane;
the preparation method of the smoke inhibiting material comprises the following steps: mixing and stirring 0.2-0.6 g of borax, 0.8-1.2 g of ammonium molybdate, 0.1-0.4 g of polyethylene glycol and 50g of water at 50-70 ℃ for 1-2 h, heating to 80 ℃, adding 0.1-0.4 g of sodium tetrahydroxyaluminate, 1.2-1.6 g of itaconic acid and 0.2-0.7 g of diethyl ethylmalonate, and stirring and reacting for 1-2 h under the condition of controlling the pH to be about 5.0 to obtain the smoke inhibiting material;
(c) the top coating comprises the following components in parts by weight: 14 parts of water, 5-7 parts of a hand feeling agent and 0.2-0.3 part of cationic oil.
Preferably, the light-resistant acrylic resin coating is a carbon nanotube modified acrylic resin light-resistant coating.
Preferably, the deliming procedure comprises a pre-deliming procedure and a main deliming procedure; pre-deliming: taking the weight of the ash-soaked bare skin after trimming as the weight base, applying 0.2-0.7% of magnesium lactate and 0.2% of 2-hydroxypropionic acid for pre-deliming, wherein the bath liquid ratio is 100-150%, the bath liquid pH is about 9.5, the bath liquid temperature is controlled at 18-25 ℃, and the rotation is carried out for 60-90 min; the main deliming procedure comprises the following steps: the bath liquid ratio is 100-150%, the bath temperature is 18-25 ℃, 0.2-0.7% of 4-methyl salicylic acid is added, the pH value is about 9.0, and the rotation is carried out for 60-90 min.
Preferably, the retanning procedure is: the bath liquid ratio is 100-200%, the bath liquid temperature is 40 ℃, 2-5% of tetrakis hydroxymethyl phosphonium sulfate, 1-3% of retanning type intumescent flame retardant and 2% of intumescent starch flame retardant special for leather are added, the mixture is rotated for 30-50 min, 0.2-0.6% of sodium formate is added, the mixture is rotated for 30min, then sodium bicarbonate is added to adjust the pH value to 5.0, the mixture is rotated for 40min, the mixture is washed twice with water at 50 ℃ for 10min each time, and liquid is discharged.
Preferably, the retanning intumescent flame retardant is prepared according to example two of 201010013610.7.
Preferably, the leather-specific intumescent starch flame retardant is prepared according to example three of 201010534448.3.
Preferably, the neutralization step: taking the weight of the shaved skin after trimming as the weight base, the bath lotion ratio is 120%, the bath lotion temperature is 34-36 ℃, sodium formate is added for 0.8-1.0%, the operation is carried out for 30-50 min, sodium carbonate is added for 0.4-0.7%, the operation is carried out for 40-60 min, and the water is washed twice by water with the temperature of 55-60 ℃ and drained.
Preferably, the step of fatliquoring comprises: taking the weight of the shaved skin after trimming as the weight base, 80% of bath lotion, 38-42 ℃ of bath lotion, 5-11% of fatting agent SE, 30-60 min of rotation, 1-3% of flame-retardant phosphorylated fatting agent A and 2-4% of flame-retardant phosphorylated fatting agent B, 60-90 min of rotation, 100% of water addition, 48-52 ℃ of bath lotion temperature adjustment, 60-90 min of rotation, 1.5-2.0% of formic acid addition, 60-90 min of rotation, washing twice with 62-65 ℃ water and discharging liquid.
Preferably, the flame retardant phosphorylated fatliquor a is prepared according to example two of 201210416063.6; the flame retardant phosphorylated fatliquor B was prepared according to example one of 201410430147.4.
Preferably, the acrylic resin is prepared according to the first embodiment of patent 201410159426.1.
The invention has the positive effects that:
(1) the TOC can be effectively reduced through a series of technical means such as ammonia-free deliming, critical temperature water washing after tanning, associative fatliquoring, high-strength vacuum treatment, perfection of a coating material molecular inter-chain net structure and the like, and the automobile cushion leather with low atomization and ultralow total carbon emission is obtained. In the process of reducing TOC and atomization value, the invention adopts the following five measures:
a) and the ammonium salt deliming is replaced by ammonium salt-free deliming, and magnesium citrate, magnesium chloride, magnesium 2-hydroxy-1, 2, 3-tricarballylic acid, magnesium ethyl chloride, magnesium methacrylate, magnesium lactate, 4-methyl salicylic acid, potassium acetate and potassium gluconate are used as ammonium-free deliming agents, so that the ammonia nitrogen content in the wastewater and the atomization value of the automobile leather are reduced.
b) And after tanning, washing with water at critical temperature, greatly increasing the washing temperature of the neutralization, retanning and fatliquoring procedures to 50 ℃, 55 ℃ and 65 ℃ respectively in a safe range, and fully washing off small molecular compounds, thereby effectively reducing the total carbon emission of the leather.
c) The combined flame-retardant fat-liquoring agent is adopted, and the starch-based surfactant is utilized to promote the uniform penetration of grease, so that bath lotion is clear, the grease absorption rate reaches 95%, the leather fibers are firmly combined, and the generation of free grease is obviously reduced.
d) And the washed leather blank is subjected to high-strength vacuum treatment, so that residual volatile micromolecular compounds can be quickly removed in a short time.
e) The matting agent, the soft water polyurethane resin, the medium hard polyurethane resin and the isocyanate crosslinking agent of the coating material are matched, so that the inter-molecular-chain net structure of the coating material is improved, the volatilization of small molecular substances is delayed, and the TOC is reduced.
(2) The invention prepares and adopts the PUD finishing agent which is formed by crosslinking polycarbonate diol and isocyanate and is used as wear-resistant polyurethane, and adopts the synergistic finishing method of double-layer polytetrafluoroethylene copolymer reinforced top coating and polyurethane, thereby increasing the charge adjustment and static electricity removal procedures of wet leather blanks, and effectively solving the technical problems which are difficult to solve by the prior art that automobile leather is easy to yellow under sunlight solarization and the coating is fragile and has poor dustproof effect under repeated friction.
(3) Aiming at the problems that the service life of an automobile is long, various pollutants are attached to the surface of automobile leather, and the service life and the aesthetic feeling of an automobile leather coating are influenced, the dyeing process disclosed by the invention is used for carrying out electrostatic conditioning after dyeing, adjusting the charge states of various ions in a leather blank under a wet condition, eliminating strong-polarity ions, and simultaneously adding an electrostatic removing process between a primary coating drying process and an embossing process, wherein the two processes are combined to ensure the three-proofing treatment effect of the automobile cushion leather.
The leather is covered with the cationic assistant to change the surface charge of the coating, so as to reduce the dust adsorption of the leather, and the inner sealing layer and the bottom sealing layer are covered on the leather blank layer and are used as supporting base materials, so that the flatness of the leather is increased, the leather body is full, soft and elastic, and the leather surface is smoother and brighter. Meanwhile, an adhesive layer is added between the leather coatings, delamination is prevented through good permeation, and an elastic coating film with excellent support flexibility is formed through curing at a certain temperature, so that the texture of the leather is improved, and interlayer combination is promoted. The synergistic effect of the double-layer polytetrafluoroethylene copolymer reinforced top coating and polyurethane is adopted, so that the leather has better wear resistance, and the wear resistance can reach the outstanding effect that the leather is rubbed by CS-10 for 500 times under the load of 10N without obvious damage and peeling.
The carbodiimide promotes the crosslinking of the wear-resistant polyurethane in the leather finishing, the 2,4, 6-trimethylbenzoyl-diphenyl phosphine oxide is used as a light absorbent, o-methylbenzoyl chloride and 4-nitrophthalimide are used for improving the absorption effect of the light absorbent, dust organic matters are degraded, a penetrating agent JFC is used for promoting the penetration of the light absorbent in the leather, and the absorption of the light absorbent is improved to the maximum extent due to the penetration of the light absorbent from the surface of the leather to the inside.
(4) In the light-resistant material components, the SD-528 silicone-acrylic emulsion has strong adhesive force, good water resistance and excellent weather resistance, the perfluorooctyl sulfonic acid tetraethylene amine has waterproof and dustproof functions, the nano titanium dioxide can absorb heat on the surface and promote a compact carbon layer to be formed on the surface of a synthetic product of pentaerythritol and epichlorohydrin, and the light-resistant material has excellent specular reflection effect and achieves the effect of further improving the light resistance.
(5) The invention utilizes borax, ammonium molybdate and the like to control the automobile leather to release smoke, and the tetrahydroxy sodium aluminate, itaconic acid, borax and ammonium molybdate carry out complex reaction in diethyl ethylmalonate to promote the binding reaction of borax and ammonium molybdate with the surface of the automobile leather, thereby further improving the wear resistance of the leather.
Detailed Description
The invention is further illustrated by the following examples.
The process steps of the embodiment of the invention are as follows:
(1) and pre-soaking: weighing the raw skin as the base number of the material dosage and the bath lotion ratio in the step (1), applying 0.10% of a bactericide (Badericids 72, Huiying Xingying leather Co., Ltd.), 0.15% of a water immersion aid (Humectan RDL, Huiying Xingying leather Co., Ltd.), 0.4% of soda ash, controlling the bath lotion ratio at 400%, the bath lotion temperature at 20-22 ℃, the bath lotion pH at 8.8-9.2, the baume degree at 8, rotating for 5min every 60min, running for 18h in total, and sequentially removing meat, trimming edges and weighing as the material dosage and the base number of the bath lotion ratio in the steps (2) to (4) on the next day.
Actually measured water filling data: the loose part of the raw hide is filled with 55 percent of water, and the tight part is filled with 25 to 30 percent of water.
(2) Main soaking: applying 0.3% of bactericide (Badericids 72, Cicer sinense leather Co., Ltd.), 0.3% of water immersion auxiliary agent (Humectan RDL, Cicer sinense leather Co., Ltd.), 0.3% of soda ash, controlling the bath liquid ratio at 700%, the bath liquid temperature at 18-20 ℃, the bath liquid pH at 9.8-10.2, the Baume degree at 3-4, mainly immersing in the bath liquid, rotating for auxiliary, rotating for 5min every 60min, and totally 20 h.
Actually measured water filling data: the loose part is filled with water by 80 percent, and the tight part is filled with water by 60 percent.
(3) And (3) grey coating and alkali unhairing: and (3) performing a conventional ash coating alkali unhairing process.
(4) And liming: applying 0.6% liming aid (Dermollanar, shineagon, leather Co., Ltd.), 0.4% sodium hydrosulfide, 1.5% sodium sulfide (added in three batches), 1.4% lime, 90% bath lotion ratio, 24 ℃ bath lotion temperature, 180min rotation time, bath lotion pH11, stopping blowing overnight, removing meat, trimming, weighing as the material usage amount and bath lotion ratio base number of the steps (5) to (9).
(5) Pre-deliming: 0.7 percent of magnesium lactate and 0.2 percent of 2-hydracrylic acid are applied for pre-deliming, the bath liquid ratio is 150 percent, the bath liquid pH is 9.5, the bath liquid temperature is controlled at 25 ℃, and the rotation is carried out for 60 min.
(6) Main deliming: the bath liquid ratio is 100%, the bath temperature is 25 deg.C, and deashing agent A0.7%, pH9.0, is added, and the rotation is carried out for 90 min. The deliming agent A is 4-methyl salicylic acid.
(7) Softening: and (5) carrying out a conventional softening process.
(8) And pickling: the bath liquid ratio is 70%, the bath temperature is 19-20 ℃, the salt is 9%, the rotation is 40min, the baume degree is adjusted to 8-10, 0.8% of sodium formate and 4.2% of sulfuric acid are added, the rotation is 90min, the pH is 2.5, two thirds of the bath liquid is poured out, and the step (9) is carried out.
(9) Tanning: HLS high absorption chrome tanning agent 4.2% (brother chemical limited company), rotate 2h, add baking soda 0.9%, add in three times, interval 20min, add and rotate 6h, found: the pH value is 4.2-4.5.
(10) And (3) aging: and (5) taking out the cowhide from the drum, and aging for 48 h.
(11) Squeezing water and shaving evenly: shaving the thickness to 1.8-2.0 mm, and weighing as the base numbers of the material dosage and bath lotion ratio in the steps (12) to (15).
(12) And (3) rewetting: the bath liquid ratio is 250%, the bath temperature is 35 ℃, 0.2% of formic acid and 0.5% of degreasing agent FA (Clainen chemical Co., Ltd.) are added, the temperature is 40min, the pH is 3.5, and the liquid is discharged after being washed twice for 10min each time.
(13) Retanning: the bath liquid ratio is 200%, the bath liquid temperature is 40 ℃, 2% of tetrakis hydroxymethyl phosphonium sulfate, 3% of retanning type intumescent flame retardant and 2% of special intumescent starch flame retardant for leather are added, the mixture is rotated for 50min, 0.6% of sodium formate is added, the mixture is rotated for 30min, then sodium bicarbonate is added to adjust the pH value to 5.0, the mixture is rotated for 40min, the mixture is washed twice with water at 50 ℃ and discharged after 10min each time.
Wherein, the retanning type intumescent flame retardant is prepared according to the second example of the preparation method of the retanning type intumescent flame retardant in Chinese patent 201010013610.7.
The special intumescent starch flame retardant for leather is prepared according to the third example of the 'preparation method of special intumescent starch flame retardant for leather' in Chinese patent 201010534448.3.
(14) And neutralizing: the bath lotion is 120%, the bath lotion temperature is 35 deg.C, sodium formate is added 0.8%, the bath lotion is rotated for 40min, sodium carbonate is added 0.4% -0.7%, the bath lotion is rotated for 50min, the pH is adjusted to 5.2, the bath lotion is washed twice with water of 55 deg.C, each time is 10min, and the liquid is discharged.
(15) And fat liquoring: the bath liquid is 80 percent, the bath temperature is 40 ℃, the fatting agent SE 11 percent is added (Shanghai leather chemical plant), the operation is carried out for 60min, the flame-retardant phosphorylated fatting agent A3 percent and the flame-retardant phosphorylated fatting agent B4 percent are carried out for 1h, the water is added for 100 percent, the bath temperature is adjusted to 50 ℃, the operation is carried out for 60min, the formic acid is added for 1.5 percent, the operation is carried out for 60min, the bath liquid is washed twice with 65 ℃ water, 10min is carried out each time, and the vacuum drying is carried out under-1.
Wherein, the flame-retardant phosphorylated fatliquor A is prepared according to the second example of the preparation method of the flame-retardant phosphorylated fatliquor in Chinese patent 201210416063.6.
The flame-retardant phosphorylated fatliquor B is prepared according to the first example of the preparation method of flame-retardant phosphorylated fatliquor in Chinese patent 201410430147.4.
(16) Hanging and airing, drying and dampening: carrying out a conventional process;
(17) and coating: and sequentially carrying out base coating, intermediate coating and top coating, wherein the coating adopts roller coating, the roller coating temperature is 102 ℃, the base coating is rolled for three times, the intermediate coating is rolled for two times, and the top coating is rolled for one time. The coatings of each layer were as follows:
(a) and (3) priming coating: the paint comprises the following components in parts by weight: aqueous pigment paste NEOSAN 2000 (clariant chemical limited), 2 parts, 25 parts of water, 4 parts of light-resistant paint, 3 parts of carbon nanotube modified acrylic resin light-resistant paint, 4 parts of light-resistant aqueous polyurethane, 7 parts of flame-retardant paint (prepared in example 3 of 201410324852.6), 0.4 part of Euderm oil KWO-C as cationic oil (cationic, langerhans chemical);
the preparation method of the light-resistant coating comprises the following steps: 50g of SD-528 silicone-acrylate emulsion (Nantong Shengda chemical Co., Ltd.), 1.3g of perfluorooctyl sulfonic acid tetraethylene amine, 0.6g of pentaerythritol, 1.3g of epichlorohydrin, 0.7g of nano titanium dioxide, 3.2g of polyvinyl alcohol and 20g of water are mixed, stirred at a high speed for 2h and reacted at 80 ℃ for 2h to obtain the light-resistant coating.
The carbon nanotube modified acrylic resin light-resistant paint is prepared according to an example one of the methods for preparing a carbon nanotube modified acrylic resin light-resistant paint disclosed in the Chinese patent 201310127206.6.
The light-resistant aqueous polyurethane is prepared according to example two of Chinese patent 201310407835.4 "a method for preparing a light-resistant aqueous polyurethane coating".
The flame-retardant coating material was prepared according to example 3 of "a method for preparing a flame-retardant core-shell type aqueous acrylic resin coating material" of chinese patent 201410324852.6.
(b) And intermediate coating: the paint comprises the following components in parts by weight: 40 parts of water, 60 parts of MATT polyurethane MATT 200 (Wenzhou national Shibang high polymer material Co., Ltd.), 20 parts of glossy polyurethane HPV-C (CyTEG Co., USA), 15 parts of crosslinking agent XL-701 (Starter Co., USA), 12 parts of material B, 12 parts of abrasion-resistant polyurethane, 0.6 part of carbodiimide, 0.7 part of PTFE emulsion (New tetrafluoro Material Co., Ltd.), and 0.8g of smoke-inhibiting material.
The preparation method of the material B comprises the following steps: 0.6g of 2,4, 6-trimethylbenzoyl-diphenylphosphine oxide, 6.2g of acrylic resin, 0.2g of o-methylbenzoyl chloride, 0.4g of penetrant JFC0 (New Wilkinson washing products, Ltd., Shenzhen) and 0.1g of 4-nitrophthaldiamine are mixed and stirred uniformly to obtain a material B. Wherein the acrylic resin is prepared according to the example I of the preparation method of the light-resistant acrylic resin coating in Chinese patent 201410159426.1.
The preparation method of the wear-resistant polyurethane comprises the following steps: adding 38g of polycarbonate diol with molecular weight of 2000, 11.6g of 4, 4-diphenylmethane diisocyanate and 0.11g of dibutyltin dilaurate into a 250ml four-neck flask provided with a stirring paddle, a thermometer and a condenser, reacting for 1h at 70 ℃ to obtain a polyurethane prepolymer, adding 3.1g of hydrophilic chain extender dimethylolpropionic acid and 7.1g of acetone solvent into the polyurethane prepolymer, and reacting for 1h at 80 ℃; then 2.0g of triethylamine is used for neutralization, and finally 120g of water is added for emulsification for 20min to obtain the abrasion-resistant polyurethane.
The preparation method of the smoke inhibiting material comprises the following steps: mixing 0.6g of borax, 1.2g of ammonium molybdate, 0.4g of polyethylene glycol and 50g of water at 70 ℃ and stirring for 2h, heating to 80 ℃, adding 0.4g of sodium tetrahydroxy aluminate, 1.4g of itaconic acid and 0.7g of diethyl ethylmalonate, and stirring and reacting for 2h under the condition of controlling the pH value to be 5.0 to obtain the smoke inhibiting material.
(c) And top coating: the paint comprises the following components in parts by weight: 14 parts of water, 2229W (Shandong Chuan commercial Co., Ltd.), 6 parts of hand feeling agent and 0.2 part of Euderm oil KWO-C (cation, Langsheng chemical) as a cation oil.
The chemical materials of unspecified factories related to the embodiment of the invention can be replaced by the similar products of the shinning-xing leather company Limited.
The flame-retardant, yellowing-resistant and low-fogging cow leather automobile cushion leather prepared according to the embodiment of the invention and the existing similar automobile cushion leather are respectively detected, and the detection data are as shown in the following table.
TABLE 1 antifouling, ultra-low total carbon emission, abrasion-resistant Kraft automotive seat cushion leather Performance
From the above table, the technical indexes of the prepared cow leather for the automobile seat cushion are superior to those of the existing similar automobile seat cushion leather in the aspects of flame retardance, atomization, light resistance and the like, and meanwhile, the antifouling performance of the cow leather for the automobile seat cushion is superior to that of a comparison document (201510694401.6) as shown by tests of lipstick, a color pen and the like in antifouling.
TABLE 2 Properties of the materials without addition of parts
As can be seen from Table 2, the performance of the material without adding the above-mentioned part is reduced, and the data test is carried out without adding a certain material and adding other materials.
Claims (8)
1. Antifouling, ultralow total carbon distributes, wear-resisting loss cow hide car cushion leather manufacturing process, including the deliming process, retanning process, neutralization process, fatliquoring process and coating process, its characterized in that: the coating process comprises the following steps of sequentially performing base coating, intermediate coating and top coating, wherein the coating is roll coating, the roll coating temperature is 101-105 ℃, the base coating is rolled for three times, the intermediate coating is rolled for two times, and the top coating is rolled for one time, and each layer of coating comprises the following components:
(a) the base coating comprises the following components in parts by weight: 0.5-2 parts of water-based pigment paste, 25 parts of water, 2-4 parts of light-resistant coating, 1-3 parts of light-resistant acrylate resin coating, 2-4 parts of light-resistant waterborne polyurethane, 2-7 parts of flame-retardant coating and 0.3-0.5 part of cationic oil;
the preparation method of the light-resistant coating comprises the following steps: mixing 50g of silicone-acrylic emulsion, 1-1.3 g of perfluorooctyl sulfonic acid tetraethylene amine, 0.2-0.6 g of pentaerythritol, 0.5-1.3 g of epoxy chloropropane, 0.2-0.7 g of nano titanium dioxide, 1.2-3.2 g of polyvinyl alcohol and 15-25 g of water, stirring at a high speed for 1-3 h, and reacting at 60-80 ℃ for 1-3 h to obtain the light-resistant coating;
(b) the middle coating comprises the following components in parts by weight: 40 parts of water, 20-60 parts of extinction polyurethane, 5-20 parts of bright polyurethane, 4-15 parts of a cross-linking agent, 6-12 parts of a material B, 6-12 parts of wear-resistant polyurethane, 0.3-0.6 part of carbodiimide, 0.2-0.7 part of PTFE emulsion and 0.4-0.8 part of a smoke inhibiting material;
the preparation method of the material B comprises the following steps: uniformly mixing and stirring 0.6g of 2,4, 6-trimethylbenzoyl-diphenylphosphine oxide, 3.4-6.2 g of acrylic resin, 0.15-0.30 g of o-methylbenzoyl chloride, 0.2-0.4 g of penetrating agent and 0.1-0.2 g of 4-nitro-o-phenylenediamine to obtain a material B;
the preparation method of the wear-resistant polyurethane comprises the following steps: adding 38g of polycarbonate diol with molecular weight of 2000, 9.6-11.6 g of 4, 4-diphenylmethane diisocyanate and 0.10-0.15 g of dibutyltin dilaurate into a reaction container, stirring and reacting at 70-80 ℃ for 1-3 h to obtain a polyurethane prepolymer, adding 0.6-3.1 g of hydrophilic chain extender dimethylolpropionic acid and 6.5-7.5 g of acetone solvent into the polyurethane prepolymer, and stirring and reacting at 60-80 ℃ for 0.5-1 h; adding 2.0-3.0 g of triethylamine and 100-120 g of water for emulsification for 20-40 min to obtain abrasion-resistant polyurethane;
the preparation method of the smoke inhibiting material comprises the following steps: mixing and stirring 0.2-0.6 g of borax, 0.8-1.2 g of ammonium molybdate, 0.1-0.4 g of polyethylene glycol and 50g of water at 50-70 ℃ for 1-2 h, heating to 80 ℃, adding 0.1-0.4 g of sodium tetrahydroxyaluminate, 1.2-1.6 g of itaconic acid and 0.2-0.7 g of diethyl ethylmalonate, and stirring and reacting for 1-2 h under the condition of controlling the pH value to be 5.0 to obtain the smoke inhibiting material;
(c) the top coating comprises the following components in parts by weight: 14 parts of water, 5-7 parts of a hand feeling agent and 0.2-0.3 part of cationic oil.
2. The process of making an antifouling, ultra low total carbon emission, abrasion resistant kraft automotive seat cushion leather according to claim 1, wherein: the light-resistant acrylic resin coating is a carbon nano tube modified acrylic resin light-resistant coating.
3. The process for manufacturing the antifouling, ultra-low total carbon emission, abrasion resistant cowhide car seat cushion leather according to claim 1, wherein the deliming procedure comprises a pre-deliming procedure and a main deliming procedure; pre-deliming: taking the weight of the ash-soaked bare skin after trimming as a weight base, applying 0.2-0.7% of magnesium lactate and 0.2% of 2-hydroxypropionic acid for pre-deliming, wherein the bath liquid ratio is 100-150%, the bath liquid pH is 9.5, the bath liquid temperature is controlled at 18-25 ℃, and the rotation is carried out for 60-90 min; the main deliming procedure comprises the following steps: the bath liquid ratio is 100-150%, the bath liquid temperature is 18-25 ℃, 4-methyl salicylic acid is added in 0.2-0.7%, the pH value is 9.0, and the rotation is carried out for 60-90 min.
4. The process of making stain repellent, ultra low total carbon emission, abrasion resistant kraft automotive seat cushion leather according to claim 1, wherein the retanning step: the bath liquid ratio is 100-200%, the bath liquid temperature is 40 ℃, 2-5% of tetrakis hydroxymethyl phosphonium sulfate, 1-3% of retanning type intumescent flame retardant and 2% of intumescent starch flame retardant special for leather are added, the mixture is rotated for 30-50 min, 0.2-0.6% of sodium formate is added, the mixture is rotated for 30min, then sodium bicarbonate is added to adjust the pH value to 5.0, the mixture is rotated for 40min, the mixture is washed twice with water at 50 ℃ for 10min each time, and liquid is discharged.
5. The process of making antifouling, ultra-low total carbon emission, abrasion resistant kraft automotive seat cushion leather according to claim 4, wherein the retanning intumescent flame retardant is prepared as follows: (1) firstly, adding benzoyl peroxide with the mass of 7 percent of that of dimethyl phosphite into dimethyl phosphite at 70 ℃, adding acrylamide, acrylonitrile and maleic anhydride after the benzoyl peroxide is completely dissolved, and reacting for 2 hours at 80 ℃ to obtain colorless transparent liquid A;
(2) secondly, regulating the pH value of the colorless transparent liquid A to 7 by using sodium hydroxide with the mass percent concentration of 12%, dropwise adding glyoxal, and reacting for 1h at 50 ℃ to obtain light yellow liquid B;
(3) finally, adding melamine into the light yellow liquid B, adjusting the pH value to 5, and reacting at 80 ℃ for 30min to obtain a brownish red liquid retanning type intumescent flame retardant; wherein, the mol ratio of dimethyl phosphite to (acrylamide, acrylonitrile and maleic anhydride) to glyoxal and melamine is 1: 1.1: 0.8: 0.2, and the mol ratio of acrylamide to acrylonitrile to maleic anhydride is 1: 0.5: 1.2.
6. The manufacturing process of the antifouling, ultralow-total-carbon-emission and wear-resistant cowhide automobile cushion leather as claimed in claim 4, wherein the special leather intumescent starch flame retardant is prepared by the following method: (1) adding starch treated by a standard sieve of more than 60 meshes into a system using water as a dispersion medium, stirring and pasting for 40min at 80 ℃, adding a sodium dodecyl benzene sulfonate emulsifier, wherein the using amount of the sodium dodecyl benzene sulfonate emulsifier is 2.5% of the mass of the starch, emulsifying for 20min, adjusting the reaction temperature to be 85 ℃, adding an ammonium persulfate initiator accounting for 3% of the mass of the starch, initiating the starch to react for 40min, and then adding styrene and acrylamide into the starch system in a dropwise manner, wherein the molar ratio of the styrene to the acrylamide to the starch is 1: 1.5, and the starch is calculated by a glucose unit and reacts for 4h to obtain a product A;
(2) adding phosphorus pentoxide into the product A, wherein the molar ratio of the phosphorus pentoxide to the starch is 1.5: 1, reacting for 3 hours, and cooling to obtain a product B, namely the special intumescent starch flame retardant for leather; the amount of starch is in terms of glucose units.
7. The process of making an antifouling, ultra low total carbon emission, abrasion resistant kraft automotive cushion leather according to claim 1, wherein the neutralization step: taking the weight of the shaved skin after trimming as the weight base, the bath lotion ratio is 120%, the bath lotion temperature is 34-36 ℃, sodium formate is added for 0.8-1.0%, the operation is carried out for 30-50 min, sodium carbonate is added for 0.4-0.7%, the operation is carried out for 40-60 min again, water washing is carried out twice by using water at 55-60 ℃, and liquid discharging is carried out.
8. The process for manufacturing the antifouling, ultralow-total-carbon-emission and abrasion-resistant cowhide automobile seat cushion leather according to claim 1, wherein the greasing procedure comprises the following steps: taking the weight of the shaved skin after trimming as the weight base, 80% of bath lotion, 38-42 ℃ of bath lotion, 5-11% of fatting agent SE, 30-60 min of rotation, 1-3% of flame-retardant phosphorylated fatting agent A and 2-4% of flame-retardant phosphorylated fatting agent B, 60-90 min of rotation, 100% of water addition, adjustment of bath lotion temperature to 48-52 ℃, 60-90 min of rotation, 1.5-2.0% of formic acid, 60-90 min of rotation, washing twice with 62-65 ℃ water, and discharging liquid.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910405405.6A CN110055358B (en) | 2019-05-16 | 2019-05-16 | Manufacturing process of antifouling, ultralow-total-carbon-emission and wear-resistant cowhide automobile cushion leather |
| CN202110179153.7A CN112746138B (en) | 2019-05-16 | 2019-05-16 | Antifouling ultralow-total-carbon-emission wear-resistant smoke-inhibiting material for cowhide automobile cushion leather |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910405405.6A CN110055358B (en) | 2019-05-16 | 2019-05-16 | Manufacturing process of antifouling, ultralow-total-carbon-emission and wear-resistant cowhide automobile cushion leather |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110179153.7A Division CN112746138B (en) | 2019-05-16 | 2019-05-16 | Antifouling ultralow-total-carbon-emission wear-resistant smoke-inhibiting material for cowhide automobile cushion leather |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110055358A CN110055358A (en) | 2019-07-26 |
| CN110055358B true CN110055358B (en) | 2021-03-12 |
Family
ID=67323316
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910405405.6A Active CN110055358B (en) | 2019-05-16 | 2019-05-16 | Manufacturing process of antifouling, ultralow-total-carbon-emission and wear-resistant cowhide automobile cushion leather |
| CN202110179153.7A Active CN112746138B (en) | 2019-05-16 | 2019-05-16 | Antifouling ultralow-total-carbon-emission wear-resistant smoke-inhibiting material for cowhide automobile cushion leather |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110179153.7A Active CN112746138B (en) | 2019-05-16 | 2019-05-16 | Antifouling ultralow-total-carbon-emission wear-resistant smoke-inhibiting material for cowhide automobile cushion leather |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN110055358B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113025063B (en) * | 2019-09-11 | 2022-03-04 | 烟台大学 | Method for manufacturing particle board by using chromium-containing leather scraps and organic matters required by particle board |
| CN114317842B (en) * | 2020-12-31 | 2023-09-08 | 江苏科美新材料有限公司 | Manufacturing process of flame-retardant anti-sticking low-VOC automobile cushion leather |
| CN112646475B (en) * | 2020-12-31 | 2021-10-15 | 烟台大学 | Preparation and application methods of flame-retardant wear-resistant low-VOC (volatile organic compound) polyurethane coating |
| CN114134257A (en) * | 2021-11-10 | 2022-03-04 | 中牛集团有限公司 | Production method of high-grade antibacterial cow leather silica gel leather |
| CN114574082A (en) * | 2022-01-26 | 2022-06-03 | 浙江富邦汽车内饰科技有限公司 | Conductive leather for automobile interior decoration and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105154596A (en) * | 2015-10-26 | 2015-12-16 | 烟台大学 | Manufacturing technology for flame-retardant, anti-yellowing and low-fogging cowhide car seat cushion leather |
| CN105154597A (en) * | 2015-10-26 | 2015-12-16 | 烟台大学 | Manufacturing technology for flame-retardant, light-resistant, low-fogging and degradable cowhide car seat cushion leather |
| CN107312895A (en) * | 2017-08-04 | 2017-11-03 | 海宁森德皮革有限公司 | A kind of production method of negative oxygen ion multi-purpose vehicle(MPV) interior trim leather |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101328383A (en) * | 2008-07-17 | 2008-12-24 | 安徽大学 | Production method for liner gloves aqueous polyurethane coating connection material |
| CN103998422B (en) * | 2013-09-02 | 2016-11-30 | 北京英力科技发展有限公司 | Cyclopentanedione oxime ester and application thereof |
-
2019
- 2019-05-16 CN CN201910405405.6A patent/CN110055358B/en active Active
- 2019-05-16 CN CN202110179153.7A patent/CN112746138B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105154596A (en) * | 2015-10-26 | 2015-12-16 | 烟台大学 | Manufacturing technology for flame-retardant, anti-yellowing and low-fogging cowhide car seat cushion leather |
| CN105154597A (en) * | 2015-10-26 | 2015-12-16 | 烟台大学 | Manufacturing technology for flame-retardant, light-resistant, low-fogging and degradable cowhide car seat cushion leather |
| CN107312895A (en) * | 2017-08-04 | 2017-11-03 | 海宁森德皮革有限公司 | A kind of production method of negative oxygen ion multi-purpose vehicle(MPV) interior trim leather |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112746138B (en) | 2022-01-21 |
| CN112746138A (en) | 2021-05-04 |
| CN110055358A (en) | 2019-07-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110055358B (en) | Manufacturing process of antifouling, ultralow-total-carbon-emission and wear-resistant cowhide automobile cushion leather | |
| CN107312895B (en) | Production method of multifunctional negative oxygen ion automobile interior leather | |
| CN102027139B (en) | Topcoat | |
| CN110628968B (en) | Processing technology of chrome-free tanning of sheep leather, sheep white wet leather and sheep leather | |
| CN102199675A (en) | Clean process for producing leather by using sturgeon skin | |
| CN103589812A (en) | Preparation method of soft leather dyed by wax | |
| CN111321260B (en) | Environment-friendly chromium-free retanning method for leather | |
| CN114921597B (en) | Production method of wear-resistant scratch-resistant chromium-free tanning sofa leather | |
| CN108950100B (en) | Production process of original thick environment-friendly shrunk-pattern cattle leather | |
| AU2020103986A4 (en) | A manufacturing process for automobile cushion of anti-fouling, ultra-low total carbon emission and wear-resistant leather | |
| CN106167840A (en) | A kind of production technology prepared without chrome tanning double-layer leather | |
| JP7262842B2 (en) | Flame-retardant, abrasion-resistant, adhesive-resistant, low-VOC car seat leather manufacturing process | |
| CN108315508B (en) | Production method of refreshing and fragrant low-emission low-fogging automobile interior leather | |
| CN105316437A (en) | Production process of environment-friendly cattle hide mattress | |
| CN1333085C (en) | Production method of leather in which hexavalent chromium content reaches the standard | |
| CN106319104A (en) | Production technology of high-absorbability chrome tanned leather | |
| CN109137573B (en) | Method for making sandwich style leather | |
| CN113462824B (en) | Method for improving performance of organic chrome-free tanned leather | |
| CN105154596B (en) | Manufacturing technology for flame-retardant, anti-yellowing and low-fogging cowhide car seat cushion leather | |
| US20100154128A1 (en) | Method for producing leather | |
| US5417723A (en) | Use of ester urethanes for retanning | |
| CN105154597A (en) | Manufacturing technology for flame-retardant, light-resistant, low-fogging and degradable cowhide car seat cushion leather | |
| CN116121469B (en) | Environment-friendly water-washing-resistant two-layer anti-napping skin manufacturing process for cattle | |
| US20140057116A1 (en) | Coated fibrous based substrates | |
| CN110042178A (en) | A kind of process hides processing water saving art |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Manufacturing technology of antifouling, ultra-low total carbon emission and wear-resistant cow leather automobile cushion leather Effective date of registration: 20211210 Granted publication date: 20210312 Pledgee: Yantai financing guarantee Group Co.,Ltd. Pledgor: Yantai University Registration number: Y2021980014599 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220317 Granted publication date: 20210312 Pledgee: Yantai financing guarantee Group Co.,Ltd. Pledgor: Yantai University Registration number: Y2021980014599 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| CB03 | Change of inventor or designer information |
Inventor after: Duan Baorong Inventor after: Chou Tongji Inventor after: Wang Qiyan Inventor after: Zhang Kai Inventor after: Yu Han Inventor after: Wang Xue Inventor after: Feng Lianxiang Inventor after: Zhang Mingfa Inventor after: Tang Zhihai Inventor after: Zhu Miaofeng Inventor after: Wang Quanjie Inventor after: Zhao Jia Inventor after: Weng Yonggen Inventor before: Duan Baorong Inventor before: Wang Quanjie Inventor before: Zhang Mingfa Inventor before: Tang Zhihai Inventor before: Zhu Miaofeng Inventor before: Zhao Jia Inventor before: Chou Tongji Inventor before: Wang Qiyan Inventor before: Zhang Kai |
|
| CB03 | Change of inventor or designer information | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220825 Address after: 264003 No. 30 Qingquan Road, Laishan District, Yantai City, Shandong Province Patentee after: Yantai University Patentee after: HAINING SENDE LEATHER Co.,Ltd. Patentee after: QIHE LEAHOU CHEMICAL INDUSTRY Co.,Ltd. Address before: 264003 No. 30 Qingquan Road, Laishan District, Yantai City, Shandong Province Patentee before: Yantai University |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231108 Address after: 264003 No. 30 Qingquan Road, Laishan District, Yantai City, Shandong Province Patentee after: Yantai University Address before: 264003 No. 30 Qingquan Road, Laishan District, Yantai City, Shandong Province Patentee before: Yantai University Patentee before: HAINING SENDE LEATHER Co.,Ltd. Patentee before: QIHE LEAHOU CHEMICAL INDUSTRY Co.,Ltd. |
|
| TR01 | Transfer of patent right |