Silane tanning dyeing retanning silica gel tabby filling tanning method
A technology of silane tanning leather and silica gel is applied in the field of silane tanning leather "one-pot cooking", water saving, emission reduction, dyeing and retanning, silicone plain weave filling and tanning. Effects of time, fine grain, and short embryonic time
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Embodiment 1
[0022] "One-pot cooking" retanning process for making plain shatter-resistant shoe upper leather from normal smooth blue wet leather
[0023] Including silane softening, non-chrome retanning, filling, fatliquoring and penetrating dyeing, silane chrome retanning, filling and fatliquoring, high temperature surface dyeing and fixed mildew prevention. The specific steps include:
[0024] (1) Silane softening, non-chrome retanning, filling, fatliquoring and trans-dyeing: Weigh 100 parts of wet blue hide in the drum according to the weight of wet blue hide, and add 80 parts of normal temperature water, 15 parts of KT1717, 5 parts of KT3005, 5 parts of KT3007 10 parts of KT2031, 10 parts of KT2034, 3 parts of KT2351, turn for 10 minutes, add KT2640 silicon alkali to adjust the pH value to 9-11, turn for 4 hours; add 2 parts of black dye, 4 parts of melamine, 4 parts of dicyandiamide , 2 parts of protein filler, 2 parts of white tannin, the pH range will automatically drop to 7.0-8.0 ...
Embodiment 2
[0036] "One-pot cooking" retanning process of plain grain shatter-resistant shoe upper leather made of loose surface and smooth blue wet leather
[0037] A method for dyeing and retanning silane tanned leather, comprising silane softening, non-chrome retanning, filling, fatliquoring and penetrating dyeing, silane chrome retanning, filling and fatliquoring, high-temperature surface dyeing, and fixing mildew prevention. The specific steps include:
[0038] (1) Silane softening, non-chrome retanning, filling, fatliquoring and trans-dyeing: Weigh 100 parts of wet pine blue hides in the drum according to the weight of wet pine blue hides, and add 80 parts of normal temperature water, 25 parts of KT1717, 8 parts of KT3005 8 parts of KT3007, 15 parts of KT2031, 5 parts of KT20345, 5 parts of KT2351, turn for 10 minutes, add KT2640 silicon alkali to adjust the pH value to 9-11, turn for 4 hours; 4 parts of amine, 2 parts of protein filler, 2 parts of white tannin, 2 parts of tannin ex...
Embodiment 3
[0042] The "one-pot cooking" retanning process of plain grain and drop-resistant shoe uppers made of smooth loose leather embryos in stock
[0043] A method for dyeing and retanning silane tanned leather, comprising silane softening, non-chrome retanning, filling, fatliquoring and penetrating dyeing, silane chrome retanning, filling and fatliquoring, high-temperature surface dyeing, and fixing mildew prevention. The specific steps include:
[0044] (1) Silane softening, non-chrome retanning, filling, fatliquoring and trans-dyeing: Weigh 100 parts of loose-faced dry skin in the drum according to the weight of loose-faced dry skin, and add 80 parts of normal temperature water, 20 parts of KT1717, 3 parts of KT3005 3 parts of KT3007, 5 parts of KT2031, 5 parts of KT2034, 3 parts of KT2351, turn for 10 minutes, add KT2640 silicon alkali to adjust the pH value to 9-11, turn for 4 hours; add 2 parts of heart black dye, 4 parts of melamine, double 4 parts of cyanamide, 2 parts of pro...
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