Mink fur fatliquor and preparation method thereof
A technology of fatliquoring agent and mink fur, which is applied in the field of mink fur fatliquoring agent and its preparation, and can solve the problems that mink fur cannot be separated, skin board thickness is not enough, and product quality is affected
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Embodiment 1
[0032] Mink fur fatliquoring agent, comprises the raw material of following weight portion: 6 parts of polyurethane solutions, 12 parts of polyacrylic acid solutions, 6 parts of sulfited oils, 8 parts of sulfonated castor oils, 22 parts of fatty alcohol polyoxyethylene ethers and 49 parts Parts of water.
[0033] Among them, the polyurethane solution is a water-based polyurethane resin with a solid content of more than 80% and a number-average relative molecular weight of 10,000. The water-based polyurethane resin is made of isophorone diisocyanate, polyethylene glycol, and trimethylolpropane. prepared.
[0034] The polyacrylic acid solution is a polyacrylic resin with a solid content of more than 80% and a number-average relative molecular weight of 10,000. The polyacrylic resin is prepared from acrylic acid, methyl methacrylate and butyl acrylate.
[0035] The solid content of the sulfited oil used was 73%; the solid content of the sulfonated castor oil used was 84%.
[00...
Embodiment 2
[0042] Mink fur fatliquor, comprising the following raw materials in parts by weight: 10 parts of polyurethane solutions, 15 parts of polyacrylic acid solutions, 10 parts of sulfited oil, 9 parts of sulfonated castor oil, 25 parts of polyoxyethylene ether surfactants and 60 parts water.
[0043] Among them, the polyurethane solution is a water-based polyurethane resin with a solid content of more than 80% and a number-average relative molecular weight of 10,000. The water-based polyurethane resin is made of isophorone diisocyanate, polyethylene glycol, and trimethylolpropane. prepared.
[0044] The polyacrylic acid solution is a polyacrylic resin with a solid content of more than 80% and a number-average relative molecular weight of 10,000. The polyacrylic resin is prepared from acrylic acid, methyl methacrylate and butyl acrylate.
[0045] The solid content of the sulfited oil used was 88%; the solid content of the sulfonated castor oil used was 92%.
[0046] The polyoxyeth...
Embodiment 3
[0053] The preparation method of mink fur fatliquoring agent, raw material is counted by weight fraction, comprises the following steps:
[0054] 1) Put 10 parts of sulfited oil, 9 parts of sulfonated castor oil and 25 parts of polyoxyethylene ether surfactant into the reactor, and stir at 55°C for 3 hours to obtain the first mixed solution;
[0055] 2) Add 10 parts of polyurethane solution and 15 parts of polyacrylic acid solution into the first mixed solution, and stir at 70°C for 4 hours to obtain the second mixed solution;
[0056] Among them, the polyurethane solution is a water-based polyurethane resin with a solid content of more than 80% and a number-average relative molecular weight of 10,000. The water-based polyurethane resin is made of isophorone diisocyanate, polyethylene glycol, and trimethylolpropane. prepared.
[0057] The polyacrylic acid solution is a polyacrylic resin with a solid content of more than 80% and a number-average relative molecular weight of 10...
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Abstract
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