Polyurethane modified acrylate pigment printing adhesive for polyester oxford fabric and preparation method thereof
A polyurethane modification, acrylate technology, used in dyeing, textiles and papermaking, etc., can solve problems such as poor abrasion resistance
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Embodiment 1
[0027] (1) Preparation of water-based polyurethane (PUDS) composite emulsifier
[0028] Add 25 parts of polyester polyol with a molecular weight of 2000, 50 parts of polytetrahydrofuran ether diol, and 5 parts of polycaprolactone polyol into the first reaction kettle, raise the temperature to 75°C, and add 10 parts of hexamethylene diisocyanate (HDI) 45 parts of isophorone diisocyanate (IPDI) for 2.5 hours, then add 5 parts of 2,2-dimethylolpropionic acid (DMPA) and react for 2 hours, cool down to 65°C, add hydroxyethyl methacrylate ( React 15 parts of HEMA) for 2 hours, cool down to room temperature, add 5 parts of triethylamine (TEA) for neutralization, then add 100 parts of deionized water for high-speed dispersion and homogeneity, then add 3 parts of ethylenediamine for chain extension, and stir for 0.5 hours , to obtain water-based polyurethane compound emulsifier;
[0029] (2) Preparation of silicone prepolymer
[0030]Put 82.5 parts of the composite emulsifier obtaine...
Embodiment 2
[0036] (1) Preparation of water-based polyurethane (PUDS) composite emulsifier
[0037] Add 30 parts of polyester polyol with a molecular weight of 2000, 40 parts of polytetrahydrofuran ether diol, and 7 parts of polycaprolactone polyol into the first reaction kettle, raise the temperature to 80°C, and add 15 parts of hexamethylene diisocyanate (HDI) Parts, 50 parts of isophorone diisocyanate (IPDI) reacted for 2 hours, then added 10 parts of 2,2-dimethylolpropionic acid (DMPA) and reacted for 1.5 hours, cooled to 75 ° C, added hydroxyethyl methacrylate (HEMA) 20 parts reacted for 2 hours, cooled to room temperature, added 7 parts of triethylamine (TEA) for neutralization, then added 110 parts of deionized water for high-speed dispersion and homogeneity, then added 2 parts of ethylenediamine for chain extension, and stirred for 1 Hours, get aqueous polyurethane compound emulsifier;
[0038] (2) Preparation of silicone prepolymer
[0039] Put 82.5 parts of the composite emuls...
Embodiment 3
[0045] (1) Preparation of water-based polyurethane (PUDS) composite emulsifier
[0046] Add 20 parts of polyester polyol with a molecular weight of 2000, 45 parts of polytetrahydrofuran ether diol, and 10 parts of polycaprolactone polyol into the first reaction kettle, raise the temperature to 75°C, and add hexamethylene diisocyanate (HDI) 5 Parts, 50 parts of isophorone diisocyanate (IPDI) reacted for 2 hours, then added 10 parts of 2,2-dimethylolpropionic acid (DMPA) and reacted for 2 hours, cooled to 65 ° C, added hydroxyethyl methacrylate ( HEMA) 30 parts reacted for 2 hours, cooled to room temperature, added 3 parts of triethylamine (TEA) for neutralization, then added 120 parts of deionized water for high-speed dispersion and homogeneity, then added 3 parts of ethylenediamine for chain extension, and stirred for 0.5 hours , to obtain water-based polyurethane compound emulsifier;
[0047] (2) Preparation of silicone prepolymer
[0048] Put 82.5 parts of the composite em...
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