Waterborne environment-friendly paint and preparation method thereof
A water-based, environmentally friendly technology, applied in coatings and other directions, can solve the problems of general mechanical properties, soft paint layer strength, toughness, wear resistance and weak acid resistance, etc., to achieve good dispersion, reduced VOC volatilization, and excellent toughness Effect
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Embodiment 1
[0034] A water-based environmental protection paint with good performance and a preparation method thereof are prepared from the following raw materials in parts by weight:
[0035] 60 parts of polyurethane modified acrylic latex;
[0036] 20 parts of alkylated modified fumed white carbon black;
[0037] 5 parts of aminopropylamine dioleate;
[0038] 5 parts of polyvinylpyrrolidone;
[0039] 3 parts of polyvinyl butyral;
[0040] 3 parts of diacetone alcohol;
[0041] 1 part of simethicone;
[0042] 1 part of tributyl phosphate;
[0043] 20 parts of water.
[0044] The preparation method of above-mentioned water-based environmental protection paint comprises the following steps:
[0045] (1) Preparation of acrylic acid-terminated polyurethane:
[0046] Add 2.4kg of N-methylpyrrolidone, 0.96kg of isophorone diisocyanate and 0.8kg of polycaprolactone diol to the reaction kettle in turn, stir evenly, add 4.2g of dibutyltin dilaurate catalyst, and react at 60°C After 1 ho...
Embodiment 2
[0053] A water-based environmental protection paint with good performance and a preparation method thereof are prepared from the following raw materials in parts by weight:
[0054] 70 parts of polyurethane modified acrylic latex;
[0055] 25 parts of alkylated modified fumed white carbon black;
[0056] 6 parts of aminopropylamine dioleate;
[0057] 6 parts of polyvinylpyrrolidone dispersant;
[0058] 4 parts of polyvinyl butyral;
[0059] 4 parts of diacetone alcohol leveling agent;
[0060] 2 parts of simethicone;
[0061] 2 parts of tributyl phosphate;
[0062] 26 parts of water.
[0063] The preparation method of above-mentioned water-based environmental protection paint comprises the following steps:
[0064] (1) Preparation of acrylic acid-terminated polyurethane:
[0065] Add 2.4kg of N-methylpyrrolidone, 1.0kg of isophorone diisocyanate and 0.8kg of polycaprolactone diol to the reaction kettle in turn, stir evenly, add 8.4g of dibutyltin dilaurate catalyst, and ...
Embodiment 3
[0073] A water-based environmental protection paint with good performance and a preparation method thereof are prepared from the following raw materials in parts by weight:
[0074] 80 parts of polyurethane modified acrylic latex;
[0075] Alkylation modified fumed silica 30 parts;
[0076] 10 parts of aminopropylamine dioleate;
[0077] 10 parts of polyvinylpyrrolidone dispersant;
[0078] 5 parts of polyvinyl butyral;
[0079] 5 parts of diacetone alcohol leveling agent;
[0080] 3 parts of simethicone;
[0081] 3 parts of tributyl phosphate;
[0082] 20~30 parts of water.
[0083] The preparation method of above-mentioned water-based environmental protection paint comprises the following steps:
[0084] (1) Preparation of acrylic acid-terminated polyurethane:
[0085] Add 2.4kg N-methylpyrrolidone, 1.04kg isophorone diisocyanate and 0.8kg polycaprolactone glycol successively in reactor, add the dibutyltin dilaurate catalyst of 21.2g 0.5% after stirring, 70 After re...
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