Self-drying type water-solubility alkyd resin and preparation method thereof
An alkyd resin, water-soluble technology, used in coatings, polyester coatings, etc., can solve the problems of low paint film hardness, poor water resistance, slow drying speed, etc., achieve good gloss, improve paint film hardness and water resistance, The effect of plump paint film
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[0020] Example: A self-drying water-soluble alkyd resin containing:
[0021] 22%-28% (weight) of linseed oil fatty acid;
[0022] 12%-15% (weight) of trimethylolpropane;
[0023] 4%-9% (weight) neopentyl glycol;
[0024] 19%-22% (weight) of isophthalic acid;
[0025] 0.5% to 2% (weight) of maleic anhydride;
[0026] 4%-9% (weight) trimellitic anhydride;
[0027] 4%~8% (weight) of triethylamine;
[0028] 13%-18% (weight) of co-solvent;
[0029] 2%~4% (weight) of drier;
[0030] 0.05% to 0.15% (weight) leveling agent.
[0031] The aforementioned cosolvent is a composite cosolvent composed of ethylene glycol monobutyl ether and sec-butanol in a ratio of 1:2, and the preferred ratio of cosolvent to purified water is 2:8 (weight).
[0032] The preparation method of this self-drying water-soluble alkyd resin is:
[0033] a) 370 grams of linseed oil fatty acid, 200 grams of trimethylolpropane, 120 grams of neopentyl glycol, and 300 grams of isophthalic acid are heated and stirred with in...
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