JPH0730284B
PURPOSE:To obtain a baking paint compsn. which can be dried at room temp. and can be cured in a short time by heating, consisting mainly of a solvent, a specified high-molecular resin and a specified compd. capable of being converted into an active isocyanate compd. CONSTITUTION:A paint compsn. cons...
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Zusammenfassung: | PURPOSE:To obtain a baking paint compsn. which can be dried at room temp. and can be cured in a short time by heating, consisting mainly of a solvent, a specified high-molecular resin and a specified compd. capable of being converted into an active isocyanate compd. CONSTITUTION:A paint compsn. consists mainly of a solvent (A), a high- molecular resin (B) having primary hydroxyl groups and/or secondary hydroxyl groups, a weight-average MW of 10,000-200,000 and a glass transition temp. of not lower than room temp. which is dissolved or dispersed in said solvent, and a blocked isocyanate compd. (C) which is dissolved or dispersed in said solvent, can be dissociated by heat to form an active isocyanate compd. and is used in such an amount as to give a ratio (NCO/OH) of the isocyanate group of the active isocyanate compd. to the hydroxyl group of the resin of 0.05-1.0. Examples of the resin are epoxy resins, acrylic resins, cellulose acetate butyrate, etc. |
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