Blocked isocyanate group-containing resin composition and thermosetting composition containing the same
AssigneeKansai Paint Co., Ltd.
InventorsMasami Kobata, Hiromi Harakawa, Hidekazu Ishii
Life of this patent
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Abstract
A blocked isocyanate group-containing resin composition and a thermosetting resin composition using the same that comprise a resin (C) obtainable by modifying a resin (A) having two or more blocked isocyanate groups of a specific molecular structure in one molecule with a specific monohydric alcohol (B), and by replacing the substituent of the blocked isocyanate groups with a group having a larger number of carbon atoms, thereby lowering solubility parameter value. The compositions exhbit good storage stability and good compatibility with base resins for paint.
Claims14
A blocked isocyanate group-containing resin composition, comprising a resin (C) obtainable by modifying a resin (A) having, in one molecule, two or more blocked isocyanate groups represented by formula (I) or (II):
- 2
- (wherein R1, R2, R3, and R4, which are same or different, each represents a substituent having 1 to 10 carbon atoms) with a monohydric alcohol (B) represented by formula (III):
- R5OH (III)
- (wherein R5 represents a substituent having 3 to 8 carbon atoms), replacing at least one of the R1, R2, and R3 with the R5;
- wherein the resin (C) has a lowered solubility parameter as compared with the resin (A).
Dependencies are inferred from the claim text.