| 摘要 |
PROBLEM TO BE SOLVED: To obtain a water-based coating composition which forms a coating film having excellent hot water resistance, alkali resistance, weather resistance, stain resistance, etc. SOLUTION: The water-based coating composition comprises (I) an aqueous resin containing a hydrolyzable silyl group or the silyl group and a silanol group in the molecule and (II) a compound obtained by reacting (a) an organosilane compound which comprises an organosilane represented by formula (1): Si(OR<SP>1</SP>)<SB>4</SB>[R<SP>1</SP>is a 1-5C alkyl group] and an organosilane represented by formula (2): R<SP>2</SP>Si(OR<SP>3</SP>)<SB>3</SB>[R<SP>2</SP>is a 1-8C organic group; R<SP>3</SP>is a 1-5C alkyl group] in the molar ratio of 100:0-250 with (b) an alkanolamine in the absence of water. COPYRIGHT: (C)2004,JPO&NCIPI
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