| 摘要 |
Composition comprising (a) an epoxyurethane, (b) an aliphatic or cycloaliphatic epoxy resin other than (a), and (c) a compound of formula (Ia ) or (Ib), wherein A is an (n + 1)-valent aliphatic or cycloaliphatic radical and n is an integer from 0 to 5, E is an (m + 1)-valent aliphatic or cycloaliphatic radical and m is an integer from 0 to 3, X is -O-, -COO- or - CHR4-, R1 and R2 are each independently of the other hydrogen or methyl, R3 is hydrogen, R5 is a monovalent aliphatic or cycloaliphatic radical, or when X is -CHR4-, R3 and R4 together form an ethylene group, yield cured products havi ng high resistance to weathering and UV-resistance and are suitable especially as gel coats.
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