| 摘要 |
<p>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 tae 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 having high resistance to weathering and UV-resistance an are suitable especially as gel coats.</p> |
