| 摘要 |
A fibrous composite structure impregnated with a solvent-free, curable epoxy resin matrix and comprising (a) a liquid epoxy resin or a liquid mixture of epoxy resins, (b) a liquid beta -hydroxyamine of formula I <IMAGE> (I) wherein X is phenyl or the radical R-O-CH2-, wherein R is an alkyl group of 4 to 20 carbons or is phenyl or phenyl which is substituted by one or more C1-C4alkyl groups, a liquid mixture of beta -hydroxyamines of formula I or a liquid mixture of one more beta -hydroxyamines of formula I and of a primary monomaine different from formula I or of a primary or secondary diamine, and optionally (c) a catalytically curing tertiary amine, is virtually odourless, can be stored for several days at room temperature, and has good processing properties.
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