Epoxy curing agent and one-component (type) epoxy resin composit

Details Epoxy curing agent and one-component (type) epoxy resin composit Epoxy curing agent and one-component (type) epoxy resin composit

1998-09-02

2000-03-21

Dawson, Robert

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525526, 528117, C08F283000

Patent

active

060403985

ABSTRACT:
An epoxy curing agent comprising a heterocycle-containing compound having a backbone chain selected from the group consisting of polyether, polyvinyl, polyester, polyamide, polycarbonate, and novolac chains and at least two heterocyclic groups of the following general formula (1) as side chains, and a one-component (type) epoxy resin composition comprising said epoxy curing agent and a polyepoxy compound, ##STR1## wherein R.sub.1 and R.sup.2 may be the same or different and each represents hydrogen, straight-chain or branched C.sub.1 to C.sub.6 alkyl or alkenyl, or C.sub.6 to C.sub.8 aryl; or R.sub.1 and R.sup.2, taken together with the adjacent carbon atom, represents C.sub.5 to C.sub.7 cycloalkyl; R.sup.3 represents C.sub.1 to C.sub.10 alkylene. The object is to provide the one-component (type) epoxy resin composition having fast-curing feature, an improved storage stability, and an improved degree of workability.

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patent: 5219979 (1993-06-01), Greco
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