Polyepoxides and the use thereof

Details Polyepoxides and the use thereof Polyepoxides and the use thereof

1986-06-04

1987-06-30

Nielsen, Earl

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

Synthetic resins

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

528 87, 528101, 528104, C08G 5902

Patent

active

046771700

ABSTRACT:
The invention relates to polyepoxides which are obtainable by reacting compounds of formula I ##STR1## wherein n is 1 or 2, and X, if n is 1, is a group R.sub.3, or, if n is 2, X is a group of the formula ##STR2## each of R.sub.1 and R.sub.3 independently of the other is C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, allyl, a halogen atom or C.sub.6 -C.sub.10 aryl and R.sub.2 is allyl, 1-propenyl or 2-propenyl, with compounds containing phenolic OH groups, and subsequently epoxidizing the resultant adducts in the presence of a peracid. Said polyepoxides can be used, together with customary epoxy resin hardeners, for the preparation of cured products, in particular for coating electronic components, or as adhesives.

REFERENCES:
patent: 2965607 (1960-12-01), Martin et al.
patent: 2965608 (1960-12-01), Martin et al.
patent: 4282345 (1981-08-01), Nelson
patent: 4384129 (1983-05-01), Zahir et al.
patent: 4388451 (1983-06-01), Culbertson et al.

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