Polyepoxides and the use thereof

Details Polyepoxides and the use thereof Polyepoxides and the use thereof

C - Chemistry, Metallurgy

07

D

117/198, 402/2,

C07D 303/30 (2006.01) C07D 303/22 (2006.01) C07D 303/24 (2006.01) C08G 59/02 (2006.01) C08G 59/06 (2006.01) C08G 59/32 (2006.01) C08L 63/00 (2006.01)

Patent

CA 1258465

Abstract of the Disclosure The invention relates to polyepoxides which are obtainable by reacting compounds of formula I Image (I) wherein n is 1 or 2, and X, if n is 1, is a group R3, or, if n is 2, X is a group of the formula Image each of R1 and R3 independently of the other is C1-C4alkyl, C1-C4- alkoxy, allyl, a halogen atom or C6-C10aryl and R2 is allyl, 1-propenyl or 2-propenyl, with compounds containing phenolic OH groups, and subsequently epoxidising the resultant adducts in the presence of n peracid. Said polyepoxides can be used, together with customary opoxy resin hardeners, for the preparation of cured products, in particular for coating electronic components, or as adhesives.

510775

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