C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
402/293
C07D 303/24 (2006.01) C08G 59/02 (2006.01) C08G 59/06 (2006.01) C08G 59/08 (2006.01)
Patent
CA 1236640
ABSTRACT Advanced epoxy resins having a low total aliphatic halide content are prepared by reacting an epoxy resin having an average of more than one 1,2- epoxide group per molecule with a material having an average of more than one phenolic hydroxyl group per molecule in the presence of a solvent having at least one aliphatic hydroxide group per molecule and a catalytic quantity of an alkali metal hydroxide. These low aliphatic halide-containing advanced epoxy resins are useful in formulations for preparing laminates, moldings, pottings and coatings for the electronics industry.
529352
Bowden Robert L.
Chen Wuu N.
Wang Chun S.
Smart & Biggar
The Dow Chemical Company
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