Process for preparing resin impregnated substrates for use...

Details Process for preparing resin impregnated substrates for use... Process for preparing resin impregnated substrates for use...

B - Operations, Transporting

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B

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B32B 5/28 (2006.01) C08G 59/06 (2006.01) C08J 5/24 (2006.01) H01B 3/08 (2006.01) H01B 3/40 (2006.01) H05K 1/03 (2006.01)

Patent

CA 1151478

ABSTRACT OF THE DISCLOSURE The preparation of substrates impregnated with epoxy resins and curing agents therefor is improved by employing as the epoxy resin one which has been prepared by reacting a low equivalent weight epoxy resin having an aliphatic halide content of at least 500 ppm such as a diglycidyl ether of bisphenol A with a dihydric phenolic compound such as tetrabromo bis- phenol A in the presence of an alkali metal hydroxide such as potassium hydroxide. 28,237-F

361106

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