Process for the preparation of a polyether resin

Details Process for the preparation of a polyether resin Process for the preparation of a polyether resin

C - Chemistry, Metallurgy

08

G

117/197, 402/295

C08G 59/62 (2006.01) C09D 163/02 (2006.01)

Patent

CA 1276747

A B S T R A C T PROCESS FOR THE PREPARATION OF A POLYETHER RESIN Process for the preparation of a polyether resin by reacting a diglycidyl ether of a dihydric phenol with an alcohol of formula R-C(CH2OH)3, R being C1-5-alkyl, using an equivalent ratio eOH to eepoxy > 1 and selecting P > 1.05, wherein Image (1) Fepoxy being the epoxy functionality of the diglycidyl ether. By the process of the invention polyester resins can be obtained at A relatively low temperature and which are substantially free from epoxy groups without a gel being formed. Moreover, cured films prepared from polyether resins so obtained have very good pro- perties in can and general industrial stoving application, for example a very good sterilization resistance, salt spray resistance and very goad flexibility.

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