Heat-polymerisable compositions comprising epoxide resins,...

Details Heat-polymerisable compositions comprising epoxide resins,... Heat-polymerisable compositions comprising epoxide resins,...

C - Chemistry, Metallurgy

08

G

402/250, 402/40,

C08G 59/40 (2006.01) C08G 59/68 (2006.01) C08G 65/10 (2006.01)

Patent

CA 1185744

SUMMARY Certain classes of aromatic sulfoxonium salts, such as dimethylphenacylsulfoxonium and acetanilinodimethylsulfoxonium hexafluorophosphates, have little or no effect on prolonged heating with O-glycidyl group-containing epoxides. It has now been found that if a quinone, peroxide, or iodoso aromatic compound is also added, the sulfoxonium sales rapidly bring about the polymerisation of such epoxides and curing of such polyepoxides.

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