Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From heterocyclic reactant containing as ring atoms oxygen,...
Patent
1982-04-29
1983-06-07
Phynes, Lucille M.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From heterocyclic reactant containing as ring atoms oxygen,...
528 89, 528 91, 528 92, 528409, C08G 5968, C08G 6504
Patent
active
043872166
ABSTRACT:
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 salts rapidly bring about the polymerization of such epoxides and curing of such polyepoxides.
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Ciba-Geigy Corporation
Falber Harry
Phynes Lucille M.
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