申请人:Ciba-Geigy Corporation
公开号:US05247113A1
公开(公告)日:1993-09-21
Sulfonium salts of the formulae I to IV ##STR1## in which A is C.sub.1 -C.sub.12 alkyl, C.sub.3 -C.sub.8 cycloalkyl, C.sub.4 -C.sub.10 cycloalkylalkyl, phenyl which is unsubstituted or mono- or polysubstituted by C.sub.1 -C.sub.8 alkyl, C.sub.1 -C.sub.4 alkoxy, halogen, nitro, phenyl, phenoxy, alkoxycarbonyl having 1-4 C atoms in the alkoxy radical or acyl having 1-12 C atoms, Ar, Ar.sup.1 and Ar.sup.2, independently of one another, are each unsubstituted or mono- or polysubstituted phenyl, or naphthyl which is unsubstituted or mono- or polysubstituted each arylene is an unsubstituted or mono- or polysubstituted phenylene or unsubstituted or mono- or polysubstituted naphthylene and Q.sup..crclbar. is SbF.sub.6.sup.-, AsF.sub.6.sup.- or SbF.sub.5 OH.sup.- are valuable curing agents and curing accelerators in the heat-curing of cationically polymerizable compounds, preferably epoxy resins.
Sulfonium盐的化学式I至IV ##STR1##其中A是C.sub.1-C.sub.12烷基,C.sub.3-C.sub.8环烷基,C.sub.4-C.sub.10环烷基烷基,苯基未取代或经C.sub.1-C.sub.8烷基,C.sub.1-C.sub.4烷氧基,卤素,硝基,苯基,苯氧基,在烷氧基中有1-4个C原子或酰基中有1-12个C原子,Ar,Ar.sup.1和Ar.sup.2,彼此独立地,每个未取代或经C.sub.1-C.sub.8烷基,C.sub.1-C.sub.4烷氧基,卤素,硝基,苯基,苯氧基,烷氧羰基或酰基取代的苯基,或者naphthyl未取代或经单个或多个取代的每个芳基是未取代或经单个或多个取代的苯基或未取代或经单个或多个取代的naphthylene和Q.sup..crclbar.是SbF.sub.6.sup.-,AsF.sub.6.sup.-或SbF.sub.5 OH.sup.-是在阳离子聚合化合物的热固化中有价值的固化剂和固化促进剂,最好是环氧树脂。