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.
式I至IV的磺鎵鹽 ##STR1## 其中A为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,具有1-4个C原子的烷氧基基团或具有1-12个C原子的酰基取代的苯基;Ar,Ar.sup.1和Ar.sup.2,彼此独立,均为未取代或经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,具有1-4个C原子的烷氧基基团或具有1-12个C原子的酰基取代的苯基,或未取代或经单或多取代的萘基;每个芳基均为未取代或经单或多取代的苯基或未取代或经单或多取代的萘基,Q.sup..crclbar.为SbF.sub.6.sup.-,AsF.sub.6.sup.-或SbF.sub.5 OH.sup.-是有价值的固化剂和固化促进剂,在阳离子聚合化合物的热固化中,优选用于环氧树脂。