申请人:Ciba-Geigy Corporation
公开号:US05013814A1
公开(公告)日:1991-05-07
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 --, AsF.sub.6 -- or SbF.sub.5 OH-- are valuable curing agents and curing accelerators in the heat-curing of cationically polymerizable compounds, preferably epoxy resins.
公式I至IV的磺鎵鹽##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,其未经取代或经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,烷氧羰基在烷氧基基团中具有1-4个C原子或酰基在1-12个C原子中,Ar,Ar.sup.1和Ar.sup.2,独立于彼此,均为未经取代或经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,烷氧羰基在烷氧基基团中具有1-4个C原子或酰基在1-12个C原子中的苯基,或未经取代或经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,烷氧羰基在烷氧基基团中具有1-4个C原子或酰基在1-12个C原子中的萘基,且每个芳基均未经取代或经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,烷氧羰基在烷氧基基团中具有1-4个C原子或酰基在1-12个C原子中,Q.sup..crclbar.是SbF.sub.6--,AsF.sub.6--或SbF.sub.5OH--在阳离子聚合化合物的热固化中是有价值的固化剂和固化加速剂,优选为环氧树脂。