4,4'-BIS(METHACRYLOYLTHIO)DIPHENYL SULFIDE AND CURABLE COMPOSITION CONTAINING SAME.

摘要

sulphide of formula (I) is new. Also new are curable compsns. (1) contg. (I) together with (a) a vinyl monomer copolymerisable with (I); (b) a polythiol of formula R(SH)n (where R is a polyvalent organic gp. n is at least 2, pref. 2-5 pref. in the ratio (b):(I) (molar) 0.02-1.01 and the ratio (I):((a)+(b)) 10-90% wt.; (2) contg. (a) a prepolymer obtd. by reaction of (I) with polythiol R(SH)n; (b) a vinyl monomer copolymerisable with (I).