MIXTURE COMPRISING BIS(SILYLORGANYL)POLYSULFANE AND SILYLORGANYL THIOCYANATE, ITS PRODUCTION AND PRODUCTION OF VULCANIZABLE PLASTIC-RUBBER MIXTURE

摘要

PROBLEM TO BE SOLVED: To obtain the subject mixture useful for the production or the like of a vulcanizable plastic-rubber mixture by reacting a silylorganylpolysulfane or the like with a metallic cyanide compound and then reacting the resultant compound with a halogenalkylalkoxysilane. SOLUTION: A silylorganylpolysulfane (mixture) represented by formula I R1 to R3 are each a 1-8C alkyl and/or a 1-8C alkoxy group in which at least one thereof is the alkoxy group; R4 is a 1-8C bivalent alkylidene or a group represented by formula II [(y) is 1-4]; (n) is 2-20} is reacted with a nucleophilic compound represented by the formula M+ CN- [M+ is an alkali metallic cation, a (substituted)ammonium ion, a half alkaline earth metallic ion or zinc ion] and the resultant compound is then reacted with a compound represented by formula III at a high temperature under a high pressure to afford a mixture of a bis(silylorganyl)polysulfane represented by formula IV [X is Sn when (x) is 2 and X is SCN when (x) is 1] with a silylorganyl thiocyanate useful as a phase transfer assistant or the like for incorporating an acidic substance in a rubber matrix for the production or the like of a vulcanizable mixture.