NOVEL BIS(TRIMETHYL-SUBSTITUTED BENZOYL)PEROXIDE AND SILICONE RUBBER CROSSLINKING AGENT COMPOSED OF SAID PEROXIDE

摘要

NEW MATERIAL:bis(trimethyl-substituted benzoyl) peroxide of formula I . EXAMPLE:bis(2,3,4-trimethylbenzoyl) peroxide. USE:Crosslinking agent of solicone rubber. High rate of crosslinking and high productivity. Crosslinking of silicone rubber can be carried out with hot air in high efficiency. Useful also as a polymerization initiator, curing agent, oxidizing agent, etc. PREPARATION:The compound of formula I can be prepared by reacting 2mol of the trimethyl-substituted benzoyl chloride of formula II with 1mol of hydrogen peroxide in the presence of an acid acceptor such as NaOH, KOH, etc.