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Synthesis of Trimethylolpropane Allyl Ether Two Octanoate Modified Silicone Oil

A novel organic ether modified silicone oil,trimethylolpropane allyl ether two octanoate modified silicone oil( SE),was synthesized by the reaction of low hydrogen silicone( SH) with thrimethylolpropane allyl ether tuo octanoate( AEDD),using methylbenzene as solvent and H2 Pt Cl6as catalyst. The structure was characterized by1 H NMR and FT-IR. Effects of solvent,r[n( AEDD) ∶ n( SH) ],reaction temperature,reaction time and catalyst on transformation rate of SH were investigated. The results exhibited that the optimum synthesis conditions of SH at 100 ℃ for 6 h were as follows: AEDD 0. 1 mol,r = 1. 1,methylbenzene 90 m L,H2 Pt Cl68 g. The transformation rate of SH was 85% under the optimum conditions.