A Study of Catalytic Hydrogenation of Copolymer of PS-PB-PS(SBS) with Titanocenes

Abstract

Abstract: Aseries of titanocenes[(C₅H₄R)_{2TiCl_{2, R=H(1), Me(2), C₆H₁₁ (3) and (C₅H₄R)_{2TiAr₂, R=H, Ar=C₆H₅(4), p MeC₆H₄(5), m MeC₆H₄(6); R=Me, Ar=C₆H₅(7), p-MeC₆H₄(8); R=C₆H₁₁ , Ar=C₆H₅(9), p-MeC₆H₄(10)] were synthesized. The catalytic hydrogenation of SBScopolymer using these catalysts was studied.The effects of the types of catalyst, the amount of catalyst and the component ratio of catalyst were investigated and found that the SBSwas hydrogenated more than₉₈ when the amount of catalyst was 0.001-0.003 mmol/g polymer. Among the catalysts, the ptolyltitanocene were synthesized. The catalytic hydrogenation of SBScopolymer using these catalysts was studied.The effects of the types of catalyst, the amount of catalyst and the component ratio of catalyst were investigated and found that the SBSwas hydrogenated more than 98 when the amount of catalyst was 0.001-0.003 mmol/g polymer. Among the catalysts, the ptolyltitanocene 8 gives the best result and is a promising catalyst system for catalytic hydrogenation of SBScopolymer.}}}

Key words: Titanocene, Titanium, Hydrogenation catalyst

CLC Number:

O627

TrendMD:

XU ShanSheng, YANG Liu, YUAN Ke, WANG BaiQuan, ZHOU XiuZhong, LI Wei, HE Xiao Jin. A Study of Catalytic Hydrogenation of Copolymer of PS-PB-PS(SBS) with Titanocenes[J]. Chem. J. Chinese Universities, 2001, 22(12): 2022.

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A Study of Catalytic Hydrogenation of Copolymer of PS-PB-PS(SBS) with Titanocenes

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