Study on systhesis and characterization of tri-block copolymer styrene-butzdiene-methyl methacrylate by anionic polymerization

LU Xin-ping 1); JIN Guan-tai 1); LIU Qing 2);YI Yi 1);YANG Xing-kun 1)

Journal of Beijing University of Chemical Technology ›› 2000, Vol. 27 ›› Issue (3) : 29-32.

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Journal of Beijing University of Chemical Technology ›› 2000, Vol. 27 ›› Issue (3) : 29-32.
研究论文

Study on systhesis and characterization of tri-block copolymer styrene-butzdiene-methyl methacrylate by anionic polymerization

  • LU Xin-ping 1); JIN Guan-tai 1); LIU Qing 2);YI Yi 1);YANG Xing-kun 1)
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Abstract

This article reports a new kind of copolymer, non polar polar terpolymer : poly(styrene-butadiene-methyl methacrylate ) (P(S-b-B-b-MMA)) prepared by anionic polymerization with n BuLi as initiator, 1,1 diphenylethylene (DPE) as capping agent and lithium 2-(-methoxyethoxy) ethoxide (LiOEEM) as complex agent. The polymerization was in a combined solution of cyclohexane and tetrahydrofuran(THF). The temperature of the polymerization ranged from -70 ℃ to -40 ℃. The st ructure morphology properties were studied through GPC, 1H-NMR ,DSC ,TEM and IR. The result s indicated that the copolymer P(S-B-MMA) has narrow molecular weight dist ribution (MWD < 113) and the character of microphase2separation.

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LU Xin-ping 1); JIN Guan-tai 1); LIU Qing 2);YI Yi 1);YANG Xing-kun 1) . Study on systhesis and characterization of tri-block copolymer styrene-butzdiene-methyl methacrylate by anionic polymerization [J]. Journal of Beijing University of Chemical Technology, 2000, 27(3): 29-32

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