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首页> 外文期刊>Macromolecular reaction engineering >Effect of Cocatalyst in Ethylene/Styrene Copolymerization by Aryloxo-Modified Half-Titanocene-Cocatalyst Systems for Exclusive Synthesis of Copolymers at High Styrene Concentrations~a
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Effect of Cocatalyst in Ethylene/Styrene Copolymerization by Aryloxo-Modified Half-Titanocene-Cocatalyst Systems for Exclusive Synthesis of Copolymers at High Styrene Concentrations~a

机译：芳烃改性的半茂钛-助催化剂体系在高苯乙烯浓度下独家合成共聚物对乙烯/苯乙烯共聚合的影响〜a

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摘要

Factors affecting the product distributions in ethylene/styrene copolymerizations catalyzed by Cp*TiCl_2(O-2,6-~iPr_2C_6H_3) are explored in the presence of various cocatalysts at high styrene/ ethylene feed ratios (at 40 and 55 ℃). Ethylene/styrene copolymers were the sole product when the reactions were conducted in the presence of [PhN(H)Me_2][B(C_6F_5)_4] and Al~iBu_3/Al(octyl)_3 even at 55 and 70 ℃, whereas syndiotactic polystyrene was by-produced when the polymerizations were performed at >40 ℃ in the presence of MAO; the ratios of the copolymer/SPS were affected by the reaction temperature as well as Al cocatalyst employed.
机译：在高苯乙烯/乙烯进料比（40和55℃）下，在各种助催化剂存在下，探讨了Cp * TiCl_2（O-2,6-〜iPr_2C_6H_3）催化的乙烯/苯乙烯共聚反应中产物分布的影响因素。当在[PhN（H）Me_2] [B（C_6F_5）_4]和Al〜iBu_3 / Al（辛基）_3存在下进行反应时，即使在55和70℃下，乙烯/苯乙烯共聚物也是唯一的产物。在MAO存在下，于> 40℃进行聚合时，会产生聚苯乙烯。共聚物/ SPS的比例受反应温度以及所用Al助催化剂的影响。

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  • 来源
    《Macromolecular reaction engineering》 |2012年第8期|p.351-356|共6页
  • 作者

    Kotohiro Nomura; Naohiro Suzuki; Dong-Hyun Kim; Hyun Joon Kim;

  • 作者单位

    Department of Chemistry, Tokyo Metropolitan University, 1-1 Minami Osawa, Hachioji, Tokyo 192-0397, Japan;

    Department of Chemistry, Tokyo Metropolitan University, 1-1 Minami Osawa, Hachioji, Tokyo 192-0397, Japan;

    Korea Institute of Industrial Technology, 35-3 Hongcheon-ri, Ipjang-myeon, Seobuk-gu, Cheonan-si, Chungnam 331-825, Korea;

    Korea Institute of Industrial Technology, 35-3 Hongcheon-ri, Ipjang-myeon, Seobuk-gu, Cheonan-si, Chungnam 331-825, Korea;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    copolymerization; ethylene; half-titanocenes; styr-ene; titanium;

    机译：共聚乙烯;半钛茂;苯乙烯钛;

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