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- W2891065266 abstract "使用廉价原料和简单工艺方法合成了芳氧钛类烯烃聚合和共聚催化剂,得到了(2-OMeC 6 H 4 O)TiCl 3 (C 1 ),(2,4-Me 2 C 6 H 3 O)TiCl 3 (C 2 ),TiCl 3 (1,4-OC 6 H 4 O)TiCl 3 (C 3 ),TiCl 3 (1,4-OC 6 H 2 O-Me 2 -2,5)TiCl 3 (C 4 )以及相应的(ArO) 2 TiCl 2 类络合物TiCl 2 (OC 6 H 4 -OMe-2) 2 (C 5 )和TiCl 2 (OC 6 H 3 -Me 2 -2,6) 2 (C 6 ).通过 1 H NMR, 13 C NMR,MS以及元素分析进行了结构表征,确认了化学组成,以甲基铝氧烷(MAO)为助催化剂,ArOTiCl 3 /MAO体系显示了对乙烯聚合和共聚的高活性, 13 C NMR结果表明,聚合物中1-己烯插入率最高达6.88%(摩尔分数),而且得到的聚合物呈现高度支化,除了 α -烯烃支链,还有甲基、乙基和长支链,并对其形成机理进行了研究,此外,对聚合温度、时间及共聚单体浓度对聚合反应的影响也进行了探讨." @default.
- W2891065266 created "2018-09-27" @default.
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- W2891065266 date "2018-05-14" @default.
- W2891065266 modified "2023-09-24" @default.
- W2891065266 title "单取代芳氧钛合成与催化乙烯及乙烯与 α -烯烃共聚" @default.
- W2891065266 doi "https://doi.org/10.7503/cjcu20170841" @default.
- W2891065266 hasPublicationYear "2018" @default.
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