Syndiospecific Styrene Polymerization in Aliphatic Solvents Catalyzed by FluTi(OiPr)3/MAO: Study of Polymerization Conditions

被引:0
作者
Lugo, Luis E. [1 ,2 ]
Charles, Rogelio [1 ]
Perez, Odilia [2 ]
Cadenas, Gregorio [2 ]
Revilla, Javier [1 ]
机构
[1] Ctr Invest & Desarrollo Tecnol, Lerma 52000, Mexico
[2] CIQA, Saltillo 25100, Coahuila, Mexico
关键词
high-throughput screening; organometallic catalysts; polymerization; polystyrene; syndiotactic; TITANIUM METHYLALUMINOXANE CATALYST; SYNDIOTACTIC POLYSTYRENE; COPOLYMERS; COMPLEXES; MECHANISM;
D O I
10.1002/masy.200950910
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
Syndiotactic polymerization of styrene in aliphatic solvents (hexane and cyclohexane) and aliphatic solvent/toluene mixtures was evaluated using a previously reported catalytic system formed by FluTi((OPr)-Pr-i)(3)/MAO in order to evaluate polymerization reaction conditions and their effect on polymer tacticity. Highly syndiotactic polystyrene was produced indistinctly using pure aliphatic solvent or mixtures with toluene. on the other hand, the effect of polymerization conditions such as temperature, catalyst precursor and styrene concentrations, Al/Ti ratio and aliphatic solvent/toluene ratio over catalytic activity were analyzed.
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页码:67 / 77
页数:11
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