(Anilino)anthraquinone Nickel-Catalyzed Random Copolymerization of Norbornene and Ethylene

被引:23
作者
Cheng, Hailong [1 ]
Cai, Zhengguo [1 ]
机构
[1] Donghua Univ, Coll Mat Sci & Engn, State Key Lab Modificat Chem Fibers & Polymer Mat, Shanghai 201620, Peoples R China
基金
中国国家自然科学基金;
关键词
alkenes; copolymerization; nickel; N; O ligands; norbornene; ANSA-FLUORENYLAMIDODIMETHYLTITANIUM COMPLEX; IN-SITU FORMATION; PALLADIUM(II) COMPLEXES; VINYL-POLYMERIZATION; VINYL/ADDITION POLYMERIZATION; OLEFIN POLYMERIZATION; LIVING POLYMERIZATION; ETHENE-NORBORNENE; HIGHER; 1-ALKENE; ALPHA-OLEFINS;
D O I
10.1002/cctc.201701418
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
Nickel complexes bearing an (anilino)anthraquinone ligand with different electron-donating substituents were synthesized and shown to have unique properties for the random copolymerization of norbornene with ethylene. The nickel catalysts exhibited high activity (380-750 kg mol(-1) h(-1)) and thermal stability in the production of cyclic olefin copolymers (COCs). The norbornene content of the obtained COCs could be controlled over a wide range (63.7-92.2 mol%) by changing the comonomer concentration in the feed. The glass transition temperature value increased linearly from 182 to 322 degrees C as a function of the norbornene content regardless of the nickel complex used.
引用
收藏
页码:497 / 500
页数:4
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