双水杨醛亚胺双核镍(Ⅱ)配合物降冰片烯加成聚合的研究  被引量:5

SYNTHESIS OF BIS(SALICYLALDININATO)NICKEL COMPLEXES AND THEIR CATALYTIC BEHAVIOR FOR VINYL POLYMERIZATION OF NORBORNENE

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作  者:张东恒[1] 介素云[1] 张天柱[1] 侯俊先[1] 李伟 赵东风 孙文华[1] 

机构地区:[1]中国科学院化学研究所高分子科学与材料联合实验室工程塑料重点实验室,北京100080 [2]向阳科化集团高分子研究所,营口115005

出  处:《高分子学报》2004年第5期758-762,共5页Acta Polymerica Sinica

基  金:国家自然科学基金资助项目 (基金号 2 0 2 72 0 62 )

摘  要:A series of bridged ligand 4,4′-methylene-bis [2,6-dialkyl-N-(2-phenylmethylene)-anil] was efficiently synthesized by the condensation reaction of 4,4′-methylene-bis(2,6-disubstituted aniline) and salicyl aldehyde.They easily coordinated with Ni (Ⅱ) to form the title complexes,which were characterized by IR spectroscopy and elemental analysis.The complexes show good activities for vinyl polymerization of norbornene with methylalumoxane (MAO) as co-catalyst.The variations of complexes and catalytic parameters were investigated along with viscosimetric measurement of resultant polynorbornenes.A series of bridged ligand 4, 4'-methylene-bis[2, 6-dialkyl-N-(2-phenylmethylene)-anil] was efficiently synthesized by the condensation reaction of 4, 4'-methylene-bis (2, 6-disubstituted aniline) and salicyl aldehyde. They easily coordinated with Ni(II) to form the title complexes, which were characterized by IR spectroscopy and elemental analysis. The complexes show good activities for vinyl polymerization of norbornene with methylalumoxane (MAO) as co-catalyst. The variations of complexes and catalytic parameters were investigated along with viscosimetric measurement of resultant polynorbornenes.

关 键 词:双水杨醛亚胺双核镍配合物 降冰片烯 加成聚合 2-羟基苯甲醛 甲基铝氧烷 冰醋酸 催化剂 对甲苯磺酸 助催化剂 

分 类 号:O631.5[理学—高分子化学]

 

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