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Preparation of polymer‐supported zirconocene catalysts and olefin polymerization
Author(s) -
Liu Shengsheng,
Meng Fenghua,
Yu Guangqian,
Huang Baotong
Publication year - 1999
Publication title -
journal of applied polymer science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.575
H-Index - 166
eISSN - 1097-4628
pISSN - 0021-8995
DOI - 10.1002/(sici)1097-4628(19990328)71:13<2253::aid-app16>3.0.co;2-e
Subject(s) - copolymer , metallocene , methylaluminoxane , polymer chemistry , catalysis , ethylene , 1 octene , olefin fiber , polymer , post metallocene catalyst , styrene , materials science , polymerization , amide , chemistry , organic chemistry
A novel polymer‐supported metallocene catalyst with crosslinked poly(styrene‐ co ‐acrylamide) (PSAm) as the support has been prepared and characterized. The probability of long sequences of acrylamide (Am) in PSAm is still low even at an Am amount of 32.8 mol %, implying the relatively homogeneous distribution of Am. The infrared spectra of PSAm and the supported catalyst substantiate that an amide group in PSAm coordinates with methylaluminoxane through both oxygen and nitrogen atoms. Ethylene/α‐octene copolymerization showed that the catalytic activity is not markedly affected by adding α‐octene. 13 C NMR analysis of the ethylene/α‐octene copolymer indicated that the composition distribution of the copolymer is uniform. © 1999 John Wiley & Sons, Inc. J Appl Polym Sci 71: 2253–2258, 1999