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Effect of aging conditions of neodymium-based catalysts on cis-1,4 polymerization of butadiene

✍ Scribed by Ivana L. Mello; Fernanda M. B. Coutinho

Publisher
John Wiley and Sons
Year
2009
Tongue
English
Weight
296 KB
Volume
112
Category
Article
ISSN
0021-8995

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It was found that poly(butadiene), poly(isoprene), and poly(2,3-dimethylbutadiene) with high cis-1,4 content were obtained with Nd(OCOR) 3 -(i-Bu) 3 Al-Et 2 AlCl catalysts (R Γ… CF 3 , CCl 3 , CHCl 2 , CH 2 Cl, CH 3 ) in hexane at 50ЊC [cis-1,4 content: poly(BD), ΓΊ 98%; poly(IP), Β’ 96%; poly(DMBD), Β’