Copolymerization of dienes with neodymiu
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Eiichi Kobayashi; Nahoto Hayashi; Sadahito Aoshima; Junji Furukawa
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Article
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1998
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John Wiley and Sons
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English
β 195 KB
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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 50ΠC [cis-1,4 content: poly(BD), ΓΊ 98%; poly(IP), Β’ 96%; poly(DMBD), Β’