Copolymerization of styrene with butadiene and isoprene using a rare earth catalyst
文献类型:期刊论文
作者 | Jin YT ; Wang PX ; Pei FK ; Cheng GL ; Cui LQ ; Song CL |
刊名 | polymer
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出版日期 | 1996 |
卷号 | 37期号:2页码:349-352 |
关键词 | POLYMERIZATION MECHANISM |
ISSN号 | 0032-3861 |
通讯作者 | jin yt |
中文摘要 | in the copolymerization of styrene-butadiene and styrene-isoprene, a novel rare earth catalyst system (cf3co2)(3)ln/r(3-n)alh(n)/(ch3)(3)cch2br (ln = y, la, ce, pr, nd, sm, eu, gd, tb, dy, ho, er, tm, yb and lu; r = me-, et-, i-bu-, and oct-; n = 0 and 1) has been studied. the 1, 4 unit contents in the copolymers obtained are found to range from 64.4 to 99.6% with st contents of 5.2 to 59.9%, and intrinsic viscosities of 0.1 to 0.5 dl g(-1) measured by i.r., h-1 n.m.r. and c-13 n.m.r. spectra. from the calculated data of linked ratios, a change in the microstructure is induced by the styrene unit, probably adjacent to the butadiene or isoprene unit. an interesting result is that the ratios of styrene unit linked with 1, 2 or 3,4 units in the copolymers are far higher than in copolymers obtained with the nickel catalyst. the experimental results are discussed in terms of rare earth pi-allyl coordination and back-biting mechanism. |
收录类别 | SCI收录期刊论文 |
语种 | 英语 |
公开日期 | 2010-12-22 ; 2011-06-09 |
源URL | [http://ir.ciac.jl.cn/handle/322003/25605] ![]() |
专题 | 长春应用化学研究所_长春应用化学研究所知识产出_期刊论文 |
推荐引用方式 GB/T 7714 | Jin YT,Wang PX,Pei FK,et al. Copolymerization of styrene with butadiene and isoprene using a rare earth catalyst[J]. polymer,1996,37(2):349-352. |
APA | Jin YT,Wang PX,Pei FK,Cheng GL,Cui LQ,&Song CL.(1996).Copolymerization of styrene with butadiene and isoprene using a rare earth catalyst.polymer,37(2),349-352. |
MLA | Jin YT,et al."Copolymerization of styrene with butadiene and isoprene using a rare earth catalyst".polymer 37.2(1996):349-352. |
入库方式: OAI收割
来源:长春应用化学研究所
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