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SYNTHESIS OF FUNCTIONAL POLYETHYLENE via COPOLYMERIZATION OF ETHYLENE AND SUBSTITUTED ALLENE USING BIS(beta-ENAMINOKETONATO)TITANIUM CATALYSTS
Hong, Miao1,2; Li, Bai-xiang1; Li, Yue-sheng1
2011-11-01
Source PublicationCHINESE JOURNAL OF POLYMER SCIENCE
ISSN0256-7679
Volume29Issue:6Pages:692-698
AbstractNovel copolymerization of ethylene with substituted allenes (CH(2)=C=CH-R, 1: R = n-butyl, 2: R = n-octyl) using bis(beta-enaminoketonato)titanium catalysts [PhN=C(R(2))CHC(R(1))O](2)TiCl(2) (1a: R(1) = CF(3), R(2) = CH(3); 1b: R(1) = Ph, R(2) = CF(3)) has been investigated. In the presence of modified methylaluminoxane, these catalysts can copolymerize ethylene with substituted allenes, affording copolymers with unimodal molecular weight distributions and homogeneous compositions. By varying the reaction conditions, the comonomer incorporation can be tuned in the range of 0-3.6 mol%. (1)H-NMR spectra reveal that the copolymerization proceeds through 1,2-insertion fashion of allene comonomer exclusively, and the regioselective nature maintains under various reaction conditions. The retained intra-chain double bond can be converted into the epoxy group under mild conditions.
KeywordZiegler-natta Polymerization Functional Polyethylene Allene
DOI10.1007/s10118-011-1081-3
Indexed BySCI
Language英语
WOS IDWOS:000297865200006
PublisherSPRINGER
Citation statistics
Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/71760
Collection中国科学院化学研究所
Corresponding AuthorLi, Yue-sheng
Affiliation1.Chinese Acad Sci, Changchun Inst Appl Chem, State Key Lab Polymer Phys & Chem, Changchun 130022, Peoples R China
2.Chinese Acad Sci, Grad Sch, Changchun Branch, Changchun 130022, Peoples R China
Recommended Citation
GB/T 7714
Hong, Miao,Li, Bai-xiang,Li, Yue-sheng. SYNTHESIS OF FUNCTIONAL POLYETHYLENE via COPOLYMERIZATION OF ETHYLENE AND SUBSTITUTED ALLENE USING BIS(beta-ENAMINOKETONATO)TITANIUM CATALYSTS[J]. CHINESE JOURNAL OF POLYMER SCIENCE,2011,29(6):692-698.
APA Hong, Miao,Li, Bai-xiang,&Li, Yue-sheng.(2011).SYNTHESIS OF FUNCTIONAL POLYETHYLENE via COPOLYMERIZATION OF ETHYLENE AND SUBSTITUTED ALLENE USING BIS(beta-ENAMINOKETONATO)TITANIUM CATALYSTS.CHINESE JOURNAL OF POLYMER SCIENCE,29(6),692-698.
MLA Hong, Miao,et al."SYNTHESIS OF FUNCTIONAL POLYETHYLENE via COPOLYMERIZATION OF ETHYLENE AND SUBSTITUTED ALLENE USING BIS(beta-ENAMINOKETONATO)TITANIUM CATALYSTS".CHINESE JOURNAL OF POLYMER SCIENCE 29.6(2011):692-698.
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