ICCAS OpenIR
SYNTHESIS AND CHARACTERIZATION OF HYPERBRANCHED VINYL POLYMERS FROM RAFT POLYMERIZATION OF AN ASYMMETRIC DIVINYL MONOMER
Dong, Zhong-min1,2; Liu, Xiao-hui1; Li, Yue-sheng1
2009-03-01
Source PublicationCHINESE JOURNAL OF POLYMER SCIENCE
ISSN0256-7679
Volume27Issue:2Pages:285-291
AbstractHyperbranched vinyl polymers were prepared by reversible addition-fragmentation chain transfer ( RAFT) polymerization of a styrenic asymmetric divinyl monomer. This was achieved by using cumyl dithiobenzoate or S-dodecyl-S'-(alpha,alpha'-dimethyl-alpha ''-acetic acid) trithiocarbonate as the chain transfer agent, 1,1'-azobis(cyclohexanecarbonitrile) or thermal initiation as a source of radicals. Cross-linking was inhibited by a rapid RAFT-based equilibrium between active propagation chains and dormant species, and thus a hyperbranched polymer with a monomer conversion as high as 80% was obtained. The hyperbranched structure and properties of the resultant polymers were characterized by a combination of (1)H-NMR spectroscopy and a triple detection size exclusion chromatography (TRI-SEC). The hyperbranched vinyl polymer has a broad molecular weight distributions and a low Mark-Houwink exponent alpha value compared with the linear counterpart.
KeywordReversible Addition-fragmentation Chain Transfer (Raft) Hyperbranched Vinyl Polymers Asymmetric Divinyl Monomer
Indexed BySCI
Language英语
WOS IDWOS:000266036700016
PublisherWORLD SCIENTIFIC PUBL CO PTE LTD
Citation statistics
Cited Times:9[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/66774
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 130022, Peoples R China
Recommended Citation
GB/T 7714
Dong, Zhong-min,Liu, Xiao-hui,Li, Yue-sheng. SYNTHESIS AND CHARACTERIZATION OF HYPERBRANCHED VINYL POLYMERS FROM RAFT POLYMERIZATION OF AN ASYMMETRIC DIVINYL MONOMER[J]. CHINESE JOURNAL OF POLYMER SCIENCE,2009,27(2):285-291.
APA Dong, Zhong-min,Liu, Xiao-hui,&Li, Yue-sheng.(2009).SYNTHESIS AND CHARACTERIZATION OF HYPERBRANCHED VINYL POLYMERS FROM RAFT POLYMERIZATION OF AN ASYMMETRIC DIVINYL MONOMER.CHINESE JOURNAL OF POLYMER SCIENCE,27(2),285-291.
MLA Dong, Zhong-min,et al."SYNTHESIS AND CHARACTERIZATION OF HYPERBRANCHED VINYL POLYMERS FROM RAFT POLYMERIZATION OF AN ASYMMETRIC DIVINYL MONOMER".CHINESE JOURNAL OF POLYMER SCIENCE 27.2(2009):285-291.
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