引用本文:
Hai Feng LIU, Yang LI, Yu Rong WANG, Yan REN, Zhan Xia LU, Jin Bo ZHAO. Synthesis and Characterization of Star-branched Polyisobutylene by Combination of Anionic Polymerization and Cationic Polymerization[J]. Chinese Chemical Letters,
2006, 17(8): 1117-1120.
Citation: Hai Feng LIU, Yang LI, Yu Rong WANG, Yan REN, Zhan Xia LU, Jin Bo ZHAO. Synthesis and Characterization of Star-branched Polyisobutylene by Combination of Anionic Polymerization and Cationic Polymerization[J]. Chinese Chemical Letters, 2006, 17(8): 1117-1120.
Citation: Hai Feng LIU, Yang LI, Yu Rong WANG, Yan REN, Zhan Xia LU, Jin Bo ZHAO. Synthesis and Characterization of Star-branched Polyisobutylene by Combination of Anionic Polymerization and Cationic Polymerization[J]. Chinese Chemical Letters, 2006, 17(8): 1117-1120.
Synthesis and Characterization of Star-branched Polyisobutylene by Combination of Anionic Polymerization and Cationic Polymerization
摘要:
A star-shaped multifunctional styrene-isoprene copolymer was synthesized with n-BuLi as initiator, divinyl benzene as coupling agent, cyclohexane as solvent by living anionic polymerization.Using this polymer as grafting agent, a novel star-shaped branched polymer, containing several polyisobutylene, was prepared via cationic polymerization.The star PS-b-PI and star-branched polyisobutylene were characterized by GPC, 1HNMR and FT-IR, and the effects of different adding order and the amount of grafting agent were investigated.
English
Synthesis and Characterization of Star-branched Polyisobutylene by Combination of Anionic Polymerization and Cationic Polymerization
Abstract:
A star-shaped multifunctional styrene-isoprene copolymer was synthesized with n-BuLi as initiator, divinyl benzene as coupling agent, cyclohexane as solvent by living anionic polymerization.Using this polymer as grafting agent, a novel star-shaped branched polymer, containing several polyisobutylene, was prepared via cationic polymerization.The star PS-b-PI and star-branched polyisobutylene were characterized by GPC, 1HNMR and FT-IR, and the effects of different adding order and the amount of grafting agent were investigated.
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Key words:
- Anionic polymerization
- / cationic polymerization
- / star-branched polymer
- / graft
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