Reverse addition\|fragmentation chain transfer (RAFT) polymerizatin of MAn with St is reported aiming at the synthesis of a well\|defined alternating copolymer of MAn with St.The results show that the polymers possess...Reverse addition\|fragmentation chain transfer (RAFT) polymerizatin of MAn with St is reported aiming at the synthesis of a well\|defined alternating copolymer of MAn with St.The results show that the polymers possess predetermined molecular weight and molecular weight distribution as narrow as 1 2. A novel well\|defined block copolymer P(MAn\| alt \|St)\| b \|PSt has also been prepared by the copolymerization of MAn with excess amount of St in molar feed via RAFT process.展开更多
Controlled radical copolymerization including atom transfer radical polymerization(ATRP) and radical reversible addition\|fragmentation chain transfer polymerization(RAFT) of iso \|butyl vinyl ether ( i BVE) with elec...Controlled radical copolymerization including atom transfer radical polymerization(ATRP) and radical reversible addition\|fragmentation chain transfer polymerization(RAFT) of iso \|butyl vinyl ether ( i BVE) with electron\|withdrawing monomers such as maleic anhydride and N substituted maleimides,have been studied.Results show that ATRP of i BVE with electron\|withdrawing monomers does not work well,while the well\|defined copolymers are obtained via RAFT polymerization.The copolymers thus obtained possess alternating structure,predetermined molecular weight and molecular weight distribution as narrow as 1 2~1 4.展开更多
文摘Reverse addition\|fragmentation chain transfer (RAFT) polymerizatin of MAn with St is reported aiming at the synthesis of a well\|defined alternating copolymer of MAn with St.The results show that the polymers possess predetermined molecular weight and molecular weight distribution as narrow as 1 2. A novel well\|defined block copolymer P(MAn\| alt \|St)\| b \|PSt has also been prepared by the copolymerization of MAn with excess amount of St in molar feed via RAFT process.
文摘Controlled radical copolymerization including atom transfer radical polymerization(ATRP) and radical reversible addition\|fragmentation chain transfer polymerization(RAFT) of iso \|butyl vinyl ether ( i BVE) with electron\|withdrawing monomers such as maleic anhydride and N substituted maleimides,have been studied.Results show that ATRP of i BVE with electron\|withdrawing monomers does not work well,while the well\|defined copolymers are obtained via RAFT polymerization.The copolymers thus obtained possess alternating structure,predetermined molecular weight and molecular weight distribution as narrow as 1 2~1 4.