RING-OPENING POLYMERIZATION OFε-CAPROLACTONE USING LANTHANIDE TRIS(N-PHENYL-3,5-DI-T-BUTYLSALICYLALDIMINATO)S AS SINGLE COMPONENT CATALYST
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RING-OPENING POLYMERIZATION OFε-CAPROLACTONE USING LANTHANIDE TRIS(N-PHENYL-3,5-DI-T-BUTYLSALICYLALDIMINATO)S AS SINGLE COMPONENT CATALYST
Issue 5, Pages: 541-544(2007)
Affiliations:
1. Institute of Polymer Science Key Laboratory of Macromolecule Synthesis and Functionalization Ministry of Education
2. Zhejiang University
3. Hangzhou 310027
4. China
Author bio:
Funds:
This work was financially supported by the Key Program of National Natural Science Foundation of China(No.G 20434020)();the Special Funds for Major Basic Research Projects(No.G 2005 CB623802)();the Committee of Science and Technology of Zhejiang Province.()
DOI:
CLC:TQ316.341
Published:2007
Accepted:
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[1]沈之荃.RING-OPENING POLYMERIZATION OFε-CAPROLACTONE USING LANTHANIDE TRIS(N-PHENYL-3,5-DI-T-BUTYLSALICYLALDIMINATO)S AS SINGLE COMPONENT CATALYST[J].Chinese Journal of Polymer Science,2007(05):541-544.
RING-OPENING POLYMERIZATION OFε-CAPROLACTONE USING LANTHANIDE TRIS(N-PHENYL-3,5-DI-T-BUTYLSALICYLALDIMINATO)S AS SINGLE COMPONENT CATALYST[J]. 2007, (5): 541-544.
[1]沈之荃.RING-OPENING POLYMERIZATION OFε-CAPROLACTONE USING LANTHANIDE TRIS(N-PHENYL-3,5-DI-T-BUTYLSALICYLALDIMINATO)S AS SINGLE COMPONENT CATALYST[J].Chinese Journal of Polymer Science,2007(05):541-544.DOI:
RING-OPENING POLYMERIZATION OFε-CAPROLACTONE USING LANTHANIDE TRIS(N-PHENYL-3,5-DI-T-BUTYLSALICYLALDIMINATO)S AS SINGLE COMPONENT CATALYST[J]. 2007, (5): 541-544.DOI:
RING-OPENING POLYMERIZATION OFε-CAPROLACTONE USING LANTHANIDE TRIS(N-PHENYL-3,5-DI-T-BUTYLSALICYLALDIMINATO)S AS SINGLE COMPONENT CATALYST
Ring-opening polymerization ofε-caprolactone has been carried out by using rare earth Schiff base complexes: lanthanide tris(N-pheny1-3
5-di-t-butylsalicylaldiminato)s[Ln(OPBS)
3
]as single component catalyst for the first time.The influences of different rare earth elements
monomer and catalyst concentration as well as reaction time on the polymerization were investigated.Mechanism studies showed that monomer inserts into the active site with the acyl-oxygen bond scission rather than the break of alkyl-oxygen bond.
Abstract
Ring-opening polymerization ofε-caprolactone has been carried out by using rare earth Schiff base complexes: lanthanide tris(N-pheny1-3
5-di-t-butylsalicylaldiminato)s[Ln(OPBS)
3
]as single component catalyst for the first time.The influences of different rare earth elements
monomer and catalyst concentration as well as reaction time on the polymerization were investigated.Mechanism studies showed that monomer inserts into the active site with the acyl-oxygen bond scission rather than the break of alkyl-oxygen bond.
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