RING-OPENING POLYMERIZATION OFε-CAPROLACTONE USING LANTHANIDE TRIS（N-PHENYL-3,5-DI-T-BUTYLSALICYLALDIMINATO）S AS SINGLE COMPONENT CATALYST

沈之荃

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RING-OPENING POLYMERIZATION OFε-CAPROLACTONE USING LANTHANIDE TRIS（N-PHENYL-3,5-DI-T-BUTYLSALICYLALDIMINATO）S AS SINGLE COMPONENT CATALYST

Note | Updated：2021-06-21

- 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 USING LANTHANIDE TRIS（N-PHENYL-3,5-DI-T-BUTYLSALICYLALDIMINATO）S AS SINGLE COMPONENT CATALYST
- 高分子科学（英文版） 2007年第5期页码：541-544
- 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.()
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沈之荃. RING-OPENING POLYMERIZATION OFε-CAPROLACTONE USING LANTHANIDE TRIS（N-PHENYL-3,5-DI-T-BUTYLSALICYLALDIMINATO）S AS SINGLE COMPONENT CATALYST[J]. 高分子科学（英文版）, 2007,(5):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.
沈之荃. RING-OPENING POLYMERIZATION OFε-CAPROLACTONE USING LANTHANIDE TRIS（N-PHENYL-3,5-DI-T-BUTYLSALICYLALDIMINATO）S AS SINGLE COMPONENT CATALYST[J]. 高分子科学（英文版）, 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[J]. 2007,(5):541-544. DOI：

摘要

<,正,>,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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