Insight into the Alcohol-Free Ring-Opening Polymerization of TMC Catalyzed by TBD

被引：8

作者：

Azemar, Fabrice ^{[1
]}

Gimello, Olinda ^{[1
]}

Pinaud, Julien ^{[1
]}

Robin, Jean-Jacques ^{[1
]}

Monge, Sophie ^{[1
]}

机构：

[1] Univ Montpellier, ENSCM, CNRS, ICGM, F-34095 Montpellier, France

来源：

POLYMERS | 2021年 / 13卷 / 10期

关键词：

macrocycles; ring opening; organocatalysis; zwitterionic; trimethylene carbonate; IN-VITRO DEGRADATION; FUNCTIONAL ALIPHATIC POLYCARBONATES; TRIMETHYLENE CARBONATE; METAL-FREE; EPSILON-CAPROLACTONE; CYCLIC CARBONATES; ORGANIC CATALYSTS; COPOLYMERS; CONSTRUCTION; BEHAVIOR;

D O I：

10.3390/polym13101589

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

We report herein a study on the alcohol-free, ring-opening polymerization of trimethylene carbonate (TMC) in THF, catalyzed by 1,5,7-triazabicyclo [4.4.0] ec-5-ene (TBD) with ratios n(TBD)/n(TMC) ranging between 1/20 and 1/400. In all cases, the reaction proceeds very rapidly, even faster than in the presence of alcohol initiators, and provides PTMC with molecular weights up to M-n = 34,000 g mol(-1). Characterization of the obtained PTMC samples by MALDI-TOF mass spectrometry, triple detection size exclusion chromatography and H-1 NMR spectroscopy reveals the presence of both linear and cyclic polymer chains.

引用

页数：13

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