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.
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页数：13
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