Effects of Lewis acidity and size of lanthanide salts for ring-opening copolymerization†

IF 4.2 2区 化学 Q2 CHEMISTRY, MULTIDISCIPLINARY Chemical Communications Pub Date : 2025-01-23 DOI:10.1039/d4cc06438k
Zachary A. Wood , Mrityunjay Giri , Harrison Min , Aren Ohanyan , Adrian Guerrero , Mikiyas K. Assefa , Megan E. Fieser
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Abstract

Lanthanide chloride salts, with a cocatalyst, are used as a near “one-size-fits-all” catalyst system to perform the ring-opening copolymerization of diverse epoxides and cyclic anhydrides. Variation of the metal in the lanthanide series leads to subtle changes in selectivity for random, gradient, and block copolymers when monomer mixtures are used.

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路易斯酸度和镧系盐粒径对开环共聚反应的影响
镧系氯盐和助催化剂被用作一种“一刀切”的催化剂体系,用于各种环氧化物和环酸酐的开环共聚。当使用单体混合物时,镧系金属的变化会导致随机、梯度和嵌段共聚物选择性的细微变化。
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来源期刊
Chemical Communications
Chemical Communications 化学-化学综合
CiteScore
8.60
自引率
4.10%
发文量
2705
审稿时长
1.4 months
期刊介绍: ChemComm (Chemical Communications) is renowned as the fastest publisher of articles providing information on new avenues of research, drawn from all the world''s major areas of chemical research.
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