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论文类型：期刊论文

发表时间：2015-06-08

发表刊物：ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

收录刊物：PubMed、SCIE、EI、Scopus

卷号：54

期号：24

页面范围：7042-7046

ISSN号：1433-7851

关键字：carbon dioxide; cocrystallization; meso-epoxides; polycarbonates; polymer assembly

摘要：Stereocomplexation is the stereoselective interaction between two opposite enantiomeric polymers through an interlocked orderly assembly. Most studies focus on the stereocomplex formation from the crystalline opposite enantiomers having the identical structure; nevertheless, rare examples were reported regarding the crystalline stereocomplexes from enantiomeric polymers having different chemical structures. Herein we show a strategy for polymer orderly assembly through the formation of crystalline hetero-stereocomplexed polymeric materials by the cocrystallization of amorphous isotactic polycarbonates with different chemical structures and opposite configurations. The behaviors in the crystalline state are significantly different from that of the component enantiomeric polymers or their homo-stereocomplexes. This study is expected to open up a new way to prepare various semicrystalline materials having a wide variety of physical properties and degradability.