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高分子科学（英文版）
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2026年9期
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Enhanced Segment Mobility Promotes Stereocomplex Crystallization in Polymer Blends via Elevated Segmental Miscibility
Enhanced Segment Mobility Promotes Stereocomplex Crystallization in Polymer Blends via Elevated Segmental Miscibility
摘要
A fundamental prerequisite to effectively regulate the content of stereocomplex crystals(SCs)in poly(lactic acid)(PLA)is to elucidate the underlying mechanisms governing their formation.In this study,we established polymer blend systems with different chain segment mobili-ty but similar initial segment miscibility based on dynamic Monte Carlo(MC)simulations.The SC fraction was found to be closely related to seg-ment mobility in polymer blend systems during the crystallization process.The simulation results further indicated that polymer blend systems with stronger segment mobility exhibited higher segment miscibility during crystallization,resulting in the formation of more SCs.Therefore,it can be concluded that by increasing the segment mobility,segment miscibility can be enhanced,thereby improving the stereocomplexation ability.
年，卷(期)：
2026, 44(9)
机标分类号：
O646
TP3
TU984.191
在线出版日期：
2026年10月16日
