Relationships between ringed spherulitic morphology and miscibility in blends of poly(ε-caprolactone) with poly(benzyl methacrylate) versus poly(phenyl methacrylate)

Eamor Woo, T. K. Mandal, S. C. Lee

研究成果: Article同行評審

33 引文 斯高帕斯(Scopus)

摘要

Ringed spherulites are an interesting phenomenon that is observed only in very few miscible systems. For the first time, the relationship between the state of chain intermixing and the ring-band pattern was demonstrated. Two previously demonstrated miscible blend systems, poly(ε-caprolactone) (PCL) with poly(benzyl methacrylate) (PBzMA) and PCL with poly(phenyl methacrylate) (PPhMA), were studied in order to understand the mechanism of ring-band formation in the spherulites and the relationships between the ring-band pattern and the state of miscibility. In both miscible PCL/PBzMA and PCL/PPhMA systems, extinction rings were observed within the PCL spherulities. In the PCL/PBzMA blend, the extinction rings are not as distinct (owing to distortion) as those in the PCL/PPhMA blend system. Analysis was performed and discussions were made to reveal relationships between miscibility, interaction strength, and the pattern of the ring bands in the PCL spherulites in polymeric mixtures.

原文English
頁(從 - 到)1032-1042
頁數11
期刊Colloid and Polymer Science
278
發行號11
DOIs
出版狀態Published - 2000 11月 27

All Science Journal Classification (ASJC) codes

  • 物理與理論化學
  • 聚合物和塑料
  • 膠體和表面化學
  • 材料化學

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