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Deformation behavior and nucleation activity of a thermotropic liquid-crystalline polymer in poly(butylene terephthalate)-based composites

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Abstract

Polymer composites based on a thermotropic liquid-crystalline polymer (TLCP) and poly(butylene terephthalate) (PBT) were prepared using a melt blending process. Polymer composites consisting of bulk cheap polyester with a small quantity of expensive TLCP are of interest from a commercial perspective. The interactions between the PBT chains and the flexible poly(ethylene terephthalate) (PET) units in the TLCP phase resulted in an improvement in the compatibility of PBT/TLCP composites. TLCP droplets deformed and fragmented into smaller droplets in the PBT/TLCP composites, which resulted in TLCP fibrillation through the effective deformation of the TLCP droplets. The nucleation activities of the PBT/TLCP composites increased by adding even a small amount of the TLCP component.

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Authors and Affiliations

  1. Department of Fiber and Polymer Engineering, College of Engineering, Hanyang University, 17 Haengdang, Seongdong, 133-791, Seoul, Korea

    Jun Young Kim, Seong Wook Kang, Seong Hun Kim & Byoung Chul Kim

  2. Department of Ceramic Engineering, CPRC, College of Engineering, Hanyang University, 17 Haengdang, Seongdong, 133-791, Seoul, Korea

    Kwang Bo Shim

  3. SKC Film R&D Center, 911 Chongja-1, Changan, 440-301, Suwon, Gyeonggi, Korea

    Jung Gyu Lee

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  1. Jun Young Kim
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Kim, J.Y., Kang, S.W., Kim, S.H. et al. Deformation behavior and nucleation activity of a thermotropic liquid-crystalline polymer in poly(butylene terephthalate)-based composites. Macromol. Res. 13, 19–29 (2005). https://doi.org/10.1007/BF03219011

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