Facile In-situ Polymerization of Thermotropic Liquid Crystalline Polymers as Thermally Conductive Matrix Materials 


Vol. 19,  No. 6, pp. 1143-1149, Jun.  2018
10.1007/s12221-018-8010-9


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  Abstract

Although thermally conductive composites that can efficiently dissipate the heat generated from electronic devices are in high demand, most neat polymers used as matrix materials are problematic because they have poor thermal conductivities. The low thermal conductivity of polymeric materials is caused by structural defects; therefore, it can be improved by increasing the orientational regularity of the polymer chains. Here, main-chain liquid crystalline polymers (LCPs) were designed and synthesized to investigate the effects of liquid crystallinity-induced structural regularity on the thermal conductivity of the polymers. In addition, an in-situ polymerization method was devised for commercial applicability, and the thermal conductivity of the obtained polymer was compared to that of a conventionally polymerized polymer having the same structure. The designed polymers exhibited thermotropic liquid crystalline characteristics, and the polymer with longer spacers between the rigid segments showed relatively higher thermal conductivity exceeding 0.5 W

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  Cite this article

[IEEE Style]

Y. Kang, Y. Ahn, M. S. Kim, B. Kim, "Facile In-situ Polymerization of Thermotropic Liquid Crystalline Polymers as Thermally Conductive Matrix Materials," Fibers and Polymers, vol. 19, no. 6, pp. 1143-1149, 2018. DOI: 10.1007/s12221-018-8010-9.

[ACM Style]

Yeongkwon Kang, Yejin Ahn, Min Seon Kim, and Bong-Gi Kim. 2018. Facile In-situ Polymerization of Thermotropic Liquid Crystalline Polymers as Thermally Conductive Matrix Materials. Fibers and Polymers, 19, 6, (2018), 1143-1149. DOI: 10.1007/s12221-018-8010-9.

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pISSN : 1229 - 9197
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