Synthesis of Castor Oil Based Water Borne Polyurethane/Graphene Nanocomposite as a Conductive Ink 


Vol. 60,  No. 3, pp. 145-155, Jun.  2023
10.12772/TSE.2023.60.145


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  Abstract

In this study, we synthesized anionic waterborne polyurethane based on castor oil (CWPU), and prepared its nanocomposites by adding varying amounts of graphene (Gr) to demonstrate its potential as a conductive ink. The physical appearance, thermal, mechanical, and electrical properties of The CWPU and CWPU/Gr composite films were investigated, as well as their electric heating behaviors. The prepared CWPU/Gr composite films exhibited excellent thermal, mechanical, and electrical properties due to the presence of graphene in the polymer matrix. The results from the thermogravimetric analysis showed that the increase in graphene content in the CWPU composite ink improved thermal stability. Moreover, the reinforcing effect of graphene in the CWPU polymer and its uniform distribution led to improvement in mechanical properties. We also analyzed the behavior of CWPU as an ink matrix in terms of total mass fraction and the effect of graphene content. Notably, when the mass fractions were optimized, there was a significant increase in the electrical conductivity from 5.69×10-3 to 0.13 S/cm in the in-plane direction, which directly affected the electrical heating behavior. Finally, we report a study using CWPU and graphene as conductive inks with excellent electrical properties.

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  Cite this article

[IEEE Style]

S. Y. Lee, S. Y. Park, K. Malkappa, S. Lee, E. J. Shin, H. Y. Choi, "Synthesis of Castor Oil Based Water Borne Polyurethane/Graphene Nanocomposite as a Conductive Ink," Textile Science and Engineering, vol. 60, no. 3, pp. 145-155, 2023. DOI: 10.12772/TSE.2023.60.145.

[ACM Style]

Soo Young Lee, Seo Yeong Park, Kuruma Malkappa, Sunhee Lee, Eun Joo Shin, and Hyeong Yeol Choi. 2023. Synthesis of Castor Oil Based Water Borne Polyurethane/Graphene Nanocomposite as a Conductive Ink. Textile Science and Engineering, 60, 3, (2023), 145-155. DOI: 10.12772/TSE.2023.60.145.

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pISSN : 1225 - 1089
eISSN : 2288 - 6419

한국연구재단 우수등재학술지 유지 (2022년)