Elastomers and Composites

The Rubber Society of Korea (한국고무학회)
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Efficient Carbonization of ABS Rubber via Iodine Doping

  • Park, Chiyoung (Department of Energy Science and Engineering, Daegu Gyeongbuk Institute of Science and Technology (DGIST)) ;
  • Kim, Chae Bin (Department of Polymer and Science Engineering, Pusan National University)
  • Received : 2022.01.12
  • Accepted : 2022.01.19
  • Published : 2022.03.31
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Abstract

Herein, a facile approach for the development of effective and low-cost carbon precursors from acrylonitrile-butadiene-styrene (ABS) rubber is reported. ABS rubber with a negligible char yield can be converted into an excellent carbon precursor with approximately 54% char yield under a nitrogen atmosphere at 800℃ by simple iodine doping and subsequent heating at 110℃ under an inert atmosphere. The enhanced char yield is attributed to the improved intermolecular interactions between the ABS chains caused by the formation of covalent bonds between the butadiene segments, along with the newly developed charge-charge interactions and other indiscriminate radical-radical couplings. The charges and radicals involved in these interactions are also generated by iodine doping. We believe that this study will be useful for the development of low-cost carbon precursors.

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Acknowledgement

본 연구는 산업통상자원부 및 산업기술평가관리원(KEIT) 연구비 지원(No. 20011117)과 2019학년도 부산대학교 신임교수연구 정착금 지원으로 이루어졌음.

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