| 학회 |
한국고분자학회 |
| 학술대회 |
2017년 가을 (10/11 ~ 10/13, 제주컨벤션센터) |
| 권호 |
42권 2호 |
| 발표분야 |
기능성 고분자 |
| 제목 |
Magnetic Field Alignment and Electrical Properties of PDMS/Carbon Nanotube Composites |
| 초록 |
The alignment of carbon nanotubes (CNTs) and formation of stable dispersion is necessary to optimize the properties of technologically useful material, e.g., reinforced composites, electronic components and optical materials, so considerable effort has been expended in finding ways of forming stable dispersions of well-aligned CNTs. Mold casting method was employed to produce conductive polydimethyl siloxane (PDMS)/multi-walled CNTs (MWCNTs) composites, while high magnetic fields (10 T) was used to induced MWCNT alignment within PDMS matrix, and it was determined that the concentration and alignment direction of MWCNTs plays the most important roles in determining the electrical conductivity. The electrical conductivity was increased as increase of MWCNT concentration from 0.5 to 3.0 wt%. Based on the electrical conductivity of pure PDMS materials, the addition of 3.0 wt% CNTs with treated with high magnetic field approximately produced an 8 order of magnitude increase. |
| 저자 |
이영재, 황준성, 이성준, 김현철, 정상원, 김호영, 이세근
|
| 소속 |
DGIST |
| 키워드 |
PDMS; CNT; Magnetic field; Alignment; Electrical properties
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| E-Mail |
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