| 학회 |
한국고분자학회 |
| 학술대회 |
2017년 가을 (10/11 ~ 10/13, 제주컨벤션센터) |
| 권호 |
42권 2호 |
| 발표분야 |
고분자가공/복합재료 |
| 제목 |
Transparent and Flexible Polymer Nanocomposite Reinforced by 3D Continuous Ceramic Nanofiller with Enhanced Heat Dissipation |
| 초록 |
Polymer nanocomposites reinforced by nanofillers have strengthening effects, but the dispersion of such nanofillers into a polymer matrix frequently causes aggregation which restricts high loading (＞5 vol%) of nanofillers into the matrix. Here, we propose a new type of polymer nanocomposites with three-dimensionally (3D) continuous ceramic nanofillers, allowing extremely high loading (＞15 vol %) of nanofillers into the matrix without a concern of aggregation. The inserted 3D continuous Al2O3 in the epoxy matrix with optimized conditions (compression: 84nm, 19vol%, tension: 36nm, 9vol%) simultaneously enhances the compressive strength and the tensile strength as high as 142% and 53%, respectively, compared to pristine epoxy. The resultant nanocomposite shows the superb transparency over entire visible and near-IR regions (＞91% at 800nm) and the enhanced heat dissipation overcoming an epoxy nanocomposite reinforced by Al2O3 nanoparticles with identical volume ratio. |
| 저자 |
안창의, 김상민, 박준용, 김태건, 조수민, 현가예, 함영진, 조동휘, 한승민, 전석우
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| 소속 |
한국과학기술원 |
| 키워드 |
Nanocomposite; Nanofiller; Mechanical reinforcement; Three-dimensional nanostructure; Heat dissipation; Optical film
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| E-Mail |
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