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- 고에너지볼밀을 이용한 PVA 고분자가 표면 코팅된 B4C 나노복합재 제조
- 엄영랑, 김재우, 정진우, 이창규
- The Fabrication of PVA Polymer Coated on the Surface of B4C Nanocomposite by High Energy Ball Mill
- Young-Rang Uhm, Jae-Woo Kim, Jin-Woo Jung, Chang-Kyu Rhee
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Journal of Korean Powder Metallurgy Institute 2009;16(2):110-114
DOI: https://doi.org/10.4150/KPMI.2009.16.2.110
1한국원자력연구원 원자력재료연구부
2한국원자력연구원 원자력재료연구부
3한국원자력연구원 원자력재료연구부
4한국원자력연구원 원자력재료연구부
1Division of Nuclear Materials Research, Korea Atomic Energy Research Institute (KAERI)
2Division of Nuclear Materials Research, Korea Atomic Energy Research Institute (KAERI)
3Division of Nuclear Materials Research, Korea Atomic Energy Research Institute (KAERI)
4Division of Nuclear Materials Research, Korea Atomic Energy Research Institute (KAERI)
2한국원자력연구원 원자력재료연구부
3한국원자력연구원 원자력재료연구부
4한국원자력연구원 원자력재료연구부
1Division of Nuclear Materials Research, Korea Atomic Energy Research Institute (KAERI)
2Division of Nuclear Materials Research, Korea Atomic Energy Research Institute (KAERI)
3Division of Nuclear Materials Research, Korea Atomic Energy Research Institute (KAERI)
4Division of Nuclear Materials Research, Korea Atomic Energy Research Institute (KAERI)
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Abstract
Mechanical coating process was applied to form 89 %-hydrolyzed poly vinyl alcohol (PVA) onto boron carbide (B_4C) nanopowder using one step high energy ball mill method. The polymer layer coated on the surface of B4C was changed to glass-like phase. The average particle size of core/shell structured B_4C/PVA was about 50 nm. The core/shell structured B_4C/PVA was formed by dry milling. However, the hydrolyzed PVA of 98sim99% with high glass transition temperature (T_g) was rarely coated on the powder. The T_g of polymer materials was one of keys for guest polymer coating on to the host powder by solvent free milling.
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