학술논문
EMI shielding effectiveness and mechanical properties of MWCNTs-reinforced biodegradable epoxy matrix composites
이용수 7
- 영문명
- EMI shielding effectiveness and mechanical properties of MWCNTs-reinforced biodegradable epoxy matrix composites
- 발행기관
- 한국탄소학회
- 저자명
- Yoon-Ji Yim,Dong Chul Chung,Soo-Jin Park
- 간행물 정보
- 『Carbon Letters』제22권, 36~41쪽, 전체 6쪽
- 주제분류
- 자연과학 > 자연과학일반
- 파일형태
- 발행일자
- 2017.04.01
4,000원
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국문 초록
영문 초록
Biodegradable epoxy (B-epoxy) was prepared from diglycidyl ether of bisphenol A and epoxidized
linseed oil. The mechanical properties of B-epoxy composites reinforced with multi-walled
carbon nanotubes (MWCNTs/B-epoxy) were examined by employing dynamic mechanical
analysis, critical stress intensity factor (KIC) tests, and impact strength tests. The electromagnetic
interference shielding effectiveness (EMI-SE) of the composites was evaluated using reflection
and absorption methods. Mechanical properties of MWCNTs/B-epoxy were enhanced with an
increase in the MWCNT content, whereas they deteriorated when the MWCNT content was >5
parts per hundred resin (phr). This can likely be attributed to the entanglement of MWCNTs with
each other in the B-epoxy due to the presence of an excess amount of MWCNTs. The highest
EMI-SE obtained was ~16 dB for the MWCNTs/B-epoxy composites with a MWCNT content
of 13 phr at 1.4 GHz. The composites (13 phr) exhibited the minimum EMI-SE (90%) when used
as shielding materials at 1.4 GHz. The EMI-SE of the MWCNTs/B-epoxy also increased with an
increase in the MWCNT content, which is a key factor affecting the EMI-SE.
목차
1. Introduction
2. Experimental
3. Results and Discussion
4. Conclusions
References
키워드
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