방사선에 의한 폐폴리우레탄의 분해 거동

박종석; 안성준; 권희정; 정성인; 노영창; 임윤묵

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자료유형: 학술저널

저자정보: 박종석 (한국원자력연구원) 안성준 (한국원자력연구원) 권희정 (한국원자력연구원) 정성인 (한국원자력연구원) 노영창 (한국원자력연구원) 임윤묵 (한국원자력연구원)

저널정보: 한국방사선산업학회 방사선산업학회지 방사선산업학회지 제11권 제2호

발행연도: 2017.1

수록면: 101 - 105 (5page)

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초록· 키워드

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Polyurethane (PU) is a very popular polymer that is used in a variety of applications due to its good mechanical, thermal, and chemical properties. However, waste PU recycling has received significant attention due to environmental issues. The aim of this work was to investigate the degradation characteristics of waste PU to recycle. Degradation of waste PU was carried out using a radiation techniques. Waste PUs were exposed to a gamma 60Co sources. To verify degradation, the irradiated PUs were characterized using FT-IR, gel permeation chromatography (GPC), and their thermal/mechanical properties are reported. When the radiation dose was 500 kGy, the molecular weight of the waste PU drastically decreased. Also, the mechanical properties of waste PU were approximately 4 times lower than those of non-irradiated PU. This study has confirmed the possibility of making fine particle of waste PU for recycling through radiation degradation techniques.

참고문헌 (16)

참고문헌 신청

최재학 / 2007 / 방사선을 이용한 고분자 재료의 가공 / 고분자과학과 기술 18(3):253~258

Becker D / 2003 / Blend of thermosetting polyurethane waste with polypropylene:influence of compatibilizing agent on the interface domains and mechanical properties / Polym. Test 22:225~230

Beyer G / 2001 / Flame Retardant Properties of EVA-Nanocomposites and improvements by combination of nanofillers with aluminum trihydrate / Fire. Mater 25:193~197

Duong HTT / 2006 / Effect of foam density, oil viscosity, and temperature on oil sorption behavior of polyurethane / J. Appl. Polym. Sci 99:360~367

Goel NK / 2013 / Development of functional absorbent from PU foam waste via radiation induced grafting I: Process parameter standardization / Radiat. Phys. Chem 82:85~91

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