Elastomers and Composites

  • 제47권2호
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  • Pages.121-128
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  • 2012
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  • 2092-9676(pISSN)
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  • 2288-7725(eISSN)
한국고무학회 (The Rubber Society of Korea)
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폐 EPDM을 이용한 고무 복합 소재 개발

Development of Rubber Composite Materials Using Waste EPDM

  • 박동규 (경상대학교 나노.신소재공학부 고분자공학과) ;
  • 홍여주 (경상대학교 나노.신소재공학부 고분자공학과) ;
  • 정극민 (경상대학교 나노.신소재공학부 고분자공학과) ;
  • 김진국 (경상대학교 나노.신소재공학부 고분자공학과)
  • Park, Dong-Kyu (Polymer Science and Engineering, School of Materials Science and Engineering, Gyeongsang National University) ;
  • Hong, Yeo-Joo (Polymer Science and Engineering, School of Materials Science and Engineering, Gyeongsang National University) ;
  • Jeong, Keuk-Min (Polymer Science and Engineering, School of Materials Science and Engineering, Gyeongsang National University) ;
  • Kim, Jin-Kuk (Polymer Science and Engineering, School of Materials Science and Engineering, Gyeongsang National University)
  • 투고 : 2012.05.11
  • 심사 : 2012.05.25
  • 발행 : 2012.06.30
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초록

제대로 재활용되지 못하고 있는 폐 EPDM 즉, 자동차 Weather strip이나 세탁기 가스켓 등에서 재생한 폐EPDM 분말을 적합하고 경제성있는 Polyolefin계 Elastomer와 수지(Binder), 그리고 Filler 및 기타 첨가제를 선정하여, 다양한 배합조건으로 고무 복합소재를 압출 제조하였다. 본 실험에 유익한 기초 실험으로서, 폐 EPDM의 초음파처리 효과, 폐 EPDM복합소재의 폐타이어 복합소재와의 물성 비교, Virgin EPDM과 Devulcanized EPDM과의 비교, 그리고 12 축압출기로 압출한 재료의 물성에의 영향을 고찰하였다. 폐 EPDM을 이용하여 인조잔디 충전재와 카매트용 복합소재를 2 축압출기를 사용하여 압출한 후, 인장시편을 사출하여 인장강도, 신율, 경도의 세가지 물성을 주요 평가지표로 삼고 경제적인 배합처방을 개발하였다.

Waste EPDM(W-EPDM) collected from the automotive weather strip and the gasket of a laundry machine has not been effectively recycled. Using this W-EPDM powder and other ingredients, i.e., binder(polyolefin resin, polyolefin elastomer, etc.), filler and additives, various economic rubber composites were made by extrusion. In advance of main experiments, the effects of ultrasonic treatment of W-EPDM on the property of rubber composites, comparison in the property of the composites of W-EPDM with those of virgin and devulcanized EPDM, and waste tire rubber were investigated. Also, the properties of the rubber composites extruded with a 12-screw extruder were compared with those extruded with twin-screw extruder. Various W-EPDM composites for synthetic turf filler and car mat were extruded and injection molded, and 3 main properties of tensile strength, elongation and hardness were investigated to develop economical and proper recipes of the rubber composites.

키워드

참고문헌

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