Applied Chemistry for Engineering (공업화학)

The Korean Society of Industrial and Engineering Chemistry (한국공업화학회)
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A Study on Physical Properties of EPDM/Polyhedral Oligomeric Silsesquioxane (POSS) Composites

EPDM/POSS(Polyhedral oligomeric silsesquioxane) 복합재료의 물성 연구

  • 박현호 (계명대학교 자연과학대학 화학전공)
  • Received : 2021.06.11
  • Accepted : 2021.07.19
  • Published : 2021.08.10
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Abstract

The crosslinking behavior of polyhedral oligomeric silsesquioxane (POSS) containing eight acrylate groups in a cage form in ethylene-propylene-diene rubber (EPDM) peroxide crosslinking, the effect on mechanical properties, and the thermal stability were investigated. An EPDM/POSS composite material was prepared by mixing 0 to 12 parts per hundreds of rubber (phr) of POSS per 100 phr of rubber by content and adding a peroxide crosslinking agent. As a result of crosslinking properties, it was found that the acrylate group of POSS was activated by peroxide and improved the peroxide crosslinking efficiency. Although the dispersion stability of POSS in EPDM/POSS composites was poor, the fracture strength, elongation and thermal stability were improved.

다면체 올리고머 실세스퀴옥산 (POSS) 중 케이지 형태 8개의 아크릴레이트 그룹을 포함하는 POSS가 에틸렌-프로필렌-디엔고무 (EPDM) 과산화물 가교에서의 가교 거동, 기계적 특성에 미치는 영향 및 열 안정성 등을 조사하였다. 고무 100 phr당 0~12 phr의 POSS를 함량 별로 혼합하고 과산화물 가교제를 첨가하여 EPDM/POSS 복합재료를 만들었다. 가교 특성 결과 POSS의 아크릴레이트 그룹이 과산화물에 의해 활성화 되었고, 과산화물 가교 효율을 향상시키는 것으로 나타났다. EPDM/POSS 복합재료에서 POSS의 분산안정성은 떨어졌지만, 복합재료의 파단 강도, 신장률 및 열 안정성은 향상되었다.

Keywords

Acknowledgement

본 연구는 계명대학교 신임교원 정착연구비에 의하여 연구된 논문이므로 이에 감사드립니다.

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