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식물성 오일 기반 바이오 탄성체의 합성과 실리카의 분산성에 관한 연구 원문보기

  • 저자

    김경건

  • 학위수여기관

    경상대학교 대학원

  • 학위구분

    국내석사

  • 학과

    나노신소재공학부 나노신소재융합공학

  • 지도교수

  • 발행년도

    2014

  • 총페이지

    V, 77 p

  • 키워드

    식물성오일 친환경 바이오 엘라스토머 실리카 분산;

  • 언어

    kor

  • 원문 URL

    http://www.riss.kr/link?id=T13534307&outLink=K  

  • 초록

    In this present study, polybutadiene rubber (PBD) was treated with epoxidized soybean oil (ESO) to from mechanically strong bio-elastomer for manufacturing shoe's out-sole. To overcome the drawback of the existing commercial compatibilizers, PBD-ESO can be used successfully as an alternate compatibilizer for a silica based 'green-elastomer' composite. The substantial enhancement of dispersion of silica with PBD-ESO composite was observed after epoxidation. This attribute arises from the highly polar character of epoxidized group imposed in the rubber chains, which eventually leads to improved compatibility between silica fillers and rubber chains. The samples without ESO and with ESO were characterized for mechanical properties, surface morphology, and thermal stability for both dry and solution mixing process. Among various epoxidation processes, PBD-ESO to silica mixing ratio with 90:30 phr in solution mixing showed best compatibilizing effect in presence of 2.3-phr added ESO. The surface functionality present in PBD-ESO with silica was shown by FT-IR and NMR spectroscopy respectively. The physico-mechanical properties of the optimized sample were found comparable with those of standard shoe's outsole samples. PBD-ESO with enhanced silica compatibility has the potential to be the most effective alternate compatibilizer which could eventually minimize the drawbacks associated with inferior compatibility of silica at the industrial scale.


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