Abstract
본 논문은 신발 아웃솔용 재료로 사용하기 위하여 마찰특성은 낮으나 내마모성이 우수한 부타디엔고무(BR)에 내마모성은 약하지만 마찰특성이 우수한 염화이소부틸고무(CIIR)를 블렌딩하는 경우 고무복합체의 마찰특성이 저하되는 현상을 방지하기 위한 제조방법에 대한 연구이다. BR/CIIR 복합체에서 마찰특성이 저하되지 않도록 하기 위하여 CIIR을 예비가교한 후 BR에 혼합하여 고무복합체로 제조한 경우, 복합체의 마찰특성이 현저히 향상되었다. 예비 가교한 CIIR을 40% 혼합하여 제조한 복합체의 내마모성과 마찰특성은 신발 아웃솔용으로 사용하기에 만족할 만한 값을 나타내었다. This paper introduced a new preparation method of a composite rubber by mixing BR (butadiene rubber) and CIIR (chloro-isobutyl rubber) for the purpose of improving frictional property of BR. Since BR has high abrasion and low frictional properties, its frictional property needs to be enhanced in order to be used as an outsole of a sport shoe. Such enhancement was difficult to achieve by simple blending of CIIR. In here, CIIR was added into BR matrix after CIIR was pre-crosslinked for a time period, and both high frictional and high abrasion resistance properties were achieved. Our experiments showed that the composite rubber blend of 60% of BR and 40% of pre-crosslinked CIIR had desired BR's frictional and abrasion resistance properties for sport shoes.
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