Thermal Aging Behavior of H-NBR/NBR Blend
作者： Je Sung Do , Sung Hun Ryu , Gun Wan Kim , Myung Ho Yoo , Won Seok Choi
关键词:
摘要: ABSTRACT ：In the present investigation, thermal aging behavior of H-NBR/NBR blend with various H-NBR content wasinvestigated. Mixture dicumyl peroxide and sulfur were used as a curing agent. The influence agingof blends on solid state properties such tensile strength, elongation at break, hardness abrasionresistance was investigated. Tensile strength increased increasing content, while abrasion resistance wasdecreased. Both break not affected by addition H-NBR. ashardness, aged samples lower than unaged samples. However, therate deterioration those decreased which indicated that improved obtained Abrasion loss time, but it became less addition.요 약：본 연구는 함량 변화에 따른 블렌드의 열노화 거동에 대하여 살펴보았다. 이 때 가교 제로는 peroxide와 황 혼합물을 사용하였으며, 열노화에 인장강도 , 파괴신율,경도 그리고 내마모성의 변화를 H-NBR을 첨가함에 따라 인장강도는 증가하였으나 내마모성은 감소하는현상을 나타내었다. 파괴신율과 경도는 H-NBR의 영향을 받지 않았다. 노화가 진행된 모든 시편은 초기 시편보다낮은 인장강도, 파괴신율, 경도를 그러나 함량이 증가함에 이러한 물성저하 속도가 감 소함을 알 수 있었다. 즉 첨가에의해 특성이 향상됨을 NBR/H-NBR 블렌드 는 노화시간이 내마모성이 감소하였으며, 첨가한 경우 저하가 상대적으로 낮음을
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