Studies on the Physical properties and Application of EPDM-Polymer Blends. Part 3. Physical Properties for EPDM-BR Blends

EPDM과 각종(各種) Polymer의 Blend에 의(依)한 성능변화(性能變化) 및 그 응용(應用)에 관(關)한 연구(硏究)(제3보(第3報)) EPDM과 Butadiene Rubber의 Blend에 대(對)하여

As a series of the studies of EPDM-polymer blonds, the experiments are concentrated to the investigation of the physical properties of the EPDM-BR blends. The results are shown as follows: 1. In blending, tensile strength and elongation decreased with increase in EPDM contents. 2. The resistance for aging and ozone were much improved after blending. It was effective more :han the ratio of EPDM/BR is 50/50. 3. Tear strength is less influenced after blending and rebound character decreased with increase in EPDM contents.