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KMID : 1024520010100010073
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Journal of the Environmental Sciences
2001 Volume.10 No. 1 p.73 ~ p.77
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Effect of Environmental Factors on the Properties of Polymeric Material(II) : Temperature and Ozone Exposure Time
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Park Chan-Young
Park Seong-Soo
Min Seong-Kee
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Abstract
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This study examined blends of styrene butadiene rubber(SBR) and chloroprene rubber(CR) prepared from an open 2-roll mill following the conventional polymer blend method for a wide range of the blend composition. Rubber vulcanizates were manufactured by hot press and then mechanical properties, heat and ozone resistance of the specimens were examined. Due to the post cure during the aging test, hardness of vulcanizates was increased. It was found that the undesirable characteristics of heat and ozone resistance of pure SBR was significantly improved through the blending of SBR with CR.
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KEYWORD
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SBR, CR, heat resistance, ozone resistance, vulcanizates, post cure
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