Influence of carbon black properties on the Joule heating stimulated shape-memory behavior of filledethylene-1-octene copolymer
作者： Hai Hong Le , Osayuki Osazuwa , Igor Kolesov , Sybill Ilisch , Hans-Joachim Radusch
DOI: 10.1002/PEN.21818
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摘要: The shape-memory (SM) behavior of ethylene-1-octene copolymer (EOC) reinforced by carbon black (CB) was investigated. Two CB types, N110 and EC600, with different structure specific surface area were used as conductive fillers. mechanical tests showed that on addition into EOC, modulus strength increased significantly for both types but the elastic stands on. electrical resistivity decreases drastically increasing content. thermally stimulated SM recovery is deteriorated because rigid network formed in EOC. With temperature, gradually loses its rigidity, glassy polymer layers connecting aggregates become softened. As a result, samples high content could recover nearly 100%. In this work, sample preparation corresponding arrangement experiment introduced, which allows to quantify Joule heating behavior. EOC containing 17 wt% EC600 reaches low 8 Ω cm shows good up 97% at voltage 15 V. POLYM. ENG. SCI., 2011. © 2010 Society Plastics Engineers
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