文献类型：期刊文献

英文题名：Dynamic mechanical properties in blends of poly(styrene-b-isoprene-b- styrene) with aromatic hydrocarbon resin

作者：Wu, Caiyun[1]; Wu, Guozhang[1]; Wu, Chifei[1]

机构：[1] Polymer Alloy Laboratory, School of Materials Science and Engineering, East China University of Science and Technology, Shanghai 200237, China

年份：2006

卷号：102

期号：5

起止页码：4157

外文期刊名：Journal of Applied Polymer Science

收录：EI(收录号：20064810264727)

语种：英文

外文关键词：Addition reactions - Aromatic hydrocarbons - Damping - Dynamic mechanical analysis - Glass transition - Mechanical properties - Polystyrenes - Resins

摘要：The damping properties in blends of poly (styrene-b-isoprene-b-styrene) (SIS) and hydrogenated aromatic hydrocarbon (C9) resin were investigated by dynamic mechanical analysis. SIS exhibited two independent peaks of loss factor (tan 8) corresponding to the glass transition of polyisoprene (PI) and polystyrene (PS) segments, respectively. The addition of hydrogenated C9resin had a positive impact on the damping of SIS. With the increasing softening point and content of the resin, the main tan δ peak shifted to higher temperatures and the useful damping temperature range was broadened. Addition of mica or PS was found to widen the effective damping range evidently in the high-temperature region, especially when PS was mixed in the solid state. It was concluded that the dispersed PS domains played a role of reinforcing fillers at low temperatures and served as a polymer component with a tan δ peak due to its glass transition at the high temperature. ? 2006 Wiley Periodicals, Inc.