文献类型：期刊文献

英文题名：Improving viscoelasticity and rebound resilience of crosslinked low-density polyethylene foam by blending with ethylene vinyl acetate and polyethylene-octene elastomer

作者：Wang, Wei[1];Gong, Weiguang[1];Zheng, Baicun[1]

机构：[1]E China Univ Sci & Technol, Res & Dev Ctr Sports Mat, Shanghai 200237, Peoples R China

年份：2016

卷号：22

期号：1

起止页码：61

外文期刊名：JOURNAL OF VINYL & ADDITIVE TECHNOLOGY

收录：;EI(收录号：20143600008839);WOS:【SCI-EXPANDED(收录号:WOS:000370445700009)】；

基金：Contract grant sponsor: Science and Technology Commission of Shanghai Municipality, China; contract grant number: 10DZ2290600.

语种：英文

外文关键词：Blending - Ethylene - Thermoplastic elastomers - Polyethylenes - Capillary flow - Plastics

摘要：To obtain high-rebound resilience of crosslinking low-density polyethylene (LDPE) foam and decrease the foam density at the same content of foaming agent, the melt viscoelasticity of LDPE with different compositions (ethylene vinyl acetate [EVA], polyethylene-octene elastomer, and crosslinking agent) was investigated by dynamic rheology test. Then, LDPE/EVA/(polyethylene-octene elastomer) foams with different composition ratios were produced by a continuous foaming process and investigated by the rebound resilience test. The results show that the melt viscoelasticity behavior of LDPE and its blends in the molten state possessed more melt elasticity behavior after the crosslinking was introduced. Meanwhile, the rebound resilience of LDPE foam was increased 54% at the lower foam density (0.031 g/cm(3)). It could meet the requirements of sports mats for high-rebound resilience (>50%) and decrease the material cost when EVA was introduced into the foaming system. J. VINYL ADDIT. TECHNOL., 22:61-71, 2016. (c) 2014 Society of Plastics Engineers