教授
硕士生导师
教师拼音名称：wangzhaobo
学位：工学博士
职称：教授
学科：材料物理与化学
材料学材料加工工程材料科学与工程其他专业邮箱：
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关键字：Polystyrene; styrene-butadiene rubber; dynamic vulcanization; Payne effect; Mullins effect
摘要：Thermoplastic vulcanizates (TPVs) based on high-impact polystyrene (HIPS)/styrene-butadiene rubber (SBR) blends were prepared by dynamic vulcanization technique, and the TPVs were compatibilized by styrene-butadiene-styrene block copolymer (SBS). Experimental results indicate that SBS had a good compatibilization effect on the HIPS/SBR TPVs. A rubber process analyzer reveals that elastic modulus increased with increasing frequency and increasing SBR content in the TPVs led to obvious decrease in elastic modulus. A softening phenomenon could be observed in the stress-stretch curves of HIPS/SBR and HIPS/SBS/SBR TPVs during the uniaxial loading-unloading cycles. Compatibilized HIPS/SBR TPV had the relatively lower stress and internal friction loss.
卷号：28
期号：8
是否译文：否
