聚苯乙烯/高密度聚乙烯反应共混的研究  

STUDY ON BLEND OF PS AND PE THROUGH REACTIVE PROCESSING

作　　者：王文新[1] 周持兴[1] 顾再春 

机构地区：[1]上海交通大学高分子材料研究所高分子材料工程国家重点实验室

出　　处：《高分子材料科学与工程》1998年第2期71-73,共3页Polymer Materials Science & Engineering

摘　　要：在有机过氧化物和交联剂作用下，聚苯乙烯（ＰＳ）和高密度聚乙烯（ＨＤＰＥ）在ＨＡＡＫＥ流变仪的密炼室中进行反应共混，可以达到增韧ＰＳ的目的。共混时加入适量的苯乙烯（Ｓｔ）单体，并采用两次共混的方法，有利于提高共混物强度。文中研究了过氧化物的种类、过氧化物和交联剂的浓度、苯乙烯单体、两次共混的温度、第一次共混时ＰＳ／ＰＥ的比例等因素对反应加工过程中的流变行为、共混物冲击强度及形态的影响。Reactive mixing of polystyrene(PS) and high density polyethylene(HDPE) has been carried out in a mixing chamber of a HAAKE rheocord with an organic peroxide and a coupling coagent and strength enhancement of the blends can be achieved. Styrene monomer was introduced into the system during reactive mixing, and twostepmixing method was used. Effects of peroxide species, styrene monomer, the concentrations of peroxide and coupling coagent, the temperature of the second mixing and the ratio of PS/PE of the first mixing on rheological behavior, morphology, and impact strength of the blends have been studied.

关 键 词：聚苯乙烯 高密度聚乙烯 共混 聚合 聚乙烯 

分 类 号：O631.5[理学—高分子化学] TQ316.61[理学—化学]