母料配方对PE-HD/E-TMB共混物结晶行为的影响  

Effect of the Master Batch Formula on the Crystalline Behavior of PE-HD/E-TMB Blends

作　　者：樊卫华[1,2] 郭凯[2] 刘玉坤[2] 白娟[2] 陈金周[2] 王经武[2] 

机构地区：[1]郑州大学护理学院,郑州450052 [2]郑州大学材料科学与工程学院,郑州450052

出　　处：《工程塑料应用》2012年第5期66-69,共4页Engineering Plastics Application

摘　　要：用增韧母料(E-TMB)分别与高密度聚乙烯(PE-HD)2200J(HE1)、5000S(HE2)热机械共混制得HE1/E-TMB和HE2/E-TMB共混物,研究了E-TMB中弹性体配比(M/N)、基体树脂和弹性体配比(H/E)对共混物结晶行为的影响,并将其和简单共混对照样对比。结果表明,与纯PE-HD和简单共混物对照样相比,HE1/E-TMB和HE2/E-TMB的结晶起始温度升高,且随M/N比值的减小而增大,随H/E比值的减小而减小;HE1/E-TMB的结晶焓减小而成核速率和结晶速度增大,HE2/E-TMB的结晶焓增大而成核速率和结晶速度减小,HE2/E-TMB的成核速率随M/N比值的减小而减小。HE1 /E-TMB and HE2 /E-TMB blends were prepared by the thermal mechanical blending of toughening master batch （ E-TMB ）with 2200J PE-HD （ HE1 ）and 5000S PE-HD （ HE2 ）, and the effects of elastomer ratio （ M/N ）and the ratio of matrix resin to elastomer （ H / E ） in E-TMB on the crystalline behavior of PE-HD / E-TMB were investigated, and which were contrast to PE-HD / elastomer blends.The results showed that the initial crystallization temperature of HE1 / E-TMB and HE2 / E-TMB blends was all higher than that of the pure PE-HD and PE-HD / elastomer, and gradually increased with the ratio of M to N decreasing and decreased with the ratio of H to E decreasing.The enthalpy change of crystallization of HE1 / E-TMB was smaller than that of HE1 and HE1 / E-TMB.The nuclearation rate and the crystallization rate of HE1 / E-TMB （ M / N ） blends was all higher than that of the pure HE 1 and HE 1 /elastomer （ M/N ）.The enthalpy change of crystallization of HE2 /E-TMB was higher than that of the pure HE2 and HE2 /elastomer, but their nuclearation rate and crystallization rate was contrary.The nuclearation rate of HE2 / E-TMB gradually decreased with the ratio of M to N decreasing.

关 键 词：高密度聚乙烯 增韧母料 结晶行为 

分 类 号：TQ325.1[化学工程—合成树脂塑料工业] TQ325.2