Ultrasonic characterization of phase morphology of high density polyethylene/polyamide 6 blend melts
Ultrasonic characterization of phase morphology of high density polyethylene/polyamide 6 blend melts
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高密度聚乙烯/聚酰胺 6 共混熔体相形态的超声表征
DOI：
10.1002/pen.22087
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发表时间：
2012-02
影响因子：
3.2
通讯作者：
Guo, Shaoyun
中科院分区：
文献类型：
--
作者：
Wang, Shan;Lin, Congmei;Sun, Huimin;Chen, Fan;Li, Jiang;Guo, Shaoyun
采用超声诊断系统研究了高密度聚乙烯（HDPE）/聚酰胺6（PA 6）共混物熔体的液滴-基体微结构。共混物的组成，以及分散的PA 6相的粒径控制通过添加不同量的反应性增容剂HDPE接枝马来酸酐（HDPE-g-MAH），分别与超声波的速度和衰减。结果表明，超声波速度对粒径不敏感，但与共混物组成呈线性关系。但随着HDPE-g-MAH含量的增加，超声衰减率降低，说明超声衰减率与粒径有很大关系。进一步的研究表明，过量衰减与分散相的尺寸之间存在良好的线性关系。我们的研究结果表明，超声波技术可以作为一个有前途的技术，探索在加工过程中的聚合物共混物的相形态。Polym.工程科学，2012.© 2011年塑料工程师协会
The high density polyethylene (HDPE) and polyamide 6 (PA6) blend melts with a droplet-matrix microstructure were investigated using ultrasonic diagnosis system. The blend composition, as well as the particle size of the dispersed PA6 phase controlled by adding various amounts of the reactive compatibilizer HDPE grafted with maleic anhydride (HDPE-g-MAH), was, respectively, correlated with the ultrasonic velocity and attenuation. The results showed that ultrasonic velocity was insensitive to the particle size but varied linearly with the blend composition. However, the decrease of ultrasonic attenuation with the increasing content of HDPE-g-MAH suggested that the attenuation depended greatly on the particle size. Further investigations revealed that there was a good linear relationship between the excess attenuation and the size of the dispersed phase. Our results present that ultrasonic technique may be served as a promising technique for exploring phase morphology of polymer blends during processing. POLYM. ENG. SCI., 2012. © 2011 Society of Plastics Engineers
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3.2
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通讯作者：
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