Prediction of phase morphology of PP/POE/PA6 ternary blend and influence by mixing sequence

doi:10.3969/j.issn.0438-1157.2013.06.051

CIESC Journal ›› 2013, Vol. 64 ›› Issue (6): 2285-2290.DOI: 10.3969/j.issn.0438-1157.2013.06.051

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Prediction of phase morphology of PP/POE/PA6 ternary blend and influence by mixing sequence

LI Ke, HUANG Hanxiong

Center for Polymer Processing Equipment and Intellectualization, South China University of Technology, Guangzhou 510640, Guangdong, China

Received:2012-09-27 Revised:2012-12-30 Online:2013-06-05 Published:2013-06-05
Supported by:
supported by the National Natural Science Foundation of China(11172105)and the Natural Science Foundation of Guangdong Province(S2011010002085).

PP/POE/PA6三元共混物相形态的预测及受混炼顺序的影响

黎珂, 黄汉雄

华南理工大学塑料橡胶装备及智能化研究中心,广东广州 510640

通讯作者: 黄汉雄
作者简介:黎珂(1984—),男,博士研究生。
基金资助:
国家自然科学基金项目(11172105);广东省自然科学基金项目(S2011010002085)。

Abstract

Abstract: The phase morphology of polypropylene/poly (ethylene-co-octene) /polyamide 6 (PP/POE/PA6) ternary blend was predicted by using spreading coefficient and minimum free interfacial energy models. The results showed that a core (PA6) -shell (POE) structure was formed. The PP/POE/PA6 (50/25/25,mass ratio) ternary blends were prepared through two mixing sequences and their phase morphologies were investigated. It was demonstrated that when three components were blended together, POE and PA6 droplets were distributed independently in the PP matrix. When POE was blended with PA6 first, and PP was then added, both PA6 droplet and fibril were formed. For POE, some migrated into PP phase and some other encapsulated small PA6 droplets or adhered to the surface of the large PA6 fibrils. Thus, POE phase was located between PA6 and PP phases and played the role of connecting the two phases.

Key words: ternary blend, phase morphology, core-shell structure

关键词: 共混物, 相形态, 包覆结构

CLC Number:

TQ327.1

LI Ke, HUANG Hanxiong. Prediction of phase morphology of PP/POE/PA6 ternary blend and influence by mixing sequence[J]. CIESC Journal, 2013, 64(6): 2285-2290.

黎珂, 黄汉雄. PP/POE/PA6三元共混物相形态的预测及受混炼顺序的影响[J]. 化工学报, 2013, 64(6): 2285-2290.

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Prediction of phase morphology of PP/POE/PA6 ternary blend and influence by mixing sequence

PP/POE/PA6三元共混物相形态的预测及受混炼顺序的影响

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