Hybrid nanoparticles with different surface chemistries show higher efficiency in compatibilizing immiscible polymer blends

被引：30

作者：

Chen, Guangling ^{[1
]}

Li, Peng ^{[1
]}

Huang, Yajiang ^{[1
]}

Kong, Miqiu ^{[1
]}

Lv, Yadong ^{[1
]}

Yang, Qi ^{[1
]}

Li, Guangxian ^{[1
]}

机构：

[1] Sichuan Univ, Coll Polymer Sci & Engn, State Key Lab Polymer Mat Engn China, Chengdu 610065, Peoples R China

来源：

COMPOSITES SCIENCE AND TECHNOLOGY | 2014年 / 105卷

基金：

中国国家自然科学基金;

关键词：

Polymer matrix composites (PMCs); Synergism; Compatibilization; CONFINED CRYSTALLIZATION PHENOMENA; SIZED PA6 DROPLETS; FRACTIONATED CRYSTALLIZATION; CARBON NANOTUBES; DISPERSED MICROMETER; SILICA NANOPARTICLES; ELECTRICAL-CONDUCTIVITY; SPHERICAL-PARTICLES; POLYSTYRENE MATRIX; PS MATRIX;

D O I：

10.1016/j.compscitech.2014.09.013

中图分类号：

TB33 [复合材料];

学科分类号：

摘要：

This study demonstrated that a higher efficiency of fumed silica nanoparticles in compatibilizing polypropylene (PP)/polystyrene (PS) blends can be achieved by replacing a small portion of hydrophobic nanoparticles (R974) with hydrophilic ones (A200). Calorimetric and morphological analysis indicated that both hydrophobic and hydrophilic silica nanoparticles possessed good morphological refinement effect on the PP/PS (20/80) blends through different compatibilization mechanisms. The two-step mixing method was more efficient than the one-step mixing method in preparing blends with compatibilized morphology. A higher refinement of the domain size and more profound fractionated crystallization phenomenon in PP/PS blends were observed with simultaneously adding R974 nanosilica and a small amount of A200 nanosilica. This suggested that different compatibilization mechanisms of nanosilica could work synergistically to refine the morphology of polymer blends. (C) 2014 Elsevier Ltd. All rights reserved.

引用

页码：37 / 43

页数：7

共 35 条

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