The preparation of core-shell CaCO3 particles and its effect on mechanical property of PVC composites

被引：25

作者：

Xiong, Ying ^{[1
]}

Chen, Guangshun ^{[1
]}

Guo, Shaoyun ^{[1
]}

机构：

[1] Sichuan Univ, State Key Lab Polymer Mat Engn, Polymer Res Inst, Chengdu 610065, Peoples R China

来源：

JOURNAL OF APPLIED POLYMER SCIENCE | 2006年 / 102卷 / 02期

关键词：

poly(vinyl chloride); core-shell particles; mechanochemistry; mechanical property;

D O I：

10.1002/app.24262

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

In this study, a novel mechanochemical route to prepare core-shell structured particles was introduced. XPS, TEM, and dissolving experimental results indicate the formation of [(inorganic particle)/(elastomer)] core-shell structured particles, and several kinds of calcium carbonate (nano-CaCO3) particles with various interfaces were obtained. The mechanical properties and morphological results indicate that the surface treatment of nano-CaCO, particles and the existence of outer elastic layer will strengthen the interfacial interaction between nano-CaCO, particles and PVC matrix, which results in improvement of mechanical properties of PVC/CaCO3 composites. The theoretical calculations of the interfacial interaction and DMA results confirm these especially when the surface of nano-CaCO3 particles was treated by MMA and coated in succession by ACR through vibro-milling. (c) 2006 Wiley Periodicals, Inc.

引用

页码：1084 / 1091

页数：8

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