Mechano-chemical surface modification of calcium carbonate particles by polymer grafting

被引：52
|
作者：
Wu, W [1 ]
Lu, SC
机构：
[1] Beijing Univ Chem Technol, Res Ctr High Grav Engn & Technol, Beijing, Peoples R China
[2] Univ Sci & Technol Beijing, Resource Engn Sch, Beijing 100083, Peoples R China
来源：
POWDER TECHNOLOGY | 2003年 / 137卷 / 1-2期
关键词：
polymer grafting modification; calcium carbonate; mechano-chemical effect; styrene;
D O I：
10.1016/j.powtec.2003.08.029
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
Mechanical energy released during stirred grinding of calcium carbonate particles can promote the polymerization reactions of styrene monomers on particle surfaces, allowing us to obtain modified calcium carbonate particles by polymer grafting with less initiating reagent for reducing reaction time. This paper investigates the process of polymer grafting modification activated by mechano-chemical effects, the changes of mechanical and fluid properties of High Impact Polystyrene (HIPS) plastics with modified calcium carbonate fillers, the interactions between the modifying reagents and the surface of the filler particles and the action of the mechano-chemical effect in polymer grafting modification. (C) 2003 Elsevier B.V. All rights reserved.
引用
收藏
页码：41 / 48
页数：8
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