重质碳酸钙改性研究进展

摘要/Abstract

摘要： 表面改性对提高重质碳酸钙的应用价值和性能有着至关重要的作用,是重质碳酸钙的主要加工技术之一。本文首先介绍了重质碳酸钙的理化性质及改性目的,然后根据重质碳酸钙表面改性工艺的不同,将改性方法分为物理涂覆改性、表面化学改性、机械力化学改性、表面沉积改性和高能表面改性5类,并分别总结了这几种改性方法的特点及改性剂的选择。最后说明重质碳酸钙的改性研究将会向专用化、尺寸纳米化和绿色环保化发展。

关键词: 重质碳酸钙粉体, 改性方法, 团聚, 表面活性剂, 机理

Abstract: The surface modification is one of the main processing technologies of ground calcium carbonate,it plays an important role in improving the application value and performance of ground calcium carbonate.This paper introduces the physical and chemical properties of ground calcium carbonate and its modified purpose.According to the surface modification process, the modified method is divided into physical coating modification, surface chemical modification, mechanical chemical modification, surface deposition modification and high energy surface modification.We summarized the characteristics of those modified methods and the selection of modifiers.The modification of ground calcium carbonate will develop towards specialization, size of nano and green environment protection.

Key words: ground calcium carbonate powders, modification methods, agglomeration, surfactants, mechanism

王千, 谭必恩. 重质碳酸钙改性研究进展[J]. 化工进展, 2015, 34(s1): 137-143.

WANG Qian, TAN Bi. Research progress on ground calcium carbonate modification[J]. Chemical Industry and Engineering Progree, 2015, 34(s1): 137-143.

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