Physicochemical principles of hydrophobization of mineral binders by additives produced from peat raw material

被引：4
|
作者：
Misnikov, O. S. [1 ]
机构：
[1] Tver State Tech Univ, Tver 170026, Russia
来源：
THEORETICAL FOUNDATIONS OF CHEMICAL ENGINEERING | 2006年 / 40卷 / 04期
关键词：
Humic Acid; Bitumen; Fulvic Acid; Cement Particle; Physicochemical Principle;
D O I：
10.1134/S0040579506040130
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
The results of theoretical and experimental studies aimed at developing a method for hydrophobization of mineral binders and building materials based on them by additives extracted from the organic matter of peat are presented. The processes occurring in heat treatment of peat are studied by analyzing the conversion of groups of chemical substances contained in peat. An increase in the concentration of hydrophobic compounds in thermal destruction of peat raw material is substantiated. The hydrophobizing effect of the additives is based on the formation of water-repellent adsorption films of bitumen compounds on cement particles. A working hypothesis of the mechanism of their formation is advanced.
引用
收藏
页码：423 / 430
页数：8
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