ASPHALT-POLYOLEFIN EMULSION BREAKDOWN

被引：62

作者：

HESP, SAM

WOODHAMS, RT

机构：

[1] Department of Chemical Engineering and Applied Chemistry, University of Toronto, Toronto, M5S 1A4, Ontario

来源：

COLLOID AND POLYMER SCIENCE | 1991年 / 269卷 / 08期

关键词：

POLYETHYLENE; ASPHALT; EMULSION BREAKDOWN; POLYMER MODIFICATION; COALESCENCE;

D O I：

10.1007/BF00657449

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

An analysis of factors controlling the stability of asphalt-polyolefin emulsions is given. From flocculation kinetics and changes in particle size distributions, it is concluded that the major cause of instability is due to Brownian coalescence followed by gravitational flocculation and creaming. A cyclical change in the particle size distribution, indicative of simultaneous flocculation and creaming, is observed only in the final stages of the emulsion breakdown.

引用

页码：825 / 834

页数：10

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