Research of In Situ Polymerization and Core-Shell Structure Modified Emulsified Asphalt

Author:

Wu Jin Liang1,Zhang Yong Xing1,Zhang Chun Sun2

Affiliation:

1. Chongqing Jiaotong University

2. Jiangsu Provincial Communication Plan and Design Institute Co. LTD

Abstract

Nowadays, there are dominantly two ways of producing modified emulsified asphalt ,one of which is to emulsify modified asphalt, the other to modify asphalt emulsion. But they have the same defect that modifier cannot be evenly mixed with asphalt emulsion, which has side effect on the performance of modified emulsified asphalt. The emulsified asphalt and modifier have different traits in structure and property. In order to make the modifier disperse in asphalt emulsion evenly to improve the performance of modified emulsified asphalt, a tentative idea is brought forward: we shall utilize in-situ polymerization and core-shell structure to enhance feature of emulsified asphalt. Core-shell structure is a method of synthesizing composite material, which can assist to achieve sound effect of the two kinds of materials. The point to emphasize is, in this paper, the introduction and feasibility of the method, its specialty against current mainly methods, the difficulties encountered in practice as well as its promising prospect and the anticipated target to achieve will all be illustrated.

Publisher

Trans Tech Publications, Ltd.

Reference4 articles.

1. Hu Zeng-fu, Niu Run-lian. Discuss  the development  of the technique of modified emulsified asphalt in our country highway engineer [J]. petroleum asphalt. 2003, 17: 1-3, 12.

2. Xu Qing-lin, Hu Hui-ren. Development  and Research of Core-shell Structure Polymerization particle [J]. international paper making. 2005, 24(4): 16-21, 26.

3. Duan Chun-ying, Zhou Jin-fang, Wu Zhi-shen, The preparation and token of polystyrene/Ag Core-shell Structure nanometer particle [J]. Transactions of physical chemistry . 2003, 19(11): 1049-1053.

4. Xie Min, Li Jun-ping, He Pei-xin. The preparation of Core-shell Structure polystyrene/polymethyl methacrylate acrylic methylester compound latex[J]. Colloidn and Polymer . 2003, 21(1): 24-26.

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