Preparation of Nano-silica Fume Coating Rubber Composite Particle and Its Application in Toughening the Oil Well Cement Stone

被引：0

作者：

Wu, Chengbao ^{[1
,2
]}

Gai, Guosheng ^{[2
]}

Tian, Ju ^{[1
]}

Yang, Yufen ^{[2
]}

Liu, Chuansheng ^{[1
]}

Kong, Lei ^{[1
]}

Wang, Jian ^{[1
]}

机构：

[1] Guangzhou Civil Aviat Coll, Sch Aircraft Maintenance Engn, Guangzhou 510470, Guangdong, Peoples R China

[2] Tsinghua Univ, Sch Mat Sci & Technol, Beijing 10084, Peoples R China

来源：

PROCEEDINGS OF THE 2017 4TH INTERNATIONAL CONFERENCE ON MACHINERY, MATERIALS AND COMPUTER (MACMC 2017) | 2017年 / 150卷

关键词：

Nano-silica fume; Rubber particle; Composite particles; Oil well cement stone; Toughening; DIFFERENT TEMPERATURES; MECHANICAL-PROPERTIES; HYDRATION;

D O I：

暂无

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

A kind of nano-silica fume coating rubber composite particles was prepared by the Particle Composite System (PCS), and the adhesion performance of composite particles was tested by the high-speed agitating test, the composite particles were filled into the oil well cement slurry to toughen the oil well cement stone. The results indicated that the surface of the rubber particles is coated with nano-silica layer, and the composite particles are grey; the adhesion between the silica fume and the rubber particles is good; the elastic modulus of oil well cement stone reduces by 20% and the Possion ratio increases by 5.1% as the filler fraction is 4 wt.%. Therefore, the nano-silica fume coating rubber composite particles can improve the toughness of oil well cement stone.

引用

页码：557 / 561

页数：5

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