Synthesis of Low-Density Heat-Resisting Polystyrene/Graphite Composite Microspheres Used as Water Carrying Fracturing Proppants

被引：43

作者：

Han, Xiaobing ^{[1
]}

Cheng, Qingxia ^{[1
]}

Bao, Feng ^{[1
]}

Gao, Jie ^{[1
]}

Yang, Yandan ^{[1
]}

Chen, Tao ^{[2
]}

Yan, Chunjie ^{[2
]}

Ma, Rui ^{[2
]}

机构：

[1] Cent China Normal Univ, Dept Chem, Wuhan 430079, Hubei, Peoples R China

[2] China Univ Geosci, Minist Educ, Engn Res Ctr Nanogeomat, Wuhan 430074, Hubei, Peoples R China

来源：

POLYMER-PLASTICS TECHNOLOGY AND ENGINEERING | 2014年 / 53卷 / 16期

基金：

中国国家自然科学基金;

关键词：

Graphite; Proppant; Low-density; Composite microspheres; Heat resisting; LIGHT-WEIGHT PROPPANTS; SUSPENSION POLYMERIZATION; NANOCOMPOSITE; COMPATIBILITY; GRAPHENE;

D O I：

10.1080/03602559.2014.919648

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Low-density heat resistamt, low-cost polystyrene (PS)/graphite microspheres were successfully synthesized via in situ suspension polymerization. Scanning electron microscopy (SEM) indicated that PS/graphite composite microspheres had good sphericity, and graphite particles were evenly dispersed in microspheres. Furthermore, density analysis illustrated that the density of composites was about 1.025-1.185g/cm(3) with good suitability for carrying water. Thermodynamic testing revealed that the thermostability of the composite was dramatically improved by the introduction of graphite, which is used deep underground. In addition, the percentage of damage decreased to 1.3% with graphite ratio of 2.5% at 68MPa. Therefore, PS/Graphite composite microspheres possess entirely feasible applications in oil exploitation as pure water carrying petroleum proppants.

引用

页码：1647 / 1653

页数：7

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