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首页> 外文期刊>Journal of Applied Polymer Science >Vermiculite/polyacrylamide copolymers microspheres for profile control in oilfields
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Vermiculite/polyacrylamide copolymers microspheres for profile control in oilfields

机译：蛭石/聚丙烯酰胺共聚物微球用于油田型材控制

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Polyacrylamide copolymers (PAMVT) microspheres were prepared through inverse emulsion polymerization by using acrylic acid (AA), 2-acrylamido-2-methylpropane sulfonic acid (AMPS) as functional monomers, N,N-methylene bis-acrylamide (MBA) as crosslinker and modified vermiculite (MVMT) with the single-factor experiments. The initial and swelled particle sizes were tested through the dynamic light scattering (DLS). The swelled particle size under the optimum conditions could be 1.98 m. The structure was characterized through Fourier transform infrared (FTIR), which indicated that vermiculite has successfully modified and the polymerization reaction was completed. The scanning electron microscopy (SEM) shows that MVMT was evenly filled with PAM copolymers. The water absorption capacity can be up to 80.2%. The recovery efficiency of the water flooding was increased from 69.33% to 77.56%. All these results indicated that the microspheres emulsions could be used as profile control agent to enhance the recovery efficiency. (c) 2017 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2017, 134, 44918.
机译：通过使用丙烯酸（AA），2-丙基丙酰胺-2-甲基丙烷磺酸（AMPS）作为功能单体，N，N-亚甲基双丙烯酰胺（MBA）作为交联剂，通过逆乳液聚合制备聚丙烯酰胺共聚物（PAMVT）微球。改性蛭石（MVMT），单因素实验。通过动态光散射（DLS）测试初始和膨胀的粒度。最佳条件下的膨胀粒度可为1.98米。该结构的特征在于傅里叶变换红外（FTIR），表明蛭石已成功改性并且聚合反应完成。扫描电子显微镜（SEM）表明MVMT均匀地填充有PAM共聚物。吸水能力可高达80.2％。水淹水的恢复效率从69.33％增加到77.56％。所有这些结果表明，微球乳液可用作型材控制剂以增强回收效率。 （c）2017 Wiley期刊，Inc.J.Phill。聚合物。 SCI。 2017,134,44918。

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