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首页> 外文期刊>Journal of Applied Polymer Science >Intrinsic viscosity, rheological property, and oil displacement of hydrophobically associating fluorinated polyacrylamide
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Intrinsic viscosity, rheological property, and oil displacement of hydrophobically associating fluorinated polyacrylamide

机译：疏水相关氟化聚丙烯酰胺的固有粘度，流变性能和油位移

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The surface-active polymer (FPAM) was synthesized by free-radical polymerization of acrylamide (AM), 2-acrylamido-2-methyl-1-propane sulfonic acid (AMPS) and N-dodecyl-N-perfluoro octane sulfonyl acrylamide (AMPD), which was prior prepared by reacting dodecylamine, perfluoro-1-octanesulfonyl fluoride, and acryloyl chloride. Parameters affecting the intrinsic viscosity ([eta]) and apparent viscosity (eta) of FPAM, such as reaction temperature, AMPD concentration, AMPS concentration, monomer concentration, initiator concentration, and pH were examined. Apparent viscosity and interfacial tension (IFT) of FPAM solution were evaluated. Subsequently, temperature tolerance and shear tolerance were investigated by comparing with hydrolyzed polyacrylamide (HPAM), and results indicated that the FPAM displayed better performances than HPAM. FPAM can reduce the IFT between crude oil/water, and the IFT values are around at 2.91 and 3.9 mN m(-1) corresponding to FPAM and HPAM/FC-118. The sandpack model oil displacement experiment showed that water flooding can further increase the oil recovery to 15.01% (FPAM), compared with 9.26% oil recovery for HPAM, and 10.99% oil recovery for HPAM/FC-118. The glass micromodel techniques for studying enhanced oil recovery get a good result and provide a useful reference for understanding the displacement behaviors in polymer flood process. It could be concluded that the introduction of fluorinated groups in the polymer chain was helpful in enhancing the oil displacement efficiency. (C) 2016 Wiley Periodicals, Inc.
机译：通过丙烯酰胺（AM），2-丙基丙酰胺-2-甲基-1-丙烷磺酸（AMPS）和N-十二烷基-N-全氟辛烷磺基丙烯酰胺（AMPD）通过自由基聚合（FPAM）合成。 ），通过使十二烷基胺，全氟-1-辛烷磺酰芳酯和丙烯酰氯反应以前制备。检查FPAM的特性粘度（η）和表观粘度（ETA）的参数，例如反应温度，AMPD浓度，AMPS浓度，单体浓度，引发剂浓度和pH。评价FPAM溶液的表观粘度和界面张力（IFT）。随后，通过与水解的聚丙烯酰胺（HPAM）进行比较来研究耐温耐受性和抗剪切耐受，结果表明FPAM比HPAM显示出更好的表现。 FPAM可以减少原油/水之间的IFT，IFT值在2.91和3.9mN m（-1）对应于FPAM和HPAM / FC-118。 Sandpack模型油位移实验表明，水淹可以进一步将石油回收率提高至15.01％（FPAM），而HPAM的9.26％的石油回收率为9.26％，HPAM / FC-118的储蓄10.99％。用于研究增强的采油的玻璃微模仪技术得到了良好的结果，并为理解聚合物洪水过程中的位移行为提供了有用的参考。可以得出结论，聚合物链中的氟化基团的引入有助于提高油位移效率。 （c）2016 Wiley期刊，Inc。

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