首页> 外文期刊>Journal of Applied Polymer Science >High-Temperature Resistance Water-Soluble Copolymer Derived from Acrylamide, DMDAAC, and Functionalized Sulfonamide for Potential Application in Enhance Oil Recovery
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High-Temperature Resistance Water-Soluble Copolymer Derived from Acrylamide, DMDAAC, and Functionalized Sulfonamide for Potential Application in Enhance Oil Recovery

机译:丙烯酰胺,DMDAAC和功能化磺酰胺衍生的耐高温水溶性共聚物,可潜在地用于提高采油率

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摘要

A water-soluble poly(AM-AA-DMDAAC-TCAP) was prepared using acrylamide (AM), acrylic acid (AA), diallyl dimethyl ammonium chloride (DMDAAC), and N-allyl-4-methylbenzenesulfonamide (TCAP), and the synthesis conditions were investigated. The obtained copolymer was characterized by FTIR, ~1H-NMR, SEM, TG, and XRD. The temperature resistance and thickening function of the copolymer are improved significantly compared with that of partially hydrolyzed polyacrylamide. It is found that the viscosity of copolymer could achieve up to 53.3% retention rate at 120℃ compared to that at 30℃. About 16.6% for enhanced oil recovery is obtained by poly(AM-AA-DMDAAC-TCAP) brine solution at 65℃. In addition, the results of XRD show that 3000 mg/L copolymer combined with 10 wt % KCl solution could reduce the d-spacing of sodium montmorillonite from 18.94 to 14.86 ?exhibiting remarkable effect on inhibiting hydration of clays. All the results demonstrate that poly(AM-AA-DMDAAC-TCAP) have excellent performance for potential application in enhance oil recovery.
机译:使用丙烯酰胺(AM),丙烯酸(AA),二烯丙基二甲基氯化铵(DMDAAC)和N-烯丙基-4-甲基苯磺酰胺(TCAP)制备水溶性聚(AM-AA-DMDAAC-TCAP),研究了合成条件。通过FTIR,〜1H-NMR,SEM,TG和XRD对所得共聚物进行表征。与部分水解的聚丙烯酰胺相比,该共聚物的耐热性和增稠功能得到显着改善。结果表明,与30℃相比,共聚物在120℃下的黏度可以达到53.3%。在65℃下,通过聚(AM-AA-DMDAAC-TCAP)盐水溶液可获得约16.6%的提油率。另外,X射线衍射结果表明,将3000 mg / L的共聚物与10 wt%的KCl溶液混合,可使蒙脱土钠的d-间隔从18.94降低到14.86,对粘土的水合作用具有显着的抑制作用。所有结果表明,聚(AM-AA-DMDAAC-TCAP)具有优异的性能,可潜在地用于提高采油率。

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