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首页> 外文期刊>Journal of Applied Polymer Science >A double-tailed acrylamide hydrophobically associating polymer: Synthesis, characterization, and solution properties
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A double-tailed acrylamide hydrophobically associating polymer: Synthesis, characterization, and solution properties

机译：双尾丙烯酰胺疏水缔合聚合物：合成，表征和溶液性质

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摘要

In order to improve the salt resistant, temperature tolerance, and stability of the acrylamide-based copolymer, the double-tailed hydrophobically associating copolymer (DTHAP) was synthesized. The chemical and spatial network structures of the copolymer were characterized by Fourier transform infrared spectroscopy (FT-IR), nuclear magnetic resonance spectroscopy (NMR), and environmental scanning electron microscope (ESEM). The salt, temperature, aging resistance, and rheological behavior of the copolymer were investigated in detail. The experimental results showed that the performance of DTHAP were influenced by the amount of AA, PETMAM, SDS, and NaCl in the reaction system. Compared with HPAM, DTHAP solution showed excellent temperature resistance and salt tolerance. No matter in the solution varying NaCl or CaCl2 concentration from 8 to 80 and 1 to 1.8 g/L, respectively, DTHAP behaved an obvious salt-thickening phenomenon. The simulative tertiary oil recovery tests at 80 degrees C indicated that DTHAP can remarkably enhance 16.9% of the oil recovery ratio. Even at 100 g/L salt solution, DTHAP exhibited an excellent performance which can also enhance 9.9% of oil recovery ratio. The experiment results indicated that DTHAP was superior to HPAM as a kind of oil displacement agent for enhanced oil recovery, especially in high-temperature and high-mineralization oil fields. (c) 2015 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2015, 132, 42569.
机译：为了提高丙烯酰胺基共聚物的耐盐性，耐温性和稳定性，合成了双尾疏水缔合共聚物（DTHAP）。通过傅立叶变换红外光谱（FT-IR），核磁共振光谱（NMR）和环境扫描电子显微镜（ESEM）对共聚物的化学和空间网络结构进行了表征。详细研究了共聚物的盐分，温度，耐老化性和流变行为。实验结果表明，反应体系中AA，PETMAM，SDS和NaCl的用量会影响DTHAP的性能。与HPAM相比，DTHAP溶液显示出优异的耐温性和耐盐性。无论溶液中的NaCl或CaCl2浓度分别从8到80 g / L和从1到1.8 g / L改变，DTHAP都表现出明显的盐增稠现象。在80摄氏度下进行的模拟三次采油试验表明，DTHAP可以显着提高采油率的16.9％。即使在100 g / L的盐溶液中，DTHAP也表现出出色的性能，还可以提高9.9％的采油率。实验结果表明，DTHAP作为一种驱油剂在提高采油率方面优于HPAM，特别是在高温高矿化油田。 （c）2015 Wiley Periodicals，Inc. J. Appl。 Polym。科学2015，132，42569。

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