Synthesis and Performance of a Salt-Tolerant Poly(AM/NVP/APEG/DMAAC-18) Polymer

IF 1.3 4区工程技术 Q3 CHEMISTRY, ORGANIC

Petroleum Chemistry Pub Date : 2024-03-09 DOI:10.1134/S096554412311004X

Haiyang Tian, Jiapeng Zheng, Tong Peng, Xiaoping Qin

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Abstract

A salt-tolerant polymer based on hydrophobically associating water-soluble polymers of 1-vinyl-2-pyrrolidone, allyl polyethylene glycol, acrylamide, and N,N′-dimethyl octadecyl allyl ammonium chloride has been synthesized. Salt thickening and rheological performance of the polymer solutions have been studied. Polymer solutions have demonstrated an excellent uninterruptedly thickening ability within a wide range of salt concentrations. When concentrations of NaCl and CaCl₂ reached 19.9 and 19.3%, the apparent viscosity of a 1% polymer solution increased to 660 and 330 mPa s, respectively. Meanwhile, polymer solutions containing high NaCl or CaCl₂ concentrations showed good viscoelasticity, shear resistance, and temperature resistance. A scanning electron microscopy showed that increase in a salt concentration enhanced the hydrophobic association strength of polymer solutions and increased the density of the formed network structure, which was macroscopically manifested as a viscosity increase. The results of this study may promote the research and development of polymers resistant to extreme salt concentrations.

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耐盐性聚（AM/NVP/APEG/DMAAC-18）聚合物的合成与性能

摘要以 1-乙烯基-2-吡咯烷酮、烯丙基聚乙二醇、丙烯酰胺和 N,N′-二甲基十八烷基烯丙基氯化铵的疏水缔合水溶性聚合物为基础，合成了一种耐盐聚合物。对聚合物溶液的盐增稠和流变性能进行了研究。聚合物溶液在很宽的盐浓度范围内都表现出了出色的不间断增稠能力。当 NaCl 和 CaCl2 的浓度分别达到 19.9% 和 19.3% 时，1% 聚合物溶液的表观粘度分别增至 660 和 330 mPa s。同时，含有高浓度 NaCl 或 CaCl2 的聚合物溶液显示出良好的粘弹性、抗剪切性和耐温性。扫描电子显微镜显示，盐浓度的增加增强了聚合物溶液的疏水结合强度，提高了所形成网络结构的密度，这在宏观上表现为粘度的增加。这项研究的结果可促进耐极端盐浓度聚合物的研究和开发。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Petroleum Chemistry 工程技术-工程：化工

CiteScore

2.50

自引率

21.40%

发文量

102

审稿时长

6-12 weeks

期刊介绍： Petroleum Chemistry (Neftekhimiya), founded in 1961, offers original papers on and reviews of theoretical and experimental studies concerned with current problems of petroleum chemistry and processing such as chemical composition of crude oils and natural gas liquids; petroleum refining (cracking, hydrocracking, and catalytic reforming); catalysts for petrochemical processes (hydrogenation, isomerization, oxidation, hydroformylation, etc.); activation and catalytic transformation of hydrocarbons and other components of petroleum, natural gas, and other complex organic mixtures; new petrochemicals including lubricants and additives; environmental problems; and information on scientific meetings relevant to these areas. Petroleum Chemistry publishes articles on these topics from members of the scientific community of the former Soviet Union.