An anti-biodegradable hydrophobic sulfonate-based acrylamide copolymer containing 2,4-dichlorophenoxy for enhanced oil recovery
作者:Shaohua Gou、Yang He、Lihua Zhou、Peng Zhao、Qin Zhang、Shiwei Li、Qipeng Guo
DOI:10.1039/c5nj01821h
日期:——
We report here a novel anti-biodegradable hydrophobic acrylamide copolymer that was prepared from acrylamide, acrylic acid, sodium 3-(allyloxy)-2-hydroxypropane-1-sulfonate and N-allyl-2-(2,4-dichlorophenoxy) acetamide using the 2,2′-azobis(2-methylpropionamide) dihydrochloride initiation system. Subsequently, the copolymer was characterized by FT-IR, 1H NMR, TG-DTG and water-solubility. And the biodegradability
我们在这里报告了一种新型的抗生物降解性疏水丙烯酰胺共聚物,该共聚物由丙烯酰胺,丙烯酸,3-(烯丙氧基)-2-羟基丙烷-1-磺酸钠和N-烯丙基-2-(2,4-二氯苯氧基)乙酰胺制备而成2,2'-偶氮双(2-甲基丙酰胺)二盐酸盐引发体系。随后,通过FT-IR,1 H NMR,TG-DTG和水溶性对共聚物进行表征。可生物降解性测试表明,该共聚物不易通过以下途径被生物降解。经济合作与发展组织(OECD 301 D)建立的密闭瓶测试。同时,与部分水解的聚丙烯酰胺相比,该共聚物可以显着提高水溶液的粘度。51.9%的粘度保持率表明温度耐受性显着提高的结果。从而获得了优异的耐盐性,抗剪切性,粘弹性,长期稳定性,为提高采油率提供了良好的理论基础。另外,该共聚物表现出更强的迁移率控制能力,电阻系数为22.1,残余电阻系数为5.0,优异的油采收率提高能力为12.9%。因此,