耐温抗盐聚合物PAMA的表征及溶液性能研究  

STUDY ON CHARACTERIZATION OF HEAT-RESISTANT AND SALT-TOLERANT POLYMER PAMA AND PROPERTIES OF ITS SALTING SOLUTION

作　　者：王伟[1] 杨怀军[1] 闫云贵[1] 王淼[2] 

机构地区：[1]大港油田采油工艺研究院,天津300280 [2]天津工程职业技术学院

出　　处：《石油炼制与化工》2014年第2期31-34,共4页Petroleum Processing and Petrochemicals

基　　金：国家自然科学基金资助项目(No.51074172)

摘　　要：合成了新型单体4-烯丙基庚烷基苯酚(AHP),然后以丙烯酰胺(AM)为主要原料、引入单体AHP,同时引入适量的2-丙烯酰胺基-2-甲基丙磺酸(AMPS),采用水溶液自由基胶束聚合法合成了疏水缔合AM-AMPS-AHP三元共聚物(PAMA)。利用1H-NMR和FT-IR分别对AHP和PAMA进行表征。考察AHP加入量、聚合物浓度、NaCl浓度和温度对共聚物溶液黏度的影响。结果表明,引入AHP单体使共聚物具有优良的增黏和抗盐能力,含AHP(摩尔分数为1.0%)、质量浓度为1 500mg/L的PAMA溶液在53℃、20 000mg/L NaCl盐水中的黏度达到178.6mPa·s,在90℃、7 000mg/L NaCl盐水中的黏度达到110.8mPa·s,显示出良好的耐温、抗盐性能。A macromonomer 4-allyl-heptylphenol （AHP） was synthesized. The hydrophobic associ- ation acrylamide copolymer （PAMA） was synthesized using acrylamide （AM）, AHP and 2-acrylamido- 2-methylpropanesulfonic acid （AMPS） by aqueous micelle free radical copolymerization technique. The macromonomer and copolymer were characterized by 1H-NMR and FT-IR. The effect of AHP dosage, polymer concentration, NaCl concentration and temperature on the viscosity of copolymer solution was tested. The results indicate that the copolymer exhibits good thickening and salt tolerant property by addition of AHP. The apparent viscosity of 1 500 mg/L PAMA with AHP （mole fraction of 1%） in 20 000 mg/L brine solution is up to 178. 6 mPa · s at 53 ℃,and the viscosity of 1 500 mg/L PAMA with AHP （mole fraction of 1%） in 7 000 mg/L brine solution is 110. 8 mPa · s at 90℃. PAMA displays a good heat-resistant property.

关 键 词：丙烯酰胺 2-丙烯酰胺基-2-甲基丙磺酸 疏水缔合 三元聚合物 

分 类 号：TE39[石油与天然气工程—油气田开发工程]