文章摘要
疏水缔合聚合物 AHAPAM的制备与性能评价
Preparation and Performance Evaluation of Hydrophobically Associating Polymer AHAPAM
  
DOI:
中文关键词: 疏水缔合聚合物  制备  耐温性  抗盐性
英文关键词: hydrophobically associating polymer  preparation  temperature resistance  salt tolerance
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作者单位
黄志宇1,2, 李鹏飞1,2, 饶 政3, 何 帆3, 全红平1,2, 李卓柯4 1. 西南石油大学化学化工学院 四川 成都 610500 2. 油气田应用化学四川省重点实验室 (西南石油大学) 四川 成都 610500 3. 新疆油 田公司石西油田作业区 新疆 克拉玛依 834000 4. 中国石油西南油气田公司天然气研究院 四川 成都 610213 
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中文摘要:
      为获得耐温性能良好的疏水缔合聚合物, 以丙烯酰胺 (AM)、 对苯乙烯磺酸钠 (SSS)、 N, N-二甲基十八烷基烯丙基氯化铵(DMAAC-18)为原料制备了一种两性疏水缔合聚合物 AHAPAM。通过测定 AHAPAM溶液的黏度优化了 AHAPAM的制备条件, 研究了 AHAPAM的耐温抗盐性能。结果表明, 在 DMAAC-18和 SSS摩尔分数 分别为 1.5%和 0.6%、 单体质量分数 25%、 引发剂 ((NH42S2O8与 NaHSO3摩尔比 1.2∶1) 加量 0.2%、 反应温度 45℃、pH值为 9、 反应时间 6 h的最佳合成条件下制得的 AHAPAM的临界缔合浓度值为 0.19%。AHAPAM浓度高于临界缔合浓度时, 聚合物疏水链间以分子间缔合为主并形成空间网状结构。AHAPAM 的抗温性能良好, 0.50%AHAPAM溶液在 120℃、 170 s-1下剪切 1.4 h的黏度约为90mPa·s。AHAPAM的抗盐性能较好, 在氯化钠和氯化钙加量为 18%和 15%时, AHAPAM溶液的黏度约为330 mPa· s。图 11表 6参 19
英文摘要:
      In order to obtain hydrophobically associating polymer with good temperature resistance, an hydrophobically associating amphiphilic polymer AHAPAM was synthesized by using acrylamide(AM), sodium p-styrenesulfonate(SSS), N, N-dimethyl octadecyl allyl ammonium chloride(DMAAC-18) . The preparation condition of AHAPAM was optimized by measuring the viscosity of AHAPAM solution, and the temperature resistance and salt tolerance of AHAPAM were studied. The results showed that the critical associative concentration of AHAPAM was 0.19% under optimum synthesis condition with 1.5% mole fraction of DMAAC-18, 0.6% mole fraction of SSS, 25% monomer mass fraction, 0.2% initiator(a combination of(NH42S2O8 and NaHSO3 in mole ratio 1.2∶1), 45℃ reaction temperature, 9 pH value, and 6 h reaction time. When the concentration of AHAPAM was higher than the critical associative concentration,the intermolecular association between hydrophobic chains of AHAPAM was predominant and a spatial network structure was formed. The viscosity of 0.5% AHAPAM solution was about 90 mPa·s at 120°C and 170 s-1 shearing for 1.4 h, showing good temperature resistance. The viscosity of AHAPAM solution was about 330 mPa·s when the dosage of sodium chloride and calcium chloride was 18% and 15% respectively, indicating good salt tolerance.
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