以硬脂酸、N,N-二甲基-1,3-丙二胺制备了硬脂酸酰胺丙基二甲基叔胺中间体,再与环氧氯丙烷、苄溴、溴丁烷、苄氯、溴癸烷、氯代甘油等季铵化试剂反应,生成一系列硬脂酸酰胺型季铵盐。通过IR光谱,1 H NMR,ESI-MS等手段对中间体及目标产物...以硬脂酸、N,N-二甲基-1,3-丙二胺制备了硬脂酸酰胺丙基二甲基叔胺中间体,再与环氧氯丙烷、苄溴、溴丁烷、苄氯、溴癸烷、氯代甘油等季铵化试剂反应,生成一系列硬脂酸酰胺型季铵盐。通过IR光谱,1 H NMR,ESI-MS等手段对中间体及目标产物进行表征,并对季铵盐产物的表面化学性能及抗菌性能等进行了测定。结果表明:系列硬脂酸酰胺型季铵盐具有良好的表面化学性能,cmc可达到10-4 mol/L;具有较好的抗菌性能,对大肠杆菌EC、金黄色葡萄球菌SA、海氏肠球菌EH、铜绿假单胞菌PA等菌种具有不同程度的抑制效果,是一种环境友好的抗菌剂。展开更多
Due to the poor salt tolerance and heat resistance of the partially hydrolyzed acryl amide in the reservoir of high temperature and high inorganic salt,and the poor ability of shear,the hydrophobically associating ter...Due to the poor salt tolerance and heat resistance of the partially hydrolyzed acryl amide in the reservoir of high temperature and high inorganic salt,and the poor ability of shear,the hydrophobically associating terpolymers acrylamide\|hexadecyl ally ammonium chloride\|2\|acrylamino\|2\|metyl propane sulfuric acid (AM\|C 16 DMAAC\|AMPS) is prepared by micelle polymerization with the nonionic monomer\|AM,the anionic monomer\|AMPS,the cationic monomer\|C 16 DMAAC,It is investigated that the effect of the content of the hydrophobic monomer,anionic monomer,cationic monomer,reaction temperature and the concentration of the inorganic salt and the surfactant on the viscosity of the hydrophobically associating aqueous soluble terpolymers in brine.The results show that the aqueous soluble hydrophobically associating terpolymers(1000?mg/L) have good viscofication effect in brine(20000?mg/L),when the content of the hydrophobic monomer is 1\^2%,and of the anionic monomer is 30%,the hydrophobically associating terpolymers can meet the need of polymer flooding in reservoir of the high concentration inorganic salt.展开更多
文摘以硬脂酸、N,N-二甲基-1,3-丙二胺制备了硬脂酸酰胺丙基二甲基叔胺中间体,再与环氧氯丙烷、苄溴、溴丁烷、苄氯、溴癸烷、氯代甘油等季铵化试剂反应,生成一系列硬脂酸酰胺型季铵盐。通过IR光谱,1 H NMR,ESI-MS等手段对中间体及目标产物进行表征,并对季铵盐产物的表面化学性能及抗菌性能等进行了测定。结果表明:系列硬脂酸酰胺型季铵盐具有良好的表面化学性能,cmc可达到10-4 mol/L;具有较好的抗菌性能,对大肠杆菌EC、金黄色葡萄球菌SA、海氏肠球菌EH、铜绿假单胞菌PA等菌种具有不同程度的抑制效果,是一种环境友好的抗菌剂。
文摘Due to the poor salt tolerance and heat resistance of the partially hydrolyzed acryl amide in the reservoir of high temperature and high inorganic salt,and the poor ability of shear,the hydrophobically associating terpolymers acrylamide\|hexadecyl ally ammonium chloride\|2\|acrylamino\|2\|metyl propane sulfuric acid (AM\|C 16 DMAAC\|AMPS) is prepared by micelle polymerization with the nonionic monomer\|AM,the anionic monomer\|AMPS,the cationic monomer\|C 16 DMAAC,It is investigated that the effect of the content of the hydrophobic monomer,anionic monomer,cationic monomer,reaction temperature and the concentration of the inorganic salt and the surfactant on the viscosity of the hydrophobically associating aqueous soluble terpolymers in brine.The results show that the aqueous soluble hydrophobically associating terpolymers(1000?mg/L) have good viscofication effect in brine(20000?mg/L),when the content of the hydrophobic monomer is 1\^2%,and of the anionic monomer is 30%,the hydrophobically associating terpolymers can meet the need of polymer flooding in reservoir of the high concentration inorganic salt.
文摘通过光化学合成方法分别在高温(50℃)和室温(28℃)下实现了N,N-二甲基丙烯酰胺(DMAA)和N-异丙基丙烯酰胺(NIPAm)的交联共聚,制备了两种不同结构的P(DMAA-co-NIPAm)共聚物水凝胶.对两种温度下制备的P(DMAA-co-NIPAm)共聚物水凝胶的网络结构、溶胀与消溶胀速率和温度敏感性等方面进行了比较研究.结果发现,50℃下制备的P(DMAA-co-NIPAm)共聚物凝胶具有较为疏松的网络结构和相对较快的溶胀速率及温度响应特性.光化学合成方法较传统的热聚合制备方法具有简便、快捷的特点,合成过程仅需2 min.
