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
在催化剂过氧磷钨酸十二烷基吡啶盐(Cat-PW4)的作用下,α-蒎烯与H2O2反应生成主要产物(3R,4R)-4,7,7-三甲基-6-氧杂二环[3.2.1]辛烷-3,4-二醇。不同反应条件对反应转化率和选择性的实验结果表明,最佳反应条件为:12.8 mmolα-蒎烯、5 m ...在催化剂过氧磷钨酸十二烷基吡啶盐(Cat-PW4)的作用下,α-蒎烯与H2O2反应生成主要产物(3R,4R)-4,7,7-三甲基-6-氧杂二环[3.2.1]辛烷-3,4-二醇。不同反应条件对反应转化率和选择性的实验结果表明,最佳反应条件为:12.8 mmolα-蒎烯、5 m L溶剂三氯甲烷、0.2 g催化剂、3.3 m L 30%H2O2,反应温度40℃,反应时间3 h,α-蒎烯转化率和产物的选择性分别为94.7%和39.8%。反应结束后,该产物存在于水相和有机相中,通过萃取和重结晶分离提纯,得率11%,纯度达到98%;其分子结构通过红外光谱、紫外光谱、1H核磁共振谱、13C核磁共振谱、低分辨率质谱及高分辨率质谱确证。展开更多
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.
文摘在催化剂过氧磷钨酸十二烷基吡啶盐(Cat-PW4)的作用下,α-蒎烯与H2O2反应生成主要产物(3R,4R)-4,7,7-三甲基-6-氧杂二环[3.2.1]辛烷-3,4-二醇。不同反应条件对反应转化率和选择性的实验结果表明,最佳反应条件为:12.8 mmolα-蒎烯、5 m L溶剂三氯甲烷、0.2 g催化剂、3.3 m L 30%H2O2,反应温度40℃,反应时间3 h,α-蒎烯转化率和产物的选择性分别为94.7%和39.8%。反应结束后,该产物存在于水相和有机相中,通过萃取和重结晶分离提纯,得率11%,纯度达到98%;其分子结构通过红外光谱、紫外光谱、1H核磁共振谱、13C核磁共振谱、低分辨率质谱及高分辨率质谱确证。
