驱油用醇醚羧酸盐的合成与表征  

Synthesis and characterization of polyoxyethylene alkyl ether carboxylic salt for oil displacing

作　　者：黄新杰 王冠华[1] 石先亚 史景岩 HUANG Xin-jie;WANG Guan-hua;SHI Xian-ya;SHI Jing-yan(China Oilfield Services Limited,Tianjin 300459,China)

机构地区：[1]中海油田服务股份有限公司,天津300459

出　　处：《精细与专用化学品》2023年第6期27-29,共3页Fine and Specialty Chemicals

摘　　要：以聚氧乙烯烷基醇醚为原料,利用羧甲基化法合成了驱油用醇醚羧酸盐。用两相滴定的方法测定其产率,并通过核磁共振、红外光谱等方法对原料及产物进行表征。优选出的最佳合成条件为:以乙醇为溶剂,氯乙酸钠和氢氧化钠分别分2次加入,取代时间为4h,取代温度为60℃,聚氧乙烯烷基醇醚、氯乙酸钠和氢氧化钠物质的量比为1:2:4。Alcohol ether carboxylate for oil displacement was synthesized by carboxymethylation with polyoxyethylene alkyl alcohol ether as raw material.The optimized synthesis conditions were as follows:ethanol was needed as solvent,sodium chloroacetate(CEA-Na)and sodium hydroxide(NaOH)were added respectively at twice,the optimum time of substitution was 4hour,the optimum temperature of substitution was 60℃,and the optimum molar ratio of polyoxyethylene alkyl ether,CEA-Na and NaOH was 1:2:4.

关 键 词：醇醚羧酸盐 表面活性剂 结构表征 

分 类 号：TE39[石油与天然气工程—油气田开发工程]