C16格尔伯特醇聚氧烷烯醚硫酸盐的制备及其界面性能研究

TQ423; 用C16格尔伯特醇经共聚加成环氧丙烷(PO)和环氧乙烷(EO),再经氨基磺酸硫酸化合成了一种支链烷基醇醚硫酸盐(C16GA-PES).这种新型阴-非复合型表面活性剂具有优良的水溶性、耐盐性和表面活性.45℃下溶于大庆地层水,单独即可将大庆轻质原油/地层水界面张力降至超低;对稍重质的大庆三类油层油,使用该表面活性剂与少量亲油性更强的表面活性剂混合,亦可将界面张力降至超低.这种新型结构表面活性剂吸附在油/水界面形成的单分子层具有从强亲油到弱亲油-弱亲水再到强亲水的过渡结构,而双烷基链又赋予单分子层较高的烷基链密度,从而增强了单分子层与油分子的相互作用,易于将原油/水界面张力降至超低....

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Published in日用化学工业 Vol. 52; no. 10; pp. 1055 - 1061
Main Authors 陈琪, 冉立君, 陈钊, 崔正刚
Format Journal Article
LanguageChinese
Published 江南大学 化学与材料工程学院 合成与生物胶体教育部重点实验室,江苏 无锡 214122 22.10.2022
Subjects
共聚
驱油剂
醇醚硫酸盐
超低界面张力
支链烷基
Online AccessGet full text
ISSN1001-1803
DOI10.3969/j.issn.1001-1803.2022.10.004

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Abstract TQ423; 用C16格尔伯特醇经共聚加成环氧丙烷(PO)和环氧乙烷(EO),再经氨基磺酸硫酸化合成了一种支链烷基醇醚硫酸盐(C16GA-PES).这种新型阴-非复合型表面活性剂具有优良的水溶性、耐盐性和表面活性.45℃下溶于大庆地层水,单独即可将大庆轻质原油/地层水界面张力降至超低;对稍重质的大庆三类油层油,使用该表面活性剂与少量亲油性更强的表面活性剂混合,亦可将界面张力降至超低.这种新型结构表面活性剂吸附在油/水界面形成的单分子层具有从强亲油到弱亲油-弱亲水再到强亲水的过渡结构,而双烷基链又赋予单分子层较高的烷基链密度,从而增强了单分子层与油分子的相互作用,易于将原油/水界面张力降至超低.与相应的嵌段中间体相比,共聚所得非离子中间体黏度显著降低,便于管道输送并且有利于采用SO3气体降膜式硫酸化工艺制备硫酸盐.
AbstractList TQ423; 用C16格尔伯特醇经共聚加成环氧丙烷(PO)和环氧乙烷(EO),再经氨基磺酸硫酸化合成了一种支链烷基醇醚硫酸盐(C16GA-PES).这种新型阴-非复合型表面活性剂具有优良的水溶性、耐盐性和表面活性.45℃下溶于大庆地层水,单独即可将大庆轻质原油/地层水界面张力降至超低;对稍重质的大庆三类油层油,使用该表面活性剂与少量亲油性更强的表面活性剂混合,亦可将界面张力降至超低.这种新型结构表面活性剂吸附在油/水界面形成的单分子层具有从强亲油到弱亲油-弱亲水再到强亲水的过渡结构,而双烷基链又赋予单分子层较高的烷基链密度,从而增强了单分子层与油分子的相互作用,易于将原油/水界面张力降至超低.与相应的嵌段中间体相比,共聚所得非离子中间体黏度显著降低,便于管道输送并且有利于采用SO3气体降膜式硫酸化工艺制备硫酸盐.
Author 陈琪
陈钊
冉立君
崔正刚
AuthorAffiliation 江南大学 化学与材料工程学院 合成与生物胶体教育部重点实验室,江苏 无锡 214122
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Zhao Chen
Zhenggang Cui
Qi Chen
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Keywords 共聚
驱油剂
醇醚硫酸盐
超低界面张力
支链烷基
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Snippet TQ423; 用C16格尔伯特醇经共聚加成环氧丙烷(PO)和环氧乙烷(EO),再经氨基磺酸硫酸化合成了一种支链烷基醇醚硫酸盐(C16GA-PES).这种新型阴-非复合型表面活性剂具有优良的水...
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Title C16格尔伯特醇聚氧烷烯醚硫酸盐的制备及其界面性能研究
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