Fluorinated sulfamido amphoteric surfactants

被引：15

作者：

Coope, Tim ^{[4
]}

Moloy, Kenneth ^{[3
]}

Yake, Allison ^{[1
]}

Petrov, Viacheslava ^{[3
]}

Taylor, Charles ^{[1
]}

Hung, Ming ^{[2
]}

Peng, Sheng ^{[1
]}

机构：

[1] EI DuPont Nemours & Co, DuPont Chem & Fluoroprod, Expt Stn, Wilmington, DE 19880 USA

[2] EI DuPont Nemours & Co, DuPont Performance Polymer, Expt Stn, Wilmington, DE 19880 USA

[3] EI DuPont Nemours & Co, DuPont Cent Res & Dev, Expt Stn, Wilmington, DE 19880 USA

[4] Univ Bristol, Fac Engn, Bristol B58 1TR, Avon, England

来源：

JOURNAL OF FLUORINE CHEMISTRY | 2014年 / 161卷

关键词：

Fluorosurfactant; Fluorinated sulfamido betaine; Fluorinated sulfamido N-oxide; Surface tension; Firefighting foams; Oil field; VINYLIDENE FLUORIDE; TELOMERIZATION;

D O I：

10.1016/j.jfluchem.2014.01.022

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Two new classes of partially fluorinated amphoteric surfactants including sulfamido betaine and sulfamido amine N-oxide have been synthesized in which a fluoroalkyl chain is interrupted either by ether oxygen (-O-), or by methylene (-CH2-) units. Both classes of molecules involve multi-step syntheses via fluorinated sulfonyl chlorides (RfOCF(2)CF(2)CH(2)CH(2)SO(2)Cl, Rf=C3F, or Rf(CH2CF2) nCH(2)CH(2)SO(2)Cl, Rf=C4F9, n = 1 or 2) as intermediates. These new fluorinated surfactants are compared to commercially available fluorinated amphoteric surfactants for their performance in applications like wetting and leveling, firefighting foams, and oil field. These materials exhibit superior or comparable performance yet are more fluorine efficient because they have lower fluorine content than their perfluoroalkyl congeners. (C) 2014 Elsevier B.V. All rights reserved.

引用

页码：41 / 50

页数：10

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