METHODS OF MAKING FLUORINATED ETHERS, FLUORINATED ETHERS, AND USES THEREOF
申请人:Flynn Richard M.
公开号:US20100108934A1
公开(公告)日:2010-05-06
A method of making a fluorinated ether includes combining, in a polar aprotic solvent: a fluorinated alcohol represented by the formula X—R
f
1
CH
2
OH, and a fluorinated sulfonate ester represented by the formula R
f
2
CH
2
OS(═O)
2
R
f
3
, and base; and obtaining a fluorinated ether represented by the formula Y—R
f
1
CH
2
OCH
2
R
f
2
—Y. R
f
1
is selected from perfluorinated C
1
-C
10
alkylene groups having from 1 to 10 carbon atoms and partially fluorinated C
1
-C
10
alkylene groups, and derivatives thereof having catenated heteroatom(s). X represents H, F, or an HOCH
2
— group. R
f
2
is selected from perfluorinated C
1
-C
10
alkyl groups and partially fluorinated C
1
-C
10
alkyl groups, and derivatives thereof having catenated heteroatom(s). R
f
3
is a C
1
-C
4
alkyl group. Y represents H, F, or an R
f
2
CH
2
OCH
2
— group. A variant method, useful for preparing symmetric fluorinated ethers, is also disclosed. The present disclosure also provides fluorinated ethers preparable according to the methods. Use of fluorinated ethers in various applications is also disclosed.