FLUORINE-CONTAINING ETHER COMPOUND, LUBRICANT FOR MAGNETIC RECORDING MEDIUM, AND MAGNETIC RECORDING MEDIUM
申请人:SHOWA DENKO K.K.
公开号:US20220048882A1
公开(公告)日:2022-02-17
The fluorine-containing ether compound is represented by the following formula (1): R
1
-R
2
—CH
2
—R
3
—CH
2
—R
4
. In the formula (1), R
1
is represented by the following formula (2), R
2
is represented by the following formula (3), R
3
is a perfluoropolyether chain, and R
4
is an organic end group different from R
1
-R
2
- and contains two or three polar groups, wherein each polar group is bonded to a different carbon atom, and the carbon atoms to which the polar groups are bonded are bonded to one another via a linking group containing a carbon atom to which the polar group is not bonded. In the formula (2), r is 1 to 3. In the formula (3), w is 2 or 3.