Organic fluorine compound, lubricant, and processing method of magnetic recording medium
According to one aspect of the present invention, an organic fluorine compound is represented by a general formula (R-π-E-CH 2 -A-CH 2 -E′) n -π′-G (1B) (where n is an integer of 2 to 5, A is a divalent perfluoropolyether group, π is an arylene group or a single bond, R is an alkenyl group or an alkynyl group, and E and E′ are each independently an ether bond or an ester bond or a group that is represented by a chemical formula —O—CH 2 CH(OH)CH 2 O— π′ is a group in which n+1 hydrogen atoms are separated from benzene, G is an organic group containing a fullerene skeleton, the n number of groups each of which is represented by a general formula R-π-E-CH 2 -A-CH 2 -E′- may be the same or different, and at least one π among the n number of π is an arylene group).
1. An organic fluorine compound that is represented by a general formula
{(R-π-E-CH 2 -A-CH 2 -E′) n -π′} 2 -G (1B)
where n is an integer of 2 to 5, A is a divalent perfluoropolyether group, π is an arylene group or a single bond, R is an alkenyl group or an alkynyl group, and E and E′ are each independently an ether bond or an ester bond or a group that is represented by a chemical formula
—O—CH 2 CH(OH)CH 2 O—
π′ is a group in which n+1 hydrogen atoms are separated from benzene, G is an organic group containing a fullerene skeleton, the n number of groups each of which is represented by a general formula
R-π-E-CH 2 -A-CH 2 -E′-
may be the same or different, and at least one π among then number of π is an arylene group,
wherein the organic flourine compound is a compound that is represented by a chemical formula
each of the p and q being an average degree of polymerization and an order of (CF 2 O) and (CF 2 CF 2 O) in R f 1 is arbitrary.
2. The organic fluorine compound according to claim 1 , wherein a carbon number of the A is 1 to 100.
3. The organic fluorine compound according to claim 1 , wherein an average formula weight of the A is in a range of 250 to 6000.
4. A lubricant containing the organic fluorine compound according to claim 1 .
5. A processing method of a magnetic recording medium comprising:
applying the lubricant according to claim 4 to the magnetic recording medium; and
irradiating the lubricant applied to the magnetic recording medium with ultraviolet light.
6. The organic fluorine compound according to claim 1 , wherein a formula weight of the R f 1 is approximately 1300.