Fluorinated compound and fluorinated polymer
View Patent ↗To provide a fluorinated compound having an R F group with at most 6 carbon atoms, whereby a fluorinated polymer having a highly durable water/oil repellency can be produced, and an environmental load is little, and a fluorinated polymer having a highly durable water/oil repellency and presenting little environmental load, obtainable by polymerizing such a fluorinated compound. A fluorinated compound represented by the following formula (I) and its polymer: CH 2 ═C(CH 3 )COO(CH 2 ) n PhXC r F 2r+1 (I) (in the formula (I), n is an integer of from 0 to 2, Ph is a phenylene group, X is a single bond or a C 1-4 alkylene group containing an etheric oxygen atom, and r is an integer of from 2 to 6).
1. A polymerizable fluorinated monomer represented by the following formula (I):
CH 2 ═C(CH 3 )COO(CH 2 ) n PhXC r F 2+1 (I)
in the formula (I), n is an integer of from 1 to 2, Ph is a phenylene group selected from the group consisting of 1,2-phenylene, 1,3-phenylene and 1,4-phenylene, X is a single bond or a C 1-4 alkylene group containing an etheric oxygen atom, and r is an integer of from 2 to 6.
2. The polymerizable fluorinated monomer according to claim 1 , wherein Ph in the formula (I) is a 1,4-phenylene group.
3. The polymerizable fluorinated monomer according to claim 1 , wherein r in the formula (I) is an integer of from 4 to 6.
4. The polymerizable fluorinated monomer according to claim 1 , wherein X in the formula (I) is a single bond.
5. The polymerizable fluorinated monomer according to claim 1 , wherein the polymerizable fluorinated monomer represented by the formula (I) is a compound represented by any one of the following formulae (I-1) to (I-2):
6. The polymerizable fluorinated monomer according to claim 1 , wherein in the formula (I), r is an integer of from 4 to 6, and C r F 2r+1 is linear.
7. A fluorinated polymer obtained by polymerizing one member selected from the polymerizable fluorinated monomer as defined in claim 1 .
8. The fluorinated polymer according to claim 7 , which has a mass average molecular weight (Mw) of from 2,000 to 1,000,000.
9. The fluorinated polymer according to claim 8 , which has a mass average molecular weight (Mw) of from 5,000 to 500,000.