Fluorinated polymer, method for its production, and cured product of the fluorinated polymer
View Patent ↗To provide a curable fluorinated polymer excellent in solubility in an alcohol, a method for its production and a cured product of the fluorinated polymer. A fluorinated polymer comprising units represented by the following formula (1), wherein in at least some of the units represented by the formula (1), Z 1 is NR 1 NR 2 H or NR 3 OR 4 : in the formula (1), X 1 and X 2 are each independently a hydrogen atom or a fluorine atom, Q 1 is a single bond or an etheric oxygen atom, R f1 is a fluoroalkylene group, or a fluoroalkylene group with at least 2 carbon atoms, having an etheric oxygen atom between carbon-carbon atoms, Z 1 is NR 1 NR 2 H, NR 3 OR 4 or OR 5 , R 1 , R 2 , R 3 and R 4 are each independently a hydrogen atom or an alkyl group, and R 5 is an alkyl group.
1. A fluorinated polymer comprising units represented by the following formula (1), wherein in at least some of the units represented by the formula (1), Z 1 is NR 1 NR 2 H or NR 3 OR 4 :
in the formula (1), X 1 and X 2 are each independently a hydrogen atom or a fluorine atom, Q 1 is a single bond or an etheric oxygen atom, R f1 is a fluoroalkylene group, or a fluoroalkylene group with at least 2 carbon atoms, having an etheric oxygen atom between carbon-carbon atoms, Z 1 is NR 1 NR 2 H, NR 3 OR 4 or OR 5 , R 1 , R 2 , R 3 and R 4 are each independently a hydrogen atom or an alkyl group, and R 5 is an alkyl group.
2. The fluorinated polymer according to claim 1 , wherein at least some of the units represented by the formula (1) are —[CF 2 —CF(O(CF 2 ) 3 CONHNH 2 )]— or —[CF 2 —CF(O(CF 2 ) 3 CONHOH)]—.
3. The fluorinated polymer according to claim 1 , which comprises units wherein Z 1 is NR 1 NR 2 H and units wherein Z 1 is OR 5 .
4. The fluorinated polymer according to claim 1 , which comprises units wherein Z 1 is NR 3 OR 4 .
5. The fluorinated polymer according to claim 1 , which further contains units derived from fluoroethylene.
6. The fluorinated polymer according to claim 1 , which further contains units represented by the following formula (3) (but excluding units derived from fluoroethylene):
—[CX 3 X 4 —CY 1 Y 2 ]— (3)
in the formula (3), X 3 and X 4 are each independently a hydrogen atom, a fluorine atom or a chlorine atom, Y 1 is a hydrogen atom, a fluorine atom or a chlorine atom, and Y 2 is a hydrogen atom, a fluoroalkyl group, a fluoroalkyl group with at least 2 carbon atoms, having an etheric oxygen atom between carbon-carbon atoms, a fluoroalkoxy group, a fluoroalkoxy group with at least 2 carbon atoms, having an etheric oxygen atom between carbon-carbon atoms, a fluoroalkenyl group, or a fluoroalkenyl group with at least 2 carbon atoms, having an etheric oxygen atom between carbon-carbon atoms.
7. The fluorinated polymer according to claim 1 , wherein the proportion of the group represented by —COZ 1 is from 0.1 to 4 mmol/g.
8. A method for producing the fluorinated polymer as defined in claim 1 , characterized by reacting a fluorinated polymer comprising units represented by the following formula (1a), with at least one compound selected from the group consisting of a hydrazine compound of the following formula (5) and a hydroxylamine compound represented by the following formula (6):
in formula (1a), X 1 , X 2 , Q 1 , R f1 and R 5 are as defined in claim 1 , in the formula (5), R 1 and R 2 are as defined in claim 1 , and in the formula (6), R 3 and R 4 are as defined in claim 1 .
9. A method for producing a cured product of a fluorinated polymer, characterized by subjecting the fluorinated polymer as defined in claim 1 to at least one of heating and active energy ray irradiation.
10. A light emitting device characterized by comprising a light emitting element and a cured product of the fluorinated polymer as defined in claim 1 .