Abstract: A method of producing a fluorine-containing compound is a method of producing a compound (30) having partial structure (3) by an insertion reaction of compound (20) into compound (10) that has partial structure (1), in the presence of an ionic catalyst formed from a specific monovalent anion and a counter cation. In the formulas, * represents a bonding site, and X1 and R1 to R4 each independently represents a hydrogen atom, a fluorine atom, a chlorine atom, or an organic group having a carbon number of 1 to 20 which may have a substituent.

Abstract: The present invention relates to a method of producing a polymer including: polymerizing a compound represented by the following formula (3); or copolymerizing the compound represented by the following formula (3) with a compound (6) having a reactive carbon-carbon double bond and differing from the compound represented by the following formula (3), in a presence of at least one compound selected from the group consisting of compounds represented by the following formula (1) and compounds represented by the following formula (2).

Abstract: A curable composition capable of being cured at a low temperature of from room temperature to 150° C. is provided. The curable composition comprises a fluorinated polymer containing at least three functional groups represented by the following formula (F) and at least one curing agent selected from the group consisting of an isocyanate-type curing agent, a blocked isocyanate-type curing agent and an amino resin-type curing agent: —Rf1COZ1??(F) (in the formula (1), Rf1 is a fluoroalkylene group, or a fluoroalkylene group with at least two carbon atoms having an etheric oxygen atom between carbon-carbon atoms, Z1 is NR1NR2H or NR3OR4, and R1, R2, R3 and R4 are each independently a hydrogen atom or an alkyl group.

Abstract: An electric wire and coil covered with a cured product of a heat- or photo-curable fluorinated polymer and having high insulating properties and high productivity. An electric wire having a conductor wire and a covering layer covering the outer periphery of the conductor wire. The covering layer is made of a cured product of a curable composition which has a fluorinated polymer containing at least three functional groups represented by the following formula (F): —Rf1COZ1 (F). In formula (F), Rf1 is a single bond, a fluoroalkylene group, or a fluoroalkylene group with at least two carbon atoms having an etheric oxygen atom between carbon-carbon atoms, Z1 is NR1NR2H, NR3OR4 or OR5, and R1, R2, R3, R4 and R5 are each independently a hydrogen atom or an alkyl group.

Abstract: To provide a microchannel chip which is a chip provided internally with an inner space that can be used as a flow channel, and which is excellent in drug non-absorption properties of the channel. The microchannel chip has formed therein a plurality of openings H1, H2 and an inner space S connecting the plurality of openings H1, H2, and at least a part of the surface in contact with the inner space S is made of a fluorinated copolymer containing from 5 to 99 mol % of units based on CF2?CFX (X is a fluorine atom, a chlorine atom or CF3).

Abstract: The present invention relates to a method of producing a polymer including: polymerizing a compound represented by the following formula (3); or copolymerizing the compound represented by the following formula (3) with a compound (6) having a reactive carbon-carbon double bond and differing from the compound represented by the following formula (3), in a presence of at least one compound selected from the group consisting of compounds represented by the following formula (1) and compounds represented by the following formula (2).

Abstract: To provide an electric wire and coil covered with a cured product of a heat- or photo-curable fluorinated polymer and having high insulating properties and high productivity. An electric wire comprising a conductor wire and a covering layer covering the outer periphery of the conductor wire, wherein the covering layer is made of a cured product of a curable composition comprising a fluorinated polymer containing at least three functional groups represented by the following formula (F): —Rf1COZ1??(F) (in the formula (F), Rf1 is a single bond, a fluoroalkylene group, or a fluoroalkylene group with at least two carbon atoms having an etheric oxygen atom between carbon-carbon atoms, Z1 is NR1NR2H, NR3OR4 or OR5, and R1, R2, R3, R4 and R5 are each independently a hydrogen atom or an alkyl group.

Abstract: A curable composition capable of being cured at a low temperature of from room temperature to 150° C. is provided. The curable composition comprises a fluorinated polymer containing at least three functional groups represented by the following formula (F) and at least one curing agent selected from the group consisting of an isocyanate-type curing agent, a blocked isocyanate-type curing agent and an amino resin-type curing agent: —Rf1COZ1 ??(F) (in the formula (1), Rf1 is a fluoroalkylene group, or a fluoroalkylene group with at least two carbon atoms having an etheric oxygen atom between carbon-carbon atoms, Z1 is NR1NR2H or NR3OR4, and R1, R2, R3 and R4 are each independently a hydrogen atom or an alkyl group.

Abstract: To provide a process for producing a fluorinated crosslinked product which is excellent in stability and produces less HF. A process for producing a fluorinated crosslinked product, which comprises irradiating a fluorinated polymer having a unit represented by the following formula (1), with active energy rays having a wavelength of from 150 to 300 nm: wherein X1 and X2 are each independently a hydrogen atom or a fluorine atom, Rf1 is a fluoroalkylene group or a fluoroalkylene group having at least two carbon atoms and an etheric oxygen atom between carbon-carbon atoms, Q1 is a single bond or an etheric oxygen atom, and Z1 is OH, OR1 or NR2R3, wherein R1 is an alkyl group, and R2 and R3 are each independently a hydrogen atom or an alkyl group.

Abstract: 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), Z1 is NR1NR2H or NR3OR4: in the formula (1), X1 and X2 are each independently a hydrogen atom or a fluorine atom, Q1 is a single bond or an etheric oxygen atom, Rf1 is a fluoroalkylene group, or a fluoroalkylene group with at least 2 carbon atoms, having an etheric oxygen atom between carbon-carbon atoms, Z1 is NR1NR2H, NR3OR4 or OR5, R1, R2, R3 and R4 are each independently a hydrogen atom or an alkyl group, and R5 is an alkyl group.

Abstract: 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), Z1 is NR1NR2H or NR3OR4: in the formula (1), X1 and X2 are each independently a hydrogen atom or a fluorine atom, Q1 is a single bond or an etheric oxygen atom, Rf1 is a fluoroalkylene group, or a fluoroalkylene group with at least 2 carbon atoms, having an etheric oxygen atom between carbon-carbon atoms, Z1 is NR1NR2H, NR3OR4 or OR5, R1, R2, R3 and R4 are each independently a hydrogen atom or an alkyl group, and R5 is an alkyl group.

Abstract: To provide a process for producing a fluorinated crosslinked product which is excellent in stability and produces less HF. A process for producing a fluorinated crosslinked product, which comprises irradiating a fluorinated polymer having a unit represented by the following formula (1), with active energy rays having a wavelength of from 150 to 300 nm: wherein X1 and X2 are each independently a hydrogen atom or a fluorine atom, Rf1 is a fluoroalkylene group or a fluoroalkylene group having at least two carbon atoms and an etheric oxygen atom between carbon-carbon atoms, Q1 is a single bond or an etheric oxygen atom, and Z1 is OH, OR1 or NR2R3, wherein R1 is an alkyl group, and R2 and R3 are each independently a hydrogen atom or an alkyl group.

Abstract: To provide a curable fluorinated polymer which is excellent in curability, and a fluorinated polymer cured product which is excellent in heat resistance and chemical resistance and which exhibits excellent properties as an elastomer. A curable fluorinated polymer having constituent units (A) based on fluoromonoenes (a) and constituent units (B) based on a non-cyclopolymerizable fluorodiene (b), in which the content of polymerizable double bonds is from 0.01 to 0.5 mmol/g, and of which the intrinsic viscosity is from 0.1 to 1 dL/g, and a fluorinated polymer cured product obtained by curing the curable fluorinated polymer in the presence of an organic peroxide.

Abstract: The present invention provides a curable composition which can yield a fluorinated cured product excellent in transparency, light resistance, heat resistance, and mechanical strength, and minimally damaged by stress concentration. The invention relates to a curable composition comprising a perfluoro polymer (a) containing a unit derived from a perfluorodiene having two polymerizable carbon-carbon double bonds, wherein two carbon atoms in one carbon-carbon double bond form the main chain, and the other carbon-carbon double bond forms a side chain; a perfluorocyclic monoene (b) having at least 8 carbon atoms, which has an alicyclic structure made of carbon atoms and optionally containing an oxygen atom, and one polymerizable carbon-carbon double bond, wherein at least one of two carbon atoms forming the carbon-carbon double bond is a carbon atom constituting the alicyclic structure; and a polymerization initiator (i).

Abstract: It is an object to provide a curable composition which has a high curing rate and is excellent in productivity, and from which a fluorinated cured product having excellent dimensional stability can be obtained by suppressing volume shrinkage by bubbling during the curing reaction, and a process for producing such a curable composition. A curable composition comprising a polymerizable compound having a polymerizable double bond, wherein the mass ratio of a polymerizable compound (P) having a molecular weight of at least 1,000 is at least 90 mass % to all polymerizable compounds in the curable composition, and the polymerizable compound (P) contains a fluoropolymer (X) having a molecular weight of at least 1,000 having specific repeating units.

Abstract: To provide a curable composition which provides a fluorinated cured product excellent in transparency, light resistance, heat resistance and mechanical strength and hardly damaged by stress concentration. A curable composition comprising a perfluoro polymer (a) containing a unit derived from a perfluorodiene having two polymerizable carbon-carbon double bonds, wherein two carbon atoms in one carbon-carbon double bond form the main chain, and the other carbon-carbon double bond forms a side chain; a perfluorocyclic monoene (b) having at least 8 carbon atoms, which has an alicyclic structure made of carbon atoms and optionally containing an oxygen atom, and one polymerizable carbon-carbon double bond, wherein at least one of two carbon atoms forming the carbon-carbon double bond is a carbon atom constituting the alicyclic structure; and a polymerization initiator (i).