Abstract: To provide a fluorinated polymer which can be heat-cured at low temperature (from room temperature to 150° C.). A fluorinated polymer containing units represented by the following formula (1): wherein 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 having at least 2 carbon atoms and having an etheric oxygen atom between carbon atoms, Z1 is NR1—Y1, O—Y2 or S—Y3, R1 is a hydrogen atom, an alkyl group or an aryl group, and Y1, Y2 and Y3 are each independently a group having at least one hydrolyzable silyl 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: 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 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 fluorinated polymer which can be heat-cured at low temperature (from room temperature to 150° C.). A fluorinated polymer containing units represented by the following formula (1): wherein 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 having at least 2 carbon atoms and having an etheric oxygen atom between carbon atoms, Z1 is NR1—Y1, O—Y2 or S—Y3, R1 is a hydrogen atom, an alkyl group or an aryl group, and Y1, Y2 and Y3 are each independently a group having at least one hydrolyzable silyl group.

Abstract: To provide an adhesive excellent in heat resistance and adhesive property. An adhesive comprising a fluorinated polymer having a weight average molecular weight (Mw) of from 6×103 to 3×104 and having iodine atoms at both terminals, and a radical generator. The fluorinated polymer has structural units derived from at least one monomer selected from the group consisting of tetrafluoroethylene, vinylidene fluoride, hexafluoropropylene and a perfluoro(alkyl vinyl ether).

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 novel fluorinated aromatic compound having at least two carbon-carbon unsaturated bonds, a method for its production, a curable material comprising the fluorinated aromatic compound, a cured product thereof, and an optical member. The fluorinated aromatic compound is represented by formula (A), wherein n is an integer of 0 to 6, a is an integer of 0 to 5, b is an integer of 0 to 4, c is an integer of 0 to 4, a+c+n is 2 to 6, a+b is 2 to 9, Z is a single bond, —O—, —S—, —CO—, —C(CH3)2—, —C(CF3)2—, —SO—, or —SO2—, Rf1 is a C1-8 fluoroalkyl group, Y1 and Y2 are each independently a group represented by formula (1) (s is 0 or 1, and R1, R2, R3, and R4 are each independently a hydrogen atom or a fluorine atom), and F in the aromatic ring indicates that hydrogen atoms in the aromatic ring are all substituted by fluorine atoms.

Abstract: To provide a crosslinkable fluorinated elastomer composition which is excellent in crosslinking reactivity and of which a crosslinked product is excellent in heat resistance and chemical resistance. The crosslinkable fluorinated elastomer composition comprises a fluorinated elastomer (e.g. a tetrafluoroethylene/perfluoro(alkyl vinyl ether) copolymer) and an aromatic compound having at least two crosslinkable unsaturated double bonds (e.g. a compound represented by the formula (A-1)), and the crosslinked product is one obtained by crosslinking the crosslinkable fluorinated elastomer composition.

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 an adhesive excellent in heat resistance and adhesive property. An adhesive comprising a fluorinated polymer having a weight average molecular weight (Mw) of from 6×103 to 3×104 and having iodine atoms at both terminals, and a radical generator. The fluorinated polymer has structural units derived from at least one monomer selected from the group consisting of tetrafluoroethylene, vinylidene fluoride, hexafluoropropylene and a perfluoro(alkyl vinyl ether).

Abstract: To provide a crosslinkable fluorinated elastomer composition which is excellent in crosslinking reactivity and of which a crosslinked product is excellent in heat resistance and chemical resistance. The crosslinkable fluorinated elastomer composition comprises a fluorinated elastomer (e.g. a tetrafluoroethylene/perfluoro(alkyl vinyl ether) copolymer) and an aromatic compound having at least two crosslinkable unsaturated double bonds (e.g. a compound represented by the formula (A-1)), and the crosslinked product is one obtained by crosslinking the crosslinkable fluorinated elastomer composition.

Abstract: To provide a novel fluorinated aromatic compound having at least two carbon-carbon unsaturated bonds, a method for its production, a curable material comprising the fluorinated aromatic compound, a cured product thereof, and an optical member. The fluorinated aromatic compound is represented by formula (A), wherein n is an integer of 0 to 6, a is an integer of 0 to 5, b is an integer of 0 to 4, c is an integer of 0 to 4, a+c+n is 2 to 6, a+b is 2 to 9, Z is a single bond, —O—, —S—, —CO—, —C(CH3)2—, —C(CF3)2—, —SO—, or —SO2—, Rf1 is a C1-8 fluoroalkyl group, Y1 and Y2 are each independently a group represented by formula (1) (s is 0 or 1, and R1, R2, R3, and R4 are each independently a hydrogen atom or a fluorine atom), and F in the aromatic ring indicates that hydrogen atoms in the aromatic ring are all substituted by fluorine atoms.

Abstract: To provide a laminate which is thin and light in weight, which has excellent gas barrier properties, flexibility and durability, and which is excellent in the flatness. A glass sheet/fluororesin laminate comprising a glass sheet having a thickness of from 10 to 500 ?m, and a fluororesin coated layer preferably having a thickness of from 0.1 to 1,000 ?m. Particularly, the thickness ratio of the fluororesin coated layer to the glass sheet is preferably from 0.001 to 10 by the fluororesin coated layer/the glass sheet. Further, the transmittance at a wavelength of from 400 to 700 nm is preferably at least 80%. Further, this laminate is suitable as a protective plate. Still further, this laminate is suitably applied to a photoelectric conversion element.

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: To provide a composition from which a transparent and tough film can be produced, a cured product formed from the composition, and a film comprising the cured product. A composition comprising a fluorinated olefin/vinyl alcohol copolymer, a predetermined alkoxysilane compound or its oligomer, a solvent and a hydrolysis/condensation catalyst, wherein the solvent is at least one member selected from the group consisting of a C3-10 ketone compound, a C2-10 nitrile compound, a C3-10 amide compound in which a hydrogen atom bonded to the nitrogen atom may be substituted by a C1-5 alkyl group, and a predetermined ether compound.

Abstract: To provide a fluorinated curable resin composition which is excellent in thermal stability and thermal adhesive property. A fluorinated curable resin composition comprising a fluoropolymer (P) having a polymerizable double bond and a thiol compound (S), wherein the fluoropolymer (P) is a copolymer having repeating units derived from a fluoromonoene (a) and a fluorodiene (b) having a residual unsaturated side chain, and the content of the thiol compound (S) is from 0.01 to 1 part by mass per 100 parts by mass of the fluoropolymer (P).