To provide a decorative film, whereby formation of wrinkles is suppressed when bonded to a three dimensional molded product in a stretched state, a method for producing a decorative film, a method for producing a decorative film-attached three dimensional molded product, and a fluorinated polymer composition. The decorative film of the present invention is a decorative film having at least a base film layer and a fluorinated layer containing a crosslinked fluorinated polymer, wherein the crosslinked fluorinated polymer is a crosslinked product of a crosslinkable polymer comprising units based on a fluoroolefin and units having a crosslinkable group, and the average molecular weight between crosslinking groups of the crosslinked fluorinated polymer is from 500 to 50,000.

The present invention relates to a composition for manufacturing a passivation layer, and specifically, to a composition for manufacturing a passivation layer and a passivation layer formed using the composition, which simultaneously exhibit effects such as a low dielectric constant, a low water absorption rate, excellent pattern formability, and excellent adhesion to an adherend surface.

A composition including a polymer and at least one compound selected from a reactive polydialkylsiloxane and a fluoropolyether, the polymer containing a perhaloolefin unit and a hydroxy group-containing monomer unit and having a hydroxyl value of 110 to 210 mgKOH/g.

To provide a fluorinated copolymer composition capable of forming a crosslinked rubber having favorable rubber properties and excellent metal adhesion, and a metal rubber laminate using the crosslinked rubber.

A fluorinated copolymer composition comprising a copolymer having units based on tetrafluoroethylene and units based on propylene, a copolymer having units based on tetrafluoroethylene and units based on a perfluoro(alkyl vinyl ether), or a copolymer having units based on hexafluoropropylene and units based on vinylidene fluoride, hydrophilic silica, and an acid acceptor.

The present disclosure relates to a photocrosslinkable fluoropolymer coating composition, a coating layer comprising a photocrosslinked fluoropolymer and a process for forming the coating layer. Coating layers comprising the crosslinked fluoropolymer have low dielectric constants, low water absorptivity, good adhesion to conventional electronic device substrates, and are able to be photoimaged so as to provide the very fine features needed for modern electronic devices.

The present invention is a fluorine-containing copolymer including (A) a fluoroolefin in an amount of 15 to 85 mol % of all constituent monomers; (B) a specific organosilicon compound in an amount of 0.001 to 10 mol % of all the constituent monomers; (C) one or more monomers selected from vinyl ethers, vinyl esters, methacrylic esters and acrylic esters, the one or more monomers not having a curing reactive group and having an aliphatic saturated hydrocarbon group with 1 to 20 carbons, a glass transition temperature of a homopolymer of the monomer being lower than 0 C., in an amount of 5 to 40 mol % of all the constituent monomers; and (D) one or more monomers selected from vinyl ethers, vinyl esters, allyl ethers, methacrylic esters and acrylic esters, and having a curing reactive group, in an amount of 1 to 25 mol % of all the constituent monomers, wherein the fluorine-containing copolymer has a glass transition temperature of 30 C. to 20 C., a number average molecular weight of 2.010.sup.4 to 7.010.sup.4, and a weight average molecular weight of 1.010.sup.5 to 3.010.sup.5.

The present invention is a fluorine-containing copolymer including (A) a fluoroolefin in an amount of 15 to 85 mol % of all constituent monomers; (B) a specific organosilicon compound in an amount of 0.001 to 10 mol % of all the constituent monomers; (C) one or more monomers selected from vinyl ethers, vinyl esters, methacrylic esters and acrylic esters, the one or more monomers not having a curing reactive group and having an aliphatic saturated hydrocarbon group with 1 to 20 carbons, a glass transition temperature of a homopolymer of the monomer being lower than 0 C., in an amount of 5 to 40 mol % of all the constituent monomers; and (D) one or more monomers selected from vinyl ethers, vinyl esters, allyl ethers, methacrylic esters and acrylic esters, and having a curing reactive group, in an amount of 1 to 25 mol % of all the constituent monomers, wherein the fluorine-containing copolymer has a glass transition temperature of 30 C. to 20 C., a number average molecular weight of 2.010.sup.4 to 7.010.sup.4, and a weight average molecular weight of 1.010.sup.5 to 3.010.sup.5.

To provide a fluorinated coating material capable of forming a coating film excellent in water repellency and substrate adhesion. Further, to provide a method for producing the coating material, a coated article and its production method.

A fluorinated coating material comprising a fluorinated polymer having the following units F, the following units 1 and the following units 2:

units F: at least one type of units selected from the group consisting of units based on CF.sub.3CHCHF and units based on CF.sub.3CFCH.sub.2;

units 1: at least one type of units selected from the group consisting of units having a carboxy group, units based on allyl alcohol and units based on a hydroxyalkyl allyl ether;

units 2: at least one type of units selected from the group consisting of units based on a vinyl ether, units based on a vinyl ester, units based on an allyl ether (excluding a hydroxyalkyl allyl ether), units based on an allyl ester and units based on a (meth)acrylic acid ester.

To provide a decorative film whereby formation of wrinkles is suppressed when attached to a three dimensional molded product in a stretched state, and a method for producing a decorative film-attached three dimensional molded product. The decorative film of the present invention is a decorative film having at least a base film and a top layer containing a fluorinated polymer, the top layer being disposed on one surface, wherein the surface reflection intensity Wa at a wavelength of from 0.1 to 0.3 mm and the surface reflection intensity Wb at a wavelength of from 0.3 to 1.0 mm, of the top layer as measured by using a wave scan apparatus in such a state that the decorative film is stretched by 1.5 times, are both at most 30.0.

The present invention provides a processing aid for polyolefins capable of improving the processability in processing polyolefins at a temperature lower than 220 C. and a high shear rate. The processing aid for polyolefins is intended to be used in processing a polyolefin at a temperature lower than 220 C., and contains a fluoropolymer that includes a polymerized unit (a) based on CF.sub.2CFCF.sub.3 and a polymerized unit, (b) based on at least one selected from the group consisting of monomers represented by CH.sub.2CX.sup.11Y.sup.11 and monomers represented by CF.sub.2CX.sup.21Y.sup.21.