A powder coating material which has excellent blocking resistance and can form coating films excellent in water repellency is provided. The powder coating material of the present invention comprises a fluorinated polymer comprising from 20 to 80 mol % of units based on at least one species selected from the group consisting of CF.sub.3—CH═CHF and CF.sub.3—CF═CH.sub.2, from 18 to 60 mol % of units based on a monomer represented by the formula X.sup.1—Z.sup.1 (wherein X.sup.1 is a specific monovalent polymerizable group, and Z.sup.1 is a specific alkyl group, a specific cycloalkyl group or a specific aryl group) and units having a crosslinkable group.

A number of variations may include a method including modifying fluorocopolymer polyols, diols, and related copolymers to make polymerizable materials through polymerizable unsaturation. A number of variations may include products, for example but not limited to coatings, films or painting including modifying fluorocopolymer polyols, diols, and related copolymers.

A number of variations may include a method including modifying fluorocopolymer polyols, diols, and related copolymers to make polymerizable materials through polymerizable unsaturation. A number of variations may include products, for example but not limited to coatings, films or painting including modifying fluorocopolymer polyols, diols, and related copolymers.

The present invention is directed to partially fluorinated copolymers and the production thereof. More specifically, the copolymers, which are preferably produced by a solution polymerization process, preferably have at least three units, the first unit selected from 2,3,3,3-tetrafluoropropene and 1,3,3,3-tetrafluoropropene, the second unit having a polymerized monomer selected from the vinyl esters and vinyl ethers, and the third unit having a polymerized monomer derived from a hydroxyl group-containing vinyl ether. The resulting copolymer is environmentally friendly, has favorable molecular weight characteristics, and may be shipped economically in high concentration.

The present invention is directed to partially fluorinated copolymers and the production thereof. More specifically, the copolymers, which are preferably produced by a solution polymerization process, preferably have at least three units, the first unit selected from 2,3,3,3-tetrafluoropropene and 1,3,3,3-tetrafluoropropene, the second unit having a polymerized monomer selected from the vinyl esters and vinyl ethers, and the third unit having a polymerized monomer derived from a hydroxyl group-containing vinyl ether. The resulting copolymer is environmentally friendly, has favorable molecular weight characteristics, and may be shipped economically in high concentration.

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 fluorinated copolymer dispersion, whereby it is possible to obtain an article being excellent in water-and-oil repellency and less susceptible to a decrease in the water-and-oil repellency by alkali, etc. and which presents little impact to the environment by an organic solvent; a method for its production; and an article which is excellent in water-and-oil repellency and is less susceptible to a decrease in the water-and-oil repellency by alkali, etc. The fluorinated copolymer dispersion comprises an aqueous medium and a fluorinated copolymer dispersed in the aqueous medium, wherein the fluorinated copolymer has units based on the following monomer (a) and units based on the following monomer (b), the proportion of the units based on the monomer (a) being from 20 to 60 mol % to all units constituting the fluorinated copolymer, and the fluorinated copolymer has a number average molecular weight of from 10,000 to 100,000: Monomer (a): a compound represented by CH.sub.2CHR.sup.f (R.sup.f is a C.sub.1-8 perfluoroalkyl group); and Monomer (b): a monomer copolymerizable with the monomer (a).

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.

Disclosed are protective coating compositions having enhanced gloss retention properties formed by steps comprising: (i) providing one or more fluorocopolymers by copolymerization of (1) one or more hydrofluoroolefin monomer(s) selected from the group consisting of hydrofluoroethylenes, hydrofluoropropenes, hydrofluorobutenes, hydrofluoropentenes and combinations of these, (2) one or more vinyl ester monomer(s), and (3) one or more vinyl ether monomer(s), wherein at least a portion of said vinyl ether monomer is a hydroxyl group-containing vinyl ether monomer, wherein the copolymer preferably has a number average molecular weight of greater than about 10,000; (ii) providing a VOC containing carrier for said one or more fluorocopolymers; and (iii) providing a stabilizing agent comprising: a) a radical scavenger and b) an absorber of UV light; and (iv) combining said one or more fluorocopolymers with said carrier and said stabilizing agent to produce a polymeric coating composition.

The object of the present invention is to provide a decorative film excellent in moldability and tensile strength; and a method for producing a three-dimensionally molded article with a decorative film. The decorative film of the present invention is used for decorating a three-dimensionally molded article. It is a decorative film comprising at least a substrate film layer and a clear layer, wherein the clear layer is made of a fluorinated polymer comprising units based on a fluoroolefin, units based on a monomer having no crosslinkable group, which is at least one member selected from the group consisting of a vinyl ether, a vinyl ester, an allyl ether, an allyl ester and a (meth)acrylic acid ester, and units having a crosslinkable group; and the content of the units based on a fluoroolefin is from 20 to 70 mol % to all units which the fluorinated polymer comprises.