Abstract: A core-shell particle including a core containing a perfluoropolymer and a shell containing a non-fluorine resin, the core having a periphery coated with the non-fluorine resin at a coverage of 90% or more, the perfluoropolymer being a polymer containing a polymerized unit based on a perfluoro monomer in an amount of 90 mol % or more relative to all polymerized units, and the shell having a mass of 50 or less relative to a total mass of the core and the shell of 80. Also disclosed is a method for producing the core-shell particle.

Abstract: A core-shell particle including a core containing a perfluoropolymer and a shell containing a non-fluorine resin, the core having a periphery coated with the non-fluorine resin at a coverage of 90% or more, the perfluoropolymer being a polymer containing a polymerized unit based on a perfluoro monomer in an amount of 90 mol % or more relative to all polymerized units, and the shell having a mass of 50 or less relative to a total mass of the core and the shell of 80. Also disclosed is a method for producing the core-shell particle.

Abstract: The present invention provides a laminated article having improved adhesion of the fluorine-containing resin layer to the elastomer layer. The laminated article comprises a fluorine-containing resin layer (a) formed using a fluorine-containing resin having a carbonyl group, an olefin group or an amino group at an end of a polymer trunk chain or an end of a polymer side chain, and an elastomer layer (b) formed using an elastomer composition.

Abstract: The present invention provides a laminated article having improved adhesion of the fluorine-containing resin layer to the elastomer layer. The laminated article comprises a fluorine-containing resin layer (a) formed using a fluorine-containing resin having a carbonyl group, an olefin group or an amino group at an end of a polymer trunk chain or an end of a polymer side chain, and an elastomer layer (b) formed using an elastomer composition.

Abstract: The present invention relates to a fluorine-containing resin composition for molding comprising a fluorine-containing resin (A) and a hydrofluoric acid scavenger (B), in which the hydrofluoric acid scavenger (B) is organopolysiloxane. According to the present invention, a fluorine-containing resin composition which can reduce an amount of hydrofluoric acid released from a fluorine-containing resin and inhibits corrosiveness can be provided.

Abstract: The present invention relates to a fluorine-containing resin composition for molding comprising a fluorine-containing resin (A) and a hydrofluoric acid scavenger (B), in which the hydrofluoric acid scavenger (B) is organopolysiloxane. According to the present invention, a fluorine-containing resin composition which can reduce an amount of hydrofluoric acid released from a fluorine-containing resin and inhibits corrosiveness can be provided.

Abstract: The present invention provides a fluorine-containing resin being excellent in mold-processability and providing an electric wire jacket having excellent flame retardance, low smoke releasing property, flexibility and mechanical properties. The fluorine-containing resin is a resin for an electric wire jacket substantially comprising, as a resin component, only a fluorine-containing copolymer having a MFR of 11 to 27 g/10 min and comprising tetrafluoroethylene and a perfluoro ethylenically unsaturated compound represented by the formula: CF2?CF—Rf1, wherein Rf1 represents —CF3 and/or —ORf2; Rf2 represents a perfluoroalkyl group having 1 to 5 carbon atoms. The present invention also provides an electric wire jacket.

Abstract: Highly ozone-resistant molding/shaped articles inclusive of piping materials and joints for use in semiconductor production lines, molding materials for ozone-resistant molding/shaped articles which are suited for the production of the molding/shaped articles, and ozone-resistant injection-molded articles and relevant injection-molding materials. Also disclosed is a molding material for ozone-resistant molding/shaped articles including a copolymer (A) and having a melt flow rate of 0.1–50 g/10 minute. The copolymer (A) is a copolymer including tetrafluoroethylene and a perfluorovinylether, and has not less than 3.5 mass % of a perfluorovinylether unit, a melting point of not less than 295° C., and not more than 50 of unstable terminal groups per 1×106 carbon atoms in the copolymer (A).

Abstract: The present invention provides highly ozone-resistant molding/shaped articles inclusive of piping materials and joints for use in semiconductor production lines, molding materials for ozone-resistant molding/shaped articles which are suited for the production of said molding/shaped articles, and ozone-resistant injection-molded articles and relevant injection-molding materials. The present invention is directed to a molding material for ozone-resistant molding/shaped articles comprising a copolymer (A) and having a melt flow rate of 0.1-50 g/10 minutes, wherein said copolymer (A) is a copolymer comprising tetrafluoroethylene and a perfluorovinylether, and has not less than 3.5 mass % of a perfluorovinylether unit, a melting point of not less than 295° C.

Abstract: A fluorine-containing resin molded article can be obtained by putting it between smooth molds having a surface roughness (Ra) of not more than 50 .ANG. and compression-molding it under molding conditions of a molding temperature of 270.degree. to 340.degree. C., a molding pressure of not less than 10 kg/cm.sup.2 and compression time of not less than 2 minutes, to give smoothed fluorine-containing resin molded article having a surface roughness of not more than 500 .ANG.. Particles, metal impurities, organic impurities or the like are difficult to adhere to the surface of the article, and can be removed significantly by washing.