Abstract: A vinylidene fluoride resin composition which comprises (A) 10 to 95 parts by weight of a vinylidene fluoride resin, (B) 1 to 80 parts by weight of a resin having a poor compatibility with said vinylidene fluoride resin (A), and (C) 1 to 30 parts by weight of a resin having an excellent compatibility with both said vinylidene fluoride resin (A) and said resin (B), total amount of said resins (A), (B) and (C) being 100 parts by weight. The film obtained by baking the composition of the present invention has the structure that the surface side is rich in the VdF resin, and the excellent adhesion to the substrate. Consequently, the film has the excellent chemical resistance, adhesion to a substrate, and the like.

Abstract: Vinyl ethers having a carboxyl group in a form of salt are stable and is usable as materials for fluorine-containing copolymers. The vinyl ethers can provide stable monomer compositions by mixing with vinyl ethers having a free carboxyl group when the former vinyl ethers are present in an amount of not less than 1% by mole of the latter vinyl ethers. The fluorine-containing copolymer prepared by copolymerizing fluoroolefins with the vinyl ethers are useful as aqueous coatings particularly electro dip coatings.

Abstract: Powders of tetrafluoroethylene copolymer having a non-spherical particle shape, a frictional packing ratio of 20 to 200% and an average particle size of 5 to 500 .mu.m. The powders are useful for powder coatings, particularly roto-molding, roto-lining and electrostatic coating.

Abstract: Vinyl ethers having a carboxyl group in a form of salt are stable and is usable as materials for fluorine-containing copolymers. The vinyl ethers can provide sable monomer compositions by mixing with vinyl ethers having a free carboxyl group when the former vinyl ethers are present in an amount of not less than 1% by mole of the latter vinyl ethers. The fluorine-containing copolymer prepared by copolymerizing fluoroolefins with the vinyl ethers are useful as aqueous coatings particularly electro dip coatings.

Abstract: The granular powder of a melt processable fluorine-containing resin which is an agglomerate comprising particles of the melt processable fluorine-containing resin having an average particle size of not more than 200 .mu.m and a tetrafluoroethylene polymer as a binder is described. The agglomerate has an average particle size of not more than 1000 .mu.m and a bulk density of not less than 0.3 g/cm.sup.3. The granular powder has an excellent flowability, crushing resistance and processability as materials for powder coating and roto-molding of powder.

Abstract: Powders of tetrafluoroethylene copolymer having a non-spherical particle shape, a frictional packing ratio of 20 to 100% and an average particle size of 5 to 500 .mu.m. The powders are useful for powder coatings, particularly roto-moulding, roto-lining and electrostatic coating.

Abstract: 1. A melt-processable fluorine-containing resin composition comprising:(A) a fluorovinyl ether-tetrafluoroethylene copolymer and(B) a thermal stabilizer in an amount of not less than 0.01 to less than 500 ppm of said copolymer (A). When using the composition of the present invention, the bubbles formation is not caused upon sintering and the obtained product is not colored.

Abstract: An electrodeposition coating composition comprising a fluorine-containing copolymer having an anionic functional group, a curing agent and water, said copolymer comprising:(a) 20 to 80% by mole of the structural unit of the formula (1):--CFX--CF.sub.2 -- (1)(b) 5 to 60% by mole of the structural unit of the formula (2): ##STR1## (c) 0 to 40% by mole of the structural unit of the formula (3): ##STR2## (d) 0 to 40% by mole of the structural unit of the formula (4): ##STR3## the total amount of the structural units (a), (b), (c) and (d) being 100% by mole. The composition of the invention can be baked to substrates at a low temperature in comparison with compositions containing conventional fluorine-containing copolymers, and the films obtained by electrodepositing the composition are excellent in gloss, weatherability, adhesion to the substrates, alkali resistance and smoothness.

Abstract: An aqueous coating composition comprising a fluororesin, and (a) molybdic acid or its salt, (b) phosphoric acid or its salt, (c) ammonium hydroxide and (d) colloidal silica, the weight ratio of the fluororesin to the total amount of the ingredients (a), (b), (c) and (d) being 90:10 to 20:80 and the molar ratio of (a) molybdic acid or its salt as converted to MoO.sub.3, (b) phosphoric acid or its salt as converted to orthophosphoric acid, (c) ammonium hydroxide and (d) colloidal silica being 1:1:1:1 to 1:20:15:20 has good adhesivity, good corrosion resistance and heat resistance without exerting any toxicity and causing any pollution problem.

Abstract: An aqueous fluorine-containing rubber coating composition comprising (a) fluorine-containing rubber, (b) fluorine-containing resin, (c) an aminosilane compound of the formula: ##STR1## wherein R is methyl or ethyl; X is a single bond or --(CH.sub.2).sub.2 --NH--, --CONH-- or --(CH.sub.2).sub.2 --NH--(CH.sub.2).sub.2 --NH--; and n is 2 or 3, and (d) an aqueous liquid vehicle, the weight ratio of the component (a) and the component (b) being from 95:5 to 35:65, which makes the resultant coating film non-adherent and more lubricous.

Abstract: A fluoroelastomer-containing non-tacky electrically conductive coating composition which comprises (a) a fluoroelastomer, (b) a fluororesin, (c) a coupling agent, (d) an electrically conducting material, (e) a liquid vehicle and optionally (f) an inorganic fibrous material, the weight ratio of the fluoroelastomer (a) and the fluororesin (b) being from 95:5 to 35:65, a coating film formed from which has electrical conductivity as well as the properties inherent to the fluoroelastomer.

Abstract: A composition which comprises a mixture of:(a) an alkali metal silicate having an SiO.sub.2 /M.sub.2 O mole ratio of 2 to 5,(b) a hydrophilic silicic acid or silicate in the form of fine particles, and(c) a silane coupling agent, or an ortho-acid ester of a transition element in Group IV of the Periodic Table or a derivative of the esterforms hydrophilic coatings which are outstanding in durability, corrosion resistance and adhesion.

Abstract: A surgical suture which is filled with copolymer of tetrafluoroethylene and another polymerizable monomer and has outstanding properties, and a process for preparing the same.

Abstract: A melt-processable fluorine-containing resin composition having an improved thermal stability which comprises a tetrafluoroethylene copolymer, a chlorotrifluoroethylene homo- or co-polymer, or a vinylidene fluoride homo- or co-polymer and at least one thermal stabilizer selected from the group consisting of an amine antioxidant, an organosulfurous compound, an organo tin antioxidant, a tin powder and a zinc powder. The composition can be advantageously processed without causing any trouble even at an optimum sintering temperature of the fluorine-containing resin.

Abstract: A melt-processable fluorine-containing resin composition having an improved thermal stability which comprises (A) a tetrafluoroethylene copolymer, a chlorotrifluoroethylene homo- or co-polymer, or a vinylidene fluoride homo- or co-polymer and (B) a mixture, as a thermal stabilizer, of (a) an amine antioxidant, (b) an organosulfurous compound and at least one member selected from the group consisting of (c) carbon black and (d) metal powder of Group VIII of the Periodic Table. The composition can be advantageously processed without causing any trouble even at an optimum sintering temperature of the fluorine-containing resin.

Abstract: An article having on its substrate an undercoat including a polyarylene sulfide resin, a primer coat including a fluorocarbon polymer admixed with a binder on the undercoat, and a fluorocarbon polymer topcoat.

Abstract: A coating composition which includes a polyarylene sulfide resin, at least one imido-containing resin selected from the group consisting of polyamideimide resins and polyimide resins, and a fluorocarbon polymer, the composition being able to be used both in an one-coat system and as a primer coat composition in a multi-coat system.

Abstract: A coating composition comprising a fluororesin and a chelate compound of a transition element of Group IV in the periodic table in an aqueous medium, which can assure a firm adhesiveness to a substrate while maintaining advantageous properties inherent to the fluororesin.