Abstract: A mold releasing agent comprising a silicon-containing compound represented by the formula:R.sup.1.sub.n SiR.sup.2.sub.4-nwherein R.sup.1 is ##STR1## (R.sup.3 and R.sup.4 are a hydrocarbon group having 1 to 4 carbon atoms), R.sup.2 is a hydrocarbon group having 1 to 4 carbon atoms or a halogenated hydrocarbon group having 1 to 4 carbon atoms, n is 3 or 4, and a silicon- and/or fluorine-containing compound having at least two hydroxyl groups or alkoxyl groups in one molecule. The mold releasing agent of the present invention is excellent in mold releasing property, has a long life, provides a good surface finishing of molded article, and has no influence on secondary processability.

Abstract: Carbon fluoride particles in which a number-average particle size is 0.01 to 50 .mu.m, a content of particles having such a diameter that the particles size distribution falls with in range of the number-average particle size .+-.20% amounts to at least 50% of the whole, a true specific gravity is 1.7 to 2.5, a F/C as a whole is 0.001 to 0.5, and a F/C at the surface is always larger than the F/C as a whole and is 0.1 to 2. 0. These carbon fluoride partilces are obtainable by reacting carbon particles with fluorine at 350.degree. to 600.degree. C. for one minute to six hours.

Abstract: The present invention provides a stainproofing agent composition having the durability capable of maintaining sufficient water- and oil-repellency as well as stainproofing properties before and after cleaning. Disclosed is a stainproofing agent composition containing(A) a polymer having a repeating unit derived from maleate or fumarate having at least one fluoroalkyl group;(B) a fluoroalkyl group-containing copolymer having:(I) a repeating unit derived from a monomer containing a fluoroalkyl group,(II) a repeating unit derived from a monomer containing no fluorine,(III) a repeating unit derived from vinyl chloride, and(IV) a repeating unit derived from a crosslinking monomer; and(C) an acrylic copolymer containing no fluorine, which is optionally present.

Abstract: A novel fluorinated hydrocarbon compound containing an oxygen or sulfur atom in its molecule, produced by the nucleophilic reaction of a fluorine compound with a hydrocarbon compound. This compound is useful as a lubricant for various applications and particularly excellent as an oil for refrigerators wherein hydrochlorofluorocarbon is used as the refrigerant and as a magnetic recording medium lubricant.

Abstract: The present invention provides a stainproofing agent having the durability capable of maintaining sufficient water- and oil-repellency as well as stainproofing properties before and after cleaning. Disclosed is a stainproofing agent containing (A) a fluroalkyl group-containg copolymer having (I) a structure unit derived from a monomer having a fluoroalkyl group, (II) a structure unit derived from a monomer containing no fluorine, (III) a structure unit derived from vinyl chloride, and (IV) a structure unit derived from a crosslinking monomer; (B) a urethane compound having a fluoroalkyl group, or a copolymer having (V) a structure unit derived from a monomer having a fluoroalkyl group and a carbon-carbon double bond, and (VI) a structure unit derived from a monomer which contains no fluorine atom and has at least one urethane or urea linkage and one carbon-carbon double bond; and (C) an acrylic copolymer containing no fluorine.

Abstract: A fluorine-containing polyether compound, a lubricant, and a magnetic recording medium comprising the lubricant.

Abstract: Fluorine-containing resin molded article comprising a molded article of a fluorine-containing resin composition containing 0.1 to 30% by weight of a carbon material, a surface of said molded article being fluorinated. The fluorine-containing resin molded article can be obtained by, after preparing molded article of a fluorine-containing resin composition containing 0.1 to 30% by weight of a carbon material, fluorinating the surface of the article with a reaction gas which comprises a compound containing fluorine atom. This fluorine-containing resin molded article has an antistatic property and non-tackiness.

Abstract: A molding method in which a mold releasing agent is diluted by a water solution containing a surfactant, when the mold releasing agent is diluted by water to be used for molding. The molding method can be provided to obtain good wettability to the metal mold, drying ability and mold releasability always with good reproducibility.

Abstract: A mold release agent containing (A) a silane compound, (B) a silicon and/or fluorine-containing compound having at least two hydroxyl groups or alkoxy groups in one molecule and (C) a polymer of a perfluoroalkyl group-containing (meth)acrylate ester gives a long mold release life and a good surface finishing property of a molded article, and does not exert a harmful influence on fabricability such as painting and adhesion of the molded article.

Abstract: A novel fluorosilicone compound having at least two hydroxyl groups in its molecule and a curable composition containing such a compound and a commercially available general purpose curing agent; the compound is used suitably for a lubricant and a fiber treating agent, and the curable composition is used suitably for a mold releasing agent, a water- and oil-repelling agent, a stain-proof coating agent, a non-tackifying coating agent, a coating agent for optical use and a sealant.

Abstract: Carbon fluoride particles in which a number-average particle size is 0.01 to 50 .mu.m, a content of particles having such a diameter that the particles size distribution falls with in range of the number-average particle size .+-.20% amounts to at least 50% of the whole, a true specific gravity is 1.7 to 2.5, a F/C as a whole is 0.001 to 0.5, and a F/C at the surface is always larger than the F/C as a whole and is 0.1 to 2.0. These carbon fluoride particles are obtainable by reacting carbon particles with fluorine at 350.degree. to 600.degree. C. for one minute to six hours.

Abstract: A surface treating agent composition of fluorine-containing-oil-in-hydrocarbon-containing-oil type emulsion prepared by emulsifying a liquid fluorine-containing oil and a liquid hydrocarbon-containing oil by using a polymeric surfactant having a fluorine-containing segment and a hydrocarbon-containing segment in a molecule has excellent long-term stability.

Abstract: A composition which is capable of imparting electrical conductivity and non-tackifying property, comprising (A) a carbon fluoride in which a ratio F/C of fluorine atom to carbon atom is more than 0.5 and less than 1.0 and (B) at least one selected from the group consisting of a thermoplastic resin, a thermosetting resin and a rubber, a paint composition containing the same, and a semi-electrically conductive roller for electrostatic copying machine having an electrically resistive layer formed from the composition.

Abstract: A water-based mold release agent, which contains a halogen-containing polyether having at least one functional group as a main component, gives no environmental pollution, has excellent dispersibility, storage stability and mold releasability and gives a good surface state to a shaped article of a polymeric material.

Abstract: A mold release agent composition which contains A) 10 to 95% by weight of a copolymer of a polyfluoroalkyl acrylate or methacrylate ester having a polyfluoroalkyl group having 1 to 20 carbon atoms and a vinyl compound having an alkyl group having 8 to 30 carbon atoms, and B) 90 to 5% by weight of a silicone, has sufficient releasability, has an only slightly amount of the migration to a shaped article and gives no adverse effect on fabricability of a shaped article surface.

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: 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: Process for preparing fluorine-containing copolymers by using vinyl ether monomer compositions comprising vinyl ethers having a carboxyl acid salt in an amount of 1 to 50% by mole of vinyl ethers having a free carboxyl group. According to the process, the amount of halogen generated can be reduced.

Abstract: A novel fluorine-containing compound of the formula:(CF.sub.3).sub.2 CHCO.sub.2 CClX.sup.1 X.sup.2 (I)wherein X.sup.1 and X.sup.2 are, the same or different, each a hydrogen atom or a chlorine atom, which is useful as the starting material for production of 2-trifluoromethyl-3,3,3-trifluoropropene.

Abstract: Process for preparing 2-trifluoro-methyl-3,3,3-trifluoropropene.