Abstract: To provide an antifouling composition which is a fluorine-type antifouling composition using a short chain perfluoroalkyl group and which is excellent in antifouling properties and water/oil repellency and presents good durability against washing. An antifouling composition comprising a fluorocopolymer which comprises from 30 to 65 mass % of polymerized units (a) having a C1-6 perfluoroalkyl group, from 1 to 67 mass % of polymerized units (b1) having —(C2H4O)— and from 3 to 34 mass % of polymerized units (b2) having —(C4H8O)—, wherein the content of —(C2H4O)— is from 20 to 65 mass %, and the content of —(C4H8O)— is from 2 to 13 mass %.

Abstract: The present invention provides a water and oil proofing composition which imparts excellent water and oil resistance and comprises a fluorocopolymer comprising polymerized units of (Z-Y)nX (wherein Z: a C1-6 perfluoroalkyl group or the like, Y: an alkylene group or the like, n: 1 or 2, X: a polymerizable unsaturated group), polymerized units of CH2?CR1-G-(R2O)q—R3 (wherein R1: a hydrogen atom or the like, R2: a C2-4 alkylene group or the like, q: an integer of from 1 to 50, G: —COO(CH2)r— (r: an integer of from 0 to 4), R3: a hydrogen atom or the like, and polymerized units of CH2?CR4-M-Q-NR5R6 (wherein R4: a hydrogen atom or the like, Q: a C2-4 alkylene group or the like, R5 and R6: C1-8 alkyl groups or the like) and an aqueous medium.

Abstract: A water and oil repellent composition having excellent durability, which can impart excellent water and oil repellency to an object, even in a process at low temperatures, and which enables water and oil repellent treatment providing a soft hand. A water and oil repellent composition which comprises, as an essential component, a copolymer containing polymerization units of the following monomer (a) and polymerization units of the following monomer (b): monomer (a): an Rf group-containing monomer which forms a photopolymer having no melting point or a melting point of at most 55° C. attributable to fine crystals derived from the Rf groups and having a glass transition point of at least 20° C. monomer (b): a monomer having no Rf group and having a cross-linkable functional group.

Abstract: The present invention provides a water and oil proofing composition which imparts excellent water and oil resistance. A composition which comprises a fluorocopolymer comprising polymerized units of (Z-Y)nX (wherein Z: a C1-6 perfluoroalkyl group or the like, Y: an alkylene group or the like, n: 1 or 2, X: a polymerizable unsaturated group), polymerized units of CH2?CR1-G-(R2O)q—R3 (wherein R1: a hydrogen atom or the like, R2: a C2-4 alkylene group or the like, q: an integer of from 1 to 50, G: —COO(CH2)r— (r: an integer of from 0 to 4), R3: a hydrogen atom or the like) and polymerized units of CH2?CR4-M-Q-NR5R6 (wherein R4: a hydrogen atom or the like, Q: a C2-4 alkylene group or the like, R5 and R6: C1-8 alkyl groups or the like) and an aqueous medium.

Abstract: A water and oil repellent composition having excellent durability, which can impart excellent water and oil repellency to an object, even in a process at low temperatures, and which enables water and oil repellent treatment providing a soft hand. A water and oil repellent composition which comprises, as an essential component, a copolymer containing polymerization units of the following monomer (a) and polymerization units of the following monomer (b): monomer (a): an Rf group-containing monomer which forms a photopolymer having no melting point or a melting point of at most 55° C. attributable to fine crystals derived from the Rf groups and having a glass transition point of at least 20° C. monomer (b): a monomer having no Rf group and having a cross-linkable functional group.

Abstract: To provide a water- and oil-repellent composition excellent in durability and excellent in safety and preservation of the environment. A water- and oil-repellent composition which comprises (A) a polymer, (B) an aqueous medium and (C) a surfactant in a mass ratio of (A)/(B)/(C)=100/100-500/1-10, the polymer (A) containing a polymerization unit based on a (meth)acrylate having a polyfluoroalkyl group, a polymerization unit based on an alkyl(meth)acrylate having a C1-C12 alkyl group, a polymerization unit based on an alkyl(meth)acrylate having a C16-C22 alkyl group and a polymerization unit based on a specific compound having a blocked isocyanate group.

Abstract: To provide a water- and oil-repellent composition excellent in durability and excellent in safety and preservation of the environment.

Abstract: A water and oil repellent composition which can impart an excellent water and oil repellency to an object, even if it is processed at a low temperature, and which can achieve a water and oil repellent treatment providing a soft hand. The water and oil repellent composition which has as an essential component a copolymer consisting essentially of polymerized units of the following monomer (a) and polymerized units of the following monomer (b). monomer (a): an Rf monomer wherein the melting point of fine crystals derived from the Rf groups of the homopolymer does not exist or is at most 50° C. monomer (b): a monomer having no Rf group, wherein the melting point of fine crystals derived from the side chains of the homopolymer is at least 30° C.

Abstract: A water dispersion type water and oil repellent composition which is capable of imparting durable water resistance to clothing for which high water and oil repellency is required and which is capable of imparting high oil repellency to paper. The water dispersion type water and oil repellent composition comprises 1) an aqueous medium, 2) a polymer of a monomer having a polyfluoroalkyl group and one polymerizable unsaturated group and 3) a mono(or poly)ol or an alkylene oxide thereof, as essential components.

Abstract: A water and oil repellent aqueous dispersion is provided which is excellent in water and oil repellency and waterdrop rolling property and has dispersion stability even in the presence of co-agents and contaminants in the treatment bath. A preparative process comprises emulsifying a stock composition containing a polymerizable monomer containing a (meth)acrylate having perfluoroalkyl group as an essential component, a non-fluorine type surfactant containing no aromatic group, water and a solvent having a viscosity of at least 3 cP at 25° C. under pressure and polymerizing the stock composition.

Abstract: A water dispersion type water and oil repellent composition which is capable of imparting durable water resistance to clothing for which high water and oil repellency is required and which is capable of imparting high oil repellency to paper. The water dispersion type water and oil repellent composition comprises 1) an aqueous medium, 2) a polymer of a monomer having a polyfluoroalkyl group and one polymerizable unsaturated group and 3) a mono(or poly)ol or an alkylene oxide thereof, as essential components.

Abstract: A water and oil repellent composition which can impart an excellent water and oil repellency to an object, even if it is processed at a low temperature, and which can achieve a water and oil repellent treatment providing a soft hand. The water and oil repellent composition which has as an essential component a copolymer consisting essentially of polymerized units of the following monomer (a) and polymerized units of the following monomer (b).

Abstract: A water and oil repellent composition containing, as an effective component, a copolymer comprising the following polymeric units (a), (b) and at least one member selected from (c) and (d): polymeric units (a): Polymeric units of a (meth)acrylate having a polyfluoroalkyl group; Polymeric units (b): Polymeric units of 2-isocyanate ethyl (meth)acrylate with the isocyanate group blocked; Polymeric units (c): Polymeric units of vinyl chloride; and Polymeric units (d): Polymeric units of an alkyl (meth)acrylate.