Abstract: An aqueous dispersion comprising a polymer (a) having a repeating unit (A) which comprises four carbon atoms connected in a linear chain and which has one double bond at the second position and a polyfluoroalkyl group bonded to an arbitrary carbon atom, and a surfactant (B) having a hydrophile-lipophile balance of at least 10, wherein the polymer (a) is dispersed in an aqueous medium by the surfactant (B).

Abstract: A water dispersion type water and oil repellent composition capable of imparting highly long-lasting water and oil repellency to fibers of various materials. It comprises a polymer which essentially contains polymerized units of a (meth)acrylate having a polyfluoroalkyl group and polymerized units of a polymerizable monomer which essentially contains a polymerizable unsaturated group and a hydroxyl group and in which the polymerizable unsaturated group and the hydroxyl group are connected to each other through 7 or more covalent bonds, a surfactant which contains a nonionic surfactant in an amount of from 60 to 100 wt %, an aqueous medium, and a cross-linkable compound.

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 repellent composition is provided containing the polymers (A) and (B), wherein polymers (A) and (B) are not present in the same particles, wherein polymer (A) is an addition polymer having at least 60 mass % of polymerized units of a (meth)acrylate (a) having a polyfluoroalkyl group, and 0-40 mass % of a methacrylate (b) having a long chain alkyl group and not a polyfluoroalkyl group, and, if necessary, polymerized units of a polymerizable monomer (x) other than monomers (a) and (b), polymer (B) is an addition polymer having 0-60 mass % of monomer (a), and at least 30 mass % of polymerized units of a polymerizable monomer (c), other than monomers (a) and (b), and, if necessary, polymerized units of a monomer (y) other than monomers (a) and (c), along with an article treated therewith and the method of treating an article with the water repellent composition.

Abstract: A water and oil repellent composition comprising a compound of the following formula (1) and a thermoplastic polymer, as essential components: 1

Abstract: A water repellent composition is provided containing the polymers (A) and (B), wherein polymers (A) and (B) are not present in the same particles, wherein polymer (A) is an addition polymer having at least 60 mass % of polymerized units of a (meth)acrylate (a) having a polyfluoroalkyl group, and 0-40 mass % of a methacrylate (b) having a long chain alkyl group and not a polyfluoroalkyl group, and, if necessary, polymerized units of a polymerizable monomer (x) other than monomers (a) and (b), polymer (B) is an addition polymer having 0-60 mass % of monomer (a), and at least 30 mass % of polymerized units of a polymerizable monomer (c), other than monomers (a) and (b), and, if necessary, polymerized units of a monomer (y) other than monomers (a) and (c), along with an article treated therewith and the method of treating an article with the water repellent composition.

Abstract: The invention relates to a water dispersion type water and oil repellent composition which satisfies both repeated washing durability of water and oil repellency and durability of hydrostatic pressure resistance. A water dispersion type water and oil repellent composition comprising (A) a fluorine-containing copolymer having hydroxy groups, (B) a fluorine-containing copolymer having epoxy groups, (C) a compound having a blocked isocyanate group and having no carbon-carbon unsaturated bond and (D) an amino resin, as effective components.

Abstract: The following fluorine-containing compound is presented which is capable of providing dry soil resistance when incorporated to a water and oil repellent.

Abstract: A water dispersion type water and oil repellent composition obtained by polymerizing the following polymerizable monomer mixture (b) in the presence of a compound (a) having a blocked isocyanate group and no polymerizable unsaturated group: (b) a mixture comprising a polymerizable monomer having a polyfluoroalkyl group and a polymerizable monomer having no polyfluoroalkyl group.

Abstract: An aqueous antifouling composition comprising fine particles of a copolymer which comprises the following polymer units (a), (b) and (c) and which has a glass transition temperature of at most 5° C., and an aqueous medium in which the fine particles are dispersed: (a) polymer units of a (meth)acrylate having a polyfluoroalkyl group, (b) polymer units of an alkyl acrylate wherein the carbon number of the alkyl group is from 2 to 12, and (c) polymer units of a (meth)acrylic monoester of a polyol.

Abstract: An aqueous dispersion type antisoiling composition comprising an aqueous medium, and fine particles of the following reaction product (A) and fine particles of the following addition polymer (B), dispersed in the aqueous medium, or an aqueous medium, and fine particles comprising the reaction product (A) and the addition polymer (B), dispersed in the aqueous medium: Reaction product (A): a reaction product of compounds (a1), (a2) and (a3); Compound (a1): a compound having a polyfluoroalkyl group and a group having an active hydrogen atom reactive with an isocyanate group; Compound (a2): a compound having no polyfluoroalkyl group and a group having an active hydrogen atom reactive with an isocyanate group; Compound (a3): a polyisocyanate compound; Addition polymer (B): a copolymer comprising polymer units of a polyfluoroalkyl group-containing (meth)acrylate and polymer units of methyl methacrylate.

Abstract: An antifouling composition comprising, as an effective component, a copolymer comprising the following polymer units (a), (b), (c) and (d): (a) polymer units of a (meth)acrylate having a polyfluoroalkyl group, (b) polymer units of a (meth)acrylate having a polyoxyethylene group, (c) polymer units of a (meth)acrylate having a polyoxypropylene group, and (d) polymer units of a (meth)acrylate having a blocked isocyanate group.

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.

Abstract: A water and oil repellent composition consisting essentially of a copolymer comprising the following polymeric units A, B, C and D, and an organic solvent:Polymeric units A: Polymeric units derived from an acrylate containing a polyfluoroalkyl group, and/or a methacrylate containing a polyfluoroalkyl group;Polymeric units B: Polymeric units derived from an acrylate containing a hydrocarbon group, and/or a methacrylate containing a hydrocarbon group;Polymeric units C: Polymeric units derived from an acid anhydride having an unsaturated group; andPolymeric units D: Polymeric units derived from triallyl cyanurate.

Abstract: A polyfluorohydrocarbon group-containing acrylate of the formula (1):R.sub.f --(CH.sub.2).sub.n --Q--(CH.sub.2).sub.h --.phi.--[X--.phi.--].sub.y --(CH.sub.2).sub.m OC(O)CR.dbd.CH.sub.2(1)wherein R.sub.f is a polyfluorohydrocarbon group having from 2 to 22 carbon atoms to which fluorine atoms are bonded, wherein some of such carbon atoms may be substituted by ether-type oxygen atoms,.phi. is a p-phenylene group which may be substituted by one or more halogen atoms selected from fluorine and chlorine, provided that when a plurality of .phi. are present in one molecule, such a plurality of .phi. may be the same or different from one another,R is a hydrogen atom, a methyl group, a fluorine atom, a chlorine atom or a bromine atom,Q is an oxygen atom or a sulfur atom,X is a single bond, --CH.dbd.CH--, --N.dbd.CH--, --CH.dbd.N-- or --C(O)--,n is an integer of from 1 to 22,h is an integer of from 0 to 22,m is an integer of from 1 to 11, andy is an integer of from 0 to 5.

Abstract: A polyfluorohydrocarbon group-containing acrylate of the formula (1):R.sub.f --(CH.sub.2).sub.n --Q--(CH.sub.2).sub.h --.phi.--[X--.phi.--].sub.y --(CH.sub.2).sub.m OC(O)CR.dbd.CH.sub.2 (1)wherein R.sub.f is a polyfluorohydrocarbon group having from 2 to 22 carbon atoms to which fluorine atoms are bonded, wherein some of such carbon atoms may be substituted by ether-type oxygen atoms,.phi. is a p-phenylene group which may be substituted by one or more halogen atoms selected from fluorine and chlorine, provided that when a plurality of .phi. are present in one molecule, such a plurality of .phi. may be the same or different from one another,R is a hydrogen atom, a methyl group, a fluorine atom, a chlorine atom or a bromine atom,Q is an oxygen atom or a sulfur atom,x is a single bond, --CH.dbd.CH--, --N.dbd.CH--, --CH.dbd.N-- or --C(O)--,n is an integer of from 1 to 22,h is an integer of from 0 to 22,m is an integer of from 1 to 11, andy is an integer of from 0 to 5.

Abstract: A fluorine-containing benzophenone derivative of the formula (1), (2) or (3):.PHI..sup.1 (--X.sup.1 --Q.sup.1 --R.sub.f.sup.1).sub.n (1).PHI..sup.2 --X.sup.2 --Q.sup.2 --R.sub.f.sup.2 --Q.sup.3 --X.sup.3 --.PHI..sup.3 (2).PHI..sup.4 --X.sup.4 --Q.sub.f --X.sup.5 --.PHI..sup.5 (3)wherein .PHI..sup.1 is a 2-hydroxybenzophenone structure of the formula ka-1: ##STR1## (wherein Y is a hydrogen atom or a hydroxyl group, each of k and m indicates the number of bond sites, k is an integer of from 0 to 3, and m is an integer of from 0 to 3, provided that 1.ltoreq.(k+m).ltoreq.4), n corresponds to (k+m) and is an integer of from 1 to 4, each of .PHI..sup.2, .PHI..sup.3, .PHI..sup.4 and .PHI..sup.5 is a 2-hydroxybenzophenone structure of the formula ka-1 wherein (k+m) is 1, each of X.sup.1, X.sup.2, X.sup.3, X.sup.4 and X.sup.5 is a single bond or an oxygen atom, Q.sup.1 is a single bond or a bivalent linking group having a carbon atom directly bonded to X.sup.1, each of Q.sup.2 and Q.sup.

Abstract: A fluorine-containing benzophenone derivative of the formula (1), (2) or (3):.PHI..sup.1 (--X.sup.1 --Q.sup.1 --R.sub.f.sup.1).sub.n (1).PHI..sup.2 --X.sup.2 --Q.sup.2 --R.sub.f.sup.2 --Q.sup.3 --X.sup.3 --.PHI..sup.3 (2).PHI..sup.4 --X.sup.4 --Q.sub.f --X.sup.5 --.PHI..sup.5 (3)wherein .PHI..sup.1 is a 2-hydroxybenzophenone structure of the formula ka-1: ##STR1## (wherein Y is a hydrogen atom or a hydroxyl group, each of k and m indicates the number of bond sites, k is an integer of from 0 to 3, and m is an integer of from 0 to 3, provided that 1.ltoreq.(k+m).ltoreq.4), n corresponds to (k+m) and is an integer of from 1 to 4, each of .PHI..sup.2, .PHI..sup.3, .PHI..sup.4 and .PHI..sup.5 is a 2-hydroxybenzophenone structure of the formula ka-1 wherein (k+m) is 1, each of X.sup.1, X.sup.2, X.sup.3, X.sup.4 and X.sup.5 is a single bond or an oxygen atom, Q.sup.1 is a single bond or a bivalent linking group having a carbon atom directly bonded to X.sup.1, each of Q.sup.2 and Q.sup.

Abstract: A water and oil repellent composition containing, as an essential component, non-film-forming fine solid particles having a low surface tension and having a fluorine content of at least 30% by weight.