摘要:
To provide a water/oil repellent composition which can impart water/oil repellency to a surface of an article without having its texture deteriorated, and has excellent durability against washing and stability, a method for producing such a composition, and an article treated with such a water/oil repellent composition. A water/oil repellent composition which comprises a copolymer having polymerized units derived from monomer (a), polymerized units derived from monomer (b) and polymerized units derived from monomer (c). Here, monomer (a) is a compound represented by the formula: (Z—Y)nX; wherein Z is a C1-6 perfluoroalkyl group or the like; Y is a bivalent organic group or a single bond; n is 1 or 2; and X is a polymerizable unsaturated group; monomer (b) is a (meth)acrylate having no Rf group and having a C12-18 alkyl group; and monomer (c) is monomer (c1) having no Rf group and having a blocked isocyanate group or monomer (c2) having no Rf group and having at least two polymerizable unsaturated groups.
摘要:
To provide a liquid repellent composition which is excellent in liquid repellency and durability and an article having a liquid repelling film. A liquid repellent composition comprising a copolymer (I) and a copolymer (II), characterized in that the copolymer (I) containing from 65 to 95 mass % of a polymerized unit (a) (referred to as “[a1]”) and from 1 to 30 mass % of a polymerized unit (b); and the copolymer (II) containing from 25 to 80 mass % of a polymerized unit (a) (referred to as “[a2]”) and from 1 to 50 mass % of a polymerized unit (c) are contained in an amount of the copolymer (I)/the copolymer (II)=10/90 to 95/5 (mass ratio), and [a1]−[a2]≧10 (mass %).
摘要:
To provide a water/oil repellent composition which can give water/oil repellency to a surface of an article and has excellent durability (wash durability and heavy-rain durability), a method for producing such a composition, and an article which has water/oil repellency and is less susceptible to deterioration of water/oil repellency when it is washed or in heavy rain. A water/oil repellent composition which comprises a copolymer having polymerized units derived from monomer (a), polymerized units derived from monomer (b) and polymerized units derived from monomer (c). Here, monomer (a) is a compound represented by the formula: (Z—Y)nX; wherein Z is a C1-6 perfluoroalkyl group or the like; Y is a bivalent organic group or a single bond; n is 1 or 2; and X is a polymerizable unsaturated group; monomer (b) is a (meth)acrylate having no polyfluoroalkyl group and having an C20-30 alkyl group; and monomer (c) is vinylidene chloride.
摘要:
To provide a water/oil repellent composition which is capable of imparting sufficient dynamic water repellency and post-air-drying water repellency to the surface of an article and which presents a low environmental impact, a method for its production and a method for treating an article.A water/oil repellent composition which comprises a copolymer having structural units based on the following monomer (a) and structural units based on the following monomer (b) and having a mass average molecular weight of at least 40,000, and a medium, is used. Monomer (a): a compound represented by (Z—Y)nX, wherein Z is a C1-6 polyfluoroalkyl group or the like, Y is a bivalent organic group or the like, n is 1 or 2, and X is a polymerizable unsaturated group. Monomer (b): an olefin, a homopolymer of which has a glass transition temperature of from −50° C. to 50° C.
摘要:
To provide a method for producing a water/oil repellent composition which can impart water/oil repellency to a surface of an article and has excellent durability (wash durability and heavy-rain durability) and an article which has water/oil repellency and is less susceptible to deterioration of water/oil repellency when it is washed or in heavy rain.A method for producing a water/oil repellent composition which comprises polymerizing a monomer component comprising the following monomer (a) in coexistence with the following compound (x) in a medium in the presence of a surfactant and a polymerization initiator: monomer (a) is a compound of the formula (Z—Y)nX wherein Z is a C1-20 polyfluoroalkyl group or the like, Y is a bivalent organic group or a single bond, n is 1 or 2, and X is a polymerizable unsaturated group; and the compound (x) is a compound of Rf1—(CH2)b-Q-(CH2)a—SH, wherein Rf1 is a C1-30 polyfluoroalkyl group, Q is a bivalent organic group or a single bond, a is an integer of from 1 to 20, and b is an integer of from 0 to 20.
摘要:
To provide a copolymer which can impart sufficient dynamic water repellency, after air-drying water repellency and friction durability to a surface of an article, and which has low impact on the environment, a method for producing the same, a water repellent composition and an article excellent in dynamic water repellency, after air-drying water repellency and friction durability. A copolymer which is characterized in that it has structural units based on the following monomer (a) and structural units based on the following monomer (b), wherein the content of structural units based on the monomer (a) is from 5 to 95 mass % in the total structural units (100 mass %), the content of structural units based on the monomer (b) is from 5 to 60 mass % in the total structural units (100 mass %) and the sum of the contents of structural units based on the monomer (a) and structural units based on the monomer (b) is at least 65 mass % in the total structural units (100 mass %), and a water repellent composition which comprises the copolymer: Monomer (a): a (meth)acrylate having no Rf group and having a C20-30 alkyl group; Monomer (b): a halogenated olefin.
摘要:
To provide a method for producing a water/oil repellent composition which can impart water/oil repellency to a surface of an article and has excellent durability (wash durability and heavy-rain durability) and an article which has water/oil repellency and is less susceptible to deterioration of water/oil repellency when it is washed or in heavy rain.A method for producing a water/oil repellent composition which comprises polymerizing a monomer component comprising the following monomer (a) in coexistence with the following compound (x) in a medium in the presence of a surfactant and a polymerization initiator: monomer (a) is a compound of the formula (Z—Y)nX wherein Z is a C1-20 polyfluoroalkyl group or the like, Y is a bivalent organic group or a single bond, n is 1 or 2, and X is a polymerizable unsaturated group; and the compound (x) is a compound having at least two groups of —(CH2)a—CHR1—(CH2)b—SH, wherein R1 is a methyl group or an ethyl group, a is an integer of from 0 to 2, and b is 0 or 1.
摘要:
To provide a water/oil repellent composition which can give water/oil repellency to a surface of an article and has excellent durability (wash durability and heavy-rain durability), a method for producing such a composition, and an article which has water/oil repellency and is less susceptible to deterioration of water/oil repellency when it is washed or in heavy rain.A water/oil repellent composition which comprises a copolymer having polymerized units derived from monomer (a), polymerized units derived from monomer (b) and polymerized units derived from monomer (c). Here, monomer (a) is a compound represented by the formula: (Z—Y)nX; wherein Z is a C1-6 perfluoroalkyl group or the like; Y is a bivalent organic group or a single bond; n is 1 or 2; and X is a polymerizable unsaturated group; monomer (b) is a (meth)acrylate having no polyfluoroalkyl group and having an C20-30 alkyl group; and monomer (c) is vinylidene chloride.
摘要:
A water/oil repellent composition which comprises a copolymer having polymerized units derived from monomer (a) and polymerized units derived from monomer (b), wherein the proportion of the polymerized units derived from the monomer (b) is 30 to 80 mol % in the total of the polymerized units derived from the monomer (a) and the polymerized units derived from the monomer (b). Monomer (a) is a compound represented by the formula: (Z—Y)nX; wherein Z is a C1-6 perfluoroalkyl group or the like; Y is a bivalent organic group or the like; n is 1 or 2; and X is a polymerizable unsaturated group; and monomer (b) is a (meth)acrylate having no polyfluoroalkyl group and having an C20-30 alkyl group.
摘要:
To provide a method for producing a water/oil repellent composition which can impart water/oil repellency to a surface of an article and has excellent durability (wash durability and heavy-rain durability) and an article which has water/oil repellency and is less susceptible to deterioration of water/oil repellency when it is washed or in heavy rain.A method for producing a water/oil repellent composition which comprises polymerizing a monomer component comprising the following monomer (a) in coexistence with the following compound (x) in a medium in the presence of a surfactant and a polymerization initiator: monomer (a) is a compound of the formula (Z—Y)nX wherein Z is a C1-20 polyfluoroalkyl group or the like, Y is a bivalent organic group or a single bond, n is 1 or 2, and X is a polymerizable unsaturated group; and the compound (x) is a compound having at least two groups of —(CH2)a—CHR1—(CH2)b—SH, wherein R1 is a methyl group or an ethyl group, a is an integer of from 0 to 2, and b is 0 or 1.