Abstract:
The invention relates to cleaner formulations and to the use of said cleaner formulations for preventing plastic articles from discoloring when cleaned in a dishwasher. The cleaner formulations comprise the following components: a) copolymers containing a1) 10 to 60 % by weight of at least one monomer component (A) from the group of the monoethylenically unsaturated C3-C10 mono- or dicarboxylic acids or the anhydrides thereof; a2) 40 to 90 % by weight of at least one monomer component (B) of the general formula (I), wherein R , R and R independently represent H, CH3, C2H5, C3H7, COOH or OH, Y represents -C(=O)-, -C(=O)-O-, -O-, -O-C(=O)-, -O-C(=O)-O- or -C(=O)-NH-, n equals 0 or 1, R is a linear or branched, cyclic or acyclic aliphatic group with 7 to 100 carbon atoms; and a3) 0 to 30 % by weight of at least one further monomer component (C) that can be copolymerized with the monomer components (A) and (B) and that is selected from the group consisting of C1-C6 (meth)acrylic esters, C1-C6 vinylethers, C2-C8 olefins, styrenes, acrylnitriles, acrylamides, vinylformamides, allylalcohols, vinylphosphonates, vinyl-substituted heterocycles and unsaturated organosulfonic acids; b) a bleaching system that comprises at least one component of the group consisting of bleaching agents, bleaching activators and bleaching catalysts.
Abstract:
The invention relates to a mewthod for controlling the thickening of aqueous systems containing silicates, characterized in that at least one copolymer having an average molecular weight Mw of more than 60000 g/mol is added to said aqueous system and that the copolymer consists, essentially statistically, of monoethylenically unsaturated monocarboxylic acids, monoethylenically unsaturated dicarboxylic acids and, optionally, other ethylenically unsaturated comonomers, the indicated amounts referring to the total amount of all used monomers, respectively.
Abstract:
The invention relates to a method for controlling the thickening of aqueous, silicate-containing systems, characterized in that at least one copolymer having an average molecular weight (Mw) of at least 3000 g/mol and not more than 60000 g/mol is added to said aqueous system and that the copolymer is, essentially statistically, made of monoethylenically unsaturated monocarboxylic acids, monoethylenically unsaturated dicarboxylic acids and eventually ethylenically unsaturated comonomers. The method is also characterized in that the polymerization is carried out in the presence of 0.01 to 100 mol-%, in relation to the total amount of all COOH groups of the mono- and dicarboxylic acids, of at least one base for producing the copolymer, the indicated amounts in wt.-% each referring to the total amount of all used monomers.
Abstract:
The invention relates to a method for controlling the thickening of aqueous, silicate-containing systems, characterized in that at least one copolymer having an average molecular weight (Mw) of at least 3000 g/mol and not more than 60000 g/mol is added to said aqueous system and that the copolymer is, essentially statistically, made of monoethylenically unsaturated monocarboxylic acids, monoethylenically unsaturated dicarboxylic acids and eventually ethylenically unsaturated comonomers. The method is also characterized in that the polymerization is carried out in the presence of 0.01 to 100 mol-%, in relation to the total amount of all COOH groups of the mono- and dicarboxylic acids, of at least one base for producing the copolymer, the indicated amounts in wt.-% each referring to the total amount of all used monomers.
Abstract:
The invention relates to sulfonic acid group-containing copolymers, which also contain the following constituents that are incorporated by polymerization in a statistical or block-by-block manner: (a) 30 to 95 mol % of a least one monoethylenically unsaturated carboxylic acid, one monoethylenically unsaturated carboxylic acid ester, or one water-soluble salt of a monoethylenically unsaturated carboxylic acid; (b) 3 to 35 mol % of at least one sulfonic acid group-containing monomer of formula (I), in which the variables have the following meanings: R represents hydrogen or methyl; X represents a chemical bond or -COO-R1-; R1 represents unbranched or branched C1-C4 alkylene; M represents hydrogen, alkali metal or ammonium, and; (c) 2 to 35 mol % of at least one non-ionic monomer of formula (II), in which the variables have the following meanings: R2 represents hydrogen or methyl; R3 represents a chemical bond or unbranched or branched C1-C6 alkylene; R4 represents identical or different unbranched or branched C2-C4 alkylene groups; R5 represents unbranched or branched C1-C6 alkyl, C5-C8 cycloalkyl or aryl, and; n represents 3 to 50. These copolymers are used as an additive in detergents and cleansers.
Abstract:
The invention relates to copolymers which contain alkylene oxide units and also contain the following constituents that are incorporated by polymerization in a statistical or block-by-block manner: (a) 50 to 93 mol % of acrylic acid and/or of a water-soluble salt of the acrylic acid; (b) 5 to 30 mol % of methacrylic acid and/or of a water-soluble salt of the methacrylic acid, and; (c) 2 to 20 mol % of at least one non-ionic monomer of formula (II), in which the variables have the following meanings: R1 represents hydrogen or methyl; R2 represents a chemical bond or unbranched or branched C1-C6 alkylene; R3 represents identical or different unbranched or branched C2-C4 alkylene groups; R4 represents unbranched or branched C1-C6 alkyl, and; n ranges from 3 to 50. These copolymers are used as an additive in detergents and cleansers.
Abstract:
The use of copolymers containing alkylene oxide units and (mole%): (a) acrylic acid and/or one of its a water soluble (50-93), (b) methacrylic acid and/or one of its a water soluble salts (5-30), and (c) at least one nonionic monomer (2-20), statistically or block polymerized as washing and cleaning material additives is new. The use of copolymers containing alkylene oxide units and (mole%): (a) acrylic acid and/or one of its water soluble salts (50-93); (b) methacrylic acid and/or one of its a water soluble salts (5-30); and (c) at least one nonionic monomer (2-20) of formula (I). R1 = H or Me, R2 = chemical bond or optionally branched 1-6C alkylene, R3 = optionally branched 2-4C alkylene, R4 = optionally branched 1-6C alkyl, n = 3-50, statistically or block polymerized as washing and cleaning material additives. An Independent claim is also included for a washing and cleaning material containing the copolymer as a coating inhibiting additive.
Abstract:
Rinse agent formulations for machine dishwashing, comprising as components: a) 1% to 20% by weight of copolymers of a1) 20% to 80% by weight of at least one monomer from the group consisting of monoethylenically unsaturated C 3 -C 10 monocarboxylic or dicarboxylic acids or their anhydrides, a2) 10% to 80% by weight of at least one monomer of the general formula (I) in which R 1 , R 2 and R 3 independently of one another are H, CH 3 or C 2 H 5 , R 4 is a linear, branched or cyclic radical having 1 to 6 carbon atoms or an aromatic radical having 6 to 12 carbon atoms, and a3) 0% to 80% by weight of at least one further monomer, selected from the group consisting of olefins having 10 or more carbon atoms or mixtures thereof and reactive polyisobutenes having on average 12 to 100 carbon atoms, b) 1% to 30% by weight of low-foaming nonionic surfactants, c) 0% to 50% by weight of nonaqueous solvents, d) 0% to 15% by weight of solubilizers, e) 0% to 15% by weight of acidifiers, f) 0% to 10% by weight of one or more further additives such as anionic, cationic, zwitterionic and amphoteric surfactants, dyes, fragrances and corrosion inhibitors; g) water to 100% by weight.
Abstract:
The invention relates to copolymers which contain alkylene oxide units and also contain the following constituents that are incorporated by polymerization in a statistical or block-by-block manner: (a) 50 to 93 mol % of acrylic acid and/or of a water-soluble salt of the acrylic acid; (b) 5 to 30 mol % of methacrylic acid and/or of a water-soluble salt of the methacryl ic acid, and; (c) 2 to 20 mol % of at least one non-ionic monomer of formula (II), in which the variables have the following meanings: R1 represents hydrogen or methyl; R2 represents a chemical bond or unbranched or branched C1- C6 alkylene; R3 represents identical or different unbranched or branched C2- C4 alkylene groups; R4 represents unbranched or branched C1-C6 alkyl, and; n ranges from 3 to 50. These copolymers are used as an additive in detergents and cleansers.
Abstract:
The invention relates to the use of copolymers in detergent formulations for preventing glass corrosion during the cleaning process in machine dishwashers. The copolymers comprise a) from 20 to 70% by weight of at least one monomer unit (A) from the group of monoethylenically unsaturated C3-C10 monocarboxylic and dicarboxylic acids or their anhydrides, b) from 30 to 80% by weight of at least one monomer unit (B) of the formula (I) (See formula I) where R1, R2 and R3 independently of one another are H, CH3, C2H5, C3H7, COOH or OH, Y is -C(=O)-, -C(=O)-O-, -0-, -O-C(=0)-, -O-C(=O)-O- or -C(=O)-NH-, n is 0 or 1, R4 is either an aromatic or a linear, branched or cyclic aliphatic radical having from 1 to 6 carbon atoms, if desired, R2 and R4 together form an alkylene unit having from 3 to 6 carbon atoms which is unsubstituted or substituted by C1-C3 alkyl groups, and so form a ring, c) from 0 to 25% by weight of at least one further monomer unit (C), which is copolymerizable with the monomer units (A) and (B) and is from the group consisting of .alpha.-olefins having 10 or more carbon atoms, olefin mixtures of .alpha.-olefins having 10 or more carbon atoms, polyisobutenes having on average from 12 to 100 carbon atoms, Cn (meth)acrylates where n is greater than 6, hydroxy (meth)acrylates, Cn vinyl esters or Cn vinyl ethers where n is greater than 6, acrylonitriles, acrylamides, vinylformamides, allyl alcohols, vinylphosphonates, vinyl-substituted heterocycles and unsaturated organic sulfonic acids,