US20110098208A1 - Method for reducing the adhesion forces between hard surfaces and subsequently occurring soil - Google Patents

Method for reducing the adhesion forces between hard surfaces and subsequently occurring soil Download PDF

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US20110098208A1
US20110098208A1 US12/606,446 US60644609A US2011098208A1 US 20110098208 A1 US20110098208 A1 US 20110098208A1 US 60644609 A US60644609 A US 60644609A US 2011098208 A1 US2011098208 A1 US 2011098208A1
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copolymers
structural units
formula
hydrogen
weight
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US7939484B1 (en
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Matthias Loeffler
Daniel Stephen ROCQUE
George Italo Pitombeira Nunes
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Clariant International Ltd
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Clariant International Ltd
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Assigned to CLARIANT INTERNATIONAL, LTD. reassignment CLARIANT INTERNATIONAL, LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: NUNES, GEORGE ITALO PITOMBEIRA, ROCQUE, DANIEL STEPHEN
Assigned to CLARIANT INTERNATIONAL LTD. reassignment CLARIANT INTERNATIONAL LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: CLARIANT PRODUKTE (DEUTSCHLAND) GMBH
Assigned to CLARIANT PRODUKTE (DEUTSCHLAND) GMBH reassignment CLARIANT PRODUKTE (DEUTSCHLAND) GMBH ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: LOEFFLER, MATTHIAS
Priority to EP10770513.9A priority patent/EP2493943B1/en
Priority to ES10770513.9T priority patent/ES2626238T3/en
Priority to PCT/EP2010/006471 priority patent/WO2011050927A1/en
Priority to BR112012009844-6A priority patent/BR112012009844A2/en
Priority to JP2012535662A priority patent/JP2013508519A/en
Publication of US20110098208A1 publication Critical patent/US20110098208A1/en
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    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/37—Polymers
    • C11D3/3746—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • C11D3/378—(Co)polymerised monomers containing sulfur, e.g. sulfonate
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
    • C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
    • C08F220/10—Esters
    • C08F220/26—Esters containing oxygen in addition to the carboxy oxygen
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F290/00—Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups
    • C08F290/02—Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups on to polymers modified by introduction of unsaturated end groups
    • C08F290/06—Polymers provided for in subclass C08G
    • C08F290/062—Polyethers
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/0005—Other compounding ingredients characterised by their effect
    • C11D3/0036—Soil deposition preventing compositions; Antiredeposition agents
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
    • C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
    • C08F220/52—Amides or imides
    • C08F220/54—Amides, e.g. N,N-dimethylacrylamide or N-isopropylacrylamide
    • C08F220/58—Amides, e.g. N,N-dimethylacrylamide or N-isopropylacrylamide containing oxygen in addition to the carbonamido oxygen, e.g. N-methylolacrylamide, N-(meth)acryloylmorpholine
    • C08F220/585—Amides, e.g. N,N-dimethylacrylamide or N-isopropylacrylamide containing oxygen in addition to the carbonamido oxygen, e.g. N-methylolacrylamide, N-(meth)acryloylmorpholine and containing other heteroatoms, e.g. 2-acrylamido-2-methylpropane sulfonic acid [AMPS]

Definitions

  • the present invention relates to a method for reducing the adhesion forces between hard surfaces and subsequently occurring soil by treating the hard surfaces with a liquid composition comprising special copolymers A.
  • liquid washing, cleaning and disinfecting compositions are used to remove soil from already soiled hard surfaces.
  • the removal of the soil often is incomplete or requires excessive treatment such as rubbing or scrubbing of the hard surface etc.
  • the invention provides a method for reducing the adhesion forces between hard surfaces and subsequently occurring soil characterized in that the method comprises the step of treating the hard surfaces with a liquid composition comprising one or more copolymers A which comprise
  • copolymers A which can be used in the inventive method and their preparation are e.g. described in EP 1 116 733 and EP 1 069 142.
  • X may be H + . If the copolymers A comprise one or more repeating structural units of the formula (3) wherein X is H + the neutralization degree of the one or more repeating structural units of the formula (3) preferably is 90% or more. This means that X has a meaning different from H + in 90 mol-% or more of the one or more repeating structural units of the formula (3). If the copolymers A comprise one or more repeating structural units of the formula (3) wherein X is H + the neutralization degree of the one or more repeating structural units of the formula (3) particularly preferably is 95% or more and especially preferably 98% or more.
  • all of the counter ions X in the one or more repeating structural units of the formula (3) have a meaning different from H + , i.e. in this preferred embodiment of the invention the neutralization degree of the one or more repeating structural units of the formula (3) is 100%.
  • hard surfaces are treated with liquid compositions comprising the copolymers A.
  • Soil that occurs subsequently i.e. after the first step of the inventive method, adheres less strongly to the hard surface and thus, can be removed easier in the following cleaning steps providing a next time cleaning effect.
  • copolymers A applied in the first step of the inventive method create a protective layer on the hard surfaces which reduces the adhesion forces between the hard surfaces and the subsequently occurring soil.
  • the invention furthermore provides a method for reducing the sticking properties of hard surfaces characterized in that the method comprises the step of treating the hard surfaces with a liquid composition comprising one or more copolymers A.
  • copolymers A comprise structural units of formulae (1) and (3) or of formulae (2) and (3) and optionally further structural units.
  • Preferred copolymers A comprise 2 to 30% by weight, with particular preference 3 to 20% by weight, of one or more structural units of formula (1) or (2), preferably of one or more structural units of the formula (1), and 69.5 to 97.5% by weight, with particular preference 84.5 to 96.5% by weight, of one or more structural units of the formula (3).
  • the copolymers A may either be non-crosslinked or crosslinked.
  • the copolymers A are crosslinked.
  • they comprise 0.01 to 8% by weight, with particular preference 0.2 to 3% by weight, with a special preference 0.5 to 2% by weight of one or more crosslinking structures originating from one or more monomers having at least two olefinic double bonds.
  • the one or more monomers having at least two olefinic double bonds are preferably selected from the group consisting of allyl acrylate, allyl methacrylate, trimethylolpropane triacrylate, trimethylolpropane trimethacrylate, dipropylene glycol diallyl ether, polyglycol diallyl ether, triethylene glycol divinyl ether, hydroquinone diallyl ether, tetraallyloxyethane or other allyl or vinyl ethers, polyfunctional alcohols, tetraethylene glycol diacrylate, triallylamine, trimethylolpropane diallyl ether, methylenebisacrylamide and divinylbenzene.
  • allyl acrylate allyl methacrylate, trimethylolpropane triacrylate and/or trimethylolpropane trimethacrylate.
  • the copolymers A possess a molecular weight M w of from 10 3 to 10 9 g/mol. Particularly preferably the copolymers A possess a molecular weight M w of from 10 4 to 10 7 g/mol and with especial preference the copolymers A possess a molecular weight M w of from 5 ⁇ 10 4 to 5 ⁇ 10 6 g/mol.
  • M w is for the purposes of this invention generally to be determined by GPC (gel permeation chromatography) against polystyrenesulfonic acid.
  • the one or more structural units of the formula (1) originate from substances selected from the group consisting of N-vinylpyrrolidone (NVP) and N-vinylcaprolactam.
  • R 3 , R 4 and R 5 are, independently of one another, hydrogen or methyl
  • R 6 is an n-aliphatic, isoaliphatic or olefinic (C 10 -C 22 )-hydrocarbon radical
  • Y is O or NH, preferably Y is O, n is 0 and m is 1 to 30.
  • R 3 is hydrogen or methyl
  • Z is C 4 -alkylene
  • X is selected from the group consisting of H + , Na + and NH 4
  • Particularly preferred copolymers A comprise one or more structural units of the formula (3) wherein R 3 is hydrogen, Z is —C(CH 3 ) 2 —CH 2 — and X is Na + .
  • the one or more copolymers A comprise repeating structural units of the formula (1) wherein n is 3, repeating structural units of the formula (3) wherein R 3 is hydrogen —H, Z is —C 4 H 8 —, in particular —C(CH 3 ) 2 —CH 2 —, and X is selected from the group consisting of H + , Na + and NH 4 + (i.e. these structural units e.g. originate from 2-acrylamido-2-methylpropane sulfonic acid in free or in a respective salt form) and the copolymers A furthermore are cross-linked.
  • the one or more copolymers A comprise repeating structural units of the formula (2) wherein R 3 and R 4 are hydrogen —H, R 5 is hydrogen —H or methyl —CH 3 , Y is O, m is of from 1 to 30, n is 0, and R 6 is an n-aliphatic, isoaliphatic or olefinic, preferably an n-aliphatic or olefinic, (C 10 -C 22 )-hydrocarbon radical, repeating structural units of the formula (3) wherein R 3 is hydrogen —H, Z is —C 4 H 8 —, in particular —C(CH 3 ) 2 —CH 2 —, and X is selected from the group consisting of H + , Na + and NH 4 + , and the copolymers A furthermore are non cross-linked.
  • the one or more copolymers A comprise repeating structural units of the formula (2) wherein R 3 and R 4 are hydrogen —H, R 5 is hydrogen —H or methyl —CH 3 , Y is O, m is of from 1 to 30, n is 0, and R 6 is an n-aliphatic, isoaliphatic or olefinic, preferably an n-aliphatic or olefinic, (C 10 -C 22 )-hydrocarbon radical, repeating structural units of the formula (3) wherein R 3 is hydrogen —H, Z is —C 4 H 8 —, in particular —C(CH 3 ) 2 —CH 2 —, and X is selected from the group consisting of H + , Na + and NH 4 + , and the copolymers A furthermore are cross-linked.
  • the liquid compositions used in the inventive method comprise preferably 0.01 to 10% by weight, with particular preference 0.03 to 5% by weight, with especial preference 0.1 to 2% by weight of copolymers A.
  • the hard surfaces treated in the inventive method are preferably made of ceramic, metal, glass or plastic.
  • liquid compositions used in the inventive method can be in the form of aqueous, aqueous/organic, in particular aqueous/alcoholic and organic formulations. Further embodiments may be emulsions, dispersions, gels or suspensions.
  • the liquid compositions used in the inventive method are usually adjusted to a pH of from 1 to 12, preferably pH 2 to 8, particularly preferably pH 2 to 6.
  • the liquid compositions used in the inventive method preferably comprise water. These compositions comprise water preferably in an amount of 65% by weight or more and particularly preferably in an amount of 80% by weight or more.
  • the copolymers A possess the advantage of being compatible with acidic components and of not losing their effectiveness even in an acidic medium below pH 5. Therefore, in a further preferred embodiment of the inventive method the liquid compositions comprise a pH value of below 5, particularly preferably of from 2 to 5.
  • liquid compositions used in the inventive method may comprise bleaching or disinfecting agents, examples being substances which release chlorine or bromine, or organic or inorganic peroxides.
  • These liquid compositions can comprise the bleaching or disinfecting agents in amounts of from 0.1 to 30% by weight, particularly preferably of from 0.5 to 18% by weight and especially preferably of from 1.5 to 9% by weight.
  • liquid compositions used in the inventive method can comprise surfactants nonionic, anionic, cationic or amphoteric in nature, and also customary auxiliaries and additives in varying amounts.
  • auxiliaries and additives examples include builders, salts, bleaches, bleach activators, optical brighteners, complexing agents, graying inhibitors, solubility promoters, enzymes, thickeners, preservatives, fragrances and dyes, pearlizing agents, foam inhibitors and sequesterants.
  • Ceramic tiles have been treated with water (“Control”) and with liquid compositions A-J where the pH of the water and of the compositions A-J previously had been adjusted to a pH value of 6 (step A), then have been dried in air at ambient conditions (step B), then have been soiled with a standard soil (step C) and finally have been cleaned with the same formulation that had been used in step A (step D).
  • This procedure is according to ASTM 4488, A5 Soil Test.
  • Polymer 1 Hostagel ® AV (Ammonium Acryloyldimethyltaurate/VP Copolymer; VP: vinyl pyrrolidone; cross-linked; Clariant)
  • Polymer 2 copolymer of acryloyldimethyltaurate and Genapol ® T-250 methacrylate; sodium salt; cross-linked; ammonium salt prepared according to EP 1 069 142 - Example 3; exchange of ammonium ions by sodium ions in analogy to WO 2009/098050 -
  • Genapol ® T-250 is a (C 16 -C 18 ) fatty alcohol polglycol ether with 25 EO (ethylene oxide) units
  • Polymer 3 copolymer of acryloyldimethytaurate and Genapol ® UD-80 methacrylate; ammonium salt; non cross-linked; prepared according to EP 1 069 142

Abstract

A method for reducing the adhesion forces between hard surfaces and subsequently occurring soil is described. The method comprises the step of treating the hard surfaces with a liquid composition comprising special copolymers A. These copolymers A comprise structural units originating from
    • a1) one or more special monomers comprising a cyclic amide structure or
    • a2) one or more special alkoxylated monomers and
    • b) one or more special monomers comprising an amido group and a sulfonic acid group in protonated or in salt form
      and may be crosslinked or non-crosslinked.

Description

  • The present invention relates to a method for reducing the adhesion forces between hard surfaces and subsequently occurring soil by treating the hard surfaces with a liquid composition comprising special copolymers A.
  • Usually, liquid washing, cleaning and disinfecting compositions are used to remove soil from already soiled hard surfaces. However, due to adhesion forces between hard surfaces and adhered soil the removal of the soil often is incomplete or requires excessive treatment such as rubbing or scrubbing of the hard surface etc.
  • Accordingly, it was an objective of the present invention to provide a method to reduce adhesion forces between hard surfaces and subsequently occurring soil.
  • Surprisingly, it was found that this objective is solved by treating the hard surfaces with a liquid composition comprising special copolymers A.
  • Therefore, the invention provides a method for reducing the adhesion forces between hard surfaces and subsequently occurring soil characterized in that the method comprises the step of treating the hard surfaces with a liquid composition comprising one or more copolymers A which comprise
      • a1) 1 to 50% by weight of one or more of the repeating structural units of the formula (1)
  • Figure US20110098208A1-20110428-C00001
      • where
      • n is an integer from 2 to 9
      • or
      • a2) 1 to 50% by weight of one or more of the repeating structural units of the formula (2)
  • Figure US20110098208A1-20110428-C00002
      • where
      • R3, R4 and R5 are, independently of one another, hydrogen or methyl,
      • R6 is hydrogen or an n-aliphatic, isoaliphatic, olefinic, cycloaliphatic, arylaliphatic or aromatic (C1-C30)-hydrocarbon radical,
      • Y is O or NH and
      • m and n are the stoichiometric coefficients relating to the ethylene oxide units (EO) and propylene oxide units (PO) and are, independently of one another, 0 to 50 where the sum of m and n must on average be ≧1 and the distribution of the EO and PO units over the -[EO]m-[PO]n- chain may be random, block-like, alternating or gradient-like,
        • and
      • b) 49.99 to 98.99% by weight of one or more of the repeating structural units of the formula (3)
  • Figure US20110098208A1-20110428-C00003
      • where
      • R3 is hydrogen or methyl,
      • Z is (C1-C8)-alkylene and
      • X is selected from the group consisting of H+, Li+, Na+, K+, Mg++/2, Ca++/2, Al+++/3, NH4, monoalkylammonium, dialkylammonium, trialkylammonium and tetraalkylammonium, where the alkyl groups in these ammonium ions comprise, independently of one another, of from 1 to 30 carbon atoms.
  • The copolymers that are used in the inventive method are called copolymers A. Copolymers A which can be used in the inventive method and their preparation are e.g. described in EP 1 116 733 and EP 1 069 142.
  • In the one or more repeating structural units of the formula (3) X may be H+. If the copolymers A comprise one or more repeating structural units of the formula (3) wherein X is H+ the neutralization degree of the one or more repeating structural units of the formula (3) preferably is 90% or more. This means that X has a meaning different from H+ in 90 mol-% or more of the one or more repeating structural units of the formula (3). If the copolymers A comprise one or more repeating structural units of the formula (3) wherein X is H+ the neutralization degree of the one or more repeating structural units of the formula (3) particularly preferably is 95% or more and especially preferably 98% or more.
  • In a further preferred embodiment of the invention all of the counter ions X in the one or more repeating structural units of the formula (3) have a meaning different from H+, i.e. in this preferred embodiment of the invention the neutralization degree of the one or more repeating structural units of the formula (3) is 100%.
  • In the first step of the inventive method hard surfaces are treated with liquid compositions comprising the copolymers A. Soil that occurs subsequently, i.e. after the first step of the inventive method, adheres less strongly to the hard surface and thus, can be removed easier in the following cleaning steps providing a next time cleaning effect.
  • Without being bound to this theory it is believed that the copolymers A applied in the first step of the inventive method create a protective layer on the hard surfaces which reduces the adhesion forces between the hard surfaces and the subsequently occurring soil.
  • The invention furthermore provides a method for reducing the sticking properties of hard surfaces characterized in that the method comprises the step of treating the hard surfaces with a liquid composition comprising one or more copolymers A.
  • The copolymers A comprise structural units of formulae (1) and (3) or of formulae (2) and (3) and optionally further structural units.
  • Preferred copolymers A comprise 2 to 30% by weight, with particular preference 3 to 20% by weight, of one or more structural units of formula (1) or (2), preferably of one or more structural units of the formula (1), and 69.5 to 97.5% by weight, with particular preference 84.5 to 96.5% by weight, of one or more structural units of the formula (3).
  • The copolymers A may either be non-crosslinked or crosslinked.
  • In a preferred embodiment of the invention the copolymers A are crosslinked. In this case they comprise 0.01 to 8% by weight, with particular preference 0.2 to 3% by weight, with a special preference 0.5 to 2% by weight of one or more crosslinking structures originating from one or more monomers having at least two olefinic double bonds.
  • The one or more monomers having at least two olefinic double bonds are preferably selected from the group consisting of allyl acrylate, allyl methacrylate, trimethylolpropane triacrylate, trimethylolpropane trimethacrylate, dipropylene glycol diallyl ether, polyglycol diallyl ether, triethylene glycol divinyl ether, hydroquinone diallyl ether, tetraallyloxyethane or other allyl or vinyl ethers, polyfunctional alcohols, tetraethylene glycol diacrylate, triallylamine, trimethylolpropane diallyl ether, methylenebisacrylamide and divinylbenzene.
  • Particular preference is given to allyl acrylate, allyl methacrylate, trimethylolpropane triacrylate and/or trimethylolpropane trimethacrylate.
  • In a further preferred embodiment of the invention the copolymers A possess a molecular weight Mw of from 103 to 109 g/mol. Particularly preferably the copolymers A possess a molecular weight Mw of from 104 to 107 g/mol and with especial preference the copolymers A possess a molecular weight Mw of from 5·104 to 5·106 g/mol. Mw is for the purposes of this invention generally to be determined by GPC (gel permeation chromatography) against polystyrenesulfonic acid.
  • In a further preferred embodiment of the invention the one or more structural units of the formula (1) originate from substances selected from the group consisting of N-vinylpyrrolidone (NVP) and N-vinylcaprolactam.
  • In a further preferred embodiment of the invention in the one or more structural units of the formula (2) R3, R4 and R5 are, independently of one another, hydrogen or methyl, R6 is an n-aliphatic, isoaliphatic or olefinic (C10-C22)-hydrocarbon radical, Y is O or NH, preferably Y is O, n is 0 and m is 1 to 30.
  • In a further preferred embodiment of the invention in the one or more structural units of the formula (3) R3 is hydrogen or methyl, Z is C4-alkylene and X is selected from the group consisting of H+, Na+ and NH4. Particularly preferred copolymers A comprise one or more structural units of the formula (3) wherein R3 is hydrogen, Z is —C(CH3)2—CH2— and X is Na+.
  • In a particularly preferred embodiment of the inventive method the one or more copolymers A comprise repeating structural units of the formula (1) wherein n is 3, repeating structural units of the formula (3) wherein R3 is hydrogen —H, Z is —C4H8—, in particular —C(CH3)2—CH2—, and X is selected from the group consisting of H+, Na+ and NH4 + (i.e. these structural units e.g. originate from 2-acrylamido-2-methylpropane sulfonic acid in free or in a respective salt form) and the copolymers A furthermore are cross-linked.
  • In a further particularly preferred embodiment of the inventive method the one or more copolymers A comprise repeating structural units of the formula (2) wherein R3 and R4 are hydrogen —H, R5 is hydrogen —H or methyl —CH3, Y is O, m is of from 1 to 30, n is 0, and R6 is an n-aliphatic, isoaliphatic or olefinic, preferably an n-aliphatic or olefinic, (C10-C22)-hydrocarbon radical, repeating structural units of the formula (3) wherein R3 is hydrogen —H, Z is —C4H8—, in particular —C(CH3)2—CH2—, and X is selected from the group consisting of H+, Na+ and NH4 +, and the copolymers A furthermore are non cross-linked.
  • In a further particularly preferred embodiment of the inventive method the one or more copolymers A comprise repeating structural units of the formula (2) wherein R3 and R4 are hydrogen —H, R5 is hydrogen —H or methyl —CH3, Y is O, m is of from 1 to 30, n is 0, and R6 is an n-aliphatic, isoaliphatic or olefinic, preferably an n-aliphatic or olefinic, (C10-C22)-hydrocarbon radical, repeating structural units of the formula (3) wherein R3 is hydrogen —H, Z is —C4H8—, in particular —C(CH3)2—CH2—, and X is selected from the group consisting of H+, Na+ and NH4 +, and the copolymers A furthermore are cross-linked.
  • The liquid compositions used in the inventive method comprise preferably 0.01 to 10% by weight, with particular preference 0.03 to 5% by weight, with especial preference 0.1 to 2% by weight of copolymers A.
  • It should be noted that mixtures of two or more of the copolymers A are also in accordance with the invention.
  • The hard surfaces treated in the inventive method are preferably made of ceramic, metal, glass or plastic.
  • The liquid compositions used in the inventive method, e.g. washing, cleaning, disinfecting or bleaching compositions, can be in the form of aqueous, aqueous/organic, in particular aqueous/alcoholic and organic formulations. Further embodiments may be emulsions, dispersions, gels or suspensions.
  • The liquid compositions used in the inventive method are usually adjusted to a pH of from 1 to 12, preferably pH 2 to 8, particularly preferably pH 2 to 6.
  • The liquid compositions used in the inventive method preferably comprise water. These compositions comprise water preferably in an amount of 65% by weight or more and particularly preferably in an amount of 80% by weight or more.
  • The copolymers A possess the advantage of being compatible with acidic components and of not losing their effectiveness even in an acidic medium below pH 5. Therefore, in a further preferred embodiment of the inventive method the liquid compositions comprise a pH value of below 5, particularly preferably of from 2 to 5.
  • Furthermore, the liquid compositions used in the inventive method may comprise bleaching or disinfecting agents, examples being substances which release chlorine or bromine, or organic or inorganic peroxides. These liquid compositions can comprise the bleaching or disinfecting agents in amounts of from 0.1 to 30% by weight, particularly preferably of from 0.5 to 18% by weight and especially preferably of from 1.5 to 9% by weight.
  • The liquid compositions used in the inventive method, e.g. washing, cleaning, disinfecting or bleaching compositions, can comprise surfactants nonionic, anionic, cationic or amphoteric in nature, and also customary auxiliaries and additives in varying amounts.
  • Examples for customary auxiliaries and additives are builders, salts, bleaches, bleach activators, optical brighteners, complexing agents, graying inhibitors, solubility promoters, enzymes, thickeners, preservatives, fragrances and dyes, pearlizing agents, foam inhibitors and sequesterants.
  • The examples below serve to illustrate the invention in more detail without, however, limiting it thereto. All percentages given in these examples are percentages by weight.
    • EXAMPLE 1
  • Ceramic tiles have been treated with water (“Control”) and with liquid compositions A-J where the pH of the water and of the compositions A-J previously had been adjusted to a pH value of 6 (step A), then have been dried in air at ambient conditions (step B), then have been soiled with a standard soil (step C) and finally have been cleaned with the same formulation that had been used in step A (step D). This procedure is according to ASTM 4488, A5 Soil Test.
  • The results of the soil removal listed in Table 1 demonstrate the advantages of the inventive method for reducing the adhesion forces between a hard surface and subsequently occurring soil. A high percentage of soil removal corresponds to a high reduction of the adhesion forces between the hard surface and the subsequently occurring soil.
  • TABLE 1
    Results of the soil removal using ceramic tiles treated with
    water (“Control”) and with liquid compositions A-J
    Amount of the ingredient [% by weight]
    in “Control” and in the liquid compositions A-J
    Ingredient Control A B C D E F G H I J
    Water 100 99.9 99.9 99.7 99.7 99.7 99.7 99.7 99.7 99.7 99.7
    Anionic —  0.1 —  0.1 —  0.1 —  0.1 —  0.1 —
    Nonionic — —  0.1 —  0.1 —  0.1 —  0.1 —  0.1
    Ref. Pol. — — — — — — — — —  0.2  0.2
    Polymer 1 — — —  0.2  0.2 — — — — — —
    Polymer 2 — — — — —  0.2  0.2 — — — —
    Polymer 3 — — — — — — —  0.2  0.2 — —
    Soil  0 25.6 49.9 88.0 94.7 97.9 98.8 95.8 94.6 65.7 60.3
    Removal [%
    by weight]
    Ref. Pol.: Reference Polymer
    Anionic: sodium dodecyl sulfate
    Nonionic: Trideceth-5
    Ref. Pol.: Polyacrylate (Mirapol ® Surf-S 110; Rhodia)
    Polymer 1: Hostagel ® AV (Ammonium Acryloyldimethyltaurate/VP Copolymer; VP: vinyl pyrrolidone; cross-linked; Clariant)
    Polymer 2: copolymer of acryloyldimethyltaurate and Genapol ® T-250 methacrylate; sodium salt; cross-linked; ammonium salt prepared according to EP 1 069 142 - Example 3; exchange of ammonium ions by sodium ions in analogy to WO 2009/098050 - Example 2 Genapol ® T-250 is a (C16-C18) fatty alcohol polglycol ether with 25 EO (ethylene oxide) units
    Polymer 3: copolymer of acryloyldimethytaurate and Genapol ® UD-80 methacrylate; ammonium salt; non cross-linked; prepared according to EP 1 069 142 - Example 2 Genapol ® UD-80 is a C11 oxo alcohol polglycol ether with 8 EO (ethylene oxide) units
    • Examples for Liquid Compositions Usable in the Inventive Method EXAMPLE A All-Purpose/Kitchen Cleaner
  • Water 94.8 to 94.55%
    Cocodimethylaminoxid 0.10%
    Ethanol 2.00%
    Glycol Ether 2.50%
    Sodium Citrate 0.50%
    Preservative 0.05%
    Fragrance, dye as needed
    Polymer 1 0.05 to 0.3% 
    • EXAMPLE B Bathroom Cleaner
  • Water 92.85 to 92.6%
    Cocodimethylaminoxid 0.10%
    Ethanol 2.00%
    Glycol Ether 2.50%
    Lactic Acid 2.50%
    Fragrance, dye as needed
    Polymer 2 0.05 to 0.3%
    • EXAMPLE C Cleaner Concentrate
  • Water 86.8 to 84.9%
    Cocodimethylaminoxid 11.00% 
    Sodium Citrate 2.00%
    Preservative 0.10%
    Fragrance, dye as needed
    Polymer 3  0.1 to 2.00%

Claims (6)

1. A method for reducing the adhesion forces between a hard surface and subsequently occurring soil characterized in that the method comprises the step of treating the hard surface with a liquid composition comprising one or more copolymers A which comprise
a2) 1 to 50% by weight of one or more of the repeating structural units of the formula (2)
Figure US20110098208A1-20110428-C00004
where
R3, R4 and R5 are, independently of one another, hydrogen or methyl,
R6 is hydrogen or an n-aliphatic, isoaliphatic, olefinic, cycloaliphatic, arylaliphatic or aromatic (C1-C30)-hydrocarbon radical,
Y is O or NH and
m and n are the stoichiometric coefficients relating to the ethylene oxide units (EO) and propylene oxide units (PO) and are, independently of one another, 0 to 50, where the sum of m and n must on average be 1 and the distribution of the EO and PO units over the -[EO]m-[PO]n- chain may be random, block-like, alternating or gradient-like,
and
b) 49.99 to 98.99% by weight of one or more of the repeating structural units of the formula (3)
Figure US20110098208A1-20110428-C00005
where
R3 is hydrogen or methyl,
Z is (C1-C8)-alkylene and
X is selected from the group consisting of H+, Li+, Na+, K+, Mg++/2, Ca++/2, Al+++/3, NH4 +, monoalkylammonium, dialkylammonium, trialkylammonium and tetraalkylammonium, where the alkyl groups in these ammonium ions comprise, independently of one another, of from 1 to 30 carbon atoms.
2. A method according to claim 1, where the one or more copolymers A comprise 0.01 to 8% by weight of one or more crosslinking structures originating from one or more monomers having at least two olefinic double bonds.
3. A method according to claim 1, where the copolymers A possess a molecular weight Mw of from 103 to 109 g/mol.
4. (canceled)
5. A method according to claim 1, wherein in the one or more structural units of the formula (2) R3, R4 and R5 are, independently of one another, hydrogen or methyl, R6 is an n-aliphatic, isoaliphatic or olefinic (C10-C22)-hydrocarbon radical, Y is O or NH, n is 0 and m is 1 to 30.
6. A method according to claim 1, wherein in the one or more structural units of the formula (3) R3 is hydrogen or methyl, Z is C4-alkylene and X is selected from the group consisting of H+, Na+ and NH4 +.
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US12/606,446 US7939484B1 (en) 2009-10-27 2009-10-27 Method for reducing the adhesion forces between hard surfaces and subsequently occurring soil
JP2012535662A JP2013508519A (en) 2009-10-27 2010-10-22 Method for reducing adhesion between a hard surface and subsequent dirt
BR112012009844-6A BR112012009844A2 (en) 2009-10-27 2010-10-22 METHOD TO REDUCE ADHESION FORCES BETWEEN HARD AND DIRTY SURFACES SUBSEQUENTLY OCCURRING
ES10770513.9T ES2626238T3 (en) 2009-10-27 2010-10-22 Method to reduce adhesion forces between hard surfaces and the dirt that appears subsequently
EP10770513.9A EP2493943B1 (en) 2009-10-27 2010-10-22 Method for reducing the adhesion forces between hard surfaces and subsequently occurring soil
PCT/EP2010/006471 WO2011050927A1 (en) 2009-10-27 2010-10-22 Method for reducing the adhesion forces between hard surfaces and subsequently occurring soil

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