Classifications

• • 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
  • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
  • C11D1/38—Cationic compounds
  • C11D1/62—Quaternary ammonium compounds
• • 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
  • C11D17/00—Detergent materials or soaps characterised by their shape or physical properties
  • C11D17/0008—Detergent materials or soaps characterised by their shape or physical properties aqueous liquid non soap compositions
  • C11D17/0026—Structured liquid compositions, e.g. liquid crystalline phases or network containing non-Newtonian phase
• • 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
  • C11D3/26—Organic compounds containing nitrogen
  • C11D3/30—Amines; Substituted amines ; Quaternized amines
• • 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
  • C11D3/3703—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
  • C11D3/3726—Polyurethanes
• • 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
  • C11D3/48—Medical, disinfecting agents, disinfecting, antibacterial, germicidal or antimicrobial compositions

Definitions

• the present invention relates to a thickened liquid textile or hard surface treatment agent comprising a cationic biocidal compound.
• the present invention also describes a method for cleaning a textile fabric or a hard surface.
• adhesion of microorganisms to surfaces is undesirable, particularly in the case of pathogenic microorganisms. Adhering microorganisms frequently lead to infections or to reinfection in humans, animals and plants.
• Delicate textiles such as e.g. silk or microfibers
• fungi such as e.g. the human pathogen Candida albicans are not being killed.
• liquid detergents which are generally free from bleaching agents.
• a 60°C wash as was previously the norm, almost all microbes were reliably destroyed on the one hand by the higher temperature and on the other hand by the bleaching agents contained in the universal detergents that were conventionally used.
• Anti-microbially active compositions and their use in washing or cleaning agents are known in the prior art. These are, for example, textile treatment agents which contain one or more biocidal compounds and are added to the rinse cycle.
• WO 2009/065823 A1 discloses a textile treatment agent comprising a biocidal compound, perfume and a nonionic surfactant.
• biocidal compounds are cationic and compositions containing cationic biocidal compounds have an acidic pH.
• Thickened compositions are attributed to be more effective and concentrated by consumers.
• the problem with liquid textile or hard surface treatment agents comprising cationic biocidal compounds is that due to the acidic pH many commonly used thickeners such as acrylate thickeners cannot be used.
• liquid textile or hard surface treatment agent comprising:
• the associative thickener is a hydrophobically modified aminoplast/polyether copolymer.
• hydrophobically modified aminoplast/polyether copolymer is selected from among polymers having general formula (I)
• hydrophobically modified aminoplast/polyether copolymers as thickeners in compositions comprising cationic biocidal compounds leads clear and stable liquid textile or hard surface treatment agents having an aesthetically appealing viscosity to consumers.
• the assoziative thickener is selected from the group consisting of PEG-180/octoxynol 40/tetramethoxymethylglycouril (TMMG) copolymers, PEG-180/laureth- 50/tetramethoxymethylglycouril (TMMG) copolymers, PEG-18/dodoxynol-5/PEG-25
• TMMG tristyrylphenol/tetramethoxymethylglycouril
• the cationic biocidal compound is a quaternary ammonium compound. It is especially preferred that the quaternary ammonium compound is selected from group consisting of dialkyldimethylammonium halides, benzalkonium halides, substituted benzalkonium halides and mixtures thereof.
• cationic biocidal compounds act effectively against viruses, bacteria, moulds or yeasts.
• the treatment agent additionally comprises a non-ionic surfactant.
• the present application also relates to a method for cleaning a textile fabric or a hard surface, the method comprising contacting the fabric or surface with the inventive liquid textile or hard surface treatment agent.
• the present invention relates to a liquid textile or hard surface treatment agent comprising A) at least one nonionic, amphiphilic associative thickener and B) a cationic biocidal compound.
• biocidal compound in the context of this application, compounds are understood which possess an antimicrobial action and reduce the number of microorganisms on textile fabrics treated therewith as well as in the treating solution.
• biocidal compounds are differentiated into bacteriostats and bactericides, fungistats and fungicides etc.
• Suitable cationic biocidal compounds are preferably quaternary ammonium compounds.
• the quaternary ammonium compounds (QACs) that are suitable as active biocidal substances have the general formula (R )(R 2 )(R 3 )(R 4 )N + X ⁇ , in which R to R 4 represent the same or different C C 2 2 alkyl residues, C 7 -C 2 8 aralkyl residues or heterocyclic residues, wherein two or, in the case of an aromatic bonding as in pyridine, even three residues form the heterocycle, for example a pyridinium or imidazolinium compound, together with the nitrogen atom, and X " are halide ions, sulfate ions, hydroxide ions or similar anions.
• QACs can be produced by reacting tertiary amines with alkylating agents, such as e.g. methyl chloride, benzyl chloride, dimethyl sulfate, dodecyl bromide, but also ethylene oxide.
• alkylating agents such as e.g. methyl chloride, benzyl chloride, dimethyl sulfate, dodecyl bromide, but also ethylene oxide.
• alkylating agents such as e.g. methyl chloride, benzyl chloride, dimethyl sulfate, dodecyl bromide, but also ethylene oxide.
• alkylating agents such as e.g. methyl chloride, benzyl chloride, dimethyl sulfate, dodecyl bromide, but also ethylene oxide.
• the alkylation of tertiary amines with a long alkyi residue and two methyl groups is achieved particularly readily, and even the quaternization of
• Suitable QACs are for example benzalkonium chloride (N-alkyl-N,N-dimethylbenzylammonium chloride, CAS No. 8001 -54-5), benzalkon B (m,p-dichlorobenzyldimethyl-Ci 2 -alkylammonium chloride, CAS No. 58390-78-6), benzoxonium chloride (benzyldodecylbis(2- hydroxyethyl)ammonium chloride), cetrimonium bromide (N-hexadecyl-N,N,N-trimethylammonium bromide, CAS No.
• benzethonium chloride N, N-dimethyl-N-[2-[2-[p-(1 , 1 ,3,3- tetramethylbutyl)phenoxy]ethoxy]ethyl]benzylammonium chloride, CAS No. 121-54-0
• dialkyldimethylammonium chlorides such as di-n-decyldimethyl-ammonium chloride (CAS No. 7173-51-5-5), didecyldimethylammonium bromide (CAS No. 2390-68-3),
• dialkyldimethylammonium chlorides in particular di-n-decyldimethylammonium chloride, N- octadecyl-N,N,N-trimethylammonium chloride, N-hexadecyl-N,N,N-trimethylammonium chloride and the benzalkonium chlorides with C 8 -Ci 8 alkyi residues, in particular Ci 2 -Ci 4
• alkylbenzyldimethylammonium chloride Another preferred biocidal compound is methyl-N-(2- hydroxyethyl)-N,N-di(caproyloxyethyl)ammonium methosulfate.
• the cationic compounds absorb particularly well on to cotton-containing fabrics and mixed fabrics.
• dialkyldimethylammonium halides The dialkyldimethylammonium halides, the benzalkonium halides and/or substituted
• benzalkonium halides are commercially available, for example as Barquat ® from Lonza, Marquat ® from Mason, Variquat ® from Evonik Industries and Hyamine ® from Lonza.
• the cationic biocidal compound is used in a quantity of 0.1 wt.% to 20 wt.%, preferably 0.5 wt.% to 10 wt.% and particularly preferably 1 wt.% to 5 wt.%. It is particularly preferred from a toxicological and ecological viewpoint for the quantity of biocidal compound to be less than 3 wt.%.
• the nonionic, amphiphilic associative thickener (A) is a polymer containing both hydrophilic and hydrophobic groups.
• Associative thickeners are water-soluble polymers containing surfactant-like hydrophobic constituents which in a hydrophilic and particularly in an aqueous medium are capable of associating, namely interacting, with themselves as wall as with other hydrophobic substances.
• the resulting associative network causes the medium to thicken or gel.
• Particularly preferred associative thickeners are hydrophobically modified aminoplast/polyether copolymers.
• Particularly preferred aminoplasts are glycoluril and derivatives thereof.
• Suitable alkylene polyethers are the polyalkylene oxide diols, prfereably polyethylene oxide diols. These can have a degree of ethoxylation from 20 to 500, preferably from 60 to 350 and particularly from 100 to 250.
• a suitable hydrophobically modified aminoplast/polyether copolymer is selected from among polymers having general formula (I)
• Amp denotes an aminoplast monomer or a radical of an aminoplast oligomer or polymer
• AO denotes an alkylene oxide group
• R denotes hydrogen
• x and y are numerals greater than 1.
• reaction products formed by acid-catalyzed polycondensation of (a) 1 ,3,4,6-tetramethoxymethylglycoluril and (b) a polyethylene oxide diol with a degree of ethoxylation from 20 to 500, preferably from 50 to 350 and particularly from 100 to 250, and (c) an optionally ethoxylated hydrophobic alcohol, alkylphenol, thiol, carboxamide, carbamate or hydrophobic carboxylic acid.
• Preferred associative thickeners encompass PEG-180/octoxynol 40/tetramethoxymethylglycouril (TMMG) copolymer, PEG-180/laureth-50/tetramethoxymethylglycouril (TMMG) copolymer, PEG- 18/dodoxynol-5/PEG-25 tristyrylphenol/tetramethoxymethylglycouril (TMMG) copolymer and mixtures thereof.
• These associative thickeners are sold by Rockwood Additives under the trade name Pure® Thix.
• the associative thickener is used in a quantity of 0.1 wt.% to 10 wt.%, preferably 0.5 wt.% to 5 wt.% and particularly preferably 1 wt.% to 4 wt.%. It is particularly preferred that the associative thickener is used in the liquid textile or hard surface treatment agent in a quantity of 1 .5 wt.% to 3 wt.%.
• the textile or hard surface treatment agent is an aqueous textile or hard surface treatment agent and contains water as main solvent.
• a liquid textile or hard surface treatment agent may contain further ingredients that further improve the applications- engineering or aesthetic properties of the textile or hard surface treatment agent.
• the liquid textile or hard surface treatment agent by preference additionally contains one or more substances from the group of nonionic surfactants, builder, enzymes, nonaqueous solvents, pH adjusting agents, fluorescing agents, dyes, hydrotopes, silicone oils, anti- redeposition agents, anti-gray agents, shrinkage preventers, wrinkle protection agents, dye transfer inhibitors, corrosion inhibitors, antistatic agents, bittering agents, ironing adjuvants, proofing and impregnation agents, swelling and anti-slip agents, softening compounds and UV absorbers.
• nonionic surfactants nonionic surfactants, enzymes, non-aqueous solvents, pH adjusting agents, fluorescing agents, dyes, silicone oils, soil-release polymers, anti- gray agents, dye transfer inhibitors are most preferred included into a textile or hard surface treatment agent.
• the textile or hard surface treatment agent additionally contains a perfume composition in order to impart a pleasant scent to the laundry treated therewith and to the textile or hard surface treatment agent itself.
• the textile or hard surface treatment agent contains a perfume composition in a quantity of usually up to 3 wt.%, preferably 0.1 to 2 wt.%, particularly 0.2 to 1 .5 wt.% and particularly preferably 0.5 to 1 wt.%.
• the perfume composition can contain individual fragrance compounds, for example the synthetic products of the type of the esters, ethers, aldehydes, ketones, alcohols and hydrocarbons.
• fragrance composition can also contain natural fragrance compounds as may be obtained from plant sources.
• the perfume composition of the textile or hard surface treatment agent can also contain at least one aromatherapy component such as an essential oil.
• the fabric washing liquid composition comprises an encapsulated perfume and a free perfume.
• the liquid textile or hard surface treatment agent may also contain a non-ionic surfactant as additional ingredient at a level up to 5 % by weight of the liquid textile or hard surface treatment agent. It is preferred that the liquid textile or hard surface treatment agent additionally comprises a non-ionic surfactant.
• the nonionic surfactant that can be used are by preference alkoxylated, advantageously ethoxylated, in particular primary alcohols having by preference 8 to 18 carbon atoms and an average of 1 to 12 mol ethylene oxide (EO) per mol of alcohol, in which the alcohol residue can be linear or preferably methyl-branched in the 2-position, or can contain mixed linear and methyl- branched residues, such as those that are usually present in oxo alcohol residues.
• Particularly preferred, however, are alcohol ethoxylates having linear residues made up of alcohols of natural origin having 12 to 18 carbon atoms, e.g. from coconut, palm, tallow, or oleyl alcohol, and an average of 2 to 8 EO per mol of alcohol.
• the preferred ethoxylated alcohols include, for example, C -12-14 alcohols with 3 EO, 4 EO, 5 EO, or 7 EO, C 9 _n alcohols with 7 EO, C 3-15 alcohols with 3 EO, 5 EO, 7 EO, or 8 EO, Ci 2- 18 alcohols with 3 EO, 5 EO, or 7 EO, and mixtures thereof, such as mixtures of Ci 2- 14 alcohol with 3 EO and Ci 2- 18 alcohol with 7 EO.
• the degrees of ethoxylation indicated represent statistical averages, which can correspond to an integral or a fractional number for a specific product.
• Preferred alcohol ethoxylates exhibit a restricted distribution of homologs (narrow range ethoxylates, NRE).
• Non-ionic active detergent species that contain EO and PO groups together in the molecule are also usable according to the present invention.
• mixed alkoxylated nonionic active detergent species in which EO and PO units are distributed statistically rather than in block fashion. Such products are obtainable by the simultaneous action of ethylene oxide and propylene oxide on fatty alcohols.
• These non-ionic surfactants are obtainable, for example, under the commercial name Dehydol ® (from Cognis).
• the treatment agent according to the present invention can be used to clean hard surfaces or textile fabrics.
• hard surfaces for example comprise surfaces of stone or ceramic materials, rigid plastics materials, glass, porcelain or metal.
• Hard surfaces may be, for example, tableware, walls, tiles, work surfaces, painted surfaces, flooring or sanitary articles.
• the textile or hard surface treatment agent is manufactured using usual and known methods and processes.
• the constituents of the textile or hard surface treatment agent can be simply mixed in agitator vessels, the water, non-aqueous solvent, and surfactants usefully being prepared first. After cooling under stirring, if necessary at all, the further constituents are then added in portions.
• Table 1 shows the composition of a liquid textile treatment agent E1 and a liquid hard surface treatment agent E2 according to the present invention. Quantities are indicated in wt% of active matter.
• the treatment agents E1 and E2 according to the invention were clear and stable at storage temperatures of 0°C, 25°C and 40°C for 4 weeks.
• the viscosity of the treatment agents was measured using a Brookfield viscometer LVT-II at 10 rpm and 20°C, spindle 31. Without adding the nonionic, amphiphilic associative thickener the viscosity of the treatment agents was 0 mPas, whereas treatment agents E1 and E2 exhibited viscosities of 60 mPas each.

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• Chemical & Material Sciences (AREA)
• Life Sciences & Earth Sciences (AREA)
• Engineering & Computer Science (AREA)
• Chemical Kinetics & Catalysis (AREA)
• Oil, Petroleum & Natural Gas (AREA)
• Wood Science & Technology (AREA)
• Organic Chemistry (AREA)
• Crystallography & Structural Chemistry (AREA)
• Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)

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Cited By (5)

Citations (5)

• 2013
  • 2013-08-01 WO PCT/EP2013/066229 patent/WO2014026859A1/fr not_active Ceased

Patent Citations (5)

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