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
  • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
  • C11D3/16—Organic compounds
  • C11D3/37—Polymers
• • 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
  • C11D3/3757—(Co)polymerised carboxylic acids, -anhydrides, -esters in solid and liquid compositions
• • 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
  • C11D3/3769—(Co)polymerised monomers containing nitrogen, e.g. carbonamides, nitriles or amines

Definitions

• the present invention relates to a cleaning composition or rinsing agent for the treatment of industrial hard surfaces or community, including glass, glass, ceramic, tile, hard organic polymer, metal, wood ... intended to confer on them hydrophilic properties as well as protective (anticorrosion) properties of the glass, dishes and decorations by washing-up media during washings repeated in automatic dishwasher.
• the invention more particularly relates to a composition cleaning agent for the treatment of a hard surface which is suitable for conferring this one of residual hydrophilic properties so as to avoid the presence subsequent traces due in particular to the drying of water drops deposited on said surface.
• detergent formulations help to effectively clean hard industrial, domestic or community. They generally consist of an aqueous solution of surfactants, especially nonionic and anionic surfactants, alcohol (s) to facilitate drying, and optionally sequestering agents and bases to adjust the pH.
• An important defect of these detergent formulations is the subsequent contact of the hard surface with water can lead to drying in the presence of traces. This contact with water after application of detergent can come for example from rainwater in the case of windows, network water on a bathroom tile, or rinsing water when cleaning requires rinsing. They can also come from drying dishes in the open air in the case of detergent formulas for clean dishes by hand, or machine dish drying automatic when it comes to detergent for dishwasher machine. In the automatic cleaning of the crockery, the said formula may be used in the cleaning cycle (detergent formula) or during rinsing (rinsing liquid).
• the solution is to increase the hydrophilicity of the surface in order to achieve the lowest possible contact angle between the hard surface to treat and the drop of water.
• JP 61 60 9884 -A- discloses a composition for treatment anti-static materials made of synthetic fibers, plastic films or paper, comprising a polymer derived from a polycationic monomer and a guanidine salt.
• the monomer (a) can be prepared for example according to the following reaction schemes:
• the monomer (a) imparts to the copolymer interaction with the surface to be treated, in particular allowing anchoring of the copolymer on this surface.
• the monomer (b) and optionally the monomer (c) gives the copolymer of hydrophilic characteristics which, after anchoring of the copolymer on the surface to be treated are transmitted to it.
• the copolymer used in the invention advantageously has a molecular weight of at least 1000, preferably at least 10,000; it can be up to 20 000 000, advantageously up to 10 000 000.
• molecular weight in weight, expressed in g / mol. This can be determined by aqueous gel permeation chromatography (GPC) or measurement of the intrinsic viscosity in a 1 N solution of NaNO 3 at 30 ° C.
• the copolymer is preferably random.
• the preferred monomer (a) is the DIQUAT of the following formula:
• Anions X are in particular a halogen anion, preferably chlorine, sulphonate, sulphate, hydrogen sulphate, phosphate, phosphonate, citrate, formate and acetate.
• the monomers (b) are advantageously monoethylenically unsaturated C 3 -C 8 carboxylic, sulphonic, sulfuric, phosphonic or phosphoric acids, their anhydrides and their water-soluble salts.
• acrylic acid methacrylic acid, ⁇ -ethacrylic acid, ⁇ , ⁇ -dimethylacrylic acid, methylenemalonic acid, vinylacetic acid, allylacetic acid, acid ethylidineacetic acid, propylidineacetic acid, crotonic acid, acid maleic acid, fumaric acid, itaconic acid, citraconic acid, mesaconic, N-methacrylalanine, N-acryloyl-hydroxy-glycine, acrylate sulfopropyl, sulfoethyl acrylate, sulfoethyl methacrylate, acid styrene sulfonic acid, vinyl sulfonic acid, vinylphosphonic acid, acrylate phosphoethyl, phophonoethyl acrylate, phosphopropyl acrylate, phophonopropyl acrylate, phosphoethyl methacrylate
• acrylamide vinyl alcohol
• C 1 -C 4 alkyl esters of acrylic acid and of methacrylic acid hydroxyalkyl esters of C 1 -C 4 acrylic acid and methacrylic acid, in particular acrylate and methacrylate ethylene glycol and propylene glycol
• polyalkoxylated esters of acrylic acid and methacrylic acid including the esters of polyethylene glycol and polypropylene glycol, esters of acrylic acid or methacrylic acid and polyethylene glycol or polypropylene glycol mono C 1 -C 25 alkyl ethers, vinyl acetate, vinylpyrrolidone, methylvinylether.
• the level of monomers (a) is advantageously between 3 and 80 mol%, preferably 10 to 60 mol%.
• the level of monomers (b) is advantageously between 10 and 95 mol%, preferably 20 to 70 mol%.
• the level of monomers (c) is advantageously between 0 and 50%, preferably 0 and 30%, most preferably 5 to 25% molar.
• the molar ratio of cationic monomer to monomer anionic (a) / (b) is advantageously between 80/20 and 5/95, preferably between 60/40 and 20/80.
• copolymers used in the invention can be obtained according to known techniques for preparing the copolymers, in particular by radical polymerization of the ethylenically starting monomers unsaturated compounds which are known or easily by the person skilled in the art using synthetic methods classical organic chemistry.
• the radical polymerization is preferably conducted in a oxygen-free environment, for example in the presence of an inert gas (helium, argon, etc.) or nitrogen.
• the reaction is carried out in a solvent inert, preferably methanol or ethanol, and more preferably in the water.
• the polymerization is initiated by the addition of an initiator of polymerization.
• the initiators used are the initiators of free radicals usually used in the art. Examples include organic peresters (t-butylperoxypivalate, t-amylperoxypivalate, t-butylperoxy- ⁇ -ethylhexanoate, etc); organic compounds of the azo type, for example, azo-bis-amidino-propane hydrochloride, azobis-isobutyronitrile, azo-bis-2,4-dimethylvaleronitrile, etc); peroxides inorganic and organic, eg hydrogen peroxide, peroxide benzyl and butyl peroxide, etc .; redox initiator systems, by examples those comprising oxidizing agents, such as persulfates (especially ammonium or alkali persulfates, etc.); the chlorates and bromates (including chlorates and / or bromates inorganic or organic); reducing agents
• Preferred initiators are water soluble initiators. Especially preferred is sodium persulfate and azo-bis-amidinopropane hydrochloride.
• the polymerization can be initiated by irradiation at using ultraviolet light.
• the quantity of initiators used is in general a sufficient quantity can carry out the initiation of the polymerization.
• the initiators are present in an amount ranging from 0.001 to approximately 10% by weight relative to the total weight of the monomers, and preferably less than 0.5% by weight per relative to the total weight of the monomers, a preferred amount being the range of 0.005 to 0.5% by weight relative to the total weight of the monomers.
• the initiator is added to the polymerization mixture, in a continuous manner either discontinuously.
• the polymerization is carried out under effective reaction conditions for polymerize the monomers (a), the monomers (b) and optionally the monomers (c) in an oxygen-free atmosphere.
• the reaction is conducted at a temperature of from about 30 ° to about 100 ° and preferably between 60 ° and 90 ° C.
• the oxygen-free atmosphere is maintained throughout the duration of the reaction, for example by maintaining a purge of nitrogen throughout the reaction.
• x having an average value of 0 to 50%, preferably 0 to 30%, most preferably 5 to 25%
• y having an average value of 10 to 95%, preferably 20 to 70%
• z having an average value of 3 to 80%, preferably 10 to 60%
• the ratio y / z being preferably of the order of 4/1 to 1/2
• x + y + z 100%
• x, y and z representing the mol% of units respectively derived from acrylamide, of acrylic acid (sodium salt) and DIQUAT.
• the copolymers can be used in particularly in cleaning compositions for hard surfaces.
• copolymers are useful for giving surfaces on which they are applied hydrophilic properties, in particular for imparting anti-stain or anti-stick trace properties.
• anti-trace or anti-persistent stain properties is meant that the treated surface retains these properties over time, including after further contact with water, whether it is rainwater, water of the distribution network or of the rinsing water with or without added rinsing.
• Said copolymers can be introduced into a formulation cleaning or rinsing intended to treat hard surfaces to a certain between 0.0005% and 10%, preferably between 0.001 and 5% by weight relative to the total weight of the formulation, depending on the concentration of active ingredients of the composition.
• composition according to the invention comprises less a surfactant.
• This is advantageously anionic and / or not ionic. It can also be cationic, amphoteric or zwitterionic.
• the polymer weight ratio of formula the surfactant is between 1/2 and 1/100, advantageously 1/5 and 1/50.
• soaps such as C 8 -C 24 fatty acid salts, for example the salts of fatty acids derived from coconut and tallow; alkylbenzenesulfonates, especially linear C 8 -C 13 alkyl-benzenesulphonates, in which the alkyl group comprises from 10 to 16 carbon atoms, alcohol-sulphates, ethoxylated alcohol-sulphonates, hydroxyalkylsulphonates; alkyl sulphates and sulphonates, especially C 12 -C 16 , monoglyceride sulphates, and condensates of fatty acid chloride with hydroxyalkyl sulphonates.
• soaps such as C 8 -C 24 fatty acid salts, for example the salts of fatty acids derived from coconut and tallow; alkylbenzenesulfonates, especially linear C 8 -C 13 alkyl-benzenesulphonates, in which the alkyl group comprises from 10 to 16 carbon atoms, alcohol
• alkylene oxide condensates especially ethylene oxide condensates with alcohols, polyols, alkylphenols, fatty acid esters, amides of fatty acids and fatty amines; amine-oxides, derivatives of sugar such as alkylpolyglycosides or esters of fatty acids and sugars, especially sucrose monopalmitate; phosphine oxides tertiary long chain; dialkyl sulfoxides; block copolymers of polyoxyethylene and polyoxypropylene; polyalkoxylated sorbitan esters ; sorbitan fatty esters, poly (ethylene oxide) and acid amides modified to give them a hydrophobic character (eg for example, mono- and diethanolamides of fatty acids containing from 10 to 18 carbon atoms).
• alkylene oxide condensates especially ethylene oxide condensates with alcohols, polyols, alkylphenols, fatty acid esters, amides of fatty acids and fatty
• zwitterionic surfactants include aliphatic quaternary ammonium derivatives, especially 3- (N, N-dimethyl-N-hexadecylammonio) propane-1-sulphonate and 3- (N, N-dimethyl-N-hexadecyl-ammonio) 2-hydroxypropane 1-sulfonate.
• amphoteric surfactants include betaines, sulfobetaines and carboxylates and fatty acid sulfonates and imidazole.
• surfactants are compounds generally used as designated surfactants in the well-known "Surface Active Agents” manuals, volume I by Schwartz and Perry and Surface Active Agents and Detergents, Volume II by Schwartz, Perry and Berch.
• the surfactants may be present, if necessary, at 0.005 to 60%, especially 0.5 to 40% by weight depending on the nature of the surfactant (s) and the purpose of the composition cleaning or rinsing.
• compositions according to the invention can be diluted (in water) from 1 to 10,000 times, preferably from 1 to 1,000 times before use.
• the cleaning composition according to the invention is applied to the surface to be treated in an amount such that, after rinsing, it is possible, and after drying, a copolymer deposit according to the invention of 0.0001 to 1 g / m 2 , preferably from 0.001 to 0.1 g / m 2 of surface to be treated.
• the composition cleaning agent according to the invention is used for surface treatment glass, including windows.
• This treatment can be carried out by the various known techniques. We can mention in particular the cleaning techniques windows by spraying a jet of water using Karcher® type appliances.
• the quantity of polymer introduced will generally be such that when using the cleaning composition, after any dilution, the concentration is between 0.001 g / l and 2 g / l, preferably 0.005 g / l and 0.5 g / l.
• composition of the invention is also of interest for cleaning the dishes by hand or automatic machine.
• said copolymer may be present either in the detergent formula used in the wash cycle, either in the rinsing liquid.
• Dishwashing detergent formulations in automatic dishwashers advantageously comprise from 0.1 to 5%, preferably from 0.2 to 3% by weight of water-soluble copolymer or hydrodispersible relative to the total weight of dry matter of the composition.
• Detergent compositions for dishwashers include also at least one surfactant, preferably nonionic in amount ranging from 0.2 to 10% preferably from 0.5 to 5% by weight of said detergent composition expressed as dry matter, the remainder being various additives and fillers, as already mentioned above.
• surfactant preferably nonionic in amount ranging from 0.2 to 10% preferably from 0.5 to 5% by weight of said detergent composition expressed as dry matter, the remainder being various additives and fillers, as already mentioned above.
• These formulas usually include 30 to 95% of an agent builder, chosen among silicates, phosphates, carbonates. They include also an oxidizing system, introduced at a content of between 3 and 25%.
• Dishwashing formulations for dishwashers automatically comprise from 0.02 to 10%, preferably from 0.1 to 5% by weight of copolymer relative to the total weight of the composition.
• They also comprise 0.2 to 15%, preferably 0.5 to 5% by weight relative to the total weight of said composition of an agent surfactant, preferably nonionic or a mixture of nonionic surfactant and anionic.
• an agent surfactant preferably nonionic or a mixture of nonionic surfactant and anionic.
• nonionic surfactants mention may be made of polyoxyethylenated C 6 -C 12 alkylphenol-type surfactants, polyoxyethylenated and / or polyoxypropylenated C 8 -C 22 aliphatic alcohols, ethylene oxide-oxide block copolymers, and the like. propylene, optionally polyoxyethylenated carboxylic amides.
• They furthermore comprise from 0 to 40%, preferably from 3 to 30%. % by weight relative to the total weight of the composition of an organic acid sequestering calcium, preferably citric acid.
• They may also include an auxiliary agent of the type copolymer of acrylic acid and maleic anhydride or homopolymers 0 to 15% acrylic acid, preferably 0 to 10% by weight relative to the total weight of said composition.
• the invention also relates to a cleaning composition for washing dishes by hand.
• Preferred detergent formulations of this type comprise from 0.1 to 5 parts by weight of the copolymer of the invention per 100 parts by weight of said composition and contain from 3 to 50, preferably from 10 to 40 parts by weight of at least one surfactant, preferably anionic, chosen in particular from sulphates of saturated C 5 -C 24 aliphatic alcohols, preferably of C 10 -C 16 , optionally condensed with approximately 0.5 to 30, preferably 0.5 at 5, in particular 0.5 to 3 moles of ethylene oxide, in acid form or in the form of a salt, in particular alkaline (sodium), alkaline earth (calcium, magnesium).
• surfactant preferably anionic, chosen in particular from sulphates of saturated C 5 -C 24 aliphatic alcohols, preferably of C 10 -C 16 , optionally condensed with approximately 0.5 to 30, preferably 0.5 at 5, in particular 0.5 to 3 moles of ethylene oxide, in acid form or in the form of a salt, in particular alkaline (sodium
• the present invention is aimed more particularly at formulations aqueous lathering liquid detergents for hand washing of the washing up.
• Another subject of the invention consists of a composition cleaning agent for external cleaning, in particular of the bodywork, motor vehicles.
• the copolymer according to the invention can be present either in a detergent formula used for the washing operation, either in a rinsing product.
• the minimum amount of surfactant present in the type of composition may be at least 1% of the formulation
• composition of the invention is also particularly suitable for the cleaning of hard surfaces other than those described above, ceramics (tiling, bathtubs, washbasins, etc ).
• the cleaning formulation includes advantageously from 0.02 to 5% by weight of copolymer relative to the weight total of said composition and at least one surfactant.
• non-surfactants are preferred.
• ionic compounds in particular compounds produced by condensation of alkylene oxide as described above which are hydrophilic in nature with a hydrophobic organic compound which may be aliphatic in nature or alkyl aromatic.
• the length of the hydrophilic chain or the polyoxyalkylene radical condensed with any hydrophobic group can be easily adjusted to obtain a water-soluble compound having the desired degree of equilibrium hydrophilic / hydrophobic (HBL).
• the amount of nonionic surfactants in the composition of the invention is generally from 0 to 30% by weight, preferably from 0 to 20% by weight.
• Anionic surfactant may optionally be present in amount of 0 to 30%, advantageously 0 to 20% by weight.
• amphoteric, cationic or zwitterionic detergents in the composition of the present invention for cleaning hard surfaces.
• the total amount of surfactant compounds used in this type of composition is generally between 1.5 and 50%, preferably between 5 and 30% by weight, and more particularly between 10 and 20% by weight relative to the total weight of the composition.
• the hard surface cleaning composition of the present invention invention may also contain other minority ingredients which are cleaning additives.
• composition may contain adjuvants of detergents ("builders") organic or mineral as mentioned previously.
• builders organic or mineral as mentioned previously.
• the detergency builder is used in a quantity between 0.1 and 25% by weight relative to the total weight of the composition.
• a foam regulating agent which can be used in compositions with a tendency to produce excess foam when used.
• a foam regulating agent is a foam regulating agent, which can be used in compositions with a tendency to produce excess foam when used.
• Soaps are salts of fatty acids and include soaps alkali metals, in particular the sodium, potassium, ammonium and alkanol ammonium of higher fatty acids containing from about 8 to 24 carbon atoms, and preferably from about 10 to about 20 carbon atoms. carbon.
• the amount of soap can be at least 0.005% by weight, preferably from 0.5% to 2% by weight relative to the weight total of the composition.
• Additional examples of materials from regulation of the foam are organic solvents, hydrophobic silica, silicone oil and hydrocarbons.
• the hard surface cleaning compositions of the present invention invention may also contain in addition to the above ingredients mentioned, other optional ingredients such as regulating agents pH, dyes, optical brighteners, suspending agents, soils, detergent enzymes, compatible bleaching agents, regulators of gel formation, stabilizers of freeze-thawing, bactericides, preservatives, solvents, fungicides, insect repellents, hydrotropic agents, perfumes and opacifiers or pertescents.
• other optional ingredients such as regulating agents pH, dyes, optical brighteners, suspending agents, soils, detergent enzymes, compatible bleaching agents, regulators of gel formation, stabilizers of freeze-thawing, bactericides, preservatives, solvents, fungicides, insect repellents, hydrotropic agents, perfumes and opacifiers or pertescents.
• composition of the invention can also be used by cleaning the toilet bowls.
• a composition particularly suitable for this purpose comprises from 0.05 to 5% by weight of copolymer used according to the invention.
• composition for cleaning toilet bowls according to the invention also includes an acidic cleaner which may consist of a mineral acid such as phosphoric acid, sulfamic acid, hydrochloric acid, hydrofluoric, sulfuric, nitric, chromic and mixtures thereof or a organic acid, especially acetic acid, hydroxyacetic acid, adipic acid, citric, formic, fumaric, gluconic, glutaric, malic, maleic, lactic, malonic, oxalic, succinic and tartaric, as well as mixtures thereof, acid salts such as sodium bisulfate and mixtures thereof.
• a mineral acid such as phosphoric acid, sulfamic acid, hydrochloric acid, hydrofluoric, sulfuric, nitric, chromic and mixtures thereof
• organic acid especially acetic acid, hydroxyacetic acid, adipic acid, citric, formic, fumaric, gluconic, glutaric, malic, maleic, lactic, mal
• the amount of acidic ingredients is preferably between 0.1 to about 40%, and preferably 0.5 to about 15% by weight relative to the total weight of the composition.
• the preferred amount depends on the type of acid cleaner used: for example with sulfamic acid. It is between about 0.2 and about 1%, with hydrochloric acid between about 1 and about 5%, with citric acid between about 2 and about 10%, with formic acid, between about 5 and about 15% and with phosphoric acid, between about 5 and about 30% by weight.
• the amount of acidic agent is generally such that the final pH the composition is from about 0.5 to about 4, preferably 1 to 3.
• the toilet bowl cleaning composition includes also from 0.5 to 10% by weight of a surfactant so as to contribute to the removal of soiling or to provide characteristics of foaming or wetting or to increase the cleaning efficiency of the composition.
• the surfactant is preferably anionic or nonionic surfactant.
• Cationic surfactants can also be added to the cleaning composition of toilet bowls according to the invention for bring germicidal properties.
• agents Amphoteric surfactants can also be used. Mixtures of Various surfactants can be used if desired.
• the cleaning composition of toilet bowls according to the invention may also comprise a gum-type thickener, especially a xanthan gum introduced at a concentration of 0.1 to 3% and one or more of the following minority ingredients: an agent preservative intended to prevent the growth of microorganisms in the product, dye, perfume, and / or abrasive.
• a gum-type thickener especially a xanthan gum introduced at a concentration of 0.1 to 3% and one or more of the following minority ingredients: an agent preservative intended to prevent the growth of microorganisms in the product, dye, perfume, and / or abrasive.
• composition according to the invention is also suitable for rinsing shower walls.
• Aqueous compositions for rinsing the walls of showers comprise from 0.02% to 5% by weight, preferably from 0.05% to 1% by weight. copolymer used according to the invention.
• compositions Aqueous shower rinse devices of the present invention are at least one surfactant present in an amount of from 0.5 to 5% by weight and optionally a chelating agent of metals present in an amount ranging from 0.01 to 5% by weight.
• the preferred metal chelating agents are the acid ethylenediaminetetraacetic acid (EDTA) and its analogues.
• Aqueous shower rinse compositions contain advantageously water with possibly at least one lower alcohol in proportion and additives in a minority proportion (between approximately 0.1 and about 5% by weight, more preferably between about 0.5% and about 3% by weight, and even more preferably between about 1% and about 2 % in weight).
• Preferred surfactants are polyethoxylated fatty esters, for example polyethoxylated sorbitan mono-oleates and castor oil polyethoxylated.
• Specific examples of such surfactants are the condensation products of 20 moles of ethylene oxide and mono-oleate sorbitan (marketed by RHODIA Inc. under the name ALKAMULS PSMO-20® with an HLB of 15.0) and 30 or 40 moles of ethylene oxide and of castor oil (marketed by Rhodia Inc. under the name ALKAMULS EL-620 ® (HLB 12.0) and EL-719® (HLB 13.6) respectively).
• the degree of ethoxylation is preferably sufficient to obtain a surfactant having an HLB greater than 13.
• Other surfactants such as that alkylpolyglucosides are also well suited to these compositions.
• composition according to the invention can also be works for the cleaning of vitroceramic plates.
• the biocide is preferably present in the composition aqueous biocidal cleaner at a concentration in the range of 0.1% to 20% weight, preferably of the order of 0.5% to 5% by weight.
• the copolymer may be present in the aqueous biocidal cleaning composition at a concentration of the order of 0.01% to 20% by weight, preferably in the range of 0.05 to 5% by weight. said The copolymer, in itself, generally does not have any biocidal activity.
• aqueous biocidal cleaning composition can be present at the rate of 1 to 25%, preferably in the range of 2 to 10% by weight of the aqueous biocidal cleaning composition.
• chelating agents such as aminocarboxylates (ethylenediaminetetraacetates, nitrilotriacetates, N, N-bis (carboxymethyl) glutamates, citrates), alcohols (ethanol, isopropanol, glycols), adjuvants detergents (phosphates, silicates), dyes, perfumes
• Said biocidal cleaning composition can be implemented for disinfection of floors, walls, work surfaces, equipment, furniture, instruments, in industry, the agri-food sector, domestic areas (kitchens, bathrooms) and in the community.
• surfaces that can be treated are those in ceramic, glass, polyvinyl chloride, formica or other organic polymer hard, stainless steel, aluminum, wood
• the cleaning and disinfection operation consists of applying said biocidal cleaning composition, optionally diluted 1 to 1000 times, preferably from 1 to 100 times, on the hard surface to be treated.
• the amount of biocidal system that can be favorably used is that corresponding to a deposit of 0.01 to 10 g, preferably from 0.1 to 1 g of biocide per m 2 of surface and to a deposit of 0.001 to 2 g, preferably from 0.01 to 0.5 g of copolymer of the invention per m 2 of surface.
• the biocidal system of the invention is particularly effective on gram-negative microorganisms Pseudomonas aeroginosa, Gram-positive Staphylococcus aureus , the fungus Aspergillus niger.
• the invention also relates to the use of a water-soluble or water-dispersible copolymer as defined above for cleaning or rinsing a hard surface, in particular to give a hard surface, hydrophilization properties.
• hydrophilic properties conferred by the copolymer of the invention are in particular properties "anti-flow”, “anti-fog” and “anti-stain” and / or "anti-trace” properties.
• composition cleaning agent comprising at least one copolymer according to the invention.
• It also relates to the use of a copolymer such that previously defined to improve the drying speed of a hard surface on which the copolymer is applied.
• Another object of the invention is the use, in a detergent composition for dishwashing in the dishwasher automatically, a copolymer according to the invention as an agent for eliminating or to reduce the corrosion of the glass and the decorations present on the glass or dishes during repeated washings.
• the subject of the invention is a method for the protection of glass, crockery and decorations, by washing glass and dishes in an automatic dishwasher, using a cleaning composition comprising at least one copolymer according to the invention.
• the resulting mixture is gently heated to a pH of about 2.6 under a gentle nitrogen purge at 75 ° C. After 30 minutes, when the When the temperature reaches 75 ° C., a solution of initiator based on sodium persulfate (0.1 g in 1.0 g deionized water) at one time in the reactor. Cooling is necessary to maintain the temperature at 75 ° C, and the mixture becomes viscous after about 45 minutes. Two additional portions of persulfate-based initiation solution are added after one and two hours of reaction respectively. Then, the The reaction mixture is heated to a temperature of 85 ° C and maintained at this temperature for two more hours before being cooled down to 25 ° C. The viscosity of the resulting polymer solution 1 is about 29,500 mPa.s. with a total solids content of about 20.5%. The pH of the solution to 10% is about 2.2. The residual acrylamide is less than 0.1% by weight.
• the process is the same as that of Examples 1 to 5, except that the acrylic acid is replaced by N- (1-sulfo-2-isobutyl) acrylamide.
• the formulations of Examples 7 to 9 are used as such by spraying on the surface of the panes to be cleaned (6 to 8 sprays, ie 3 to 5 g of formulation per m 2 of surface.
• the formulations of Examples 10 and 11 are diluted before use, at the rate of 10g of formulation in 1 liter of water.
• a basic detergent formula is prepared from the compounds given in the table below: compounds % weight Granulated sodium tripolyphosphate 45 Sodium carbonate 4 Granular sodium disilicate 26 Sodium perborate monohydrate 7 DAT 2 Sodium sulphate 16
• This simplified glass corrosion test reproduces some washing conditions of the dishwasher machines, in particular cycles of washing, rinsing and drying.
• the glass used consists of microscope slides of dimension 2.5 x 7.5 cm, previously cleaned with ethanol, blades whose composition given below is close to that of table glasses: Yes 33.4% by weight It 3.4% by weight mg 1.7% by weight N / A 14.0% by weight al 0.6% by weight
• a glass slide is totally immersed in inclined position.
• the container is then closed and placed in an oven at 65 ° C.
• the blade is removed from the container after 72 hours, rinsed twice on each face to the permuted water with a squeegee, brushed with the finger to remove the film possibly formed, dried in ambient air for 2 hours.
• the blade is weighed after cooling to room temperature and the relative mass variation (in% x 1000) is calculated. The test is repeated again for confirmation of results.
• Corrosion visible to the eye is evaluated with respect to a reference not subject to the test.
• the corrosion assessment is done visually with a scale from 1 to 5 points, taking as reference the glasses in new condition, by 9 people trained.
• Example Comparative Example 12 Comparative Example 13 Comparative Example 14
• Example 15 Example 16
• Example 17 Composition Basic formula: 98% Sodium sulphate: 2% Basic formula: 98% Polymer 7: 2% Basic formula: 98% Polymer 7: 2% Basic formula: 98% Polymer 2: 2% Basic formula: 98% Polymer 3: 2% Basic formula: 98% Polymer 4: 2% final pH 10.33 10.35 10.35 10.32 10.33 10.35 Mass loss 10 -3 % 213 235 210 57 60 90 Visual appreciation 4.5 4.5 4.5 1 1 1.5
• Examples 15, 16 and 17 show that the polymers of the invention provide effective glass protection against corrosion, which is not obtained with Examples 12, 13 and 14.
• Example 15 Example 16
• Example 17 Nonionic surfactant C13-3OP-7OE (linear fatty alcohol EO / OP) 12 12 12 Citric acid 3 3 3
• Polymer Polymer 1 (2%) polymer 3 (2%) polymer 5 (2%) Water qsp to 100 qsp to 100 qsp to 100
• Formulation example 18 example 19 Sodium alkylsulphonate (C14) 24 12 Ethoxylated fatty alcohol C12 - 1,5 EO 5 3 Ethoxylated fatty alcohol C10 - 7OE 4 4 Polymer polymer 4 (2%) polymer 6 (2%) Water qsp to 100 qsp to 100
• Formulation example 20 example 21 Sodium alkylsulphonate (C12) 24 12 Ethoxylated fatty alcohol C12 - 6 EO 5 3 Ethanol 4 4 Polymer polymer 3 (2%) polymer 5 (2%) Water qsp to 100 qsp to 100
• Example 26 Example 27
• Example 28 Nonionic surfactant (C10 alcohol, 6 ethylene oxide units) 5% 5% 5% 5% Rhodaquat biocide RP50% of active ingredient 1,5% 1,5% 1,5% Polymer% of active ingredient Polymer 1 0.15 or 0.2% Polymer 3 0,5% Polymer 4 0.2% Water
• Rhodaquat RP50 biocide is a 50% aqueous solution of active ingredient of C12-C14 alkyl benzyl dimethyl ammonium chloride marketed by Rhodia.
• Example 26 The formulation of Example 26 is tested on white ceramic according to the following protocol:

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• 1999
  • 1999-07-15 FR FR9909185A patent/FR2796392B1/fr not_active Expired - Fee Related
• 2000
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• 2009
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