EP2398884A1 - Produit détergent contenant du percarbonate - Google Patents

Produit détergent contenant du percarbonate

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Publication number
EP2398884A1
EP2398884A1 EP10709918A EP10709918A EP2398884A1 EP 2398884 A1 EP2398884 A1 EP 2398884A1 EP 10709918 A EP10709918 A EP 10709918A EP 10709918 A EP10709918 A EP 10709918A EP 2398884 A1 EP2398884 A1 EP 2398884A1
Authority
EP
European Patent Office
Prior art keywords
acid
composition
detergent
polymers
sodium
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP10709918A
Other languages
German (de)
English (en)
Inventor
Roberto Casonati
Ralf Wiedemann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Reckitt Benckiser NV
Original Assignee
Reckitt Benckiser NV
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Reckitt Benckiser NV filed Critical Reckitt Benckiser NV
Publication of EP2398884A1 publication Critical patent/EP2398884A1/fr
Withdrawn legal-status Critical Current

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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
    • C11D3/39—Organic or inorganic per-compounds
    • C11D3/3942—Inorganic per-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
    • C11D17/04—Detergent materials or soaps characterised by their shape or physical properties combined with or containing other objects
    • C11D17/041—Compositions releasably affixed on a substrate or incorporated into a dispensing means
    • 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
    • C11D17/04—Detergent materials or soaps characterised by their shape or physical properties combined with or containing other objects
    • C11D17/041—Compositions releasably affixed on a substrate or incorporated into a dispensing means
    • C11D17/042—Water soluble or water disintegrable containers or substrates containing cleaning compositions or additives for cleaning 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
    • C11D3/02—Inorganic compounds ; Elemental compounds
    • C11D3/04—Water-soluble compounds
    • C11D3/08—Silicates

Definitions

  • This invention relates to a product and to its use in a machine washing method.
  • detergent compositions for use in automatic washing formulations have been proposed and are used. These include solid detergent in the form of tablets or a granular composition, liquids and packaged compositions.
  • the packaged compositions may be packaged in cardboard boxes, tubs, bags, bottles, flow wrappers or other packaging means.
  • Bottles and tubs provide good protection against moisture but use a lot of plastic. Bags are a reasonable compromise on plastic use and moisture barrier but due to their transparency to light are susceptible to discoloration in case the packed material is reactive.
  • a detergent product comprising a con- tainer containing a detergent composition, which includes a percarbonate compound in an amount of greater than 20wt%, preferably greater than 35% the container being formed of an insoluble material, • wherein the detergent composition comprises a silicate in an amount of greater than 0.5wt%.
  • the packaging may comprise from lOOg to 500Og of the composition. Preferably from 30Og to 200Og.
  • silicate helps to passivate packaging material surfaces as well as interaction between granules of the composition.
  • bleaches As well as the percarbonate other bleaches may be present in the composition.
  • bleaches that may be used are oxygen bleaches.
  • Peroxygen bleaching actives are: perborates, peroxides, peroxyhydrates, persulfates.
  • a preferred compound is sodium percarbonate and especially the coated grades that have better stability.
  • the percarbonate can be coated with silicates, borates, waxes, sodium sulfate, sodium carbonate and surfactants solid at room temperature.
  • the compositions may additionally comprise from 0.01 to 30 %wt, preferably from 2 to 20 %wt of bleach precursors.
  • Suitable bleach precursors are peracid precursors, i.e. compounds that upon reaction with hydrogen peroxide product peroxyacids .
  • peracid precursors suitable for use can be found among the classes of anhydrides, amides, imides and esters such as acetyl triethyl citrate (ATC) , tetra acetyl ethylene diamine (TAED), succinic or maleic anhydrides.
  • ATC acetyl triethyl citrate
  • TAED tetra acetyl ethylene diamine
  • a surfactant when present in the composition, it may be present in an amount of, for example, from 0.01 to 50 %wt, ideally 0.1 to 30 %wt and preferably 0.5 to 10 %wt .
  • Suitable surfactants that may be employed include anionic or nonionic surfactants or mixture thereof.
  • the nonionic surfactant is preferably a surfactant having a formula RO (CH 2 CH 2 O) n H wherein R is a mixture of linear, even carbon-number hydrocarbon chains ranging from Ci 2 H 2 5 to C 16 H 33 and n represents the number of repeating units and is a number of from about 1 to about 12.
  • examples of other non-ionic surfactants include higher aliphatic primary alcohol containing about twelve to about 16 carbon atoms which are condensed with about three to thirteen moles of ethylene oxide per mole of alcohol (i.e. equivalents) .
  • nonionic surfactants include primary alcohol ethoxylates (available under the Neodol tradename from Shell Co.), such as Cu alkanol condensed with 9 equivalents of ethylene oxide (Neodol 1-9), C12-13 alkanol condensed with 6.5 equivalents ethylene oxide (Neodol 23- 6.5), C 12 - 13 alkanol with 9 equivalents of ethylene oxide (Neodol 23-9) , C 12 - 15 alkanol condensed with 7 or 3 equiva- lents ethylene oxide (Neodol 25-7 or Neodol 25-3) , Ci 4 - I5 alkanol condensed with 13 equivalents ethylene oxide (Neodol 45-13), Cg-n linear ethoxylated alcohol, averaging 2.5 moles of ethylene oxide per mole of alcohol (Neodol 91-2.5) , and the like.
  • primary alcohol ethoxylates available under the Neodo
  • nonionic surfactants suitable for use include ethylene oxide condensate products of secondary aliphatic alcohols containing 11 to 18 carbon atoms in a straight or branched chain configuration condensed with 5 to 30 equivalents of ethylene oxide.
  • examples of commercially available non-ionic detergents of the foregoing type are Cn- 15 secondary alkanol condensed with either 9 equivalents of ethylene oxide (Tergitol 15-S-9) or 12 equivalents of ethylene oxide (Tergitol 15-S-12) marketed by Union Carbide, a subsidiary of Dow Chemical.
  • Octylphenoxy polyethoxyethanol type nonionic surfactants for example, Triton X-IOO, as well as amine oxides can also be used as a nonionic surfactant.
  • linear primary alcohol ethoxylates are available under the Tomadol tradename such as, for example, Tomadol 1-7, a Cu linear primary alcohol ethoxylate with 7 equivalents EO; Tomadol 25-7, a C 12 - 15 linear primary alcohol ethoxylate with 7 equivalents EO; Tomadol 45- 7, a C 14 - 15 linear primary alcohol ethoxylate with 7 equivalents EO; and Tomadol 91-6, a Cg-u linear alcohol ethoxylate with 6 equivalents EO.
  • Tomadol 1-7 a Cu linear primary alcohol ethoxylate with 7 equivalents EO
  • Tomadol 25-7 a C 12 - 15 linear primary alcohol ethoxylate with 7 equivalents EO
  • Tomadol 45- 7, a C 14 - 15 linear primary alcohol ethoxylate with 7 equivalents EO and Tomadol 91-6, a Cg-u linear alcohol ethoxylate with 6 equivalents EO.
  • nonionic surfactants are amine oxides, alkyl amide oxide surfactants.
  • Preferred anionic surfactants are frequently provided as alkali metal salts, ammonium salts, amine salts, aminoal- cohol salts or magnesium salts.
  • sulfate or sulfonate compounds including: alkyl benzene sulfates, alkyl sulfates, alkyl ether sulfates, alkylamidoether sulfates, alkylaryl polyether sulfates, monoglyceride sulfates, alkylsulfonates, alkylamide sulfonates, alkylarylsulfonates, olefinsulfonates, paraffin sulfonates, alkyl sulfosuccinates, alkyl ether sulfo- succinates, alkylamide sulfosuccinates, alkyl sulfosucci- namate, alkyl sulfoacetates, alkyl phosphates, alkyl ether phosphates, acyl sarconsinates, acyl isethionates, and N- acyl tau
  • surfactants which may be used are alkyl naphthalene sulfonates and oleoyl sarcosinates and mixtures thereof.
  • any suitable soil catcher may be employed. Unlike detergents or surfactants, which simply aid in the removal of soils from surfaces, the soil catcher actively binds to the soil allowing it to be removed from the surface of the laundry. Once bound, the soil is less likely to be able to redeposit onto the surface of the laundry.
  • Preferred soil catchers have a high affinity to both oily and water- soluble soil.
  • the soil catcher is a mixture of two or more soil catchers, each soil catcher may have a different affinity for different soils.
  • Preferred soil catchers for oily soils have a non polar structure with high absorption capability.
  • Preferred water based soil catchers are generally charged and have a high surface area in order to attract the soil by electrostatic charge and collect it.
  • Suitable soil catchers include polymers, such as acrylic polymers, polyesters and polyvinylpyrrolidone (PVP) .
  • the polymers may be crosslinked, examples of which include crosslinked acrylic polymers and crosslinked PVP.
  • Super absorbing polymers are mainly acrylic polymers and they are useful for the scope of this patent.
  • ethylidene norbene polymers ethylidene norbene/ethylene copolymers, ethylidene nor- bene/propylene/ethylidene ter-polymers .
  • Inorganic materials may also be employed. Examples include zeolites, talc, bentonites and active carbon. The latter may be used to absorb and/or degrade coloured parts of stain and/or absorb odours. Alginates, carrageneans and chito- san may also be used.
  • Preferred water insoluble agents are selected from at least one of acrylic polymer, polyester, polyvinylpyrrolidone (PVP) , silica, silicate, zeolite, talc, bentonites, active carbon, alginates, carrageneans, ethylidene morbene/propylene/ethylidene ter- polymers and chitosan in the manufacture of a detergent composition as an active agent for binding soil.
  • the detergent composition is a laundry cleaning composition or stain-removing composition.
  • water-insoluble soil catcher compounds comprise a solid cross-linked polyvinyl N-oxide, or chitosan product or ethylidene nor- bene/propylene/ethylidene ter-polymers or blend of the same, as discussed more fully hereafter.
  • Water soluble polymeric soil catcher agents that are suitable to be bound to insoluble carriers, or to be made insoluble via cross-linking are those polymers known in the art to inhibit the transfer of dyes from coloured fabrics onto fabrics washed therewith. These polymers have the ability to complex or adsorb the fugitive dyes washed out of dyed fabrics before the dyes have the opportunity to become attached to other articles in the wash.
  • Especially- suitable polymeric soil catcher agents are polyamine N- oxide polymers, polymers and copolymers of N- vinylpyrrolidone and N-vinylimidazole, vinyloxazolidones, vinylpyridine, vinylpyridine N-oxide, other vinylpyridine derivatives or mixtures thereof.
  • the soil catcher may be present in the detergent composition in an amount of 0.01 to 100 %wt of the composition, preferably from 1 to 90 %wt, more preferably from 5 to 50 %wt.
  • the composition advantageously additionally comprises cleaning agents selected from the group consisting of, fillers, builders, chelating agents, activators, fragrances, enzymes or a mixture thereof.
  • cleaning agents selected from the group consisting of, fillers, builders, chelating agents, activators, fragrances, enzymes or a mixture thereof.
  • These active agents are generally water soluble, so dissolve during the wash. Thus the additional active agents are released over a period of time when exposed to water in the laundry washing machine.
  • Suitable fillers include bicarbonates and carbonates of metals, such as alkali metals and alkaline earth metals. Examples include sodium carbonate, sodium bicarbonate, calcium carbonate, calcium bicarbonate, magnesium carbonate, magnesium bicarbonate and sesqui-carbonates of so- dium, calcium and/or magnesium. Other examples include metal carboxy glycine and metal glycine carbonate. Chlorides, such as sodium chloride; citrates; and sulfates, such as sodium sulfate, calcium sulfate and magnesium sulfate, may also be employed.
  • the filler may be present in an amount of 0.1 to 80 %wt, preferably 1 to 60 %wt .
  • the composition may comprise at least one builder or a combination of them, for example in an amount of from 0.01 to 80%wt, preferably from 0.1 to 50%wt.
  • Builders may be used as chelating agents for metals, as anti-redeposition agents and/or as alkalis.
  • the parent acids of the monomeric or oligomeric polycarboxylate chelating agents or mixtures thereof with their salts e.g. citric acid or citrate/citric acid mixtures are also contemplated as useful builder components.
  • borate builders as well as builders containing bo- rate-forming materials than can produce borate under detergent storage or wash conditions can also be used.
  • phosphate builders are the alkali metal tripolyphosphates, sodium potassium and ammonium pyrophosphate, sodium and potassium and ammonium pyrophosphate, sodium and potassium orthophosphate sodium poly- meta/phosphate in which the degree of polymerisation ranges from 6 to 21, and salts of phytic acid.
  • water-soluble phosphate builders are the alkali metal tripolyphosphates, sodium, potassium and ammonium pyrophosphate, sodium, potassium and ammonium pyrophosphate, sodium and potassium orthophosphate, sodium po- lymeta/phosphate in which the degree of polymerization ranges from 6 to 21, and salts of phytic acid.
  • Such polymers include polycarboxylates containing two carboxy groups, water-soluble salts of succinic acid, malonic acid, (ethylenedioxy) diacetic acid, maleic acid, digly- colic acid, tartaric acid, tartronic acid and fumaric acid, as well as the ether carboxylates and the sulfinyl carboxylates .
  • Polycarboxylates containing three carboxy groups include, in particular, water-soluble citrates, aconitrates and citraconates as well as succinate derivates such as the carboxymethloxysuccinates described in GB-A-1, 379, 241, lactoxysuccinates described in GB-A-I, 389, 732, and amino- succinates described in NL-A-7205873, and the oxypolycar- boxylate materials such as 2-oxa-l, 1, 3-propane tricarboxy- lates described in GB-A-I, 387 , 447.
  • Polycarboxylate containing four carboxy groups include oxydisuccinates disclosed in GB-A-I, 261, 829, 1,1,2,2- ethane tetracarboxylates, 1, 1, 3, 3-propane tetracarboxy- lates and 1, 1, 2, 3-propane tetracarobyxlates .
  • Polycarboxylates containing sulfo substituents include the sulfosuc- cinate derivatives disclosed in GB-A-I, 398, 421, GB-A- 1,398,422 and US-A-3, 936448, and the sulfonated pyrolysed citrates described in GB-A-I, 439, 000.
  • Alicylic and heterocyclic polycarboxylates include cyclopentane-cis, cis, cis-tetracarboxylates, cyclopentadi- enide pentacarboxylates, 2, 3, 4, 5, 6-hexane - hexacarboxy- lates and carboxymethyl derivates of polyhydric alcohols such as sorbitol, mannitol and xylitol.
  • Aromatic polycar- boxylates include mellitic acid, pyromellitic acid and the phthalic acid derivatives disclosed in GB-A-I, 425, 343.
  • the preferred polycarboxylates are hydroxy- carboxylates containing up to three carboxy groups per molecule, more particularly citrates.
  • Suitable polymer water-soluble compounds include the water soluble monomeric polycarboxylates, or their acid forms, homo or copolymeric polycarboxylic acids or their salts in which the polycarboxylic acid comprises at least two car- boxylic radicals separated from each other by not more than two carbon atoms, carbonates, bicarbonates, borates, phosphates, and mixtures of any of the foregoing.
  • the carboxylate or polycarboxylate builder can be monomeric or oligomeric in type although monomeric polycarboxylates are generally preferred for reasons of cost and performance .
  • Suitable carboxylates containing one carboxy group include the water soluble salts of lactic acid, glycolic acid and ether derivatives thereof.
  • Polycarboxylates containing two carboxy groups include the water-soluble salts of succinic acid, malonic acid, (ethylenedioxy) diacetic acid, maleic acid, diglycolic acid, tartaric acid, tartronic acid and fumaric acid, as well as the ether carboxylates and' the sulfinyl carboxylates.
  • Polycarboxylates containing three carboxy groups include, in particular, water- soluble citrates, aconitrates and citraconates as well as succinate derivates such as the carboxymethloxysuccinates described in GB-A-I, 379, 241, lactoxysuccinates described in GB-A-I, 389, 732, and aminosuccinates described in NL-A- 7205873, and the oxypolycarboxylate materials such as 2- oxa-1, 1, 3-propane tricarboxylates described in GB-A- 1,387,447.
  • Polycarboxylate containing four carboxy groups include oxydisuccinates disclosed in GB-A-1, 261, 829, 1,1,2,2- ethane tetracarboxylates, 1, 1, 3, 3-propane tetracarboxy- lates and 1, 1, 2 , 3-propane tetracarobyxlates .
  • Polycarboxy- lates containing sulfo substituents include the sulfosuc- cinate derivatives disclosed in GB-A-I, 398, 421, GB-A- 1,398,422 and US-A-3, 936448 , and the sulfonated pyrolysed citrates described in GB-A-I, 439, 000.
  • Alicylic and heterocyclic polycarboxylates include cyclopentane-cis, cis, cis-tetracarboxylates, cyclopentadi- enide pentacarboxylates, 2, 3, 4 , 5, 6-hexane - hexacarboxy- lates and carboxymethyl derivates of polyhydric alcohols such as sorbitol, mannitol and xylitol.
  • Aromatic polycarboxylates include mellitic acid, pyromellitic acid and the phthalic acid derivatives disclosed in GB-A-I, 425, 343.
  • the preferred polycarboxylates are hydroxy- carboxylates containing up to three carboxy groups per molecule, more particularly citrates.
  • More preferred polymers are homopolymers, copolymers and multiple polymers of acrylic, fluorinated acrylic, sulfonated styrene, maleic anhydride, methacrylic, iso- butylene, styrene and ester monomers.
  • these polymers are Acusol supplied from Rohm & Haas, Syntran supplied from Interpolymer and the Versa and Alcosperse series supplied from Alco Chemical, a National Starch & Chemical Company.
  • the parent acids of the monomeric or oligomeric polycar- boxylate chelating agents or mixtures thereof with their salts e.g. citric acid or citrate/citric acid mixtures are also contemplated as useful builder components.
  • bicarbonate and carbonate builders are the alkaline earth and the alkali metal carbonates, including sodium and calcium carbonate and sesqui-carbonate and mixtures thereof.
  • carbonate type builders are the metal carboxy glycine and metal glycine carbonates .
  • builders are compounds that sequester metal ions associated with the hardness of water, e.g. calcium and magnesium, whereas chelating agents are compounds that sequester transition metal ions capable of catalysing the degradation of oxygen bleach systems.
  • certain compounds may have the ability to do perform both functions .
  • Suitable chelating agents to be used herein include chelating agents selected from the group of phosphonate chelating agents, amino carboxylate chelating agents, poly- functionally-substituted aromatic chelating agents, and further chelating agents like glycine, salicylic acid, as- partic acid, glutamic acid, malonic acid, or mixtures thereof. Chelating agents when used, are typically pre- sent herein in amounts ranging from 0.01 to 50 %wt of the total composition and preferably from 0.05 to 10 %wt .
  • Suitable phosphonate chelating agents to be used herein may include ethydronic acid as well as amino phosphonate compounds, including amino alkylene poly (alkylene phosphonate) , alkali metal ethane 1-hydroxy diphosphonates, nitrilo trimethylene phosphonates, ethylene diamine tetra methylene phosphonates, and diethylene triamine penta methylene phosphonates.
  • the phosphonate compounds may be present either in their acid form or as salts of different cations on some or all of their acid functionalities.
  • Preferred phosphonate chelating agents to be used herein are diethylene triamine penta methylene phosphonates. Such phosphonate chelating agents are commercially available from Monsanto under the trade name DEQUEST TM.
  • Polyfunctionally-substituted aromatic chelating agents may also be useful in the compositions herein. See U.S. patent 3,812,044, issued May 21, 1974, to Connor et al.
  • Preferred compounds of this type in acid form are dihydroxy- disulfobenzenes such as 1, 2-dihydroxy -3, 5-disulfobenzene .
  • a preferred biodegradable chelating agent for use herein is ethylene diamine N, N ' -disuccinic acid, or alkali metal, or alkaline earth, ammonium or substituted ammonium salts thereof or mixtures thereof.
  • Ethylenediamine N,N'- disuccinic acids, especially the (S, S) isomer have been extensively described in US patent 4, 704, 233, November 3, 1987, to Hartman and Perkins.
  • Ethylenediamine N,N'- disuccinic acid is, for instance, commercially available under the tradename ssEDDS TM from Palmer Research Laboratories .
  • Suitable amino carboxylates to be used herein include ethylene diamine tetra acetates, diethylene triamine pen- taacetates, diethylene triamine pentaacetate (DTPA), N- hy- droxyethylethylenediamine triacetates, nitrilotri- acetates, ethylenediamine tetrapropionates, triethylene- tetraaminehexa-acetates, ethanol-diglycines, propylene diamine tetracetic acid (PDTA) and methyl glycine diacetic acid (MGDA) , both in their acid form, or in their alkali metal, ammonium, and substituted ammonium salt forms.
  • PDTA propylene diamine tetracetic acid
  • MGDA methyl glycine diacetic acid
  • Particularly suitable amino carboxylates to be used herein are diethylene triamine penta acetic acid, propylene diamine tetracetic acid (PDTA) which is, for instance, commercially available from BASF under the trade name Trilon FS TM and methyl glycine di-acetic acid (MGDA) .
  • PDTA propylene diamine tetracetic acid
  • MGDA methyl glycine di-acetic acid
  • the detergent compositions may comprise a solvent.
  • Solvents can be used in amounts from 0.01 to 30 %wt, preferably in amounts of 0.1 to 3 %wt .
  • the solvent constituent may include one or more alcohol, glycol, acetate, ether acetate, glycerol, polyethylene glycol with molecular weights ranging from 200 to 1000, silicones or glycol ethers.
  • Exemplary alcohols useful in the compositions include C 2 - 8 primary and secondary alcohols which may be straight chained or branched, preferably pentanol and hex- anol .
  • Preferred solvents are glycol ethers.
  • examples include those glycol ethers having the general structure R a -O- [CH 2 -CH(R)-(CH 2 ) -O] n -H, wherein R a is Ci-20 alkyl or al- kenyl, or a cyclic alkane group of at least 6 carbon atoms, which may be fully or partially unsaturated or aro ⁇ matic; n is an integer from 1 to 10, preferably from 1 to 5; and each R is selected from H or CH 3 .
  • Specific and preferred solvents are selected from propylene glycol methyl ether, dipropylene glycol methyl ether, tripropyl- ene glycol methyl ether, propylene glycol n-propyl ether, ethylene glycol n-butyl ether, diethylene glycol n-butyl ether, diethylene glycol methyl ether, propylene glycol, ethylene glycol, isopropanol, ethanol, methanol, diethylene glycol monoethyl ether acetate, and, especially, propylene glycol phenyl ether, ethylene glycol hexyl ether and diethylene glycol hexyl ether.
  • the composition may, for example, comprise one enzyme or a combination of them, for example in an amount of from 0.01 to 10 %wt, preferably from 0.1 to 2 %wt .
  • Enzymes in granular form are preferred.
  • suitable enzymes are proteases, modified proteases stable in oxidisable conditions, amylases, lipases and cellulases.
  • the detergent composition comprises the following admixture :-
  • the detergent composition is preferably in the form of a powder.
  • powder we mean any solid, flow able composition.
  • the powder may, for example, be in the form of granules or agglomerated particles. It may, however, be in the form of a loose agglomeration of particles.
  • the dso particle size of the particles may range from 0.001 Dm to 10 mm, preferably from 0.01 Dm to 2 mm, and more preferably from 0.1 Dm to 2 mm, for example 1 Dm to 1 mm.
  • the detergent composition is enclosed in a container which is impermeable to water and to components dissolved therein. Such an enclosed product may be used in the washing cycle of a laundry washing machine.
  • Suitable materials for forming the enclosing wall are a polyolefin, such as polyethylene or polypropylene, or another polymer such as a polyester or polyamide.
  • One or more of the walls may comprise an admixture of different components.
  • one or more of the walls may comprise a laminated structure comprising a plurality of layers, with each of the layers having an identical or more preferably a non-identical composition.
  • the container material comprises a laminate whereby the inner layer comprises PE (e.g. of 140 micron thickness) and the outer layer comprises any other polyolefin such as PP, PE or PET, preferably PET (e.g. of 20 micron thickness).
  • PE e.g. of 140 micron thickness
  • PET e.g. of 20 micron thickness
  • Powders were stored in a pouch made of plastic foil.
  • the foil was composed of a laminate of 140 micron layer of PE and a 20 micron layer of PET.
  • the PE material was the inner material of the pouch formed of such film.
  • lkg of the testing powder formulation was filled in the formed pouch and the pouches were closed by sealing. 5 pouches were used per product and were assessed after 6 weeks of storage at 40 0 C and 75% rH. For the assessment the pouches were cut open after cooling to room temperature and a panel of 5 persons assessed the degree of yellowing of the inner pouch material.
  • the evaluation scale was the following:

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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)
  • Inorganic Chemistry (AREA)
  • Detergent Compositions (AREA)

Abstract

La présente invention concerne un produit détergent comprenant un récipient contenant une composition détergente. La composition comprend un percarbonate en quantité supérieure à 20 % en poids, de préférence supérieure à 35 %. Le récipient est formé d'un matériau insoluble. La composition détergente comprend un silicate en quantité supérieure à 0,5 % en poids.
EP10709918A 2009-02-23 2010-02-19 Produit détergent contenant du percarbonate Withdrawn EP2398884A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB0902959.6A GB0902959D0 (en) 2009-02-23 2009-02-23 Composition
PCT/GB2010/000291 WO2010094924A1 (fr) 2009-02-23 2010-02-19 Produit détergent contenant du percarbonate

Publications (1)

Publication Number Publication Date
EP2398884A1 true EP2398884A1 (fr) 2011-12-28

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EP10709918A Withdrawn EP2398884A1 (fr) 2009-02-23 2010-02-19 Produit détergent contenant du percarbonate

Country Status (9)

Country Link
US (1) US20120067764A1 (fr)
EP (1) EP2398884A1 (fr)
CN (1) CN102325867A (fr)
AU (1) AU2010215325A1 (fr)
BR (1) BRPI1008386A2 (fr)
CA (1) CA2752755A1 (fr)
GB (1) GB0902959D0 (fr)
WO (1) WO2010094924A1 (fr)
ZA (1) ZA201106070B (fr)

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US20160145542A1 (en) * 2014-11-25 2016-05-26 Milliken & Company Cleaning Composition
MX2022011147A (es) * 2020-03-10 2022-11-30 Soakness Llc Formulación de producto de baño de disolución de percarbonato de sodio.

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US20120067764A1 (en) 2012-03-22
GB0902959D0 (en) 2009-04-08
CA2752755A1 (fr) 2010-08-26
BRPI1008386A2 (pt) 2018-03-06
AU2010215325A1 (en) 2011-09-08
ZA201106070B (en) 2012-10-31
CN102325867A (zh) 2012-01-18
WO2010094924A1 (fr) 2010-08-26

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