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
  • C11D3/38—Products with no well-defined composition, e.g. natural products
  • C11D3/386—Preparations containing enzymes, e.g. protease or amylase
• • 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
  • C11D1/02—Anionic compounds
  • C11D1/12—Sulfonic acids or sulfuric acid esters; Salts thereof
  • C11D1/123—Sulfonic acids or sulfuric acid esters; Salts thereof derived from carboxylic acids, e.g. sulfosuccinates
• • 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
  • C11D3/3945—Organic 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
  • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
  • C11D3/39—Organic or inorganic per-compounds
  • C11D3/3947—Liquid compositions

Definitions

• the present invention relates to a liquid detergent composition, in particular a detergent composition, which is composed of at least two subcomponents (components) present separately from one another.
• a major incompatibility problem is e.g. between preferred bleaching agents and enzymes and / or surfactants.
• a bleach-containing component composition As a bleach-containing component composition is described in WO 2004/053042 a composition is recommended which consists essentially of water and an organic peracid which may be dissolved in water, more preferably but at least partially undissolved in finely divided form.
• the partial composition should have an acidic pH and may optionally contain an anionic surfactant compatible with the organic peracid in amounts of up to 50% by weight, based on the partial composition ( WO 2004/053042 ). What surfactants can be compatible with the peracid is not described.
• the aim of the present invention was therefore to provide a bleach-containing composition which, together with an enzyme and preferably also surfactants-containing composition gives a good washing result and this with good storage stability.
• a liquid detergent according to claim 1 in particular a liquid detergent comprising at least one and preferably a bleach-containing liquid bleach component and at least one and preferably a wash component containing wash-active substances, the bleach component being characterized in that it comprises (i) as bleaching agent contains an organic peracid, in particular phthalimido peroxohexanoic acid (PAP), and (ii) a sulfosuccinate, and optionally a phosphonate.
• PAP phthalimido peroxohexanoic acid
• the organic peracid is at least partially undissolved in the form of small particles with particle sizes of 95% less than 50 microns before.
• the particle size is of about 90% of the particles in the range of 5 to 10 microns.
• Preferred sulfosuccinates are sulfosuccinates, such as laureth-sulfosuccinate, di-2-ethylhexyl-sulfosuccinate, di-iso-decyl-sulfosuccinate, di-iso-octyl-sulfosuccinate, sulfosuccinates of fatty acid alkanolamines and mixtures of such succinates, especially laureth-sulfosuccinates, especially preferably laureth -3-sulfosuccinate.
• Preferred sulfosuccinates are the (di) sodium salts.
• the positive influence on particle growth, resp. the prevention of such growth, is particularly beautiful when a composition according to the invention is subjected to a temperature swing test. Even at maximum temperatures of 40 ° C, as easily achieved in summer, there is a marked gain in stability.
• a phosphonate is added, in particular hydroxyethyl di-phosphonate (HEDP).
• HEDP hydroxyethyl di-phosphonate
• the bleaching component may contain a thickening agent, e.g. a thickening agent selected from the group of hydrocolloids such as xanthan or soluble cellulose derivatives and mixtures thereof.
• a thickening agent selected from the group of hydrocolloids such as xanthan or soluble cellulose derivatives and mixtures thereof.
• the peroxy acid is used (based on the total weight of the bleaching component) usually in amounts of 1-17 wt .-%, preferably 2-7 wt .-%, particularly preferably 3-6 wt .-%, and the sulfosuccinate usually in Amounts of 0.1 to 5 wt .-%, preferably 0.25 to 3 wt .-%, in particular from 0.5 to 2 wt .-%.
• Usual amounts of phosphonate are from 0.1 to 2.5 wt .-%, preferably 0.3 to 2 wt .-%, in particular from 0.5 to 1.5 wt .-%.
• the thickener is used in such amounts that, measured at 25 ° C with a Brookfield viscometer with a cylindrical spindle, a viscosity in the range of 300-1500 mPas, preferably 600-1000 mPas results.
• the pH of the bleaching component is usually 1.5 to 6.5, in particular 2.5 to 4.5.
• the bleaching component or other solvents resp. liquid carriers e.g. the preferred propylene glycol.
• Typical water contents are in the range of 50 to 95 wt .-% and conventional amounts of propylene glycol in the range of 0 to 10 wt .-%.
• the bleaching component may contain other substances, such as other surfactants, e.g. Na alkanesulfonate, amine oxide, alkyl polyglycoside, fatty alcohol ethoxylate and mixtures thereof.
• other surfactants e.g. Na alkanesulfonate, amine oxide, alkyl polyglycoside, fatty alcohol ethoxylate and mixtures thereof.
• a bleaching component with this composition is suitable for use in combination with any washing component, e.g. in the ratio 1: 1 to 1: 4 (bleaching component: washing component).
• Such a bleaching component is also outstandingly suitable for use together with a special, especially for low washing temperature suitable washing component.
• the number of ethylene oxide groups in the fatty acid ester is usually 5 to 15, preferably 8 to 12.
• the number of ethylene oxide groups in the etherified fatty alcohol is usually 3 to 15, preferably 5 to 9.
• the ratio of fatty acid ester to ethoxylated fatty alcohol is usually from 1: 1 to 1: 4, in particular 1: 1 to 1: 3, and the surfactant system is usually used in amounts of 5 to 70 wt .-%, preferably from 15 to 60 wt. -%, in particular from 20 to 55 wt .-% based on the washing component used.
• nonionic and / or ionic and / or amphoteric surfactants may be present. Preferred representatives are listed below.
• Anionic surfactants are, for example, alkanesulfonates, fatty alkyl ether sulfates, alkylbenzenesulfonates, cumene sulfonate, olefinsulfonates, fatty alcohol sulfonates and mixtures thereof, in particular alkanesulfonates, fatty alkyl ether sulfates, alkylbenzenesulfonates, cumene sulfonate and mixtures thereof.
• Nonionic surfactants are, for example, fatty alcohol ethoxylate, fatty acid polyglycol esters, sorbitan esters, alkylpolyglycoside, amine oxide and mixtures thereof, preferably fatty alcohol ethoxylate and / or fatty acid polyglycol ester.
• Amphoteric surfactants are, for example, ampholytic surfactants and betaines.
• the anionic surfactants are usually used in amounts ranging from 5 to 40% by weight, preferably 5 to 30% by weight and in particular 10 to 15% by weight, based on the weight of the total component, which, in addition to the inventive surfactant system, possibly additionally additionally present
• Nonionic surfactants are usually used in amounts ranging from 0 to 20 wt .-% and the amphoteric surfactants in the range of 1 to 20 wt .-%.
• Suitable enzymes in this washing component are all conventional enzymes, such as proteases, amylases, lipases, cellulases, glycosidases, for example mannanases and glucosidases. These are usually used in amounts of from 1 to 10% by weight of conventional liquid merchandise, in particular from 2.5 to 5% by weight, based on the total weight of the component.
• the washing component may contain soaps but does not have to.
• Suitable soaps are, for example, sodium and potassium soaps. These are usually used in amounts of from 0 to 20% by weight, in particular from 1 to 5% by weight, based on the total weight of the component.
• solvents such as glycols, polyglycols, alcohols and water and mixtures thereof, but preferably also defoamers, for example commercially available silicone defoamers.
• defoamers for example commercially available silicone defoamers.
• phosphonates and cationic surfactants as well as substances selected from the group comprising organic and inorganic bases, optical brighteners, perfume oils, dyes, preservatives, opacifiers and thickeners. All these substances are commercially available and can be used in the appropriate quality.
• Solvents such as glycols, polyglycols and alcohols, are usually used in total amounts of from 0 to 40% by weight, in particular from 5 to 30% by weight, based on the total weight of the component, and water in amounts of from 5 to 60% by weight. %, in particular in amounts of 10 to 45 wt .-%.
• Usual amounts of defoamer are 0 to 3 wt .-%, in particular 0 to 1.5 wt .-% and of phosphonates 0 to 1.5 wt .-%, in particular 0 to 0.75 wt .-%.
• Cationic surfactants are used in amounts of 0 to 5 wt .-%, in particular from 0 to 0.5 wt .-%.
• a thickener eg a polyacrylate, can be used to adjust the viscosity of the wash component.
• a thickening agent is usually present in amounts of from 0 to 5% by weight, preferably in amounts of from 0.5 to 1.5% by weight.
• the washing component usually has a pH of from 3 to 11, preferably from 6 to 9.
• the preferred washing component according to the invention is already very active in washing at temperatures of 20-30 ° C. and this also in the eco or short program. Together with the bleaching component according to the invention, it also gives an excellent washing result even after months of storage.
• the bleaching component can be prepared by simply mixing the ingredients in the desired amounts, using a thickening agent such as xanthan to pre-swell in water, then adding the remaining ingredients in any order.
• the preparation of the washing component is not critical; it can be prepared by simply mixing the ingredients in the desired amounts.
• the liquid detergent according to the invention can be packaged in separate containers, eg as a kit, but preferably in portioned two-chamber containers, eg bags which dissolve without residue in the washing machine or can be used in an applicator in which the casing is pierced, for example in rupturable 2-chamber containers or - especially preferred - in 2- or multi-chamber bottles.
• Suitable containers are known (see WO 2004/053042 , in particular S. 3, 3. Abs. to S. 5 middle).
• Washing components suitable for use with the bleaching component of the present invention can be prepared by simply mixing the ingredients in the desired amounts.
• suitable (T7) and more preferably (T1-T6) wash components are given in Table 2 below.
• T7 alkylbenzenesulfonate 15 - - - - - - - Na-alkanesulfonate - 15 10 7 8th - 30
• Fatty alkyl ether sulfate 2-3 EO - - - - - - - 5 Fatty alcohol ethoxylates 6-7
• Enzymes protee, amylase, lipase, cellulase and mannana
• the bleaching components were subjected to a temperature swing test. Each 500 ml of the bleaching components were stored over a period of 3 months in a climatic cabinet, which changes its temperature from 4 ° C to 40 ° C and vice versa every 12 hours. During the Period, the samples were visually assessed and at the end of the additional content of PAP was determined.
• the experiments were carried out in a Miele washing machine (Novotronic W300-75CH) with the 30 ° C temperature short program (main wash and staged spin) using 4 kg fiber and 2 pieces WFK dirt ballast fabric.
• the washing effect was measured as a remission increase on the test soils pigment / skin fat, soot / mineral oil, used motor oil, aged yolk and starch / pigment on WFK cotton. In each case 75 ml of the washing component were used per wash.
• the special washing component T4 was compared with a conventional washing component of the following composition (in% by weight):

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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)

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Cited By (13)

Citations (3)

• 2006
  • 2006-04-26 AT AT06008622T patent/ATE392465T1/de active
  • 2006-04-26 DE DE502006000627T patent/DE502006000627D1/de active Active
  • 2006-04-26 EP EP06008622A patent/EP1717302B1/fr not_active Not-in-force

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