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WO2002031099A1 - Composition detergente sous forme solide - Google Patents

Composition detergente sous forme solide Download PDF

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Publication number
WO2002031099A1
WO2002031099A1 PCT/EP2001/011621 EP0111621W WO0231099A1 WO 2002031099 A1 WO2002031099 A1 WO 2002031099A1 EP 0111621 W EP0111621 W EP 0111621W WO 0231099 A1 WO0231099 A1 WO 0231099A1
Authority
WO
WIPO (PCT)
Prior art keywords
melt
detergent composition
fatty acid
soap
detergent
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.)
Ceased
Application number
PCT/EP2001/011621
Other languages
English (en)
Inventor
Suresh Murigeppa Nadakatti
Vijay Mukund Naik
Shiju Thomas
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.)
Hindustan Unilever Ltd
Unilever NV
Original Assignee
Hindustan Lever Ltd
Unilever 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 Hindustan Lever Ltd, Unilever NV filed Critical Hindustan Lever Ltd
Priority to DE60125206T priority Critical patent/DE60125206T2/de
Priority to BR0114810-9A priority patent/BR0114810A/pt
Priority to JP2002534470A priority patent/JP2004511626A/ja
Priority to MXPA03003257A priority patent/MXPA03003257A/es
Priority to AU9189201A priority patent/AU9189201A/xx
Priority to CA002425294A priority patent/CA2425294A1/fr
Priority to AU2001291892A priority patent/AU2001291892B2/en
Priority to EP01972097A priority patent/EP1325104B1/fr
Publication of WO2002031099A1 publication Critical patent/WO2002031099A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

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
    • C11D3/02—Inorganic compounds ; Elemental compounds
    • C11D3/04—Water-soluble compounds
    • C11D3/046—Salts
    • 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
    • C11D10/00—Compositions of detergents, not provided for by one single preceding group
    • C11D10/04—Compositions of detergents, not provided for by one single preceding group based on mixtures of surface-active non-soap compounds and soap
    • 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
    • C11D17/0047—Detergents in the form of bars or tablets
    • C11D17/0052—Cast detergent 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
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/02—Anionic 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
    • 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
    • C11D1/14—Sulfonic acids or sulfuric acid esters; Salts thereof derived from aliphatic hydrocarbons or mono-alcohols
    • C11D1/143—Sulfonic acid esters
    • 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
    • C11D1/14—Sulfonic acids or sulfuric acid esters; Salts thereof derived from aliphatic hydrocarbons or mono-alcohols
    • C11D1/146—Sulfuric acid esters
    • 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
    • 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
    • C11D1/66—Non-ionic 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
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/88—Ampholytes; Electroneutral 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
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/88—Ampholytes; Electroneutral compounds
    • C11D1/90—Betaines

Definitions

  • the present invention relates to providing a suitable type and combination of fatty acid(s) to form soap for obtaining melt-cast solid shaped detergent compositions comprising very high levels of water or liquid benefit agents.
  • Detergent tablets or bars are conventionally manufactured by one of the two methods: (i) shear working /homogenisation of the formulation followed by extrusion and stamping, or (ii) casting.
  • the amount of water that can be incorporated into the formulation is typically less than ⁇ 15%.
  • These systems are multiphase composites which exhibit "bricks suspended in mortar" type of morphology.
  • the bricks are solid particles, which in the case of toilet soaps are crystalline salts of long chain saturated fatty acids, inorganic fillers, etc.
  • the mortar is a mixture of various lyotropic liquid crystalline or isotropic solution phases comprising water, liquid additives, and relatively water-soluble soaps or surfactants. These compositions would typically comprise 50- 60% solids, 20-30% lyotropic liquid crystalline phases and about 10% isotropic liquid.
  • the formulated system is taken to a fluid state by raising the temperature, filled into moulds, and is then cooled.
  • This technology is commonly employed for manufacturing transparent personal wash tablets that contain among other ingredients (such as soap and synthetic surfactants) typically 15-50% of expensive components such as ethanol, polyhydric alcohols, sugars, etc., at the time of casting.
  • compositions claimed in US 5,340,492 will be soft, exhibiting an yield stress of less than 75 kPa as measured using a cheese wire cutter apparatus, and hence can not be employed as firm tablets which are rigid enough to be conveniently held in the hand for use.
  • the examples in the patent employ ingredients such as polyols (e.g. propylene glycol) in the composition, under the guise of so called “bar appearance aids” .
  • the patent does not disclose any composition without the incorporation of " "bar appearance aids” when synthetic surfactants are also present in the composition. These bar appearance aids are expensive, and also reduce the amount and speed of lather.
  • melt-cast detergent compositions comprising fatty acid soap, detergent active, very high levels of water or liquid benefit agents result in rigid solid shaped articles exhibiting an yield stress greater than 75 kPa as measured using a cheese wire cutter apparatus.
  • fatty acid soap according to the above application is one or more of neutralised C 6 -C 2 fatty acids.
  • the object of the present invention is thus to provide the required fatty acid combination to form the soap in melt cast detergent bar compositions comprising very high levels of water or liquid benefit agents, such that the detergent composition forms a rigid tablet at temperatures greater than 20°C and retains rigidity at least up to 40°C.
  • the invention relates to a melt-cast solid shaped detergent composition that forms a rigid product at temperatures greater than 20°C and retains rigidity at least up to 40°C comprising: a) 2-50 (X a ) % by weight saturated fatty acid soap comprising one or more salts of C6-C2 4 fatty acids, b) 2-40% by weight of detergent active species, c) 0.5-20% by weight of a salting-in electrolyte, and d) 30-80% by weight water and optionally other liquid benefit agents,
  • saturated soap comprises one or more salts of
  • Cg-C24 fatty acids is characterised in that its (X a )% solution in water forms a liquid phase with a viscosity ⁇ 50 Pa.s at a shear rate of 1/sec in the temperature range 50- 100°C, shows phase separation and presence of a solid phase during cooling up to 20°C and the said solid phase is present at least up to 40°C during heating.
  • the cooling or heating to detect the solid phase is preferably at a rate of 0.1°C/minute to 10°C/minute, more preferably l°C/minute.
  • the presence of solid phase is preferably detected using low field NMR technique where the said solid phase exhibits Gaussian decay with relaxation time constant T 2 ⁇ 15 ⁇ sec. During the use of the low field
  • the detergent active is predominantly non-soap.
  • a process for manufacturing the solid shaped detergent composition comprising the steps of: a. selecting the fatty acid soap comprising one or more of salts of C 6 -C 24 fatty acids such that the solution of the soap in water forms a liquid phase with a viscosity ⁇ 50 Pa.s at a shear rate of 1/sec in the temperature range 50- 100°C, shows phase separation and presence of a solid phase during cooling up to 20°C and the said solid phase is present at least up to 40°C during heating; b. mixing the said fatty acid soap with 2-40% of a detergent active species, 0.5-20% of a salting-in electrolyte, and 30-80% water and optionally other liquid benefit agents; c. melting the composition of step (b) ; d. pouring the said melt into a mould to obtain the desired shape; and e. cooling the mould under quiescent conditions to bring about solidification.
  • a process for manufacturing cast-in-pack solid shaped detergent composition comprising the steps of: a. selecting the fatty acid soap comprising one or more of salts of C 6 -C 24 fatty acids such that the solution of the soap in water forms a liquid phase with a viscosity ⁇ 50 Pa.s at a shear rate of 1/sec in the temperature range 50- 100°C, shows phase separation and presence of a solid phase during cooling up to 20°C and the said solid phase is present at least up to 40°C during heating; b. mixing the said fatty acid soap with 2-40% of a detergent active species, 0.5-20% of a salting-in electrolyte, and 30-80% water and optionally other liquid benefit agents; c. melting the composition of step (b) and pouring the said melt into a pre-formed polymeric mould to obtain the desired shape; d. sealing the mould; and e. cooling the mould under quiescent conditions to bring about solidification
  • the present invention relates to melt-cast solid shaped detergent compositions that essentially comprises selecting the fatty acid soap comprising one or more of salts of C 6 -C 24 fatty acids such that the solution of the soap in water forms a liquid phase with a viscosity ⁇ 50 Pa.s at a shear rate of 1/sec in the temperature range 50-100°C, shows phase separation and presence of a solid phase when cooled up to 20°C and the said solid phase is present at least up to 40°C during heating.
  • the cooling or heating to detect the solid phase is preferably at a rate of 0.1°C/minute to 10°C/minute more preferably l°C/minute.
  • the presence of solid phase is preferably detected using low field NMR technique where the said solid phase exhibits Gaussian decay with relaxation time constant T 2 ⁇ 15 ⁇ sec.
  • T 2 ⁇ 15 ⁇ sec relaxation time constant
  • the solid shaped articles of the composition according to the invention are rigid enough to be conveniently held in the hand, economical, high foaming, and exhibit good in-use properties.
  • the compositions exhibit yield stress values greater than 75 kPa as measured using the automatic penetrometer.
  • the saturated fatty acid soap is preferably selected from one or more salts of saturated C 6 -C 24 fatty acids.
  • the soap employed may be a sodium, potassium, magnesium, aluminium, calcium or lithium salt of saturated fatty acids. It is especially preferred to have soap obtained as sodium or potassium salt of saturated fatty acid.
  • the saturated fatty acid soap in the composition is preferably 5-50% by weight and more preferably 5-40% by wt.
  • the viscosity of the soap-water system in the temperature range 50-100°C is measured using Carri-Med rheometer (Model CSL 500 from TA instruments) at a shear rate of 1/sec.
  • the viscosity measurements were carried out in the steady state flow mode using cone and plate geometry of 2 cm diameter and 1 deg 58 in dimensions with 55 micron truncation, along with a solvent trap.
  • the melt of the soap-water system at elevated temperature is then cooled to a temperature up to 20°C to determine the temperature at which phase separation occurs and solid phase is formed.
  • the system is then heated to ensure that the said solid phase is present at least up to 40°C during heating.
  • compositions according to the invention comprise detergent actives that may be soap or non-soap based. It is preferable to employ non-soap detergent actives that are selected from anionic, non-ionic, cationic, amphoteric or zwitterionic surfactants or their mixtures.
  • Suitable anionic detergent active compounds are water soluble salts of organic sulphuric reaction products having in the molecular structure an alkyl radical containing from 8 to 22 carbon atoms, and a radical chosen from sulphonic acid or sulphuric acid ester radicals and mixtures thereof.
  • Some examples of synthetic anionic detergent active compounds are linear alkyl benzene sulphonate, sodium lauryl sulphate, sodium lauryl ether sulphate, alpha olefin sulphonate, alkyl ether sulphate, fatty methyl ester sulphonate, alkyl isothionate, etc.
  • the cations most suitable in above detergent active species are sodium, potassium, ammonium, and various amines e.g. monoethanol amine, diethanolamine and triethanolamine.
  • Suitable non-ionic detergent active compounds can be broadly described as compounds produced by the condensation of alkylene oxide groups, which are hydrophilic in nature, with an organic hydrophobic compound which may be aliphatic or alkyl aromatic in nature.
  • the common non-ionic surfactants are the condensation products of aliphatic alcohols having from 8 to 22 carbon atoms in either straight or branched chain configuration with ethylene oxide, such as a coconut oil ethylene oxide condensate having from 2 to 15 moles of ethylene oxide per mole of coconut alcohol.
  • non-ionic surfactants are alkyl phenol ethylene oxide (EO) condensate, tallow alcohol 10 EO condensate, alkyl de- methyl amine oxides, lauryl mono-ethanolamide, sugar esters, etc.
  • EO alkyl phenol ethylene oxide
  • amphoteric detergent active Some examples of amphoteric detergent active are coco amidopropyl betaine, cocobetaine, etc.
  • compositions according to the invention It is also possible optionally to include cationic or zwitterionic detergent actives in the compositions according to the invention.
  • the detergent active to be employed in the detergent composition of this invention is preferably anionic and will generally be up to 50% and more preferably from 2 to 30%.
  • Salting-in electrolytes for use in the composition are selected from those listed in the ⁇ Hofmeister' or ⁇ Lyotropic' series.
  • the salting-in electrolytes are generally those wherein the lyotropic number for the anion of the electrolyte is > 10.
  • Some examples of anions with lyotropic number > 10 are NO 2 , CIO 3 , Br , NO 3 , CIO 4 , I ,
  • salting-in electrolytes for use in compositions according to the present invention are alkali metal salts of the above mentioned anions.
  • the most preferred examples of the salting-in electrolytes for use in compositions according to the present invention are sodium toluene sulphonate, sodium cumene sulphonate and sodium xylene sulphonate.
  • salting-in electrolytes may be selected form those described in (i) Collins, K.D.; Washabaugh, M.W. Quart. Rev. Biophys . , 1985, 18, 323; (ii) Schuster. P, Zundel. G and Sandorfy. C, 1976, The Hydrogen Bond' ' , Recent developments in theory and experiments, Vol. Ill, North- Holland Publishing Co. Amsterdam, New York, Oxford.
  • liquid skin benefit materials such as moisturisers, emollients, sunscreens, anti-aging compounds are incorporated in the composition.
  • moisturisers and humectants include polyols, glycerol, cetyl alcohol, Carbopol 934, ethoxylated castor oil, paraffin oils, lanolin and its derivatives.
  • Silicone compounds such as silicone surfactants like DC3225C (Dow Corning) and/or silicone emollients, silicone oil (DC-200 Ex-Dow Corning) may also be included.
  • Sun-screens such as 4-tertiary butyl-4 ' -methoxy dibenzoylmethane (available under the trade name PARSOL 1789 from Givaudan) and/or 2-ethylhexylmethoxy cinnamate (available under the trade name PARSOL MCX from Givaudan) or other UV-A and UV-B sun-screens.
  • compositions such as hair conditioning agents, fillers, colour, perfume, opacifier, preservatives, one or more water insoluble particulate materials such as talc, kaolin, polysaccharides and other conventional ingredients may be incorporated in the composition.
  • the process of manufacturing of the solid shaped detergent compositions comprises following steps : a. selecting the fatty acid soap comprising one or more of salts of C 6 -C 24 fatty acids such that the solution of the soap in water forms a liquid phase with a viscosity ⁇ 50 Pa.s at a shear rate of 1/sec in the temperature range 50- 100°C, shows phase separation and presence of a solid phase when cooled up to 20°C and the said solid phase is present at least up to 40°C during heating; b. mixing the said fatty acid soap with 2-40% of a detergent active species, 0.5-20% of a salting-in electrolyte, and 30-80% water and optionally other liquid benefit agents; c. melting the composition of step (b) ; d. pouring the said melt into a mould to obtain the desired shape; and e. cooling the mould under quiescent conditions to bring about solidification.
  • the mould may be suitably selected to produce near net shape tablet or to produce bars/blocks.
  • the bars/blocks may be further shaped into a detergent article.
  • the mould is preferably sealed to obtain a cast-in pack detergent composition.
  • the mould is preferably sealed immediately after filling the mould.
  • fatty acid soap blend for preparation of detergent composition: Several soap and water mixtures wherein the soap was obtained from a fatty acid blend of lauric acid (C 12 ) r myristic acid (C 3.4 ), palmitic acid (Cie) and stearic acid (Cie) and were taken in two litre capacity round bottomed flasks. The ratio of the fatty acid soaps was varied as mentioned in Table 1.
  • the batch temperature was raised to and maintained at 80 °C to obtain a pourable liquid which would have a viscosity of about 10 Pa.s at a shear rate of 1/sec.
  • the low field NMR used for studies was procured from M/s Resonance Instruments, U.K. (Model MARAN 25) .
  • the instrument had the following features: (i) a 600W transmitter that produced 90° pulses of ⁇ 2 ⁇ s and (ii) a 5 MHz digitiser that allowed 2 data points to be collected per ⁇ s.
  • the presence of solid phase in soap-water systems was detected using the procedure described in the following reference: Suresh M. Nadakatti, "Modified Data Handling for Rapid Low Field NMR Characterisation of Lyotropic Liquid Crystal Composites", J. Surfactants and Detergents, Vol. 2, No. 4, pp. 515-521, 1999.
  • the melted soap-water system was taken in a 10 mm diameter NMR tube.
  • the tube was placed in the sample chamber of the low field NMR instrument.
  • the temperature was raised to 80°C using variable temperature accessory of the instrument.
  • the system was then cooled to a temperature up to 20°C at intervals of 5 °C and equilibrated at each temperature for 30 minutes.
  • the temperature at which phase separation occurs and solid phase is formed is noted down.
  • the system is then heated to ensure that the said solid phase is present at least up to 40°C during heating.
  • fatty acid mixture corresponding to example la to 8a were taken in two litre capacity round bottomed flasks and mixed with non-soap detergent actives such as alpha olefin sulphonate (AOS) or sodium lauryl ether sulphate (SLES), salting-in electrolyte such as sodium toluene sulphonate (STS) and water as given below in Table 2.
  • AOS alpha olefin sulphonate
  • SLES sodium lauryl ether sulphate
  • salting-in electrolyte such as sodium toluene sulphonate (STS) and water as given below in Table 2.
  • the batch temperature was raised to 80°C.
  • the aqueous solution of sodium hydroxide was added to the mixture to neutralise the fatty acids.
  • the batch temperature was maintained at 80 °C so that a clear solution was obtained.
  • the melt of the detergent composition at 80°C was poured into a thermoformed polymeric mould and
  • the rigidity of the bars processed was determined in terms of yield stress using the procedure described below.
  • the automatic penetrometer used for yield stress measurements was model PNR 10 from M/s Petrotest Instruments GmbH. Standard Hollow Cone (part # 18-0101, as per ASTM D 217 - IP 50) along with Plunger (part # 18-0042) was used for the measurements.
  • the cone consisted of a conical body of brass with detachable, hardened steel tip. The total mass of the cone was 102.5 g. The total mass of the movable plunger was 47.5 g. Total mass of cone and plunger that fall on the detergent tablet was therefore 150 g.
  • the detergent tablet was placed on the table of the penetrometer.
  • the measuring device of the penetrometer was lowered so that the tip of the penetrometer touched the tablet but did not penetrate it.
  • the penetration depth was read in mm as indicated on the display. 5.
  • the measured penetration depth value was used to calculate the yield stress of the detergent tablet using the following equation:
  • Yield stress is in kPa m : total mass falling on the flat surface of the bar in kg
  • the yield stress of the detergent tablet is > 75 kPa.
  • Three yield stress values were calculated for 150 g, 200 g, and 250 g total mass falling on the detergent tablet and the average of the three values was used as the yield stress of the detergent tablet.

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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)
  • Cosmetics (AREA)

Abstract

L'invention concerne une composition détergente coulée par fusion conservant sa rigidité jusqu'à 40 °C au moins. Cette composition comprend (a) entre 2 et 50 (Xa) % en poids d'un savon d'acides gras saturé renfermant un ou plusieurs sels d'acides gras C6-C24, (b) entre 2 et 40 % en poids d'une espèce active détergente, (c) entre 0,5 et 20 % en poids d'un électrolyte de salage, et (d) entre 30 et 80 % en poids d'eau. Le présent savon d'acides gras forme une solution à Xa % dans l'eau avec une phase liquide présentant une viscosité inférieure à 50 Pa.s à une vitesse de cisaillement de 1 s-1 dans une plage de température comprise entre 50 et 100 °C, et présente une séparation des phases. Une phase solide est présente pendant le refroidissement jusqu'à 20 °C, cette phase solide étant présente jusqu'à au moins 40 °C lors d'un chauffage.
PCT/EP2001/011621 2000-10-13 2001-10-09 Composition detergente sous forme solide Ceased WO2002031099A1 (fr)

Priority Applications (8)

Application Number Priority Date Filing Date Title
DE60125206T DE60125206T2 (de) 2000-10-13 2001-10-09 Feste geformte waschmittelzusammensetzung
BR0114810-9A BR0114810A (pt) 2000-10-13 2001-10-09 Composição detergente de fusão por fundição, processo de fabricação de uma composição detergente em forma sólida de fusão por fundição e composição detergente em forma sólida
JP2002534470A JP2004511626A (ja) 2000-10-13 2001-10-09 固形洗剤組成物
MXPA03003257A MXPA03003257A (es) 2000-10-13 2001-10-09 Composicion de detergente con forma solida.
AU9189201A AU9189201A (en) 2000-10-13 2001-10-09 Solid shaped detergent composition
CA002425294A CA2425294A1 (fr) 2000-10-13 2001-10-09 Composition detergente sous forme solide
AU2001291892A AU2001291892B2 (en) 2000-10-13 2001-10-09 Solid shaped detergent composition
EP01972097A EP1325104B1 (fr) 2000-10-13 2001-10-09 Composition detergente sous forme solide

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IN926MU2000 2000-10-13
IN926/MUM/00 2000-10-13

Publications (1)

Publication Number Publication Date
WO2002031099A1 true WO2002031099A1 (fr) 2002-04-18

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2001/011621 Ceased WO2002031099A1 (fr) 2000-10-13 2001-10-09 Composition detergente sous forme solide

Country Status (12)

Country Link
EP (1) EP1325104B1 (fr)
JP (1) JP2004511626A (fr)
CN (1) CN1225536C (fr)
AR (1) AR030881A1 (fr)
AT (1) ATE348143T1 (fr)
AU (2) AU9189201A (fr)
BR (1) BR0114810A (fr)
CA (1) CA2425294A1 (fr)
DE (1) DE60125206T2 (fr)
MX (1) MXPA03003257A (fr)
WO (1) WO2002031099A1 (fr)
ZA (1) ZA200302694B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1650290A3 (fr) * 2004-10-13 2006-05-17 Unilever N.V. Procédé de fabrication des tablettes détergentes

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103013722B (zh) * 2012-12-12 2015-01-21 合肥豪豪日化有限公司 一种高含水量复合洗衣皂及其制备方法
JP2019089927A (ja) * 2017-11-14 2019-06-13 花王株式会社 粘度特性改良剤

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0434460A1 (fr) * 1989-12-21 1991-06-26 Unilever Plc Composition détergente
US5340492A (en) * 1990-11-26 1994-08-23 The Procter & Gamble Company Shaped solid made with a rigid, interlocking mesh of neutralized carboxylic acid
WO1998011864A2 (fr) * 1996-09-23 1998-03-26 The Procter & Gamble Company Compositions de pains de savon moussants pour hygiene corporelle, contenant des particules lipidiques allongees
US5916856A (en) * 1996-10-16 1999-06-29 Lever Brothers Company Pourable cast melt bar compositions comprising low levels of water and minimum ratios of polyol to water
US5929011A (en) * 1996-10-30 1999-07-27 Sunburst Chemicals, Inc. Solid cast chlorinated cleaning composition
WO2001030959A1 (fr) * 1999-10-25 2001-05-03 Unilever Plc Composition de detergence moulee

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0434460A1 (fr) * 1989-12-21 1991-06-26 Unilever Plc Composition détergente
US5340492A (en) * 1990-11-26 1994-08-23 The Procter & Gamble Company Shaped solid made with a rigid, interlocking mesh of neutralized carboxylic acid
WO1998011864A2 (fr) * 1996-09-23 1998-03-26 The Procter & Gamble Company Compositions de pains de savon moussants pour hygiene corporelle, contenant des particules lipidiques allongees
US5916856A (en) * 1996-10-16 1999-06-29 Lever Brothers Company Pourable cast melt bar compositions comprising low levels of water and minimum ratios of polyol to water
US5929011A (en) * 1996-10-30 1999-07-27 Sunburst Chemicals, Inc. Solid cast chlorinated cleaning composition
WO2001030959A1 (fr) * 1999-10-25 2001-05-03 Unilever Plc Composition de detergence moulee

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1650290A3 (fr) * 2004-10-13 2006-05-17 Unilever N.V. Procédé de fabrication des tablettes détergentes

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ATE348143T1 (de) 2007-01-15
DE60125206D1 (de) 2007-01-25
JP2004511626A (ja) 2004-04-15
EP1325104A1 (fr) 2003-07-09
DE60125206T2 (de) 2007-04-12
ZA200302694B (en) 2004-04-07
CN1225536C (zh) 2005-11-02
AR030881A1 (es) 2003-09-03
AU9189201A (en) 2002-04-22
AU2001291892B2 (en) 2006-03-16
BR0114810A (pt) 2003-09-30
MXPA03003257A (es) 2003-06-06
EP1325104B1 (fr) 2006-12-13
CA2425294A1 (fr) 2002-04-18
CN1479785A (zh) 2004-03-03

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