Classifications

• • C—CHEMISTRY; METALLURGY
  • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
  • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
  • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
  • C11D1/38—Cationic compounds
  • C11D1/645—Mixtures of compounds all of which are cationic
• • C—CHEMISTRY; METALLURGY
  • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
  • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
  • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
  • C11D1/38—Cationic compounds
  • C11D1/62—Quaternary ammonium compounds
• • C—CHEMISTRY; METALLURGY
  • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
  • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
  • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
  • C11D3/0005—Other compounding ingredients characterised by their effect
  • C11D3/0021—Dye-stain or dye-transfer inhibiting compositions

Definitions

• the invention relates to fabric softener formulations based on or more cationic surfactants and at least one other Component which gives the overall formulation an improved color-preserving Give effect on textiles.
• aqueous fabric softeners in which as Alkanolamines methyldiethanolamine or triethanolamine can be used.
• aqueous fabric softeners based on esters from fatty acids and alkanolamines in a molar ratio of 1: 1.75 to 1: 2 be implemented.
• the quaternary compounds of the general formula I are according to those generally known in this field Processes by esterification of alkanolamines such as triethanolamine (TEA), Methyl-diethanolamine (MDEA), methyl-diisopropanolamine (MDIA), methylethanol-isopropanolamine (MEIPA), triisopropanolamine (TIPA) with fatty acid and subsequent quaternization.
• alkanolamines such as triethanolamine (TEA), Methyl-diethanolamine (MDEA), methyl-diisopropanolamine (MDIA), methylethanol-isopropanolamine (MEIPA), triisopropanolamine (TIPA) with fatty acid and subsequent quaternization.
• Ester compounds based on triethanolamine such as N-methyl, N, N-bis (beta-C 14-18 -acyloxyethyl), N-beta-hydroxyethyl-ammonium methosulfate), which are available under trade names such as TETRANYL® AT 75 ( Trademark of KAO Corp.), STEPANTEX® VRH 90 (trademark of Stepan Corp.) or REWOQUAT® WE 18 (trademark of Witco Surfactants GmbH).
• the fatty acids for the esterification or transesterification are those on this Field known and usual monobasic fatty acids based on natural vegetable or animal oils with 12-22 carbon atoms, especially with 14-18 carbon atoms, such as in particular palm, tallow, Castor fatty acids with iodine numbers in the range from 20 to 80, especially 30 to 50, in the form of their glycerides, methyl or ethyl esters or as free acids.
• the iodine number as a measure of the average degree of saturation of a Fatty acid, is the amount of iodine, which is from 100 g of the compound for saturation of the double bonds.
• Palm fatty acids are preferred according to the invention Palm fatty acids. They are commercially available products and are manufactured by offered to various companies under their respective trade names.
• the esterification or transesterification is carried out according to known methods carried out.
• the alkanolamine with the desired Degree of esterification corresponding amount of fatty acid or fatty acid ester optionally in the presence of a catalyst, e.g. B. methanesulfonic acid, reacted under nitrogen at 160-240 ° C and the formed Water of reaction or the alcohol is distilled off continuously Completion of the reaction, the pressure may be reduced can.
• a catalyst e.g. B. methanesulfonic acid
• the ratio is chosen so that in the technical reaction mixtures predominantly the diesters are present.
• the subsequent quaternization is also carried out using known methods.
• the procedure according to the invention is such that the ester, optionally under Use of a solvent, preferably isopropanol, ethanol, 1,2-propylene glycol and / or dipropylene glycol, at 60-90 ° C with equimolar Amounts of the quaternizing agent with stirring, if appropriate under pressure, and the completion of the reaction by controlling the Total number of amines is monitored.
• a solvent preferably isopropanol, ethanol, 1,2-propylene glycol and / or dipropylene glycol
• quaternizing agents used are organic or inorganic acids, but preferably short-chain dialkyl phosphates and sulfates such as in particular dimethyl sulfate, diethyl sulfate, dimethyl phosphate, Diethyl phosphate, short chain halogenated hydrocarbons, in particular Methyl chloride.
• Component Ab1 is preferably prepared by reacting primary alkylamines with ethylene oxide and subsequent quaternization with an alkylating agent, such as dimethyl sulfate. According to the invention, preference is given to compounds based on coconut amine with a total of 3-8 attached ethylene oxide molecules.
• Component Ab2 is preferably produced by reacting Alkyldipropylenetriamine with ethylene oxide, with alkyl radicals according to the invention 18 carbon atoms and a total of added ethylene oxide molecules (Sum n) of 11-15 are preferably used.
• Component Ab3) can be obtained by reacting dimethylaminopropylamine with long chain fatty acids, such as preferably coconut fatty acid and especially tallow fatty acid, in a molar ratio of 1: 1 and subsequent Quaternization with an alkylating agent such as dimethyl sulfate.
• long chain fatty acids such as preferably coconut fatty acid and especially tallow fatty acid
• Component Ab4 is preferably produced by reacting Aminoethylethanolamine with a long-chain fatty acid in a molar ratio of 1.5: 1 and subsequent distillation of the excess aminoethylethanolamine, wherein the amide cyclized with elimination of water to the imidazoline.
• the fabric softener is produced by emulsifying or Disperse the individual components in water. Here, the usual procedures in this area are applied.
• the fabric softener according to the invention can specified components within the usual in this area Contain limits, such as 3-25% by weight of a mixture of the Compounds of general formula I with at least one compound of general formulas II to V; 0.5 to 6% by weight of common auxiliaries and additives like 0.1-1% by weight of dyes, 0.1-1% by weight of preservatives, 0.1-1% by weight Defoaming agents and in particular 0.1-1.5% by weight of an alkali and / or Alkaline earth metal salt; 0.1-1.5% by weight of perfume oil and the rest 100% by weight (ad 100) water.
• Contain limits such as 3-25% by weight of a mixture of the Compounds of general formula I with at least one compound of general formulas II to V; 0.5 to 6% by weight of common auxiliaries and additives like 0.1-1% by weight of dyes, 0.1-1% by weight of preservatives, 0.1-1% by weight Defoaming agents and in particular 0.1-1.5% by weight
• the application concentration after dilution with water lies in the range depending on the application 0.1-10 g of fabric softener per liter of treatment liquor.
• the measured values indicated in the graphic below are the light reflection values (measured values) determined with the aid of the measuring device: a defined light beam is flashed onto the test specimen with a xenon flash lamp. According to DIN 5033, the diffuse reflection of the sample is measured at an angle of 8 °.
• the measured values are directly related to the intensity of a dye. Low reflection values stand for dark colors, that is, the lower the value, the lower the color separation and the more effective the fabric softener formulation.

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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)
• Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)

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Publications (1)

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Citations (7)

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• 1998
  • 1998-09-30 EP EP98118491A patent/EP0990695A1/fr not_active Withdrawn
• 1999
  • 1999-08-19 US US09/377,390 patent/US6180593B1/en not_active Expired - Fee Related
  • 1999-09-29 CA CA002284422A patent/CA2284422A1/fr not_active Abandoned
  • 1999-09-29 PL PL99335717A patent/PL335717A1/xx unknown

Patent Citations (7)

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