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
  • 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
  • C11D17/047—Arrangements specially adapted for dry cleaning or laundry dryer related applications
• • 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
• • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
  • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
  • Y10T442/20—Coated or impregnated woven, knit, or nonwoven fabric which is not [a] associated with another preformed layer or fiber layer or, [b] with respect to woven and knit, characterized, respectively, by a particular or differential weave or knit, wherein the coating or impregnation is neither a foamed material nor a free metal or alloy layer
  • Y10T442/2303—Coating or impregnation provides a fragrance or releases an odor intended to be perceptible to humans

Definitions

• substrates with an adsorption capacity below this range release the usual active substances too quickly, so that the active substances are transferred unevenly to the laundry and the treated laundry becomes stained.
• an adsorption capacity which is above the required range too little active ingredient is released from the substrate into the laundry.
• suitable absorbent papers, sponges and woven cloths or nonwovens are designated as suitable substrates.
• plasticizers and plasticizer combinations which can be combined with flexible substrates, to which the adsorption capacity does not impose any equally limited requirements as in DE-AS 19 65 470.
• DE-OS 27 00 512 describes a mixture of a conventional cationic fabric softener and a fatty acid ester of a polyhydric alcohol in a certain mixing ratio. From DE-OS 27 00 560 an agent is known which contains a fatty alkyl polyglycerol ester as a fabric softener. Further references on laundry aftertreatment agents, which essentially consist of substrates with a practically unlimited adsorption capacity and special plasticizers, are German Offenlegungsschriften No. 25 46 505, 26 25 774, 25 16 104, 26 36 787, 25 56 248, 25 37 402 and U.S. Patent Nos. 4,073,996, 4,049,858, 4,096,071, 4,142,978, 4,110,498.
• the agent for the aftertreatment of washed laundry in a tumble dryer consisting of a flexible textile fabric which has an adsorption capacity of 1.0 to 4.5 and a fabric, fleece or foam-like structure made of polyester, polyamide, polyolefin , Polyacrylonitrile, polyurethane or viscose and their mixtures with one another, and with a coating of a softening and antistatic agent or agent mixture of quaternary ammonium compounds derived from ammonia or imidazoline, which up to 80 wt .-% by condensation products of a fatty acid triglyceride and Hydroxyalkylpolyamine can be replaced, is provided, wherein the coating 0.2 to 5 wt .-% aliphatic low molecular weight hydroxycarboxylic acids and optionally 0.05 to 1 wt .-% optical brighteners, each based on the amount of softening and antistatic agents, and optionally contains auxiliaries and fragrances, has particularly valuable properties.
• Nonwoven structured fabrics are preferred in the context of the present invention. They are produced in a manner known per se by air, water separation or mechanically, by laying thermoplastic or non-thermoplastic fibers cut to a desired length, preferably in a confused manner, for the formation of nonwovens, and these by a binder or by the action of temperature (if thermoplastic fibers are used) with one another glued. A distinction is made between binder-bound and melt fiber-bonded nonwovens. The type of manufacture as well as the type, quantity and position of the fibers and their connection with one another determine the properties of the suitable nonwovens; but these are for their suitability as flexible substrates in the agents according to the invention is not critical insofar as they have an adsorption capacity of 1.0 to 4.5.
• Suitable nonwovens have a size of 0.01 to 0.2 m 2 and a basis weight between about 10 and 100 g per m 2 .
• the adsorption capacity is measured according to a modified test (US Federal Specifications UU-T - 595 b) with changes, as described in DE-AS 19 65 470 and explained in more detail in the example part of European Patent Application No. 33 134.
• a preferred fiber material for the suitable nonwovens consists of the thermoplastic polymers polyolefin, polyester, polyamide, polyacrylonitrile.
• nonwovens are particularly distinguished from the series of suitable nonwovens: nonwovens made from binder-bound thermoplastic fibers, in particular from polyester, furthermore from binder-bound and / or protective fiber-bound viscose fibers and / or thermoplastic fibers, of which nonwovens made from mixtures of binder-bound thermoplastic fibers and viscose exist, are preferred; Also particularly suitable and therefore preferred are binder-bound nonwovens made from viscose fibers.
• a commercially available fleece which is excellently suitable for the agents according to the invention consists, for example, of polyester fibers. It has a weight per unit area of approximately 25 to 50 g per m 2 and an adsorption capacity of 2-4.
• a suitable nonwoven is a nonwoven made of viscose fibers. It has a basis weight of approximately 55 g pr om 2 and an adsorption capacity of approximately 3.5. Suitable nonwovens made from a fiber mixture are made, for example, from 40% polyester and 60% viscose; they have a basis weight of approximately 25 to approximately 35 g per m 2 and an adsorption capacity of approximately 3.5. Another suitable nonwoven consists of polypropylene fibers. He has a Basis weight of approximately 50 g D ro m 2 and an adsorption capacity of approximately 2.0. Another nonwoven made of polypropylene fibers has a weight per unit area of approximately 35 g per m 2 and an adsorption capacity of 2.8.
• results similar to those obtained with nonwovens are also obtained with a polyacrylonitrile fiber fabric which has an adsorption capacity of 1.7.
• Other suitable substrates are polyurethane foams with an adsorption capacity of 3.7 to 4.2.
• Foam sheets made of polyethylene and polypropylene are also suitable substrates.
• Suitable quaternary ammonium compounds are especially those with two long-chain, preferably saturated aliphatic radicals each having 14 to 26, in particular essentially 16 to 20, carbon atoms and at least one quaternary nitrogen atom in the molecule.
• the long-chain aliphatic radicals can be straight-chain or branched and can accordingly be derived from fatty acids or from fatty amines, Guerbetamines or from the alkylamines obtainable by reduction of nitroparaffins.
• quaternary ammonium compounds are, in particular, derivatives of ammonia, that is to say the quaternary salts obtainable by alkylation of long-chain secondary amines, such as, for example, the compounds distearyldimethylammonium chloride or ditalgalkyldinethylammonium chloride or methosulfate.
• Other suitable quaternary ammonium compounds are the imidazoline compounds obtainable by reacting 1 mol of an aminoalkylethylenediamine or hydroxyalkylethylenediamine with 2 mol of a long-chain C 12 -C 26 fatty acid or its ester, which are subsequently converted into the quaternary imidazolinium compounds by alkylation.
• the anion generally consists of the acid residue, which consists of that in the Quaternization used alkylating agent has arisen.
• chloride, bromide, methyl sulfate, ethyl sulfate, methane, ethane or toluenesulfonate are suitable as anions.
• the quaternary ammonium compounds are also good antistatic agents.
• Some of the quaternary ammonium compounds can be replaced by other compounds, for example by the condensation products, also known as textile softeners, of 1 to 3 moles of fatty acid or fatty acid alkyl ester and 1/3 to 1 mole of fatty acid triglyceride with one mole of a hydroxyalkylpolyamine, for example hydroxvethylethylenediamine, hydroxyethyldiethylenetriamine.
• the product obtained by reacting 1 mol of a fatty acid triglyceride, in particular hardened tallow, with 1 mol of hydroxyethylethylenediamine at 90 to 150 ° C. is particularly suitable.
• a quaternary ammonium compound of the ammonia type with two essentially C 16 -C 20 -alkyl or alkenyl groups and two methyl groups in the molecule and with the chloride, bromide or methyl sulfate anion, in particular ditallow alkyldimethylammonium chloride, alone or in combination with the is preferably used as textile softener Fatty acid condensation product from 1 mol hardened tallow and 1 mol hydroxyethylethylenediamine in a ratio of 4: 1 to 1: 4.
• Suitable low molecular weight hydroxycarboxylic acids contain 1 or 2 hydroxy groups and 1 to 3 carboxyl groups and have a molecular weight of up to about 250.
• these are acids from the group comprising the Compounds malic acid, tartaric acid, tartronic acid, lactic acid, glycolic acid, citric acid and mixtures thereof, of which lactic acid, glycolic acid and especially citric acid and mixtures thereof are preferred.
• the agents can also be used with the same advantage phosphonic acids, for example 1-hydroxyethane-1,1-diphosphonic acid, aminotris- (methylene-phosphonic acid), 2-phos D honobutane-l, 2,4-tricarboxylic acid or ethylenediamine tetrakis (methylenephosphonic acid) included.
• phosphonic acids for example 1-hydroxyethane-1,1-diphosphonic acid, aminotris- (methylene-phosphonic acid), 2-phos D honobutane-l, 2,4-tricarboxylic acid or ethylenediamine tetrakis (methylenephosphonic acid) included.
• brighteners for cotton are used as optical brighteners. These are primarily derivatives of diaminostilbenedisulfonic acid or its alkali metal salts.
• the agents expediently contain 0.2 to 5% by weight of the abovementioned hydroxycarboxylic acids or phosphonic acids and, if appropriate, 0.05 to 1% by weight of optical brighteners, in each case based on the amount of softening and antistatic active ingredient.
• non-ionic Dis come p erga factors into consideration.
• antimicrobials especially non-ionic Dis come p erga factors into consideration.
• Soil-release substances, ironing aids and impregnating agents are available.
• Suitable nonionic dispersants are primarily addition products of 4 to 40, preferably 4 to 20, moles of ethylene oxide to 1 mole of an aliphatic C 1 -C 20 alcohol or an alkylphenol, in which the alkyl radical has 8 to 18 carbon atoms, and fatty acids and alkylamines with 10 to 20 carbon atoms.
• the ethoxylation products of the fatty alcohols in particular the coconut and tallow fatty alcohols and the oley alcohol, and the ethoxylation products of the oxo alcohols and secondary alcohols of the corresponding chain lengths are particularly preferred.
• Other suitable nonionic surfactants are particularly preferred.
• Quaternary ammonium compounds are also known as antimicrobial active substances, that is to say bactericidal or bacteriostatic or fungicidal or fungistatic compounds, in particular those which, in addition to a long-chain aliphatic and two short-chain aliphatic hydrocarbon radicals, associate an aromatic one or an aliphatic hydrocarbon atom with the nitrogen atom or an aliphatic one Organic compound containing double compounds in the molecule may be present.
• Typical representatives of such antimicrobial agents are the compounds dimethylbenzylhexyl-allyldodecylammonium chloride.
• Usable antimicrobial agents are also the bromo nitro alcohols such as the compounds 2-bromo-2-nitropropane-1,3-diol, 1-bromo-1-nitro-3,3-trichloro-2-propanol, 2-bromo-2-nitrobutanol.
• Halogenated and / or trifluoromethyl-substituted phenolic compounds in particular the halogenated salicylanilides, for example the compounds dibromo- and tribromosalicaylanilide and derivatives of phenoxyphenol, such as the compound 2-hydroxy-2 ', 4,4'-trichloridephenyl ether, are also suitable as antimicrobial active substances .
• Compounds which improve the dirt-removing ability during washing are suitable as active ingredients for soil release finishing for textiles. These include compounds of the polyacrylic polyvinyl alcohol type, modified fluorocarbons and hydrophilic polymers. Polyvinyl acetates, paraffins, but also borax are suitable additives that make ironing the laundry easier.
• the agents according to the invention are produced by impregnating a piece of the substrate with the mixture of textile-softening active ingredient, low molecular weight hydroxycarboxylic acid, to which optical brighteners and / or auxiliaries and fragrances have been added, in such an amount that the substrate is used for the treatment a laundry item in the automatic tumble dryer has sufficient active ingredient impregnation.
• a household clothes dryer with a 4 to 5 k 3 (dry weight) capacity these are approximately 0.5 to approximately 10 g, an amount of 1 to 5 g which is generally present on the substrate when such an agent is used for the first time is sufficient.
• Such an amount of active ingredient is from the substrate suitable for the agents according to the invention with a size of about 0.01 to 0.2 m 2 added; a size which is advantageous for practical use is between 0.02 and 0.07 m 2 .
• larger pieces are taken according to the larger capacity of the devices used there. Of these, the user can put one or, if a stronger effect is required, two or more pieces together with the laundry in the tumble dryer.
• a large piece or a coherent web of the substrate is expediently impregnated to produce the compositions according to the invention and this is then later divided into pieces of the desired size.
• the substrate can be impregnated in various ways. Suitable methods are, for example, double-sided printing, rolling on, knife coating, spraying or, preferably, immersing the substrate in a solution, dispersion or, preferably, in a melt of the active ingredients, fragrances and, if appropriate, auxiliaries and subsequent drying and / or cooling, for example by means of air or indirectly by Contact systems.
• a temperature up to a maximum of 90 ° C. is usually sufficient, although a temperature of not more than approximately 60 ° C. has generally been found to be favorable when commercial quaternary ammonium compounds are melted.
• the application quantity can be carried out either by metered coating or by soaking the substrate and then squeezing off the excess through a nip.
• Suitable solvents for solutions and dispersions of the Typical active ingredients are, for example, the lower aliphatic alcohols methyl alcohol, ethyl alcohol or isopropyl alcohol, which are optionally mixed with water.
• the solutions can contain auxiliaries, in particular dispersants.
• the shape of the pieces is arbitrary, you can use circular, oval, angular, geometric or non-geometric shapes. In general, square shapes and a roll of web having, for example, a perforation between the pieces required for a tumble dryer filling are preferred.
• wet laundry is treated in the tumble dryer with an agent according to the invention by allowing the agent to act on the laundry during the drying process, the laundry has a pleasantly soft feel and the desired fragrance after the treatment; the laundry also has no stains due to uneven transfer of active ingredient.
• the agents according to the invention can be stored for a long time without yellowing; the scent of the perfumed means is clean and pure.
• a polyester fiber fleece with a weight per unit area of approximately 40 g per m 2 and an adsorption capacity of 2.8 was mixed into a homogeneous mixture of paste-like ditallow alkyldimethylammonium chloride (75%), 1% by weight of citric acid and 3% by weight of a 10% Solution of 4,4'-bis (2-sülfostyrol-) biphenyl (optical brightener for cotton) and small amounts of fragrances were added, immersed. After cooling and drying, the fleece had absorbed about 90 g per m 2 of coating mass.
• Example 1 If the softening and antistatic agent of Example 1 is replaced by 1-methyl-l-stearylamidoethyl-2-stearylimidazolinium methosulfate and 1.5% by weight of glycolic acid is added, a similar result is obtained.
• a result comparable to Example 1 was obtained.

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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)
• Control Of Washing Machine And Dryer (AREA)

Priority Applications (1)

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Publications (3)

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• 1981
  • 1981-07-27 DE DE19813129549 patent/DE3129549A1/de not_active Withdrawn
• 1982
  • 1982-07-19 EP EP19820106496 patent/EP0071148B1/fr not_active Expired
  • 1982-07-19 DE DE8282106496T patent/DE3278106D1/de not_active Expired
  • 1982-07-19 AT AT82106496T patent/ATE32465T1/de not_active IP Right Cessation
• 1983
  • 1983-12-14 US US06/561,200 patent/US4526694A/en not_active Expired - Fee Related

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