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
• • D—TEXTILES; PAPER
  • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
  • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
  • D06F58/00—Domestic laundry dryers
  • D06F58/20—General details of domestic laundry dryers 
  • D06F58/203—Laundry conditioning arrangements
• • D—TEXTILES; PAPER
  • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
  • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
  • D06M23/00—Treatment of fibres, threads, yarns, fabrics or fibrous goods made from such materials, characterised by the process

Definitions

• 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, 4.1 1 0.498.
• the new agent according to the invention is an article made of a flexible textile fabric having an adsorption capacity of about 1.0 to 4.5 and having a fabric, fleece or foam-like structure made of polyester, polyolefin, polyacrylonitrile, polyurethane, polyamide or Viscose and their mixtures with each other, and a coating of a softening and antistatic agent or mixture of agents, optionally together with auxiliaries and fragrances.
• the values for the adsorption capacity are after a modified test (US Federal Specifications UU-T-595 b) with changes as described in DE-OS 19 65 470, new page 14, and in the example part of the present application is explained.
• the active compounds with which the substrate is coated or impregnated are the compounds known as textile softeners and textile antistatic agents of the quaternary ammonium compound type derived from ammonia or imidazoline, which contain up to 80% by weight of condensation products from a fatty acid triglyceride and hydroxyalkyl polyamine can be replaced in question.
• non-ionic agents are used Dispersants into consideration.
• antimicrobials, soil release substances, ironing aids and impregnating agents can also be present.
• the nonwoven structured sheets 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 tangled manner, for the nonwoven formation and by a binder or by the action of temperature (in the case of use) thermoplastic fibers) glued together.
• 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; however, these are not critical for their suitability as flexible substrates in the agents according to the invention 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.
• a commercially available fleece which is excellently suitable for the agents according to the invention consists, for example, of polyester fibers. It has a basis weight of approximately 25 to 50 g per m 2 and an adsorption capacity of 2 to 4.
• a suitable nonwoven is a nonwoven made from viscose fibers. It has a basis weight of approximately 55 g per m 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. It has a weight per unit area of approximately 50 g per 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 that 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 derive 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 those by alkylation of long-chain secondary amines obtainable quaternary salts, such as the compounds distearyldimethylammonium chloride or ditallow alkyldimethylammonium 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 has arisen from the alkylating agent used in the quaternization.
• the alkylating agent used in the quaternization For example, 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 of 1 to 3 moles of fatty acid or fatty acid alkyl ester or 1/3 to 1 mole of fatty acid triglyceride also known as textile softeners with one mole of a hydroxyalkyl polyamine, for example hydroxyethyl ethylene diamine, hydroxyethyl diethylene triamine.
• a hydroxyalkyl polyamine for example hydroxyethyl ethylene diamine, hydroxyethyl diethylene triamine.
• 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, is preferred as the fabric softener nation with the fatty acid condensation product of 1 mol hardened tallow and 1 mol hydroxyethylethylenediamine in a ratio of 4: 1 to 1: 4.
• Suitable nonionic dispersants are primarily addition products of 4 to 40, preferably 4 to 20, moles of ethylene oxide with 1 mole of an aliphatic C 10 -C 20 alcohol or an alkylphenol in which the alkyl radical has 8 to 18 carbon atoms, as well as 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 oleyl alcohol, and the ethoxylation products of the oxo alcohols and secondary alcohols of the corresponding chain lengths are particularly preferred.
• nonionic surfactants are the water-soluble addition products containing 20 to 250 ethylene glycol ether groups and 10 to 100 propylene glycol ether groups. of ethylene oxide on polypropylene glycol or on alkylenediamine polypropylene glycol or on alkylpolypropylene glycols with 1 to 10 carbon atoms in which the polypropylene glycol chain functions as a hydrophobic radical.
• antimicrobial agents i.e. bactericidal or bacteriostatic or fungicidal or fungistatic
• compounds can also be quaternary ammonium compounds, in particular those which, in addition to a long-chain aliphatic and two short-chain aliphatic hydrocarbon radicals, have an aromatic double bonded via an aliphatic hydrocarbon atom to the nitrogen atom or an aliphatic double bond containing organic radical contained in the molecule.
• Typical representatives for such antimicrobial agents are the compounds dimethylbenzylhexyl-allyldodecylammonium chloride.
• Antimicrobial agents which can also be used are 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 are halogenated and / or trifluoromethyl-substituted phenolic compounds, in particular the halogenated salicylanilides, for example the compounds dibromo and tribomosalicicanilide and derivatives of phenoxyphenol such as the compound 2-hydroxy-2,4,4'-trichlorodiphenyl ether .
• 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 fabric softening active ingredient, to which auxiliary substances and fragrances have optionally been added, in such an amount that the substrate has the active ingredient impregnation sufficient for the treatment of a laundry item in an automatic tumble dryer .
• the fabric softening active ingredient to which auxiliary substances and fragrances have optionally been added.
• this is 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 absorbed by the substrate suitable for the agents according to the invention with a size of approximately 0.01 to 0.2 m 2 ; a size which is advantageous for practical use is between 0.02 and 0.07 m 2 .
• 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.
• 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.
• To avoid Losses in volatile substances, for example fragrances must be ensured that the temperature of a melt is not set unnecessarily high for an unnecessarily long time.
• a temperature not exceeding 90 ° C is usually sufficient, generally to a temperature of commercially
• Suitable solvents for solutions and dispersions of the usual 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 web roll, for example having a perforation between the pieces required for a tumble dryer filling, are preferred.
• damp 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 after the treatment has a pleasantly soft feel and the desired fragrance note; the laundry also has no stains due to uneven transfer of active ingredient.
• a 20.5 cm x 32 cm polypropylene fiber fleece with a weight per unit area of 42 g per m2 and an adsorption capacity of 2.6 was placed in a melt of commercially available, paste-like ditallow alkyl dimethyl ammonium chloride, which contains small amounts of fragrances with the fragrance note "floral / fresh" were clogged. After cooling and drying, the fleece had absorbed 9.9 g of active ingredient and fragrance. The finished product weighed 12.7 g.
• the dry weight of a 10 cm x 10 cm piece of polypropylene fiber fleece was 0.42 g, the wet weight was 1.512 g. From this one is calculated
• Example 1 In the same way as described in Example 1, a 14 cm x 25 cm large fleece made of polyester fibers with a basis weight of 50 g per m 2 and an adsorption capacity of 3.7 was mixed with a mixture of equal parts of commercial textile softening pastes of ditallow alkyl dimethyl ammonium chloride and 1-methyl-1-stearyl-amidoethyl-2-stearyl-imidazolinium methosulfate, to which fragrance was added.
• the fleece piece had taken up 7.3 g of active ingredients and fragrances. When used as in Example 1, fragrance, softness and freedom from stains were assessed as in Example 1.
• the fleece had absorbed 4.5 g of active ingredients and fragrances and weighed 6.8 g. Laundry treated with this had the advantageous properties already described above.
• the polyester fiber fleece of Example 2 was impregnated from the melt on a laboratory pad with a 1: 1 mixture of ditallow alkyldimethylammonium chloride paste and a paste of a polyalkylamide imidazolinium compound to which the fragrance had been mixed.
• the fleece took up 6.7 g of active ingredients and fragrances and weighed 10.1 g.
• a viscose fiber fleece with a basis weight of 55 g per m 2 and an adsorption capacity of approximately 3.5 was made on a laboratory foulard with a melt of a 1: 1 mixture of ditallow alkyl dimethyl ammonium methosulfate paste and a polyglycol ether with a molecular weight of approximately 400 impregnated with the fragrance.
• the fleece weighed 3.3 g and had absorbed approximately 5 g of active ingredient and fragrance. Laundry treated with this had properties similar to those described in the previous examples.
• a viscose fiber fleece with a basis weight of approximately 50 g per m 2 and an adsorption capacity of approximately 3.5 was coated from the melt with a 1: 1 mixture of ditallow alkyldimethylammonium chloride paste and a condensation product from 1 mol of hardened tallow with 1 mol of hydroxyethylethylenediamine .
• the textile cover plasticizer, dispersant and fragrances weighed 3.0 g. This agent also imparted softness and a pleasant fragrance when used in the tumble dryer of the laundry.
• Example 2 The same polyester fiber fleece as in Example 2 with a size of 25 cm x 14 cm was impregnated with 4.4 g of a fragrance-containing melt of commercially available ditallow alkyldimethylammonium chloride powder and an adduct of 9.5 mol of ethylene oxide with nonylphenol.
• the fleece had taken up 3.7 g of active ingredients and fragrances; it gave results similar to those described in the previous examples.
• a 20 cm x 32 cm polyester fiber fleece was coated with a melted mixture of 12 parts of a ditallow alkyldimethylammonium chloride paste and 1 part of cetyl alcohol + 12 moles of ethylene oxide and small amounts of fragrance.
• the fleece had absorbed 6.2 g of active ingredient and fragrance and imparted excellent softness and a distinctive fragrance to the laundry treated with it.

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• Engineering & Computer Science (AREA)
• Chemical & Material Sciences (AREA)
• Textile Engineering (AREA)
• Life Sciences & Earth Sciences (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)

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• 1980
  • 1980-01-30 DE DE19803003249 patent/DE3003249A1/de not_active Withdrawn
• 1981
  • 1981-01-22 EP EP81100442A patent/EP0033134B1/fr not_active Expired
  • 1981-01-22 DE DE8181100442T patent/DE3177078D1/de not_active Expired
  • 1981-01-22 AT AT81100442T patent/ATE44781T1/de not_active IP Right Cessation

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