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
  • C11D3/37—Polymers
  • C11D3/3703—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
  • C11D3/3719—Polyamides or polyimides
• • 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
  • C11D3/3902—Organic or inorganic per-compounds combined with specific additives
  • C11D3/3937—Stabilising agents
  • C11D3/394—Organic 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
• • D—TEXTILES; PAPER
  • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
  • D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
  • D06L4/00—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs
  • D06L4/10—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which develop oxygen
  • D06L4/12—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which develop oxygen combined with specific additives

Definitions

• the present invention relates to a method for simultaneous washing and Bleaching raw virgin fibers, blending several of them or their blends with synthetic fibers and yarns or textile products made from them. Such simultaneous washing and bleaching is necessary Pretreatment before coloring the fibers, fiber mixtures and textiles mentioned Products represent.
• the invention further relates to a combination product for Carrying out this procedure.
• Textile-forming native vegetable fibers such as cotton, sisal and jute, as well as native animal fibers, such as silk and wool, contain waxes, fats in raw form and other animal or vegetable ingredients that have a yellowish-brown color of the fiber. This means that not all of the desired colors are possible, or they are unegal.
• To the waxes and fats of the native fibers mentioned join with fiber blends of native fibers with synthetic fibers, for example with polyamide, polyester, spandex or other, finishing oils, for example Spooling oil or silicone oil, as components that interfere with the coloring added.
• Treatment liquors contain water, H 2 O 2 , wetting / washing and emulsifying agents, alkali and bleach regulators / sequestering agents.
• Water glass and / or inorganic phosphates have long been used as regulators. Water glass had the disadvantage that insoluble calcium silicate deposits formed on material and machines, and the phosphates contributed to the over-fertilization of the waste water.
• the polyphosphates that replace them are again biologically difficult or not at all degradable and thus pollute the waste water in a different way.
• EDTA ethylenediamine tetraacetic acid
• Phosphonobutane tricarboxylic acids used as regulators have a very poor biodegradation rate. It is therefore desirable to use EDTA, phosphonobutane tricarboxylic acids, Polyphosphates and others only minor in recipes Use dimensions.
• R 6 preferably stands for H, particularly preferably R 5 and R 6 stand for H.
• R 7 also stands for H in a likewise preferred manner.
• R 5 , R 6 and R 7 simultaneously stand for H, so that the unsubstituted iminodisuccinic acid or its salts of the type described above are present (both iminodisuccinic acid and its salts are collectively referred to as IDS).
• radicals R 1 , R 2 , R 3 and R 4 have the meaning of H, Na, K, NH 4 or H 3 N (CH 2 CH 2 OH).
• the bleach stabilizers a) used according to the invention and containing substances of the formula (I) are either in pure form or are associated with small amounts of secondary components from the preparation of (I), such as maleic acid, fumaric acid, aspartic acid, malic acid, asparagine, tartaric acid, hydroxyaspartic acid, Condensates of aspartic acid or its salts with the preferred meanings of R 1 to R 4 given above, ie H, Na, K, NH 4 or H 3 N (CH 2 CH 2 OH).
• These secondary components are present in the mixture in an amount of at most 35% by weight, preferably at most 30% by weight and particularly preferably at most 25% by weight; the rest is 100% by weight (I).
• (I) is prepared by known processes in an aqueous medium, for example from maleic anhydride, maleic acid or epoxysuccinic acid and Ammonia or aspartic acid. Methods of this kind are described in GB 1 306 331, JP 6/329 607, JP 6/330 020 and DE 3 739 610.
• IDS of formula (I) is preferably used in an amount of 50 to 100 % By weight of the total amount of bleach stabilizers a), preferably in an amount of 80 to 100% of the total amount of bleach stabilizers a) optionally in addition to the above-mentioned bleach stabilizers used so far.
• Nonionic surfactants are polyethers known to the person skilled in the art from ethylene oxide and / or propylene oxide units which are started on compounds with a mobile H atom, such as alcohols, phenols, alkylphenols, styrene-substituted phenols, carboxylic acids, carboxamides and amines, these being Starter molecules have 8 to 22 carbon atoms, preferably 12 to 20 carbon atoms. The starter molecules are reacted with 3 to 10 moles of ethylene oxide (EO) and optionally 2 to 5 moles of propylene oxide (PO).
• Amphoteric surfactants for the process according to the invention are amine oxides, betaines and sulfobetaines which contain a C 10 -C 22 hydrocarbon radical.
• Preferred amine oxides are those of the formula (IV) (C 10 -C 22 alk (en) yl) ⁇ X ⁇ N (R 1 , R 2 ) ⁇ O in which
• Particularly preferred amine oxides are those of the formula (V) (C 10 -C 22 alkyl) ⁇ N (R 1 , R 2 ) ⁇ O in which
• betaines (III) are: dodecyl dimethyl betaine, coconut alkyl dimethyl betaine, Tetradecyl-dimethyl-betaine, octadecyl-dimethyl-betaine, talc fatty alkyl-dimethyl-betaine, Oleyl-dimethyl-betaine, cocoalkyl-bis-hydroxyethyl-betaine, Stearyl-bis-hydroxyethyl-betaine, tallow fatty alkyl-bis-hydroxyethyl-betaine.
• Suitable amine oxides (IV) are e.g. Dodecyl dimethyl amine oxide, Cocoalkyldimethylamine oxide, tetradecyldimethylamine oxide, octadecyldimethylamine oxide, Tallow fatty alkyl dimethyl amine oxide, oleyl dimethyl amine oxide, coconut alkyl bis-hydroxyethyl amine oxide, Stearyl-bis-hydroxyethyl-amine oxide, tallow fatty alkyl-bis-hydroxyethyl-amine oxide.
• Cationic surfactants are the known quaternary ammonium salts which carry one or two, preferably a C 10 -C 22 -alkyl radical, the remaining substituents on the positively charged N atom being C 1 -C 4 -alkyl radicals.
• the nonionic and the amphoteric are preferred.
• the combination product according to the invention as a further component c) a dispersant such as polyaspartic acid (PAS) or contains a naphthalene formaldehyde sulfonate.
• a dispersant such as polyaspartic acid (PAS) or contains a naphthalene formaldehyde sulfonate.
• PAS polyaspartic acid
• Other dispersants are, for example: condensation products Phenol, fatty amines, formaldehyde and EO and condensation products of formaldehyde with diphenyl sulfone and / or phenolsulfonic acids and / or benzenesulfonic acids.
• PAS can be made, for example, from maleic anhydride, water and ammonia (US-A-4,839,461).
• Maleic anhydride can first be converted into the monoammonium salt in an aqueous medium with the addition of concentrated ammonia solution.
• PAS is prepared by subjecting maleic acid monoammonium salt, preferably at 150 to 180 ° C in a reactor with a residence time of 5 to 300 minutes, to a thermal, optionally continuous, polymerization and the resulting polysuccinimide by hydrolysis to PAS or a salt implement it.
• the salts contain, for example, Li ⁇ , Na ⁇ , K ⁇ , Mg ⁇ , Ca ⁇ , NH 4 ⁇ , H 3 N (CH 2 CH 2 OH) ⁇ , H 2 N (CH 2 CH 2 OH) 2 as cations ⁇ or HN (CH 2 CH 2 OH) 3 ⁇ .
• PAS types with a molecular weight according to gel permeation chromatography are preferred Analysis (calibrated with polystyrene) from 500 to 10,000, preferred 1,000 to 5,000, particularly preferably 2,000 to 4,000 (as weight average) used.
• the amount of further repeating units iii), iv) and v) can be 0 to 100 % By weight, based on the sum of the ⁇ and ⁇ form.
• polysuccinimide can be used as a derivative of the PAS are used, which at elevated temperature, preferably at 100 to 240 ° C, optionally in the presence of a catalyst.
• a catalyst usually in an amount of 0.01 to 1 wt .-%, based on the PAS, used.
• Acidic catalysts such as sulfuric acid and phosphoric acid are preferred and methanesulfonic acid.
• polysuccinimide also falls in a number of manufacturing processes immediately. In such a case, polysuccinimide can go through Reaction with a base, optionally in the presence of water, in a salt one of the cations mentioned above.
• Suitable bases for carrying out an alkaline hydrolysis are alkali and Alkaline earth metal hydroxides or carbonates, such as sodium hydroxide solution, potassium hydroxide solution, Soda, potassium carbonate, ammonia and amines such as triethylamine, Triethanolamine, diethylamine, diethanolamine and ethanolamine.
• PAS amides are those in which a Part of the carboxyl groups present in the PAS are present as amides.
• the production such PAS amides can be obtained from the polysuccinimide mentioned by reaction with primary or secondary amines (DE-A 22 53 190, EP-A-0 274 127, EP-A-0 406 623, EP-A-0 519 119, US-A-3,846,380, US-A-3,927,204, US-A-4,363,797).
• the remaining ones after the amide formation Succinimide structures can subsequently by the mentioned hydrolytic Opening in the presence of bases converted into free carboxyl or carboxylate groups become.
• In preferred derivatives contain 5 to 50 mol%, preferably 10 up to 35 mol% of the aspartic acid units present, such amide structures, while the remaining carboxyl groups are in the form of carboxylate groups.
• Further components d) of the combination product for the process according to the invention are solvents such as methanol, ethanol, n-propanol, isopropanol, butanol, Ethylene glycol, ethylene glycol monomethyl ether, propylene glycol monomethyl ether, Butylene glycol monomethyl ether, optical brighteners and those known to those skilled in the art Fragrances.
• solvents such as methanol, ethanol, n-propanol, isopropanol, butanol, Ethylene glycol, ethylene glycol monomethyl ether, propylene glycol monomethyl ether, Butylene glycol monomethyl ether, optical brighteners and those known to those skilled in the art Fragrances.
• Components c) and d) are therefore not mandatory components of the combination product. Furthermore, components a) and b) cannot be used simultaneously in their maximum possible amount is available; but they are combinations, for example from 65% by weight a) and 35% by weight b) or 35% by weight a) and 65% by weight b) possible.
• the combination product according to the invention is usually 15 to 60 wt .-%, preferably 20-50 wt .-% aqueous solution before, is thus in liquid The form can be dosed well and safely and will separate even if stored for a long time Not.
• the combination product is usually used in an amount of 0.3 to 10 ml / l of liquor.
• the liquor is made alkaline, preferably to one, by adding alkali metal hydroxides, such as NaOH (as an aqueous solution), KOH (as an aqueous solution) or alkali metal carbonates, such as Na 2 CO 3 or K 2 CO 3 (both as a solid) pH of 10 to 14, in particular 11 to 14, and H 2 O 2 (for example as a 30% or 50% aqueous solution) are added.
• alkali metal hydroxides such as NaOH (as an aqueous solution), KOH (as an aqueous solution) or alkali metal carbonates, such as Na 2 CO 3 or K 2 CO 3 (both as a solid) pH of 10 to 14, in particular 11 to 14, and H 2 O 2 (for example as a 30% or 50% aqueous solution) are added.
• NaOH and Na 2 CO 3 are preferably used, in particular NaOH is used in the form of an
• the required amount of the peroxy compound depends on the degree of soiling of the raw fibers or the textile products.
• H 2 O 2 perborates or addition products of H 2 O 2 with, for example, urea can be used as the peroxy compound.
• H 2 O 2 is preferred because of its low price and the fact that only water occurs as the decomposition product.
• the process according to the invention can 1) in the pull-out process (jigger. Jet, reel runner, etc.), 2) in the cold block dwell process (KKV) or 3) in, PAD steam process be used.
• the method of operation according to the invention is described below Procedures for these three variants are shown.
• Jigger jet Reel runner Fleet ratio 1: (2-6) 1: (8-10) 1:20 temperature 90-95 ° C reaction time 30 - 90 minutes Combination product 1 - 4 ml 0.5 - 2 ml 0.5 - 2 ml NaOH (38 ° Be approx. 32% in H 2 O) 3-10 ml H 2 O 2 (30%) 4-15 ml
• the method according to the invention using the combination product according to the invention provides excellent results, such as excellent and hassle-free Removal of winding oils and / or silicone oil, a high degree of whiteness and considerable Save time and water. Because no overdosing of individual components errors are minimized; in addition is a more economical one Storage of fewer components possible, which is the inventive Process designed particularly economically.
• the liquor ratio is 1:10, the washing and bleaching according to the invention takes place at 98 ° C for 60 minutes, then rinsed for 5 minutes in the overflow, then again for 10 minutes at 90 ° C. with the fleet at rest and finally again Flushed for 5 minutes in the overflow.
• the white toner is the reaction product from flavomic acid, cyanuric chloride, sulfanilic acid and di-isopropanolamine.
• Combination products according to the invention Components No.1 (% by weight) a) Phosphonobutane tricarboxylic acid (50% in H 2 O) 19.85 b) surfactant A (34% in H 2 O) 19.85 c) Dispersant 1 (83% in H 2 O) 9.93 d) methoxypropanol 1.98 water 48.39 Components Combination products (% by weight) No. 2 No.3 No.4 No.5 No.
• the combination products according to the invention are shown in the examples below Nos. 1 to 10 for combined washing and bleaching of different textile materials used.
• the textile materials are under each identical conditions in a fleet bleached and washed, the following specified bleach regulators, surfactants and dispersants individually, i.e. not in the form of a previously produced combination product.
• bleach stabilizer 44.0 Phosphonobutane tricarboxylic acid a) bleach regulator 13.0 5 parts NTA 28 parts Gluconic acid (60% in H 2 O) 8 parts citric acid 6 parts NaOH 2 parts MgO 51 pieces H 2 O b) surfactants 21.5 26 parts Tallow fat bis (hydroxyethyl) amine with ClCH 2 COONa converted to betaine 7 parts acetic acid 9 parts Methoxypropanol 5 parts a condensation product of phenol, C 16 amine, formaldehyde and 15 units of EO and 53 parts H 2 O c) dispersant 21.5 Dispersant 1 (83% in H 2 O)
• Combination product no.1 Comparative formula Residual peroxide in% 20th 34 CIE whiteness (with filter) 76 73 Petroleum ether extract in% 0.47 0.39

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• Chemical & Material Sciences (AREA)
• Engineering & Computer Science (AREA)
• Life Sciences & Earth Sciences (AREA)
• Chemical Kinetics & Catalysis (AREA)
• Oil, Petroleum & Natural Gas (AREA)
• Wood Science & Technology (AREA)
• Organic Chemistry (AREA)
• Inorganic Chemistry (AREA)
• Textile Engineering (AREA)
• Detergent Compositions (AREA)

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• 1998
  • 1998-03-05 DE DE19809359A patent/DE19809359A1/de not_active Withdrawn
• 1999
  • 1999-02-20 EP EP99103352A patent/EP0940495A1/fr not_active Withdrawn
  • 1999-03-01 US US09/259,200 patent/US6096097A/en not_active Expired - Fee Related

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