WO2016055321A1 - Verfahren zum waschen von textilien in einer waschmaschine mit aktivierungseinrichtung - Google Patents
Verfahren zum waschen von textilien in einer waschmaschine mit aktivierungseinrichtung Download PDFInfo
- Publication number
- WO2016055321A1 WO2016055321A1 PCT/EP2015/072513 EP2015072513W WO2016055321A1 WO 2016055321 A1 WO2016055321 A1 WO 2016055321A1 EP 2015072513 W EP2015072513 W EP 2015072513W WO 2016055321 A1 WO2016055321 A1 WO 2016055321A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- washing
- washing liquid
- textiles
- use according
- acid
- Prior art date
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- JFCQEDHGNNZCLN-UHFFFAOYSA-N anhydrous glutaric acid Natural products OC(=O)CCCC(O)=O JFCQEDHGNNZCLN-UHFFFAOYSA-N 0.000 description 1
- 125000002490 anilino group Chemical group [H]N(*)C1=C([H])C([H])=C([H])C([H])=C1[H] 0.000 description 1
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- VZVHUBYZGAUXLX-UHFFFAOYSA-N azane;azanide;cobalt(3+) Chemical compound N.N.N.[NH2-].[NH2-].[NH2-].[Co+3] VZVHUBYZGAUXLX-UHFFFAOYSA-N 0.000 description 1
- 229940116226 behenic acid Drugs 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 150000001555 benzenes Chemical class 0.000 description 1
- SRSXLGNVWSONIS-UHFFFAOYSA-M benzenesulfonate Chemical compound [O-]S(=O)(=O)C1=CC=CC=C1 SRSXLGNVWSONIS-UHFFFAOYSA-M 0.000 description 1
- 229940077388 benzenesulfonate Drugs 0.000 description 1
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- 125000003236 benzoyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C(*)=O 0.000 description 1
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- 239000000982 direct dye Substances 0.000 description 1
- 125000003438 dodecyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- NFDRPXJGHKJRLJ-UHFFFAOYSA-N edtmp Chemical compound OP(O)(=O)CN(CP(O)(O)=O)CCN(CP(O)(O)=O)CP(O)(O)=O NFDRPXJGHKJRLJ-UHFFFAOYSA-N 0.000 description 1
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- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- XMBWDFGMSWQBCA-UHFFFAOYSA-N hydrogen iodide Chemical compound I XMBWDFGMSWQBCA-UHFFFAOYSA-N 0.000 description 1
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- 238000006460 hydrolysis reaction Methods 0.000 description 1
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- 125000001841 imino group Chemical group [H]N=* 0.000 description 1
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- CDAISMWEOUEBRE-GPIVLXJGSA-N inositol Chemical compound O[C@H]1[C@H](O)[C@@H](O)[C@H](O)[C@H](O)[C@@H]1O CDAISMWEOUEBRE-GPIVLXJGSA-N 0.000 description 1
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- 229910052742 iron Inorganic materials 0.000 description 1
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- 150000003951 lactams Chemical class 0.000 description 1
- 239000004310 lactic acid Substances 0.000 description 1
- 235000014655 lactic acid Nutrition 0.000 description 1
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- 230000005923 long-lasting effect Effects 0.000 description 1
- USSBDBZGEDUBHE-UHFFFAOYSA-L magnesium;2-oxidooxycarbonylbenzoate Chemical compound [Mg+2].[O-]OC(=O)C1=CC=CC=C1C([O-])=O USSBDBZGEDUBHE-UHFFFAOYSA-L 0.000 description 1
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- AHSBSUVHXDIAEY-UHFFFAOYSA-K manganese(iii) acetate Chemical compound [Mn+3].CC([O-])=O.CC([O-])=O.CC([O-])=O AHSBSUVHXDIAEY-UHFFFAOYSA-K 0.000 description 1
- HEBKCHPVOIAQTA-UHFFFAOYSA-N meso ribitol Natural products OCC(O)C(O)C(O)CO HEBKCHPVOIAQTA-UHFFFAOYSA-N 0.000 description 1
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- KVMCMJZPRBHUNJ-UHFFFAOYSA-N n'-[bis(1-methylimidazol-2-yl)methyl]ethane-1,2-diamine Chemical compound CN1C=CN=C1C(NCCN)C1=NC=CN1C KVMCMJZPRBHUNJ-UHFFFAOYSA-N 0.000 description 1
- AFDQGRURHDVABZ-UHFFFAOYSA-N n,n-dimethylformamide;sulfur trioxide Chemical compound O=S(=O)=O.CN(C)C=O AFDQGRURHDVABZ-UHFFFAOYSA-N 0.000 description 1
- WQEPLUUGTLDZJY-UHFFFAOYSA-N n-Pentadecanoic acid Natural products CCCCCCCCCCCCCCC(O)=O WQEPLUUGTLDZJY-UHFFFAOYSA-N 0.000 description 1
- GOQYKNQRPGWPLP-UHFFFAOYSA-N n-heptadecyl alcohol Natural products CCCCCCCCCCCCCCCCCO GOQYKNQRPGWPLP-UHFFFAOYSA-N 0.000 description 1
- BXWNKGSJHAJOGX-UHFFFAOYSA-N n-hexadecyl alcohol Natural products CCCCCCCCCCCCCCCCO BXWNKGSJHAJOGX-UHFFFAOYSA-N 0.000 description 1
- 150000002825 nitriles Chemical class 0.000 description 1
- MGFYIUFZLHCRTH-UHFFFAOYSA-N nitrilotriacetic acid Chemical compound OC(=O)CN(CC(O)=O)CC(O)=O MGFYIUFZLHCRTH-UHFFFAOYSA-N 0.000 description 1
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 description 1
- 125000001402 nonanoyl group Chemical group O=C([*])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 1
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 description 1
- 229940055577 oleyl alcohol Drugs 0.000 description 1
- XMLQWXUVTXCDDL-UHFFFAOYSA-N oleyl alcohol Natural products CCCCCCC=CCCCCCCCCCCO XMLQWXUVTXCDDL-UHFFFAOYSA-N 0.000 description 1
- 238000006384 oligomerization reaction Methods 0.000 description 1
- 229920001542 oligosaccharide Polymers 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- 150000007530 organic bases Chemical class 0.000 description 1
- 150000004967 organic peroxy acids Chemical class 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 125000000913 palmityl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229910003446 platinum oxide Inorganic materials 0.000 description 1
- 229920000962 poly(amidoamine) Polymers 0.000 description 1
- 108010064470 polyaspartate Proteins 0.000 description 1
- 229920001748 polybutylene Polymers 0.000 description 1
- 229920005646 polycarboxylate Polymers 0.000 description 1
- 229920001451 polypropylene glycol Polymers 0.000 description 1
- 235000020777 polyunsaturated fatty acids Nutrition 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 235000019422 polyvinyl alcohol Nutrition 0.000 description 1
- 239000001267 polyvinylpyrrolidone Substances 0.000 description 1
- 150000004032 porphyrins Chemical class 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 159000000001 potassium salts Chemical class 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000010970 precious metal Substances 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 150000003141 primary amines Chemical class 0.000 description 1
- UIIIBRHUICCMAI-UHFFFAOYSA-N prop-2-ene-1-sulfonic acid Chemical compound OS(=O)(=O)CC=C UIIIBRHUICCMAI-UHFFFAOYSA-N 0.000 description 1
- 230000002797 proteolythic effect Effects 0.000 description 1
- PBMFSQRYOILNGV-UHFFFAOYSA-N pyridazine Chemical compound C1=CC=NN=C1 PBMFSQRYOILNGV-UHFFFAOYSA-N 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- HNJBEVLQSNELDL-UHFFFAOYSA-N pyrrolidin-2-one Chemical compound O=C1CCCN1 HNJBEVLQSNELDL-UHFFFAOYSA-N 0.000 description 1
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- 239000000985 reactive dye Substances 0.000 description 1
- 239000001044 red dye Substances 0.000 description 1
- 238000006268 reductive amination reaction Methods 0.000 description 1
- HEBKCHPVOIAQTA-ZXFHETKHSA-N ribitol Chemical compound OC[C@H](O)[C@H](O)[C@H](O)CO HEBKCHPVOIAQTA-ZXFHETKHSA-N 0.000 description 1
- 150000003303 ruthenium Chemical class 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 150000004671 saturated fatty acids Chemical class 0.000 description 1
- 239000002455 scale inhibitor Substances 0.000 description 1
- 230000007017 scission Effects 0.000 description 1
- CDAISMWEOUEBRE-UHFFFAOYSA-N scyllo-inosotol Natural products OC1C(O)C(O)C(O)C(O)C1O CDAISMWEOUEBRE-UHFFFAOYSA-N 0.000 description 1
- DCKVNWZUADLDEH-UHFFFAOYSA-N sec-butyl acetate Chemical compound CCC(C)OC(C)=O DCKVNWZUADLDEH-UHFFFAOYSA-N 0.000 description 1
- 150000003333 secondary alcohols Chemical class 0.000 description 1
- 150000003335 secondary amines Chemical class 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000003352 sequestering agent Substances 0.000 description 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- HKZLPVFGJNLROG-UHFFFAOYSA-M silver monochloride Chemical compound [Cl-].[Ag+] HKZLPVFGJNLROG-UHFFFAOYSA-M 0.000 description 1
- 235000012217 sodium aluminium silicate Nutrition 0.000 description 1
- 239000007944 soluble tablet Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000001694 spray drying Methods 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
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- 125000000547 substituted alkyl group Chemical group 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000005720 sucrose Substances 0.000 description 1
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- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 1
- 125000001273 sulfonato group Chemical group [O-]S(*)(=O)=O 0.000 description 1
- 150000003460 sulfonic acids Chemical class 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- 150000003470 sulfuric acid monoesters Chemical class 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 239000011975 tartaric acid Substances 0.000 description 1
- 235000002906 tartaric acid Nutrition 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
- 150000003512 tertiary amines Chemical class 0.000 description 1
- TUNFSRHWOTWDNC-HKGQFRNVSA-N tetradecanoic acid Chemical class CCCCCCCCCCCCC[14C](O)=O TUNFSRHWOTWDNC-HKGQFRNVSA-N 0.000 description 1
- POWFTOSLLWLEBN-UHFFFAOYSA-N tetrasodium;silicate Chemical class [Na+].[Na+].[Na+].[Na+].[O-][Si]([O-])([O-])[O-] POWFTOSLLWLEBN-UHFFFAOYSA-N 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 238000005809 transesterification reaction Methods 0.000 description 1
- 229960002622 triacetin Drugs 0.000 description 1
- 150000003626 triacylglycerols Chemical class 0.000 description 1
- 150000003918 triazines Chemical class 0.000 description 1
- 150000003852 triazoles Chemical class 0.000 description 1
- UDBAOKKMUMKEGZ-UHFFFAOYSA-K trichloromanganese Chemical compound [Cl-].[Cl-].[Cl-].[Mn+3] UDBAOKKMUMKEGZ-UHFFFAOYSA-K 0.000 description 1
- 150000005691 triesters Chemical class 0.000 description 1
- 239000013638 trimer Substances 0.000 description 1
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- 150000003672 ureas Chemical class 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- GPPXJZIENCGNKB-UHFFFAOYSA-N vanadium Chemical compound [V]#[V] GPPXJZIENCGNKB-UHFFFAOYSA-N 0.000 description 1
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Classifications
-
- 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
- D06F35/00—Washing machines, apparatus, or methods not otherwise provided for
- D06F35/003—Washing machines, apparatus, or methods not otherwise provided for using electrochemical cells
-
- 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
- C11D3/3905—Bleach activators or bleach catalysts
- C11D3/3907—Organic compounds
- C11D3/3917—Nitrogen-containing compounds
- C11D3/3927—Quarternary ammonium compounds
-
- 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
- D06F35/00—Washing machines, apparatus, or methods not otherwise provided for
- D06F35/005—Methods for washing, rinsing or spin-drying
- D06F35/006—Methods for washing, rinsing or spin-drying for washing or rinsing only
-
- 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
- D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00
-
- 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
- C11D2111/00—Cleaning compositions characterised by the objects to be cleaned; Cleaning compositions characterised by non-standard cleaning or washing processes
- C11D2111/10—Objects to be cleaned
- C11D2111/12—Soft surfaces, e.g. textile
-
- 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
- C11D2111/00—Cleaning compositions characterised by the objects to be cleaned; Cleaning compositions characterised by non-standard cleaning or washing processes
- C11D2111/40—Specific cleaning or washing processes
- C11D2111/46—Specific cleaning or washing processes applying energy, e.g. irradiation
-
- 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
- D06F35/00—Washing machines, apparatus, or methods not otherwise provided for
- D06F35/004—Washing machines, apparatus, or methods not otherwise provided for using chlorine generators
Definitions
- the present invention relates to a method for washing textiles in a washing machine with an activation device.
- detergents intended for use in the washing of colored textiles are usually mixed with color transfer inhibitors intended to prevent the transfer of dyes to other textiles.
- color transfer inhibitors intended to prevent the transfer of dyes to other textiles.
- a disadvantage of these additives is that they are usually only effective against single or a few dyes, but not against a wider range of dyes.
- commercial dye transfer inhibiting agents show good red dye activity, but little or no effect on disperse, acid or vat dyes.
- Just such a broad color spectrum is, however, in a household cotton dyeing, since for efficiency reasons a sorting by color generally coarse (light / dark) is performed, but usually not on individual shades.
- US Pat. No. 3,927,967 discloses a process for the stain treatment of textiles, in which the textiles are subjected to a treatment with a detergent solution, a photoactivator and oxygen and are irradiated with visible light during this treatment process.
- a method is not useful for the treatment of dyed textiles, in particular for suppressing the dyeing process, since not only the dyes dissolved in the washing liquid but also the dyes bound to the textiles are attacked by the treatment and the textiles thereby undesirably fade and lose color.
- the invention therefore relates to a method for washing textiles in a washing machine (1) with a washing chamber (2) for receiving a washing liquid and to be cleaned textiles and with an activation device (3) via an inlet (4) for introducing washing liquid from the washing chamber (2) into the activation device (3) and via an outlet (5) for discharging washing liquid from the activation device (3) into the washing chamber (2) and which moreover has at least one activating agent, suitable for initiating within the activation device (3) a process for the formation of free radicals in the washing liquid, comprising the steps:
- Organic bleach booster compounds are organic compounds which contain no metal or transition metals, have no peroxo groups and do not form peroxycarboxylic acids or peroxymic acids in conventional washing processes in the presence of H2O2 or H202 precursors via a perhydrolysis reaction and nevertheless enhance their presence in the washing process Bleaching performance.
- the organic bleach booster compound is preferably selected from the compounds of general formula (I),
- R is a straight-chain or branched alkyl radical having 2 to 20 C atoms, in particular 8 to 12 C atoms, and mixtures thereof are selected.
- the alkyl radical R is branched at its 2-position and is in particular selected from 2-methylhexyl, 2-ethylhexyl, 2-ethylheptyl, 2-propylheptyl, 2-butyloctyl, 2 Butylnonyl, 2-pentylnonyl, 2-pentyldecyl and 2-hexyldecyl and mixtures thereof, although the n-dodecyl, n-tetradecyl, n-hexadecyl, n-octadecyl, iso-nonyl -, iso-decyl, iso-tridecyl and iso-pentadecyl radical and mixtures of these come for R
- the measure according to the invention thus minimizes the risk of textile discoloration during the washing process, since dyes removed from the textile become oxidative from the wash liquor and can not deposit on undyed or differently colored textiles, on the other hand, dyes located on the textile are as a rule not attacked and so the textiles do not change their original color by the washing process in an unreasonable way.
- the washing machine used in accordance with the invention may basically be a household-type cuboid washing machine with a capacity of about 4 to 12 kg of laundry, but also other types of washing machine, for example industrial washing machines of a different construction and significantly greater capacity, are possible.
- the washing chamber is that space, which is traversed during a wash of washing liquid.
- these are generally a washing drum and the immediately surrounding space.
- the dyes which have been transferred to the washing liquid during a washing process can be decomposed by free radicals in their interaction with organic bleach booster compound, in particular the compound of general formula (I).
- Free radicals have at least one unpaired electron and are therefore extremely reactive and thus short-lived. They are able to react with the dyes in the washing liquid, detached from the textile dyes and thus decompose them.
- the decomposition of the dye Acid Orange 7 mentioned which is decomposed by the interaction with free radicals in colorless aromatic by-products, which in turn can be converted in turn by further oxidation in aliphatic acids.
- the organic bleach booster compound in particular the compound according to general formula (I)
- a stronger decomposition of the dye molecules occurs.
- This property of free radicals makes use of the washing machine used in the method according to the invention. It has an activation device, in which the washing liquid from the guard chamber can be introduced. In the activation device, the activation means is arranged, which is suitable for initiating a process for the formation of free radicals in the washing liquid within the activation device. The washing liquid treated in this way is then removed from the activating device and introduced into the washing chamber together with the organic bleach booster compound contained therein, and fed to the further washing process in the washing machine. In the presence of the organic bleach booster compound, in particular the compound according to general formula (I), a stronger decomposition of the dye molecules occurs.
- the organic bleach booster compound in particular the compound according to general formula (I)
- Both the inlet for introducing the washing liquid from the washing chamber into the activating device and the outlet for leading the washing liquid into the washing chamber are preferably such that textiles can not get into the activating device.
- the inlet and / or the outlet of the activation device may be equipped, for example, with suitable filters or grids, which are not passable for textiles, but for the washing liquid.
- the dimensions, in particular the cross-sectional area of the inlet and / or the outlet may be so dimensioned that an entry of textiles into the activation device is not possible.
- the activating agent comprises a UV radiation source, that is, the process of forming free radicals in the activating device is initiated by UV irradiation.
- the washing liquid used in this embodiment variant is a wash liquor which contains additional chemical components such as hydrogen peroxide (H 2 O 2) or finely divided titanium dioxide (T 2 O 2).
- the UV radiation emitted by the radiation source in the activation device activates the hydrogen peroxide or titanium dioxide contained in the wash liquor and forms highly reactive hydroxyl radicals (OH radicals) as the short-lived products of this reaction, which are capable together with the organic bleach amplifier compound to show the desired color transfer inhibiting performance.
- the concentration of hydrogen peroxide in the washing liquid is preferably 0.1 to 50 mmol / l, more preferably 1 to 20 mmol / l.
- UV radiation source a quartz lamp or a UV light emitting diode can be used.
- other UV radiation sources such as gas discharge lamps, fluorescent lamps or lasers are conceivable.
- a UV radiation source is present as the activating agent, it is generally preferred that this source is arranged in the activating device and / or that the activating device is designed so that no direct UV radiation is introduced into the washing chamber Dyes are not damaged in the textiles in the wash chamber. This can be done, for example, by providing an aperture or curve at the entrance and exit in the direction of the wash chamber, and the wash liquid must flow around the aperture or around the curve.
- the inputs and outputs of the activation device may be arranged in a direction that does not point in the direction of the wash chamber.
- the preferred wavelength range of the emitted UV radiation is in the range from 100 nm to 400 nm, particularly preferably from 250 nm to 400 nm.
- the activating means comprises an electrode arrangement comprising an anode and a cathode, in which case the free radicals are formed in the washing liquid by means of an electrochemical process.
- the anode and the cathode can be introduced into the activation device and in each case connected to the positive or negative pole of a DC voltage source.
- the water contained in the washing liquid is split to form OH radicals.
- an anode for example, an electrode made of graphite, steel, diamond, precious metals such as platinum or metal oxides or metal oxide mixtures can be used.
- an optionally boron-doped diamond electrode is used as the anode.
- This is usually a base body made of plastic, metal or a semiconductor, for example silicon, which is coated with a thin, polycrystalline diamond layer.
- the diamond layer is doped with boron during production.
- the effective area of the anode is preferably in the range of 1 cm 2 to 500 cm 2 , more preferably between 2 cm 2 and 100 cm 2 .
- the electrolysis is preferably carried out at current strengths in the range of 0.01 A to 30 A, preferably 0.1 A to 10 A.
- both the UV radiation source and the electrode arrangement can be arranged in a common activation device.
- a series or parallel connection of two activation devices, each with an activating agent is conceivable.
- At least one pump is preferably provided, which pumps the washing liquid out of the washing chamber into the activation device and / or out of it.
- the onset, intensity and duration of the free radical formation process in the activator are preferably controllable.
- the onset of the process can be coupled to the achievement of certain operating parameters, for example, to a certain temperature of the washing liquid or to a certain phase of the wash cycle.
- a temperature sensor may be provided, by which the temperature of the washing liquid can be detected.
- a purely temporal control can be provided, in which the radical formation process starts at a pre-settable time.
- the duration of the process can be set to stop as soon as a certain bleaching result is achieved.
- the onset of the process can also be completely prevented.
- the intensity and duration of the process can be correspondingly increased.
- the temperature of the scrubbing liquid with which the process according to the invention can be operated may, if desired, be in the range from 10 ° C to 100 ° C, preferably from 20 ° C to 60 ° C.
- the activation device is preferably operated over a period of 1 minute to 240 minutes, in particular from 10 minutes to 60 minutes
- the activation device can be permanently installed in a housing of the washing machine according to one embodiment of the invention.
- the power supply for the activating means or, if appropriate, for the pump can be coupled to the power supply of the washing machine.
- the activation device may, for example, be mounted underneath the drum or on the inside of the door of the washing machine.
- corresponding lines can be provided in the washing machine, which can be connected to the inlet and the outlet of the activation device.
- the washing chamber can have a washing liquid outlet, which can be connected to the inlet of the activation device. Accordingly, the outlet of the activation device can be connectable to a washing liquid inlet of the washing chamber, so that the treated washing liquid can be guided out of the activation device back into the washing chamber.
- the activation device can also be designed as a separate, preferably battery-operated module. This can be attached for example by means of a corresponding holder on the inside of the door of the washing machine.
- the advantage of a separately insertable module is that it can be used only when needed and thus subject to less wear.
- a separate module can also be installed later in an existing washing machine or off a defective washing machine and installed in a new washing machine.
- Figure 1 an embodiment of the activation device in a schematic representation
- Figure 2 an alternative embodiment of the activation device in a schematic representation
- FIG 3 is a schematic view of a washing machine with the activation device of Figure 1;
- FIG. 4 shows a schematic view of a washing machine with the activation device from FIG. 2.
- FIG. 1 shows an exemplary embodiment of an activation device, generally designated 3, which is suitable for receiving washing liquid.
- the activation device 3 has an inlet 4 and an outlet 5.
- washing liquid not shown, can pass from the environment of the activation device 3 into its interior.
- the washing liquid can emerge from the activation device 3 again via the outlet 5.
- the flow direction of the washing liquid is indicated schematically by arrows.
- a UV radiation source 6 is arranged within the activation device 3.
- the arrangement of the UV radiation source 6 within the activation device 3 is shown only schematically in FIG. 1; in particular, the representation of the electrical connections of the UV radiation source 6 has been dispensed with.
- the UV radiation source 6 may be a UV-quartz lamp which emits UV radiation having a wavelength of 254 nm.
- a washing liquid containing hydrogen peroxide or finely divided titanium dioxide is introduced into the activating device 3 through the inlet 4, hhO.sub.3 molecules are activated by the UV radiation emitted by the quartz lamp, resulting in short-lived, highly reactive hydroxyl radicals.
- hhO.sub.3 molecules are activated by the UV radiation emitted by the quartz lamp, resulting in short-lived, highly reactive hydroxyl radicals.
- FIG. 2 shows an alternative embodiment of the activation device 3.
- the same components are identified by the same reference numerals and will not be explained separately to avoid repetition.
- an electrode arrangement 7 which consists of an anode 8 and a cathode 9.
- the anode 8 is connected to the positive pole of a DC electric power source 10, the cathode 9 to the negative pole.
- the anode 8 may be a boron-doped diamond anode, the cathode 9 a stainless steel electrode.
- FIGS. 3 and 4 each show a washing machine with an activation device.
- the washing machine 1 shown in simplified form in FIG. 3 has a drum 13, which is part of a washing chamber 2 and below which the activation device 3 according to FIG. 1 containing a UV quartz lamp is arranged.
- the washing chamber 2 consists of the washing drum 13 and the immediately surrounding space, which is traversed by the washing liquid during the wash cycle.
- the fluid flow through the activation device 3 is indicated by arrows. It is equally possible to arrange the activation device 3 in the alternative embodiment with electrode arrangement 7 in an area below the drum 13.
- the activation device 3 is an integral part of the washing machine 1 in the example shown.
- the activation device 3 can also, as shown in FIG. 4, be arranged in the region of a door 12 of the washing machine 1.
- the activation device 3 is mounted on the inside of the door 12 of the washing machine 1.
- it is the design of the activation device 3 with electrode assembly 7.
- the execution of the activation device 3 with UV radiation source 6 in the region of the door 12 of the washing machine 1.
- the activation device 3 is introduced in this example as a separate, battery-operated module in the washing machine 1 and can be removed if necessary.
- the use according to the invention and the inventive method are preferably carried out at temperatures in the range of 10 ° C to 95 ° C, in particular 20 ° C to 60 ° C and more preferably at temperatures below 30 ° C.
- the water hardness of the water used for preparing the aqueous liquor is preferably in the range from 0 ° dH to 21 ° dH, in particular 0 ° dH to 3 ° dH.
- the water hardness is preferably in the range of 0 ° dH to 23 ° dH, in particular 0 ° dH to 6 ° dH, which can be achieved for example by the use of conventional builder materials or water softeners.
- the use according to the invention and the method according to the invention are preferably carried out at pH values in the range from pH 2 to pH 13, in particular from pH 7 to pH 1 1.
- the organic bleach booster compound, in particular the compound of the general formula (I) can be introduced into the washing machine in addition to an otherwise customary detergent, but it can preferably be part of the detergent used in the process according to the invention and in the context of the inventive use.
- the concentration of the organic bleach booster compound in the particular aqueous scrubbing liquid is preferably in the range of 0.5 ⁇ / ⁇ to 500 ⁇ / ⁇ , in particular from 5 ⁇ / ⁇ to 200 ⁇ / ⁇ .
- a detergent which comprises an organic bleach booster compound, in particular a compound according to general formula (I), is preferably used to produce the in particular aqueous wash liquid.
- a washing agent used in the context of the present invention can be used in addition to the organic bleach booster compound which it preferably contains in amounts of from 0.001% by weight to 2% by weight, in particular from 0.03% by weight to 0.2% by weight. % contains usual ingredients compatible with this ingredient.
- Detergents which may be in the form of homogeneous solutions or suspensions, in particular in powdered solids, in densified particle form, may in principle contain, in addition to the active ingredient used according to the invention, all known ingredients customary in such agents.
- the agents according to the invention may, in particular, be builder substances, surface-active surfactants, bleaches based on organic and / or inorganic peroxygen compounds, other bleach activators, water-miscible organic solvents, enzymes, sequestering agents, electrolytes, pH regulators and other auxiliaries, such as optical brighteners, gray scale inhibitors, Foam regulators and dyes and fragrances included.
- compositions preferably comprise one or more surfactants, in particular anionic surfactants, nonionic surfactants and mixtures thereof, but also cationic, zwitterionic and amphoteric surfactants.
- Suitable nonionic surfactants are in particular alkyl glycosides and ethoxylation and / or propoxylation of alkyl glycosides or linear or branched alcohols each having 12 to 18 carbon atoms in the alkyl moiety and 3 to 20, preferably 4 to 10 alkyl ether groups. Also suitable are ethoxylation and / or propoxylation products of N-alkylamines, vicinal diols, fatty acid esters and fatty acid amides which correspond to said long-chain alcohol derivatives with respect to the alkyl moiety and of alkylphenols having 5 to 12 C atoms in the alkyl radical.
- the nonionic surfactants used are preferably alkoxylated, advantageously ethoxylated, in particular primary, alcohols having preferably 8 to 18 carbon atoms and on average 1 to 12 moles of ethylene oxide (EO) per mole of alcohol, in which the alcohol radical is linear or preferably 2- Position may be methyl branched or contain linear and methyl-branched radicals in the mixture, as they are usually present in Oxoalkoholresten.
- alcohol ethoxylates with linear radicals of alcohols of natural origin having 12 to 18 carbon atoms, for example of coconut, palm, tallow or oleyl alcohol, and on average 2 to 8 EO per mole of alcohol are preferred.
- the preferred ethoxylated alcohols include, for example, C12-C14 alcohols with 3 EO or 4 EO, Cg-Cn alcohols with 7 EO, cis-Cis alcohols with 3 EO, 5 EO, 7 EO or 8 EO, C12-C18 alcohols. Alcohols with 3 EO, 5 EO or 7 EO and mixtures of these, such as mixtures of Ci2-Ci4-alcohol with 3 EO and Ci2-Ci8-alcohol with 7 EO.
- the stated degrees of ethoxylation represent statistical averages, which for a particular product may be an integer or a fractional number.
- Preferred alcohol ethoxylates have a narrow homolog distribution (narrow rank ethoxylates, NRE).
- fatty alcohols with more than 12 EO can also be used.
- examples include (tallow) fatty alcohols with 14 EO, 16 EO, 20 EO, 25 EO, 30 EO or 40 EO.
- agents for use in mechanical processes usually extremely low-foam compounds are used. These include preferably Ci2-Ci8-alkylpolyethylenglykol-polypropylene glycol ethers each with at 8 mol ethylene oxide and propylene oxide in the molecule.
- low-foam nonionic surfactants such as, for example, C 12 -C 18 -alkylpolyethylene glycol polybutylene glycol ethers having in each case up to 8 mol of ethylene oxide and butylene oxide units in the molecule and end-capped alkylpolyalkylene glycol mixed ethers.
- C 12 -C 18 -alkylpolyethylene glycol polybutylene glycol ethers having in each case up to 8 mol of ethylene oxide and butylene oxide units in the molecule and end-capped alkylpolyalkylene glycol mixed ethers.
- hydroxyl-containing alkoxylated alcohols so-called hydroxy mixed ethers.
- the nonionic surfactants also include alkyl glycosides of the general formula RO (G) x, in which R is a primary straight-chain or methyl-branched, in particular 2-methyl-branched aliphatic radical having 8 to 22, preferably 12 to 18 carbon atoms and G represents a glycose unit having 5 or 6 C atoms, preferably glucose.
- the degree of oligomerization x which indicates the distribution of monoglycosides and oligoglycosides, is an arbitrary number - which, as a variable to be determined analytically, may also assume fractional values - between 1 and 10; preferably x is 1, 2 to 1, 4.
- R is CO for an aliphatic acyl radical having 6 to 22 carbon atoms
- R 2 is hydrogen, an alkyl or hydroxyalkyl radical having 1 to 4 carbon atoms
- [Z] is a linear or branched polyhydroxyalkyl radical having 3 to 10 carbon atoms and 3 to 10 hydroxyl groups
- the polyhydroxy fatty acid amides are preferably derived from reducing sugars having 5 or 6 carbon atoms, in particular from glucose.
- the group of polyhydroxy fatty acid amides also includes compounds of the formula
- R 3 -CO-N- [Z] in the R 3 is a linear or branched alkyl or alkenyl radical having 7 to 12 carbon atoms
- R 4 is a linear, branched or cyclic alkylene radical or an arylene radical having 2 to 8 carbon atoms
- R 5 is a linear, branched or cyclic alkyl radical or an aryl radical or an oxyalkyl radical having 1 to 8 carbon atoms, preference being given to C 1 -C 4 -alkyl or phenyl radicals
- [Z] is also obtained here preferably by reductive amination of a sugar such as glucose, fructose, maltose, lactose, galactose, mannose or xylose.
- a sugar such as glucose, fructose, maltose, lactose, galactose, mannose or xylose.
- the N-alkoxy- or N-aryloxy-substituted compounds can be converted into the desired polyhydroxy fatty acid amides by reaction with fatty acid methyl esters in the presence of an alkoxide as catalyst.
- nonionic surfactants used either as the sole nonionic surfactant or in combination with other nonionic surfactants, in particular together with alkoxylated fatty alcohols and / or alkyl glycosides, are alkoxylated, preferably ethoxylated or ethoxylated and propoxylated fatty acid alkyl esters, preferably with 1 to 4 carbon atoms in the alkyl chain, in particular fatty acid methyl ester.
- Nonionic surfactants of the amine oxide type for example N-cocoalkyl-N, N-dimethylamine oxide and N-tallowalkyl-N, N-dihydroxyethylamine oxide, and the fatty acid alkanolamides may also be suitable.
- nonionic surfactants is preferably not more than that of the ethoxylated fatty alcohols, especially not more than half thereof.
- suitable surfactants are so-called gemini surfactants. These are generally understood as meaning those compounds which have two hydrophilic groups per molecule.
- gemini surfactants are, for example, sulfated hydroxymix ethers or dimer alcohol bis- and trimer alcohol tris sulfates and ether sulfates End-capped dimeric and trimeric mixed ethers are distinguished, in particular, by their bi- and multifunctional properties. surfactants have good wetting properties and are low in foams so that they are particularly suitable for use in automatic washing or cleaning processes. However, it is also possible to use gemini-polyhydroxy fatty acid amides or poly-polyhydroxy fatty acid amides.
- Suitable anionic surfactants are in particular soaps and those which contain sulfate or sulfonate groups.
- Preferred surfactants of the sulfonate type are C 9 -C 13 -alkylbenzenesulfonates, olefinsulfonates, ie mixtures of alkene and hydroxyalkanesulfonates and also disulfonates, such as are obtained, for example, from C 12 -C 18 -monoolefins having terminal or internal double bonds by sulfonation gaseous sulfur trioxide and subsequent alkaline or acid hydrolysis of the sulfonation obtained.
- alkanesulfonates which are obtained from C 12 -alkanes, for example by sulfochlorination or sulfoxidation with subsequent hydrolysis or neutralization.
- esters of ⁇ -sulfo fatty acids esters of ⁇ -sulfo fatty acids (ester sulfonates), for example the ⁇ -sulfonated methyl esters of hydrogenated coconut, palm kernel or tallow fatty acids obtained by ⁇ -sulfonation of the methyl esters of fatty acids of plant and / or animal origin with 8 to 20 C -Atomen in the fatty acid molecule and subsequent neutralization to water-soluble mono-salts are prepared, into consideration.
- ⁇ -sulfonated esters of hydrogenated coconut, palm, palm kernel or tallow fatty acids although sulfonated products of unsaturated fatty acids, for example oleic acid, in small amounts, preferably in amounts not above about 2 to 3 wt .-%, can be present.
- ⁇ -sulfofatty acid alkyl esters which have an alkyl chain with not more than 4 C atoms in the ester group, for example methyl ester, ethyl ester, propyl ester and butyl ester.
- the methyl esters of ⁇ -sulfofatty acids (MES), but also their saponified salts, are used with particular advantage.
- Suitable anionic surfactants are sulfated fatty acid glycerol esters, which are mono-, di- and triesters and mixtures thereof, as in the preparation by esterification by a monoglycerol with 1 to 3 moles of fatty acid or in the transesterification of triglycerides with 0.3 to 2 moles of glycerol to be obtained.
- Alk (en) ylsulfates are the alkali metal salts and in particular the sodium salts of the sulfuric monoesters of C 12-18 fatty alcohols, for example coconut fatty alcohol, tallow fatty alcohol, lauryl, myristyl, cetyl or stearyl alcohol or the C 10 -C 20 oxo alcohols and those half esters of secondary alcohols this chain length is preferred. Also preferred are alk (en) ylsulfates of said chain length, which contain a synthetic, produced on a petrochemical basis straight-chain alkyl radical, which have an analogous degradation behavior as the adequate compounds based on oleochemical raw materials.
- Ci2-Ci6-Alkylsul- fate and Ci2-Ci5-alkyl sulfates and Cw-Cis-alkyl sulfates are particularly preferred.
- sulfuric acid monoesters of the straight-chain or branched C7-C21-alcohols ethoxylated with 1 to 6 mol of ethylene oxide such as 2-methyl-branched C9-Cn-alcohols having on average 3.5 mol of ethylene oxide (EO) or C12-C18-fatty alcohols with 1 up to 4 EO.
- the preferred anionic surfactants also include the salts of alkylsulfosuccinic acid, which are also available as sulfosuccinates or as sulfosuccinates. Fibernsteinklareester, and the monoesters and / or diesters of sulfosuccinic acid with alcohols, preferably fatty alcohols and in particular ethoxylated fatty alcohols represent.
- Preferred sulfosuccinates contain Cs to Cis fatty alcohol residues or mixtures of these.
- Particularly preferred sulfosuccinates contain a fatty alcohol residue derived from ethoxylated fatty alcohols, which by themselves are nonionic surfactants.
- Sulfosuccinates whose fatty alcohol residues are derived from ethoxylated fatty alcohols with a narrow homolog distribution, are again particularly preferred.
- alk (en) ylsuccinic acid having preferably 8 to 18 carbon atoms in the alk (en) yl chain or salts thereof.
- Suitable further anionic surfactants are fatty acid derivatives of amino acids, for example N-methyltaurine (Tauride) and / or N-methylglycine (sarcosides).
- sarcosides or the sarcosinates and here especially sarcosinates of higher and optionally monounsaturated or polyunsaturated fatty acids such as oleyl sarcosinate.
- anionic surfactants are particularly soaps into consideration.
- Particularly suitable are saturated fatty acid soaps, such as the salts of lauric acid, myristic acid, palmitic acid, stearic acid, hydrogenated erucic acid and behenic acid and, in particular, soap mixtures derived from natural fatty acids, for example coconut, palm kernel or tallow fatty acids. Together with these soaps or as a substitute for soaps, it is also possible to use the known alkenylsuccinic acid salts.
- the anionic surfactants may be in the form of their sodium, potassium or ammonium salts and as soluble salts of organic bases, such as mono-, di- or triethanolamine.
- the anionic surfactants are preferably present in the form of their sodium or potassium salts, in particular in the form of the sodium salts.
- Surfactants are present in detergents in proportions of normally from 1% by weight to 50% by weight, in particular from 5% by weight to 30% by weight.
- a detergent preferably contains at least one water-soluble and / or water-insoluble, organic and / or inorganic builder.
- the water-soluble organic builder substances include polycarboxylic acids, in particular citric acid and sugar acids, monomeric and polymeric aminopolycarboxylic acids, in particular glycinediacetic acid, methylglycine diacetic acid, nitrilotriacetic acid, iminodisuccinates such as ethylenediamine-N, N'-disuccinic acid and hydroxyiminodisuccinates, ethylenediaminetetraacetic acid and polyaspartic acid, polyphosphonic acids, in particular aminotris (methylenephosphonic acid), ethylenediaminetetrakis (methylenephosphonic acid), lysintetra (methylenephosphonic acid) and 1-hydroxyethane-1, 1-diphosphonic acid, polymeric hydroxy compounds such as dextrin and polymeric (poly) carboxylic acids, in particular by the oxidation
- the relative average molecular weight of the homopolymers of unsaturated carboxylic acids is generally between 5,000 g / mol and 200,000 g / mol, those of the copolymers between 2,000 g / mol and 200 000 g / mol, preferably 50 000 g / mol to 120 000 g / mol, in each case based on the free acid.
- a particularly preferred acrylic acid-maleic acid copolymer has a relative average molecular weight of 50,000 to 100,000.
- Suitable, although less preferred compounds of this class are copolymers of acrylic acid or methacrylic acid with vinyl ethers, such as vinyl methyl ethers, vinyl esters, ethylene, propylene and styrene, in which the proportion of acid is at least 50 wt .-%.
- vinyl ethers such as vinyl methyl ethers, vinyl esters, ethylene, propylene and styrene
- the proportion of acid is at least 50 wt .-%.
- water-soluble organic builders it is also possible to use terpolymers which contain two unsaturated acids and / or salts thereof as monomers and vinyl alcohol and / or a vinyl alcohol derivative or a carbohydrate as the third monomer.
- the first acidic monomer or its salt is derived from a monoethylenically unsaturated C 3 -C 8 carboxylic acid and preferably from a C 3 -C 4 monocarboxylic acid, in particular from (meth) acrylic acid.
- the second acidic monomer or its salt may be a derivative of a C4-Cs-dicarboxylic acid, with maleic acid being particularly preferred.
- the third monomeric unit is formed in this case of vinyl alcohol and / or preferably an esterified vinyl alcohol.
- Preferred polymers contain from 60% by weight to 95% by weight, in particular from 70% by weight to 90% by weight, of (meth) acrylic acid or (meth) acrylate, particularly preferably acrylic acid or acrylate, and maleic acid or Maleinate and 5 wt .-% to 40 wt .-%, preferably 10 wt .-% to 30 wt .-% of vinyl alcohol and / or vinyl acetate.
- the weight ratio of (meth) acrylic acid or (meth) acrylate to maleic acid or maleate is between 1: 1 and 4: 1, preferably between 2: 1 and 3: 1 and in particular 2: 1 and 2 , 5: 1 lies.
- the second acidic monomer or its salt can also be a derivative of an allylsulfonic acid which is substituted in the 2-position by an alkyl radical, preferably by a C 1 -C 4 -alkyl radical, or by an aromatic radical which is preferably derived from benzene or benzene derivatives is.
- Preferred terpolymers contain from 40% by weight to 60% by weight, in particular from 45 to 55% by weight, of (meth) acrylic acid or (meth) acrylate, particularly preferably acrylic acid or acrylate, from 10% by weight to 30% by weight.
- % preferably 15 wt .-% to 25 wt .-% methallylsulfonic acid or Methallylsulfonat and as the third monomer 15 wt .-% to 40 wt .-%, preferably 20 wt .-% to 40 wt .-% of a carbohydrate.
- This carbohydrate may be, for example, a mono-, di-, oligo- or polysaccharide, mono-, di- or oligosaccharides being preferred. Particularly preferred is sucrose.
- the use of the third monomer presumably incorporates predetermined breaking points into the polymer which are responsible for the good biodegradability of the polymer.
- terpolymers generally have a relative average molecular weight between 1,000 g / mol and 200,000 g / mol, preferably between 200 g / mol and 50,000 g / mol.
- Further preferred copolymers are those which have as monomers acrolein and acrylic acid / acrylic acid salts or vinyl acetate.
- the organic builders may, in particular for the preparation of liquid agents, in the form of aqueous solutions, preferably in the form of 30 to 50 weight percent aqueous solutions are used. All of the acids mentioned are generally used in the form of their water-soluble salts, in particular their alkali metal salts.
- organic builder substances may be present in amounts of up to 40% by weight, in particular up to 25% by weight and preferably from 1% by weight to 8% by weight. Quantities close to the stated upper limit are preferably used in pasty or liquid, in particular hydrous, agents.
- Suitable water-soluble inorganic builder materials are, in particular, polyphosphates, preferably sodium triphosphate.
- water-insoluble inorganic builder materials are in particular crystalline or amorphous, water-dispersible alkali metal aluminosilicates, in amounts not exceeding 25 wt .-%, preferably from 3 wt .-% to 20 wt .-% and in particular in amounts of 5 wt .-% to 15 wt. -% used.
- preference is given to the detergent-grade crystalline sodium aluminosilicates in particular zeolite A, zeolite P and zeolite MAP and optionally zeolite X.
- Amounts near the above upper limit are preferably used in solid, particulate agents.
- suitable aluminosilicates have no particles with a particle size greater than 30 ⁇ m, and preferably consist of at least 80% by weight of particles having a size of less than 10 ⁇ m.
- Their calcium binding inhibitor is usually in the range of 100 to 200 mg CaO per gram.
- water-soluble inorganic builder materials may be included.
- polyphosphates such as sodium triphosphate
- these include in particular the water-soluble crystalline and / or amorphous alkali metal silicate builders.
- Such water-soluble inorganic builder materials are preferably present in the compositions in amounts of from 1% to 20% by weight, in particular from 5% to 15% by weight.
- the alkali metal silicates useful as builder materials preferably have a molar ratio of alkali oxide to SiO 2 below 0.95, in particular from 1: 1, 1 to 1: 12, and may be amorphous or crystalline.
- Preferred alkali metal silicates are the sodium silicates, in particular the amorphous sodium silicates, with a molar ratio of Na 2 O: SiO 2 of from 1: 2 to 1: 2.8.
- Crystalline silicates which may be present alone or in a mixture with amorphous silicates are preferably crystalline phyllosilicates of the general formula Na.sub.2SixO.sub.2.sup.x + H.sub.2O.sub.2, in which x, the so-called modulus, is a number from 1.9 to 4 and y is a number from 0 is up to 20 and preferred values for x are 2, 3 or 4.
- Preferred crystalline phyllosilicates are those in which x in the abovementioned general formula assumes the values 2 or 3.
- both .beta. And .delta.-sodium disilicates (Na.sub.2Si.sub.20.sub.y H.sub.2O) are preferred.
- Also prepared from amorphous alkali metal silicates practically anhydrous crystalline alkali silicates of the above general formula in which x is a number from 1, 9 to 2.1, can be used in the compositions.
- a crystalline sodium layer silicate with a modulus of 2 to 3 is used, as can be prepared from sand and soda.
- Sodium- Silicates with a modulus in the range of 1.9 to 3.5 are used in a further embodiment.
- a granular compound of alkali silicate and alkali carbonate is used, as it is commercially available, for example, under the name Nabion® 15.
- peroxygen-based bleaching agents may be present.
- Suitable peroxygen compounds are, in particular, organic peracids or pers acid salts of organic acids, such as phthalimidopercaproic acid, perbenzoic acid, monoperoxyphthalic acid, and diperdodecanedioic acid and salts thereof, such as magnesium monoperoxyphthalate, hydrogen peroxide and inorganic salts which release hydrogen peroxide under the conditions of use, such as alkali metal perborate, alkali metal percarbonate and / or alkali metal per silicate , and hydrogen peroxide inclusion compounds, such as hhC ⁇ urea adducts.
- Hydrogen peroxide can also be produced by means of an enzymatic system, ie an oxidase and its substrate. If solid peroxygen compounds are to be used, they can be used in the form of powders or granules, which can also be enveloped in a manner known in principle. Particular preference is given to using alkali metal percarbonate, alkali metal perborate monohydrate or hydrogen peroxide in the form of aqueous solutions which contain from 3% by weight to 10% by weight of hydrogen peroxide.
- a detergent which can be used in the context of the invention contains peroxygen compounds, these are present in amounts of preferably up to 50% by weight, in particular from 2% by weight to 45% by weight and more preferably from 5% by weight to 20% Wt .-% present.
- Preferred peroxygen concentrations (calculated as H2O2) in the liquor, in particular for UV radiation sources, as activating agents are in the range from 0.001 g / l to 10 g / l, in particular from 0.02 g / l to 1 g / l and particularly preferably from 0, 03 g / l to 0.5 g / l.
- a bleaching amplifying in contrast to the organic bleach booster but under Perhydolyse puzzle peroxocarboxylic acid-Jeiefernde compounds, in particular compounds under perhydrolysis conditions optionally substituted perbenzoic acid and / or aliphatic peroxycarboxylic acids with 1 to 12 C atoms, in particular 2 to 4 C atoms, are used alone or in mixtures.
- Suitable bleach activators which carry O- and / or N-acyl groups, in particular of the stated C atom number and / or optionally substituted benzoyl groups.
- polyacylated alkylenediamines in particular tetraacetylethylenediamine (TAED), acylated glycolurils, in particular tetraacetylglycoluril (TAGU), acylated triazine derivatives, in particular 1,5-diacetyl-2,4-dioxohexahydro-1,3,5-triazine (DADHT), N- Acylimides, especially N-nonanoylsuccinimide (NOSI), acylated phenolsulfonates or carboxylates or the sulfonic or carboxylic acids of these, especially nonanoyl or Isononanoyl- or Lauroyloxybenzolsulfonat (NOBS or iso-NOBS or LOBS) or Decanoyloxybenzoat (DOBA), the formal Carbonic acid ester derivatives such as 4- (2-decanoyloxyethoxycarbonyloxy) benz
- bleach-activating compounds such as nitriles, from which perimide acids form under perhydrolysis conditions may be present.
- nitriles include in particular aminoacetonitrile derivatives with quaternized nitrogen atom according to the formula
- R 3 in the R represents -H, -CH 3 , a C2-24-alkyl or alkenyl radical, a substituted Ci-24-alkyl or C2-24-alkenyl radical having at least one substituent from the group -Cl, -Br , -OH, -NH2, -CN and -N (+) -CH2-CN, an alkyl or alkenylaryl radical having a Ci-24-alkyl group, or for a substituted alkyl or alkenylaryl radical having at least one, preferably two, optionally substituted Ci-24-alkyl group (s) and optionally further substituents on the aromatic ring, R 2 and R 3 are independently selected from -CH 2-CN, -CH 3, -CH 2 -CH 3, -CH 2 -CH 2 -CH 3, -CH ( CH 3) -CH 3, -CH 2 -OH, -CH 2 -CH 2 OH, -CH (OH) -CH3, -CH2-CH2-
- peroxycarboxylic or perimic acids forming bleach activators are preferably present in amounts above 0 wt .-% up to 10 wt .-%, in particular 1, 5 wt .-% to 5 wt .-% in the invention usable detergents.
- transition metal complexes are preferably selected from the cobalt, iron, copper, titanium, vanadium, manganese and ruthenium complexes.
- ligands in such transition metal complexes so-called probably inorganic and organic compounds in question, in addition to carboxylates in particular compounds having primary, secondary and / or tertiary amine and / or alcohol functions, such as pyridine, pyridazine, pyrimidine, pyrazine, imidazole, pyrazole, triazole, 2,2 ' Bispyridylamine, tris- (2-pyridylmethyl) amine, 1, 4,7-triazacyclononane, 1, 4,7-trimethyl-1, 4,7-triazacyclononane, 1, 5,9-trimethyl-1,5 , 9-triazacyclododecane, (bis ((1-methylimidazol-2-yl) methyl)) - (2-pyri
- the inorganic neutral ligands include in particular ammonia and water. If not all coordination sites of the transition metal central atom are occupied by neutral ligands, the complex contains further, preferably anionic and among these in particular mono- or bidentate ligands. These include in particular the halides such as fluoride, chloride, bromide and iodide, and the (NO 2) " group, ie a nitro ligand or a nitrito ligand The (NO 2) " group can also be chelated to a transition metal or it may have two transition metal atoms asymmetrically or r
- the transition metal complexes may carry further, generally simpler ligands, in particular mono- or polyvalent anion ligands.
- anion ligands for example, nitrate, acetate, trifluoroacetate, formate, carbonate, citrate, oxalate, perchlorate and complex anions such as hexafluorophosphate.
- the anion ligands should provide charge balance between the transition metal central atom and the ligand system.
- the presence of oxo ligands, peroxo ligands and imino ligands is also possible. In particular, such ligands can also act bridging, so that polynuclear complexes arise.
- both metal atoms in the complex need not be the same. It is also possible to use binuclear complexes in which the two transition-metal central atoms have different oxidation numbers. If anion ligands are missing or the presence of anionic ligands does not result in charge balance in the complex, anionic counterions which neutralize the cationic transition metal complex are present in the transition metal complex compounds to be used according to the invention.
- anionic counterions include in particular nitrate, hydroxide, hexafluorophosphate, sulfate, chlorate, perchlorate, the halides such as chloride or the anions of carboxylic acids such as formate, acetate, oxalate, benzoate or citrate.
- transition metal complex compounds are ⁇ ( ⁇ ) 2 ( ⁇ -O) 3 (1, 4,7-trimethyl-1, 4,7-triazacyclononane) di-hexafluorophosphate, [N, N'-bis [(2 -hydroxy-5-vinylphenyl) -methylene] -1,2-diaminocyclohexane] -manganese (III) chloride, [ ⁇ , ⁇ '-bis [(2-hydroxy-5-nitrophenyl) methylene] -1, 2 diaminocyclohexane] manganese (III) acetate, [N, N'-bis [(2-hydroxyphenyl) methylene] -1, 2-phenylenediamine] manganese (III) acetate, [N, N'- Bis [(2-hydroxyphenyl) methylene] -1,2-diaminocyclohexane] manganese (III) chloride, [N, N'-bis [(2-hydroxyphenyl)
- Suitable enzymes which can be used in the compositions are those from the class of amylases, proteases, lipases, cutinases, pullulanases, hemicellulases, cellulases, oxidases, laccases and peroxidases and mixtures thereof.
- Particularly suitable are enzymatic agents obtained from fungi or bacteria, such as Bacillus subtilis, Bacillus licheniformis, Bacillus lentus, Streptomyces griseus, Humicola lanuginosa, Humicola insolens, Pseudomonas pseudoalcaligenes, Pseudomonas cepacia or Coprinus cinereus.
- the enzymes may be adsorbed to carriers and / or embedded in encapsulants to protect against premature inactivation. They are preferably present in the detergents or cleaners according to the invention in amounts of up to 5% by weight, in particular from 0.2% by weight to 4% by weight. If the agent of the invention contains protease, it preferably has a proteolytic activity in the range of about 100 PE / g to about 10,000 PE / g, in particular 300 PE / g to 8000 PE / g. If several enzymes are to be used in the agent according to the invention, this can be carried out by incorporation of the two or more separate or in a known manner separately prepared enzymes or by two or more enzymes formulated together in a granule.
- usable organic solvents in addition to water include alcohols having 1 to 4 carbon atoms, in particular methanol, ethanol, isopropanol and tert-butanol, diols having 2 to 4 C Atoms, in particular ethylene glycol and propylene glycol, and mixtures thereof and derived from the said classes of compounds ethers.
- Such water-miscible solvents are preferably present in the compositions according to the invention in amounts of not more than 30% by weight, in particular from 6% by weight to 20% by weight.
- compositions of the invention system and environmentally friendly acids especially citric acid, acetic acid, tartaric acid, malic acid, lactic acid, glycolic acid, succinic acid, glutaric acid and / or Adipic acid, but also mineral acids, in particular sulfuric acid, or bases, in particular ammonium or alkali hydroxides.
- pH regulators are present in the compositions according to the invention in amounts of preferably not more than 20% by weight, in particular from 1.2% by weight to 17% by weight.
- Graying inhibitors have the task of keeping suspended from the textile fiber dirt suspended in the fleet.
- water-soluble colloids are usually suitable organic nature, such as starch, glue, gelatin, salts of ether carboxylic acids or ether sulfonic acids Starch or cellulose or salts of acidic sulfuric esters of cellulose or starch.
- water-soluble polyamides containing acidic groups are suitable for this purpose.
- starch derivatives can be used, for example aldehyde starches.
- cellulose ethers such as carboxymethylcellulose (sodium salt), methylcellulose, hydroxyalkylcellulose and mixed ethers, such as methylhydroxyethylcellulose, methylhydroxypropylcellulose, methylcarboxymethylcellulose and mixtures thereof, for example in amounts of from 0.1 to 5% by weight, based on the compositions used.
- the agents may contain a customary color transfer inhibitor, preferably then in amounts of up to 2% by weight, in particular 0.1% to 1% by weight, which in a preferred embodiment is selected from vinylpyrrolidone polymers , Vinylimidazole, vinylpyridine-N-oxide or the copolymers of these.
- enzymatic systems comprising a peroxidase and hydrogen peroxide or a substance which delivers hydrogen peroxide in water.
- a mediator compound for the peroxidase for example an acetosyringone, a phenol derivative or a phenotiazine or phenoxazine, is preferred in this case, it also being possible to additionally use the abovementioned polymeric dye transfer inhibiting agents.
- Polyvinylpyrrolidone preferably has an average molecular weight in the range from 10,000 g / mol to 60,000 g / mol, in particular in the range from 25,000 g / mol to 50,000 g / mol.
- the copolymers preference is given to those of vinylpyrrolidone and vinylimidazole in a molar ratio of 5: 1 to 1: 1 with an average molar mass in the range from 5,000 g / mol to 50,000 g / mol, in particular 10,000 g / mol to 20,000 g / mol ,
- the detergents are free of such additional color transfer inhibitors.
- Detergents may contain, for example, derivatives of diaminostilbenedisulfonic acid or their alkali metal salts as optical brighteners, although they are preferably free of optical brighteners for use as color washing agents.
- optical brighteners for use as color washing agents.
- salts of 4,4'-bis (2-anilino-4-morpholino-1, 3,5-triazinyl-6-amino) stilbene-2,2'-disulphonic acid or similarly constructed compounds which are substituted for the morpholino Group carry a diethanolamino group, a methylamino group, an anilino group or a 2-methoxyethylamino group.
- brighteners of the substituted diphenylstyrene type may be present, for example, the alkali salts of 4,4'-bis (2-sulfostyryl) -diphenyl, 4,4'-bis (4-chloro-3-sulfostyryl) -diphenyl, or 4 - (4- Chlorostyryl) -4 '- (2-sulfostyryl). Mixtures of the aforementioned optical brightener can be used.
- Suitable foam inhibitors are, for example, soaps of natural or synthetic origin, which have a high proportion of cis-C24 fatty acids.
- Suitable non-surfactant foam inhibitors are, for example, organopolysiloxanes and mixtures thereof with microfine, optionally silanized silica and paraffins, waxes, microcrystalline waxes and mixtures thereof with silanated silicic acid or bis-fatty acid alkylenediamides. It is also advantageous to use mixtures of various foam inhibitors, for example those of silicones, paraffins or waxes.
- the foam inhibitors in particular silicone and / or paraffin-containing foam inhibitors, are bound to a granular, water-soluble or dispersible carrier substance.
- a granular, water-soluble or dispersible carrier substance In particular, mixtures of paraffins and bistearylethylenediamide are preferred.
- compositions having an increased bulk density in particular in the range from 650 g / l to 950 g / l, a process comprising an extrusion step is preferred.
- compositions in tablet form which may be monophasic or multiphase, monochromatic or multicolor and in particular consist of one or more layers, in particular two layers
- the procedure is preferably such that all components - optionally one layer at a time - in a mixer mixed together and the mixture by means of conventional tablet presses, such as eccentric presses or rotary presses, with pressing forces in the range of about 50 to 100 kN, preferably compressed at 60 to 70 kN.
- a tablet produced in this way has a weight of 10 g to 50 g, in particular 15 g up to 40 g.
- the spatial form of the tablets is arbitrary and can be round, oval or angular, with intermediate forms are also possible. Corners and edges are advantageously rounded. Round tablets preferably have a diameter of 30 mm to 40 mm.
- the size of rectangular or cuboid-shaped tablets, which are introduced predominantly via the metering device of the washing machine, is dependent on the geometry and the volume of this metering device.
- exemplary preferred embodiments have a footprint of (20 to 30 mm) x (34 to 40 mm), in particular of 26x36 mm or 24x38 mm.
- Liquid or pasty compositions in the form of conventional solvent-containing solutions are usually prepared by simply mixing the ingredients, which can be added in bulk or as a solution in an automatic mixer.
- the internal salt of the sulfuric acid mono- [1- (2'-ethylhexyloxy-methyl) -2- (3,4-dihydroisoquinoline-2 "-yl) -ethyl] -ester was as in Example 4 of WO 03/104199 A2
- An aqueous solution containing 16 ppm of the dye Acid Blue 1 13 was admixed with the dihydroisoquinolinium compound mentioned so that its concentration was 50 mg / l, and at 23 ° C.
- Example 1 was repeated, but now using no electrolysis device, but the aqueous solutions, which had been previously with H2O2 (to a concentration of 10 mmol / l), for 10 minutes the radiation of a UV lamp (supplier Fa. Benda , Wiesloch, type NU-15 KL, 220 volts, 15 watts, 1 ampere; wavelength set to 254 nm).
- a UV lamp supplier Fa. Benda , Wiesloch, type NU-15 KL, 220 volts, 15 watts, 1 ampere; wavelength set to 254 nm.
- the degradation of the dye 21 was 4% higher than in the solution free from the compound.
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Inorganic Chemistry (AREA)
- Electrochemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Detergent Compositions (AREA)
- Health & Medical Sciences (AREA)
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Abstract
Description
Claims
Priority Applications (3)
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KR1020177012219A KR20170059481A (ko) | 2014-10-10 | 2015-09-30 | 활성화 유닛을 갖는 세탁기에서 텍스타일을 세척하는 방법 |
US15/516,980 US20170298305A1 (en) | 2014-10-10 | 2015-09-30 | Method of washing textiles in a washing machine with activating unit |
EP15771951.9A EP3204480A1 (de) | 2014-10-10 | 2015-09-30 | Verfahren zum waschen von textilien in einer waschmaschine mit aktivierungseinrichtung |
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DE102014220622.7A DE102014220622A1 (de) | 2014-10-10 | 2014-10-10 | Verfahren zum Waschen von Textilien in einer Waschmaschine mit Aktivierungseinrichtung |
DE102014220622.7 | 2014-10-10 |
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WO2016055321A1 true WO2016055321A1 (de) | 2016-04-14 |
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US (1) | US20170298305A1 (de) |
EP (1) | EP3204480A1 (de) |
KR (1) | KR20170059481A (de) |
DE (1) | DE102014220622A1 (de) |
WO (1) | WO2016055321A1 (de) |
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Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3269539A (en) * | 1964-02-19 | 1966-08-30 | Gen Motors Corp | Apparatus and method for conditioning dry cleaning solvent |
US3927967A (en) * | 1972-06-02 | 1975-12-23 | Procter & Gamble | Photoactivated bleaching process and composition |
EP1925589A1 (de) * | 2006-11-03 | 2008-05-28 | Koninklijke Philips Electronics N.V. | Erzeuger von reaktiven Sauerstoffspezies, Waschvorrichtung und Reinigungsverfahren |
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US7169744B2 (en) | 2002-06-06 | 2007-01-30 | Procter & Gamble Company | Organic catalyst with enhanced solubility |
US20050113246A1 (en) | 2003-11-06 | 2005-05-26 | The Procter & Gamble Company | Process of producing an organic catalyst |
MX2007016309A (es) | 2005-06-17 | 2008-03-07 | Procter & Gamble | Catalizador organico con compatibilidad enzimatica mejorada. |
CH705830B1 (de) | 2007-11-30 | 2013-06-14 | Aonsys Technologies Ltd | Verfahren und Geschirrspüler zum Reinigen von Geschirr mit elektrolysiertem Wasser mittels oxidativen Radikalen, erzeugt durch Diamant-Elektroden. |
-
2014
- 2014-10-10 DE DE102014220622.7A patent/DE102014220622A1/de not_active Withdrawn
-
2015
- 2015-09-30 US US15/516,980 patent/US20170298305A1/en not_active Abandoned
- 2015-09-30 KR KR1020177012219A patent/KR20170059481A/ko unknown
- 2015-09-30 WO PCT/EP2015/072513 patent/WO2016055321A1/de active Application Filing
- 2015-09-30 EP EP15771951.9A patent/EP3204480A1/de not_active Withdrawn
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3269539A (en) * | 1964-02-19 | 1966-08-30 | Gen Motors Corp | Apparatus and method for conditioning dry cleaning solvent |
US3927967A (en) * | 1972-06-02 | 1975-12-23 | Procter & Gamble | Photoactivated bleaching process and composition |
EP1925589A1 (de) * | 2006-11-03 | 2008-05-28 | Koninklijke Philips Electronics N.V. | Erzeuger von reaktiven Sauerstoffspezies, Waschvorrichtung und Reinigungsverfahren |
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DE102014220622A1 (de) | 2016-04-14 |
US20170298305A1 (en) | 2017-10-19 |
EP3204480A1 (de) | 2017-08-16 |
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