EP0793708A1 - Wasch- oder reinigungsmittel mit wasserlöslichen buildersubstanzen - Google Patents
Wasch- oder reinigungsmittel mit wasserlöslichen buildersubstanzenInfo
- Publication number
- EP0793708A1 EP0793708A1 EP95941007A EP95941007A EP0793708A1 EP 0793708 A1 EP0793708 A1 EP 0793708A1 EP 95941007 A EP95941007 A EP 95941007A EP 95941007 A EP95941007 A EP 95941007A EP 0793708 A1 EP0793708 A1 EP 0793708A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- weight
- carbonate
- washing
- silicate
- zeolite
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000005406 washing Methods 0.000 title claims abstract description 47
- 239000012459 cleaning agent Substances 0.000 title claims abstract description 46
- 239000010457 zeolite Substances 0.000 claims abstract description 56
- 229910021536 Zeolite Inorganic materials 0.000 claims abstract description 54
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims abstract description 54
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims abstract description 53
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 38
- 229910000029 sodium carbonate Inorganic materials 0.000 claims abstract description 26
- 239000000126 substance Substances 0.000 claims abstract description 23
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 claims abstract description 20
- 239000004115 Sodium Silicate Substances 0.000 claims abstract description 20
- 238000000034 method Methods 0.000 claims abstract description 20
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims abstract description 18
- 229910052911 sodium silicate Inorganic materials 0.000 claims abstract description 18
- 239000002736 nonionic surfactant Substances 0.000 claims abstract description 16
- 238000004519 manufacturing process Methods 0.000 claims abstract description 10
- 125000000129 anionic group Chemical group 0.000 claims abstract description 6
- 239000008187 granular material Substances 0.000 claims description 39
- -1 carbonate-silicate compound Chemical class 0.000 claims description 35
- 239000013543 active substance Substances 0.000 claims description 25
- 239000003599 detergent Substances 0.000 claims description 24
- 150000003839 salts Chemical class 0.000 claims description 22
- 239000002253 acid Substances 0.000 claims description 20
- 239000003945 anionic surfactant Substances 0.000 claims description 17
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims description 15
- 230000008569 process Effects 0.000 claims description 14
- 150000001875 compounds Chemical class 0.000 claims description 13
- 239000004094 surface-active agent Substances 0.000 claims description 12
- 150000007513 acids Chemical class 0.000 claims description 11
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- 229920005646 polycarboxylate Polymers 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims description 5
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 4
- 238000012545 processing Methods 0.000 claims description 4
- 238000007493 shaping process Methods 0.000 claims description 4
- 238000001694 spray drying Methods 0.000 claims description 4
- 238000005520 cutting process Methods 0.000 claims description 3
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- 230000003179 granulation Effects 0.000 claims description 3
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- 229920003023 plastic Polymers 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- XRAOIGDZVAEEED-UHFFFAOYSA-N carbonic acid;silicic acid Chemical group OC(O)=O.O[Si](O)(O)O XRAOIGDZVAEEED-UHFFFAOYSA-N 0.000 claims description 2
- 238000001125 extrusion Methods 0.000 abstract description 8
- 150000004760 silicates Chemical class 0.000 abstract description 6
- 239000000463 material Substances 0.000 abstract 1
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- 150000002191 fatty alcohols Chemical class 0.000 description 21
- 102000004190 Enzymes Human genes 0.000 description 19
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- 150000008051 alkyl sulfates Chemical class 0.000 description 16
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 15
- 108091005804 Peptidases Proteins 0.000 description 12
- 239000004365 Protease Substances 0.000 description 12
- 239000007844 bleaching agent Substances 0.000 description 12
- 239000004744 fabric Substances 0.000 description 12
- 150000004665 fatty acids Chemical class 0.000 description 12
- 239000003112 inhibitor Substances 0.000 description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- 125000004432 carbon atom Chemical group C* 0.000 description 10
- 239000006260 foam Substances 0.000 description 10
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- 229920002472 Starch Polymers 0.000 description 8
- 150000001298 alcohols Chemical class 0.000 description 8
- 235000019698 starch Nutrition 0.000 description 8
- 239000003760 tallow Substances 0.000 description 8
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 7
- 239000004367 Lipase Substances 0.000 description 7
- 102000004882 Lipase Human genes 0.000 description 7
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- 239000012190 activator Substances 0.000 description 7
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- 235000019421 lipase Nutrition 0.000 description 7
- 239000000377 silicon dioxide Substances 0.000 description 7
- 159000000000 sodium salts Chemical class 0.000 description 7
- 239000008107 starch Substances 0.000 description 7
- ULUAUXLGCMPNKK-UHFFFAOYSA-N Sulfobutanedioic acid Chemical class OC(=O)CC(C(O)=O)S(O)(=O)=O ULUAUXLGCMPNKK-UHFFFAOYSA-N 0.000 description 6
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 6
- 239000000470 constituent Substances 0.000 description 6
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- 239000011734 sodium Substances 0.000 description 6
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- 229910052708 sodium Inorganic materials 0.000 description 5
- 235000000346 sugar Nutrition 0.000 description 5
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 5
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- 108010059892 Cellulase Proteins 0.000 description 4
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical group C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 4
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 4
- BGRWYDHXPHLNKA-UHFFFAOYSA-N Tetraacetylethylenediamine Chemical compound CC(=O)N(C(C)=O)CCN(C(C)=O)C(C)=O BGRWYDHXPHLNKA-UHFFFAOYSA-N 0.000 description 4
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 4
- 229940106157 cellulase Drugs 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 238000009826 distribution Methods 0.000 description 4
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 4
- 239000011976 maleic acid Substances 0.000 description 4
- 239000003921 oil Substances 0.000 description 4
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- 239000002245 particle Substances 0.000 description 4
- 229920001296 polysiloxane Polymers 0.000 description 4
- 235000019419 proteases Nutrition 0.000 description 4
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 4
- 239000004382 Amylase Substances 0.000 description 3
- 102000013142 Amylases Human genes 0.000 description 3
- 108010065511 Amylases Proteins 0.000 description 3
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- 235000013162 Cocos nucifera Nutrition 0.000 description 3
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 3
- 229910019142 PO4 Inorganic materials 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 3
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 description 3
- 235000019418 amylase Nutrition 0.000 description 3
- 235000010290 biphenyl Nutrition 0.000 description 3
- 239000004305 biphenyl Substances 0.000 description 3
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- 230000002366 lipolytic effect Effects 0.000 description 3
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- ZUOUZKKEUPVFJK-UHFFFAOYSA-N phenylbenzene Natural products C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 3
- 235000021317 phosphate Nutrition 0.000 description 3
- 229920001223 polyethylene glycol Polymers 0.000 description 3
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- XDVOLDOITVSJGL-UHFFFAOYSA-N 3,7-dihydroxy-2,4,6,8,9-pentaoxa-1,3,5,7-tetraborabicyclo[3.3.1]nonane Chemical compound O1B(O)OB2OB(O)OB1O2 XDVOLDOITVSJGL-UHFFFAOYSA-N 0.000 description 2
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- FEWJPZIEWOKRBE-JCYAYHJZSA-N Dextrotartaric acid Chemical compound OC(=O)[C@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-JCYAYHJZSA-N 0.000 description 2
- IMROMDMJAWUWLK-UHFFFAOYSA-N Ethenol Chemical class OC=C IMROMDMJAWUWLK-UHFFFAOYSA-N 0.000 description 2
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- MGFYIUFZLHCRTH-UHFFFAOYSA-N nitrilotriacetic acid Chemical compound OC(=O)CN(CC(O)=O)CC(O)=O MGFYIUFZLHCRTH-UHFFFAOYSA-N 0.000 description 1
- SXLLDUPXUVRMEE-UHFFFAOYSA-N nonanediperoxoic acid Chemical compound OOC(=O)CCCCCCCC(=O)OO SXLLDUPXUVRMEE-UHFFFAOYSA-N 0.000 description 1
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- 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
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- 239000002304 perfume Substances 0.000 description 1
- 150000004965 peroxy acids Chemical class 0.000 description 1
- 125000000864 peroxy group Chemical group O(O*)* 0.000 description 1
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- UEZVMMHDMIWARA-UHFFFAOYSA-M phosphonate Chemical compound [O-]P(=O)=O UEZVMMHDMIWARA-UHFFFAOYSA-M 0.000 description 1
- 229910052615 phyllosilicate Inorganic materials 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 239000004584 polyacrylic acid Substances 0.000 description 1
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- 229920000728 polyester Polymers 0.000 description 1
- 229920005862 polyol Polymers 0.000 description 1
- 150000003077 polyols Chemical class 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 159000000001 potassium salts Chemical class 0.000 description 1
- WSHYKIAQCMIPTB-UHFFFAOYSA-M potassium;2-oxo-3-(3-oxo-1-phenylbutyl)chromen-4-olate Chemical compound [K+].[O-]C=1C2=CC=CC=C2OC(=O)C=1C(CC(=O)C)C1=CC=CC=C1 WSHYKIAQCMIPTB-UHFFFAOYSA-M 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 235000020095 red wine Nutrition 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
- 238000006268 reductive amination reaction Methods 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000009490 roller compaction Methods 0.000 description 1
- 150000004671 saturated fatty acids Chemical class 0.000 description 1
- 150000003333 secondary alcohols Chemical class 0.000 description 1
- NLJMYIDDQXHKNR-UHFFFAOYSA-K sodium citrate Chemical compound O.O.[Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O NLJMYIDDQXHKNR-UHFFFAOYSA-K 0.000 description 1
- 229960000999 sodium citrate dihydrate Drugs 0.000 description 1
- HLBBKKJFGFRGMU-UHFFFAOYSA-M sodium formate Chemical compound [Na+].[O-]C=O HLBBKKJFGFRGMU-UHFFFAOYSA-M 0.000 description 1
- 235000019254 sodium formate Nutrition 0.000 description 1
- 239000012418 sodium perborate tetrahydrate Substances 0.000 description 1
- 229940045872 sodium percarbonate Drugs 0.000 description 1
- 239000004328 sodium tetraborate Substances 0.000 description 1
- 235000010339 sodium tetraborate Nutrition 0.000 description 1
- IBDSNZLUHYKHQP-UHFFFAOYSA-N sodium;3-oxidodioxaborirane;tetrahydrate Chemical compound O.O.O.O.[Na+].[O-]B1OO1 IBDSNZLUHYKHQP-UHFFFAOYSA-N 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000004071 soot Substances 0.000 description 1
- 239000000600 sorbitol Substances 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
- 229940012831 stearyl alcohol Drugs 0.000 description 1
- 150000008163 sugars Chemical class 0.000 description 1
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 1
- KUCOHFSKRZZVRO-UHFFFAOYSA-N terephthalaldehyde Chemical compound O=CC1=CC=C(C=O)C=C1 KUCOHFSKRZZVRO-UHFFFAOYSA-N 0.000 description 1
- 229920001897 terpolymer Polymers 0.000 description 1
- TUNFSRHWOTWDNC-HKGQFRNVSA-N tetradecanoic acid Chemical class CCCCCCCCCCCCC[14C](O)=O TUNFSRHWOTWDNC-HKGQFRNVSA-N 0.000 description 1
- 238000005809 transesterification reaction Methods 0.000 description 1
- 150000003626 triacylglycerols Chemical class 0.000 description 1
- 150000005691 triesters Chemical class 0.000 description 1
- 239000002888 zwitterionic surfactant Substances 0.000 description 1
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
- C11D3/02—Inorganic compounds ; Elemental compounds
- C11D3/04—Water-soluble compounds
- C11D3/10—Carbonates ; Bicarbonates
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/66—Non-ionic compounds
- C11D1/83—Mixtures of non-ionic with anionic 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
- C11D17/00—Detergent materials or soaps characterised by their shape or physical properties
- C11D17/06—Powder; Flakes; Free-flowing mixtures; Sheets
- C11D17/065—High-density particulate detergent compositions
-
- 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
- C11D3/02—Inorganic compounds ; Elemental compounds
- C11D3/04—Water-soluble compounds
- C11D3/08—Silicates
Definitions
- the invention relates to detergents or cleaning agents which contain water-soluble inorganic builder substances, and to a process for the production of extruded detergents or cleaning agents which contain water-soluble inorganic builder substances.
- Modern, compacted detergents or cleaning agents generally have the disadvantage that, owing to their compact structure, they show poorer dissolving behavior in aqueous liquors than, for example, lighter, spray-dried detergents or cleaning agents of the prior art.
- Detergents or cleaning agents generally tend to have a lower dissolving rate in water, the higher their degree of compaction.
- Zeolites which are usually contained in washing or cleaning agents as builder substances, also contribute to the deterioration in dissolving behavior due to their water insolubility.
- the premix to be extruded must contain both constituents which have an intrinsically viscous behavior and constituents which have dilatant properties. If there were only structurally viscous constituents in the premix, it would soften due to the strong shear gradient, in fact become almost fluid, so that the strand would no longer be able to be cut after it emerged from the hole shape. Components with a dilatant action are therefore also used, which have increasing plasticity with increasing shear rate and thereby the cutting ability of the extruded strand to ensure. Most of the ingredients in detergents or cleaning agents show structurally viscous behavior. Dilated behavior tends to be the exception.
- zeolite is water-insoluble and therefore contributes to the fact that the rate of dissolution of extruded washing or cleaning agents in water is lower than that of conventional, lighter agents of the prior art.
- Extruded washing or cleaning agents are known from international patent application W0-A-94/09111, which contain 19% by weight of zeolite (based on anhydrous active substance), 12.5% by weight of sodium carbonate and 2.2% by weight contain amorphous sodium silicate;
- zeolite can be partially or even completely replaced by water-soluble inorganic builder substances if these are added in a certain form.
- the object of the invention was to provide washing or cleaning agents with bulk densities above 600 g / l, which contain water-soluble builder substances to the extent that zeolite can be partially or completely dispensed with from an application point of view.
- Another object was also to provide extruded detergents or cleaning agents with bulk densities above 600 g / l and a process for their production which contain the water-soluble builder substances to the extent that zeolite is used not only for technical reasons, but also for applications can also be partially or completely omitted from a procedural point of view.
- the invention relates in a first embodiment to a washing or cleaning agent, in particular an extruded washing or cleaning agent with a bulk density above 600 g / l, which contains anionic and optionally nonionic surfactants and, as water-soluble inorganic builder substances, sodium carbonate and amorphous sodium silicate, the content of zeolite (based on anhydrous active substance) is less than 19% by weight and the content of the sum of sodium carbonate and amorphous sodium silicate (in each case based on anhydrous active substance) is 10 to 40% by weight, with the Stipulations that the weight ratio of sodium carbonate to amorphous sodium silicate is in the range from 5: 1 to 1:10 and the sodium carbonate used has at least partially been in the form of granules.
- the carbonate-containing granules additionally contain amorphous silicate, in particular sodium silicate, with a molar ratio a2 ⁇ : Si ⁇ 2 of 1: 1 to 1: 4.5.
- amorphous silicate in particular sodium silicate
- Particularly preferred sodium silicates are those with a molar weight ratio Na2 ⁇ : Si ⁇ 2 of 1: 2 to 1: 3.5, disilicate and silicates with a molar ratio Na2 ⁇ : Si ⁇ 2 to 1: 2.8 being particularly advantageous.
- Such carbonate and silicate-containing granules can be produced by conventional methods such as spray drying, granulation and compacting, for example roller compacting.
- Carbonate and silicate-containing granules which can be used according to the invention are commercially available, for example, under the names Nabion l ⁇ ( R ) (commercial product from Rhönen-Poulenc), Gransil (R) (commercial product from Colin Stewart) or Dizzil ( R ) G (commercial product from Akzo & Nobel) available.
- Carbonate-silicate granules of this type are preferred which have a carbonate to silicate weight ratio of 3: 1 to 1: 9 and in particular 2.5: 1 to 1: 5.
- the synthetic zeolite used is preferably finely crystalline and contains bound water. Suitable are, for example, zeolite A, but also zeolite X and zeolite P and mixtures of A, X and / or P.
- the zeolite can be used as a spray-dried powder or as an undried stabilized suspension which is still moist from its production.
- the zeolite in the event that the zeolite is used as a suspension, it can contain small amounts of nonionic surfactants as stabilizers, for example 1 to 3% by weight, based on zeolite, of ethoxylated C 1 -C 4 -fatty alcohols with 2 to 5 Ethylene oxide groups, Ci2-Ci4 fatty alcohols with 4 to 5 ethylene oxide groups or ethoxylated isotridecanols. It is also possible to use zeolite suspensions and zeolite powder. Suitable zeolite powders have an average particle size of less than 10 ⁇ m (volume distribution; measurement method: Coulter Counter) and preferably contain 18 to 22% by weight, in particular 20 to 22% by weight, of bound water. In a preferred embodiment of the invention, the washing or cleaning agents contain 10 to 16% by weight of zeolite (based on anhydrous active substance) and 10 to 30% by weight of a carbonate and silicate-containing compound (based on anhydrous active substance).
- the washing or cleaning agents contain 0 to 5% by weight of zeolite (based on anhydrous active substance) and 15 to 40% by weight of a carbonate- and silicate-containing compound (based on anhydrous active substance) .
- zeolite based on anhydrous active substance
- carbonate- and silicate-containing compound based on anhydrous active substance
- Crystalline phyllosilicates and / or conventional phosphates can also be used as substitutes for the zeolite.
- the detergents or cleaning agents contain only small amounts, in particular up to 10% by weight, of phosphates.
- Crystalline layered silicates are, in particular, crystalline, layered sodium silicates of the general formula (I) NaMS x ⁇ ⁇ + ⁇ * yH2 ⁇ , where M is sodium or hydrogen, x is a number from 1.9 to 4 and y is a number from 0 to 20 and preferred values for x are 2, 3 or 4, are suitable.
- Such crystalline layered silicates are described, for example, in European patent application EP-A-0 164 514.
- Preferred crystalline layered silicates of the formula (I) are those in which M is sodium and x is 2 or 3.
- both ⁇ - and ft-sodium disilicate Na2S ⁇ ' 2 ⁇ 5- H2 ⁇ are preferred.
- these crystalline layered silicates are preferably contained in the agents according to the invention only in amounts of not more than 10% by weight, in particular less than 8% by weight, advantageously not more than 5% by weight.
- organic builder substances can also be used.
- organic builder substances can also be used.
- the polycarboxylic acids preferably used in the form of their sodium salts such as citric acid, adipic acid, succinic acid, glutaric acid, tartaric acid, sugar acids, aminocarboxylic acids, nitrilotriacetic acid (NTA), are punched, provided that such use is not objectionable for ecological reasons is, and mixtures of these.
- Preferred salts are the salts of polycarboxylic acids such as citric acid, adipic acid, succinic acid, glutaric acid, tartaric acid, sugar acids and mixtures of these.
- Suitable polymeric polycarboxylates are, for example, the sodium salts of polyacrylic acid or polymethacrylic acid, for example those with a relative molecular weight of 800 to 150,000 (based on acid).
- Suitable copolymeric polycarboxylates are, in particular, those of acrylic acid with methacrylic acid and of acrylic acid or methacrylic acid with maleic acid. Copolymers of acrylic acid with maleic acid which contain 50 to 90% by weight of acrylic acid and 50 to 10% by weight of maleic acid have proven to be particularly suitable.
- Their relative molecular weight, based on free acids is generally 5,000 to 200,000, preferably 10,000 to 120,000 and in particular 50,000 to 100,000.
- the (co) polymeric polycarboxylates can be used either as a powder or as an aqueous solution, 20 to 55% by weight. % aqueous solutions are preferred. Also particularly preferred are biodegradable terpolymers, for example those which, according to DE-A-4300772, as salts of acrylic acid and maleic acid as well as vinyl alcohol or vinyl alcohol derivatives or as DE-C-4221381 as monomers, salts of acrylic acid and 2 -Alkylallyl- sulfonic acid and sugar derivatives included.
- copolymers are those which are described in German patent applications DE-A-43 03 320 and P 44 17 734.8 and which preferably contain acrolein and acrylic acid / acrylic acid salts or acrolein and vinyl acetate as monomers.
- Suitable builder systems are oxidation products of carboxyl group-containing polyglucosans and / or their water-soluble salts, as are described, for example, in international patent application WO-A-93/08251 or whose preparation is described, for example, in international patent application WO-A-93/16110.
- the known polyaspartic acids or their salts and derivatives are also to be mentioned as further preferred builder substances.
- polyacetals which can be obtained by reacting dialdehydes with polyolcarboxylic acids which have 5 to 7 carbon atoms and at least 3 hydroxyl groups, for example as described in European patent application EP-A-0 280 223 .
- Preferred polyacetals are obtained from dialdehydes such as glyoxal, glutaraldehyde, terephthalaldehyde and mixtures thereof and from polyolcarboxylic acids such as gluconic acid and / or glucoheptonic acid.
- the washing or cleaning agents have, as organic cobuilders, polymeric polycarboxylates and / or salts of polycarboxylic acids, preferably in amounts of from 2 to 20% by weight and in particular from 5 to 15% by weight.
- zeolite can be replaced not only partially or completely by the carbonate-containing granules, for technical reasons, but also that the washing properties of the washing or cleaning agents according to the invention and / or extruded washing or cleaning agents can be improved.
- the detergents according to the invention not only have the same good primary washing performance as the analogous conventional zeolite-containing detergents without the carbonate-containing granules and in particular without the compounds containing carbonate and silicate, but with preferred embodiments even significantly improved primary washing performances are achieved. The same applies to the graying inhibition.
- ingredients of the washing or cleaning agents according to the invention are, in particular, surfactants, above all anionic surfactants and, if appropriate, nonionic surfactants, but also cationic, amphoteric or zwitterionic surfactants.
- Preferred surfactants of the sulfonate type are Cg-Ci3-alkylbenzenesulfonates, olefin sulfonates, ie mixtures of alkene and hydroxyalkanesulfonates as well as disulfonates, such as are used for example with a terminal or internal double bond by sulfonation with gaseous sulfur trioxide and subsequent alkaline or acidic hydrolysis of the sulfonation products.
- alkanesulfonates which are composed of Ci2-Ci8-Al. for example by sulfochlorination or sulfoxidation with subsequent hydrolysis or neutralization.
- esters of ⁇ -sulfo fatty acids for example the ⁇ -sulfonated methyl esters of hydrogenated coconut, palm kernel or tallow fatty acids.
- anionic surfactants are the ⁇ -sulfofatty acids obtainable by ester cleavage of the ⁇ -sulfofatty acid alkyl esters or their di-salts.
- the mono-salts of the ⁇ -sulfofatty acid alkyl esters are obtained already in their industrial production as an aqueous mixture with limited amounts of di-salts.
- the salt content of such surfactants is usually below 50% by weight of the anionic surfactant mixture, for example up to about 30% by weight.
- Suitable anionic surfactants are sulfonated fatty acid glycerol esters, which are mono-, di- and triesters as well as their mixtures, such as those produced 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 be preserved.
- Suitable sulfate-type surfactants are the sulfuric acid monoesters from primary alcohols of natural and synthetic origin.
- the alk (en) yl sulfates are the alkali and, in particular, the sodium salts of the sulfuric acid semiesters of the Ci2-C ⁇ g fatty alcohols, for example from coconut oil alcohol, tallow fatty alcohol, lauryl, myristyl, cetyl or stearyl alcohol or the C ⁇ o-C2 ⁇ " Ox ° a T ( alcohols and those half esters of secondary alcohols of this chain length are preferred.
- alk (en) yl sulfates of the chain length mentioned which contain a synthetic, petrochemical-based straight-chain alkyl radical which have a degradation behavior analogous to that of the adequate compounds on the Based on oleochemical raw materials
- C15-C18-alk (en) yl sulfates are particularly preferred from the point of view of washing technology.
- Ci5-Ci8 ⁇ alk (en) yl sulfates in combination with lower melting anionic surfactants and in particular those anionic surfactants which have a lower Have Krafft point and show a low tendency to crystallize at relatively low washing temperatures of, for example, room temperature to 40 ° C.
- the means of short-chain and long-chain fatty alkyl sulfates mixtures preferably mixtures of Ci2-Ci4-fatty alkyl sulfates or Ci2-C j 8-fatty alkyl sulfates with Ci5-CI8 fatty alkyl sulfates and, in particular Ci2-Ci6 fatty alkyl sulfates with Cis- -Ci ⁇ fatty alkyl sulfates.
- not only saturated alkyl sulfates but also unsaturated alkenyl sulfates with an alkenyl chain length of preferably C15 to C22 are used.
- Mixtures of saturated sulfonated fatty alcohols predominantly consisting of C15 and unsaturated, predominantly consisting of Cjg existing sulfated fatty alcohols are preferred, for example those derived from solid or liquid fatty alcohol mixtures of the HD-Ocenol ( R ) type (commercial product of the applicant), the weight ratios of alkyl sulfates to alkenyl sulfates being from 10: 1 to 1: 2 and in particular from about 5: 1 to 1: 1 preferred.
- 2,3-Alkyl sulfates which are produced, for example, according to US Pat. Nos. 3,234,258 or 5,075,041 and can be obtained as commercial products from the Shell Oil Company under the name DAN ( R ), are also suitable anionic surfactants.
- the sulfuric acid monoesters of the straight-chain or branched C7-C2i alcohols ethoxylated with 1 to 6 mol of ethylene oxide such as 2-methyl-branched Cg-Cu alcohols with an average of 3.5 mol of ethylene oxide (E0) or with 1 to 4 E0, are suitable. Because of their high foaming behavior, they are used in detergents only in relatively small amounts, for example in amounts of 1 to 5% by weight.
- Preferred anionic surfactants are also the salts of alkylsulfosuccinic acid, which are also referred to as sulfosuccinates or as sulfosuccinic acid esters and which are monoesters and / or diesters of sulfosuccinic acid with alcohols, preferably fatty alcohols and in particular ethoxylated fatty alcohols.
- Preferred sulfosuccinates contain Cs ⁇ to Q- Fatty alcohol residues or mixtures thereof.
- Particularly preferred sulfosuccinates contain a fatty alcohol residue which is derived from ethoxylated fatty alcohols which, viewed in isolation, are nonionic surfactants (for a description, see below).
- alk (en) ylsuccinic acid with preferably 8 to 18 carbon atoms in the alk (en) yl chain or salts thereof.
- the agents can also contain soaps, preferably in amounts of 0.2 to 5% by weight.
- 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 from natural fatty acids, e.g. Coconut, palm kernel or tallow fatty acids, derived soap mixtures.
- those soap mixtures are preferred which are composed of 50 to 100% by weight of saturated C 2 -C 24 fatty acid soaps and 0 to 50% by weight of oleic acid soap.
- the anionic surfactants and soaps can be present 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 in the form of their sodium or potassium salts, in particular in the form of the sodium salts.
- Preferred anionic surfactants are alkylbenzenesulfonates and alk (en) yl sulfates, in particular alkyl sulfates in the specified C chain range.
- alkyl sulfates led to a reduction in the rate of dissolution in comparison to the alkyl benzenesulfonates.
- the extrudates according to the invention have such an increased dissolving rate compared to the conventional extrudates that even with significantly increased alkyl sulfate contents, in particular by replacing alkylbenzenesulfonate with alkyl sulfate, the dissolving rates of the extrudates are equally good to better than with the conventional extrudates which did not contain the carbonate-containing granules.
- detergents or cleaning agents in particular extruded detergents or cleaning agents, are preferred, which contain 10 to 30% by weight of anionic surfactants, preferably at least 3% by weight of surfactant and surfactants on the anionic surfactants as a whole - contain at least 15% by weight, in particular 20 to 100% by weight, of sulfate surfactants.
- Agents which contained 30 to 90% by weight, based on the anionic surfactants present, of sulfate surfactants, in particular alkyl sulfates, have proven to be particularly advantageous.
- agents which have an extruded component which contains the carbonate-containing granules and at least one further surfactant-containing component which contains the major part of the alkyl sulfate introduced into the agent as a whole.
- the nonionic surfactants used are preferably alkoxylated, advantageously ethoxylated, in particular primary alcohols having preferably 8 to 18 carbon atoms and an average of 1 to 12 moles of ethylene oxide (E0) per mole of alcohol in which the alcohol radical has a methyl or linear branching, preferably in the 2-position may be or may contain linear and methyl-branched radicals in the mixture, such as are usually present in oxo alcohol radicals.
- alcohol ethoxylates with linear residues of alcohols of native origin with 12 to 18 carbon atoms, for example from coconut, palm, tallow fat or oleyl alcohol, and an average of 2 to 8 E0 per mole of alcohol are particularly preferred.
- the preferred ethoxylated alcohols include, for example, Ci2-Ci4 alcohols with 3 E0 or 4 E0, Cg-Cn alcohol with 7 E0, Ci3-Ci5 alcohols with 3 E0, 5 E0, 7 E0 or 8 E0, Ci2-Ci8- Alcohols with 3 E0, 5 E0 or 7 E0 and mixtures of these, such as mixtures of C12-Ci4 alcohol with 3 E0 and Ci2-Ci8 alcohol with 5 E0.
- the degrees of ethoxylation given represent statistical averages, which can be an integer or a fraction for a specific product.
- Preferred alcohol ethoxylates have a narrow homolog distribution (narrow range ethoxylates, NRE).
- fatty alcohols with more than 12 E0 can also be used. Examples of this are tallow fatty alcohol with 14 E0, 25 E0, 30 E0 or 40 E0.
- Another class of preferably used nonionic surfactants, which are used either as the sole nonionic surfactant or in combination with other nonionic surfactants, in particular together with alkoxylated fatty alcohols, 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 ethyl ester, as described, for example, in Japanese patent application JP 58/217598 or which are preferably prepared by the process described in international patent application WO-A-90/13533.
- alkyl glycosides of the general formula R0 (G) x in which R is a primary straight-chain or methyl-branched, in particular methyl-branched aliphatic radical having 8 to 22, preferably 12 to 18, C., can also be used as further nonionic surfactants -Atoms means and G is the symbol which stands for a glycose unit with 5 or 6 carbon atoms, preferably for glucose.
- the degree of oligomerization x which indicates the distribution of monoglycosides and oligoglycosides, is any number between 1 and 10.
- Nonionic surfactants of the amine oxide type for example N-coconut alkyl-N, N-dimethylamine oxide and N-tallow alkyl-N, N-dihydroxyethylamine oxide, and the fatty acid alkanolamides can also be suitable.
- the amount of these non-ionic surfactants is preferably not more than that of the ethoxylated fatty alcohols, in particular not more than half of them.
- Suitable surfactants are polyhydroxy fatty acid of the formula (II),
- R 2 is C0 for an aliphatic acyl radical with 6 to 22 carbon atoms
- R 3 for hydrogen, an alkyl or hydroxyalkyl radical with 1 to 4 carbon atoms
- [Z] for a linear or branched poly- hydroxyalkyl radical having 3 to 10 carbon atoms and 3 to 10 hydroxyl groups.
- the polyhydroxy fatty acid amides are known substances which can usually be obtained by reductive amination of a reducing sugar with ammonia, an alkylamine or an alkanol and subsequent acylation with a fatty acid, a fatty acid alkyl ester or a fatty acid chloride.
- a reducing sugar with ammonia, an alkylamine or an alkanol
- acylation with a fatty acid, a fatty acid alkyl ester or a fatty acid chloride.
- the polyhydroxyfatty acid derivatives are preferably derived from reducing sugars with 5 or 6 carbon atoms, in particular from glucose.
- the agents can also contain components which have a positive influence on the oil and fat washability from textiles. This effect is particularly evident when a textile is soiled that has already been washed several times beforehand with a detergent according to the invention which contains this oil and fat-dissolving component.
- the preferred oil and fat-dissolving components include, for example, nonionic cellulose ethers such as methyl cellulose and methyl hydroxypropyl cellulose with a proportion of methoxyl groups of 15 to 30% by weight and hydroxypropoxyl groups of 1 to 15% by weight, in each case based on the nonionic cellulose ether, and the polymers of phthalic acid and / or terephthalic acid or their derivatives known from the prior art, in particular polymers of ethylene glycol terephthalates and / or polyethylene glycol terephthalates or anionic and / or nonionic modified derivatives thereof .
- the agents can also contain constituents which further improve the solubility of the heavy granules.
- constituents which further improve the solubility of the heavy granules.
- Such components and the introduction of such components are described for example in the international patent application WO-A-93/02176 and in the German patent application DE 4203031.
- the components preferably used include, in particular, fatty alcohols with 20 to 80 moles of ethylene oxide per mole of fatty alcohol, for example tallow fatty alcohol with 30 E0 and tallow fatty alcohol with 40 EO, but also fatty alcohols with 14 EO and polyethylene glycols with a relative molecular weight between 200 and 2000.
- the sodium perborate tetrahydrate and the sodium perborate monohydrate are of particular importance.
- Further bleaching agents which can be used are, for example, sodium percarbonate, peroxypyrophosphates, citrate perhydrates and peracid salts or peracids providing H2O2, such as perbenzoates, peroxophthalates, diperazelaic acid or diperdodecanedioic acid.
- the bleaching agent content of the agents is preferably 5 to 25% by weight and in particular 10 to 20% by weight, with perborate monohydrate being advantageously used.
- Percarbonate is also preferred as an ingredient. However, percarbonate is preferably not coextruded but, if necessary, mixed in subsequently.
- bleach activators can be incorporated into the preparations.
- these are N-acyl or 0-acyl compounds which form organic peracids with H2O2, preferably N, N'-tetraacylated diamines, p- (alkanoyloxy) benzenesulfonates, furthermore carboxylic acid anhydrides and esters of polyols such as glucose pentaacetate.
- Further known bleach activators are acetylated mixtures of sorbitol and mannitol, as are described, for example, in European patent application EP-A-0525239.
- the bleach activator content of the bleach-containing agents is in the usual range, preferably between 1 and 10% by weight and in particular between 3 and 8% by weight.
- Particularly preferred bleach activators are N, N, N ', N'-tetraacetylethylenediamine (TAED), 1,5-diacetyl-2,4-dioxo-hexahydro-1,5,5-triazine (DADHT) and acetylated sorbitol mannitol Mixtures (S0RMAN).
- Suitable foam inhibitors are, for example, soaps of natural or synthetic origin, which have a high proportion of Ci8 ⁇ C24 fatty acids.
- Suitable non-surfactant-like foam inhibitors are, for example, organopolysiloxanes and their mixtures with microfine, optionally signed silica, and also paraffins, waxes, microcrystalline waxes and their mixtures with silanized silica or bistearylethylenediamide. Mixtures of various foam inhibitors are also used with advantages, for example those made of silicones, paraffins or waxes.
- the foam inhibitors, in particular silicone and / or paraffin-containing foam inhibitors are preferably bound to a granular, water-soluble or dispersible carrier substance. Mixtures of paraffins and bistearylethylenediamides are particularly preferred.
- Suitable enzymes are those from the class of proteases, lipases or lipolytically acting enzymes, aylases, cellulases or mixtures thereof.
- Enzymatic active ingredients obtained from bacterial strains or fungi such as Bacillus subtilis, Bacillus licheniformis, Strepto yces griseus and Humica insolens, are particularly suitable.
- Proteases of the subtilisin type and in particular proteases which are obtained from Bacillus lentus are preferably used.
- Enzyme mixtures for example from protease and amylase or protease and lipase or lipolytic enzymes or protease and cellulase or from cellulase and lipase or lipolytic enzymes or from protease, amylase and lipase or protease, lipase and cellulase, in particular, however, mixtures containing proteases and / or lipases or mixtures with lipolytically active enzymes of particular interest.
- Known cutinases are examples of such lipolytic enzymes.
- Peroxidases or oxidases have also proven to be suitable in some cases.
- the enzymes can be adsorbed on carriers and / or embedded in coating substances in order to protect them against premature decomposition.
- the proportion of the enzymes, enzyme mixtures or enzyme granules can be, for example, about 0.1 to 5% by weight, preferably 0.1 to about 2% by weight.
- the salts of polyphosphonic acids in particular 1-hydroxyethane-l, 1-diphosphonic acid (HEDP), diethylenetriamondpentamethylenephosphonic acid (DETP P) or ethylenediactetramethylenephosphonic acid are suitable as stabilizers, in particular for per compounds and enzymes.
- HEDP 1-hydroxyethane-l, 1-diphosphonic acid
- DETP P diethylenetriamondpentamethylenephosphonic acid
- ethylenediactetramethylenephosphonic acid are suitable as stabilizers, in particular for per compounds and enzymes.
- the agents can also contain further enzyme stabilizers.
- 0.5 to 1% by weight sodium formate can be used.
- proteases which salt with soluble calcium and a calcium content of preferably about 1.2% by weight, based on the enzyme, is stabilized.
- boron compounds for example boric acid, boron oxide, borax and other alkali metal borates, such as the salts of orthoboric acid (H3BO3), metaboric acid (HBO2) and pyroboric acid (tetraboric acid H2B4O7), is particularly advantageous.
- Graying inhibitors have the task of keeping the dirt detached from the fiber suspended in the liquor and thus preventing graying.
- Water-soluble colloids of mostly organic nature are suitable for this, for example the water-soluble salts of polymeric carboxylic acids, glue, gelatin, salts of ether carboxylic acids or ether sulfonic acids of starch or cellulose or salts of acidic sulfuric acid esters of cellulose or starch.
- Water-soluble polyamides containing acidic groups are also suitable for this purpose. Soluble starch preparations and starch products other than those mentioned above can also be used, e.g. degraded starch, aldehyde starches, etc.
- Polyvinylpyrrolidone can also be used.
- cellulose ethers such as carboxymethyl cellulose (sodium salt), methyl cellulose, hydroxyalkyl cellulose and mixed ethers, such as methyl hydroxyethyl cellulose, methyl hydroxypropyl cellulose, methyl carboxymethyl cellulose and mixtures thereof, and polyvinylpyrrolidone, for example in amounts of 0.1 to 5% by weight, based on the detergent, are preferred used.
- the agents can contain derivatives of diaminostilbenedisulfonic acid or its alkali metal salts. Suitable are, for example, salts of 4,4'-bis (2-anilino-4-morpholino-l, 3,5-triazinyl-6-amino) stilbene-2,2'-disulfonic acid or compounds of the same structure which contain an replace the morpholino group with a diethanolamino group, a methylamino group, an anilino group or a 2-methoxyethylamino group.
- Brighteners of the substituted diphenylstyryl type may also 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) diphenyl. Mixtures of the aforementioned brighteners can also be used.
- the finished washing or cleaning agents can be constructed uniformly from granules or extrudates which contain the above-mentioned ingredients. In a further embodiment of the invention, however, the granules or extrudates are processed with further ingredients of washing or cleaning agents.
- washing or cleaning agents are obtained from a mixture of several different granules, of which the main constituent of the invention.
- Bleach activators for example N.N'-tetraacylated diamines such as N, N, N ', N'-tetraacetylethylenediamine, enzyme granules containing enzymes, in particular protease and / or lipase and / or cellulase and / or amylase, with mixtures of 2 or 3 enzymes can be particularly advantageous, and perfume mixed in afterwards.
- the extrudates can also be processed with further finely divided dry powders before the enzymes and the other constituents are added.
- zeolite examples include zeolite, silicas and salts of fatty acids, for example calcium stearate, bleach activators or mixtures of zeolite with one of the other powders mentioned.
- the weight ratios of zeolite to silica are advantageously above 1, in particular in a range from 200: 1 to 2: 1.
- the foaming behavior for detergents can be positively influenced if the foam inhibitor, for example organopolysiloxanes and their mixtures with microfine, optionally silanized silica, and paraffins, waxes, microcrystalline waxes and their mixtures with silanized silica or bistearylethylene diid, at least partially not extruded, but is subsequently mixed with the extrudate.
- the surface of the extrudate according to the invention is first covered, for example, with zeolite or a zeolite-containing mixture and then with a foam inhibitor. Such measures enable a further improvement in the induction behavior of the extrudates.
- the agent in particular the extrudate accordingly, has subsequent treatment on the surface of finely divided ingredients of detergents or cleaning agents in amounts of up to 5% by weight, based on the agent, in particular that treated extrudate, and in particular 0.1 to 2% by weight of finely divided zeolite.
- the agent in particular the extrudate accordingly, has subsequent treatment on the surface of finely divided ingredients of detergents or cleaning agents in amounts of up to 5% by weight, based on the agent, in particular that treated extrudate, and in particular 0.1 to 2% by weight of finely divided zeolite. The same applies to non-extruded washing or cleaning agents.
- the bulk density of the granules or extrudates produced according to the invention and of the finished washing or cleaning agents is preferably between 700 and 1200 g / 1, bulk densities between 700 and 1000 g / 1 and in particular between 750 and 950 g / 1 being particularly preferred.
- the agents according to the invention can be produced by any of the known spray drying, granulating, compacting and / or mixing processes.
- the invention relates in particular to a process for the production of extruded washing or cleaning agents with a bulk density above 600 g / l, which contain anionic and optionally nonionic surfactants and sodium carbonate and amorphous sodium silicate as water-soluble builder substances .
- a solid and free-flowing premix is extruded in the form of strands at pressures of up to 200 bar, the strand is cut to the predetermined granule dimension by means of a cutting device after exiting the hole shape, and the like Plastic raw, optionally moist crude extrudate optionally fed to a further shaping processing step and then dried.
- sodium carbonate and amorphous sodium silicate (in each case based on anhydrous active substance) are used in a total amount of between 10 to 40% by weight, sodium carbonate and amorphous sodium silicate in a weight ratio of 5: 1 to 1:10 and the sodium carbonate at least partially in the form of a Granules are used, with the proviso that the quantities refer to the optionally dried extrudate.
- a carbonate-silicate compound is used as the carbonate-containing granulate, which can be produced, for example, by spray drying or granulation and, if appropriate, subsequent compacting, such as roller compaction.
- the premix is preferably fed continuously to a twin-screw extruder with a co-rotating or counter-rotating screw guide, the housing and the extruder pelletizing head of which can be heated to the predetermined extrusion temperature.
- the premix is compressed, plasticized, extruded in the form of fine strands through the perforated die plate in the extruder head and closed under pressure, which is preferably at least 25 bar, but can also be below this at extremely high throughputs depending on the apparatus used ⁇ Lich the extrudate preferably reduced to approximately spherical to cylindrical granules by means of a rotating knives.
- the hole diameter of the perforated nozzle plate and the length of the strand cut are matched to the selected granule dimension.
- granules of an essentially uniformly predeterminable particle size can be produced, the absolute particle sizes in particular being able to be adapted to the intended use.
- particle diameters up to at most 0.8 cm are preferred.
- Important embodiments provide for the production of uniform granules in the millimeter range, for example in the range from 0.5 to 5 mm and in particular in the range from approximately 0.8 to 3 mm.
- the length / diameter ratio of the chopped-off primary granules is in the range from about 1: 1 to about 3: 1.
- the extrudates are then fed to a drying step, for example a fluidized bed dryer.
- a drying step for example a fluidized bed dryer.
- the extruded granules which contain peroxy bleaching agents, for example perborate monohydrate, can be dried at supply air temperatures between 80 and 150 ° C. without loss of active oxygen.
- zeolite based on anhydrous active substance
- zeolite is used in amounts of 10 to 30% by weight, preferably less than 19% by weight, the amounts given relating to the optionally dried extrudate, and sodium carbonate and Na ⁇ trium silicate, in particular in the form of granules or compound, are introduced into the process in such quantities that the weight ratio - based in each case on anhydrous active substances - of zeolite to the sum of carbonate and silicate is 2: 1 to 1: 2 and preferably 1.5: 1 to Is 1: 1.5.
- zeolite based on anhydrous active substance
- zeolite is used only in amounts of 0 to 5% by weight. It is possible, and in some cases may also be preferred, that zeolite is only partially or not co-extruded, but is subsequently added to the crude extrudate.
- dry powder as a powdering agent to the crude extrudate in amounts of up to 5% by weight, zeolite (anhydrous active substance) preferably being used in amounts of 0.1 to 2% by weight.
- the powdering agents can be added before, during or after the drying which may have been carried out, but the addition is preferably carried out after completion of the shaping processing step which is carried out and which is carried out, for example, in a commercially available rounder.
- Example 1 Partial exchange of zeolite in the extrudate grain
- the following agents M1, M2 and M3 and the comparative agent VI according to the invention were obtained by extrusion and subsequent admixing of the bleach activator granules, the enzyme granules and the foam inhibitor granules Starch base manufactured.
- the extrusion mixtures of agents Ml to M3 could be extruded without any process problems.
- the crude extrudates were each powdered before mixing with a mixture of zeolite and silica in a weight ratio of 4: 1.
- the compositions of the finished compositions in parts by weight were as shown in Table 1.
- the bulk density of the finished compositions was between 720 and 780 g / 1.
- the agents according to the invention had a significantly better primary washing power than the comparative agent VI over all the soiling tested at 60 ° C. and a water hardness of 16 ° d.
- the Nabion l ⁇ ( R ) used in the agents according to the invention is a commercial product from Rhönen-Poulenc and consisted of 55% by weight sodium carbonate, 29% by weight sodium disilicate and 16% by weight water.
- Zeolite (anhydrous active substance) 22.3 17.6 17.6 17.0
- Comparative agent VI and agents M4 to MIO according to the invention were prepared as described in Example 1, agents M4 to MIO according to the invention differing from VI in that they instead of zeolite, sodium carbonate and acrylic acid-maleic acid Polymers had the builder combinations given in Table 3.
- the extrusion mixtures of agents M4 to MIO could be extruded without any process problems, although the mixtures to be extruded did not contain any zeolite.
- the primary washing power of agents M4 to MIO according to the invention was significantly better in terms of fat / pigment stains, protein-containing stains and high-fat stains than that of Comparative Example VI (Table 4). Only on bleachable stains (red wine and tea) were the performance of the agents M4 to MIO compared to VI the same to only slightly improved. Likewise, the graying of the fabrics that had been washed with M4 to MIO was significantly less than when VI was used. Surprisingly, some fabrics after 25 washes with the agents M4 to MIO according to the invention even had better rejection values than before the washes (Table 5). In addition, the ash contents of individual textile samples were also determined after 25 washes (Table 6). The ash values for the fabrics washed with the agents according to the invention were not significantly worse for all fabrics than for the fabrics washed with VI.
- the application test was carried out under practical conditions in household washing machines.
- the machines were loaded with 3.0 kg of clean laundry and 0.5 kg of test fabric, the test fabric being impregnated with conventional test soils for testing the primary washing ability and consisting of white fabric for testing the graying inhibition and the ash determination.
- Strips of standardized cotton fabric (laundry research institute Krefeld, WFK), nettle (BN), knitwear (cotton jersey; B) and terry toweling fabric (FT) were used as the white test fabric.
- Washing conditions for primary washing ability and graying inhibition tap water of 23 ° d (equivalent to 230 mg CaO / l), amount of detergent used per detergent and machine 80 g, washing temperature 90 ° C, liquor ratio (kg laundry: liters of washing liquor in the main wash cycle) 1: 5,7,3 rinsing with tap water, spinning and drying.
- Soiling Dust-wool fat on cotton (SW-B) Dust-skin fat on cotton (SH-B) Dust-skin fat on refined cotton (SH-BV) Dust-skin fat on mixed fabrics made of polyester and refined cotton (SH-PBV) Milk soot on cotton (MR-B) Milk cocoa on cotton (MK-B)
- Table 3 Compositions of the builder combinations in the compositions M4 to MIO (in parts by weight)
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Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4442977 | 1994-12-02 | ||
DE4442977A DE4442977A1 (de) | 1994-12-02 | 1994-12-02 | Wasch- oder Reinigungsmittel mit wasserlöslichen Buildersubstanzen |
PCT/EP1995/004627 WO1996017045A1 (de) | 1994-12-02 | 1995-11-23 | Wasch- oder reinigungsmittel mit wasserlöslichen buildersubstanzen |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0793708A1 true EP0793708A1 (de) | 1997-09-10 |
EP0793708B1 EP0793708B1 (de) | 1999-01-13 |
Family
ID=6534768
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP95941007A Expired - Lifetime EP0793708B1 (de) | 1994-12-02 | 1995-11-23 | Verfahren zur herstellung extrudierter wasch- oder reinigungsmittel mit wasserlöslichen buildersubstanzen |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0793708B1 (de) |
AT (1) | ATE175717T1 (de) |
DE (2) | DE4442977A1 (de) |
ES (1) | ES2128793T3 (de) |
WO (1) | WO1996017045A1 (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19525378A1 (de) * | 1995-07-12 | 1997-01-16 | Henkel Kgaa | Amorphes Alkalisilicat-Compound |
GB9609699D0 (en) * | 1996-05-09 | 1996-07-10 | Unilever Plc | Detergent compositions |
AU9510998A (en) * | 1998-09-25 | 2000-04-17 | Procter & Gamble Company, The | Solid detergent compositions |
JP2002525422A (ja) * | 1998-09-25 | 2002-08-13 | ザ、プロクター、エンド、ギャンブル、カンパニー | 洗剤組成物 |
DE19936613B4 (de) | 1999-08-04 | 2010-09-02 | Henkel Ag & Co. Kgaa | Verfahren zur Herstellung eines Waschmittels mit löslichem Buildersystem |
DE10134309A1 (de) * | 2001-07-14 | 2003-02-06 | Henkel Kgaa | Coextrusion von Wasch- und Reinigungsmitteln |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4075117A (en) * | 1973-10-15 | 1978-02-21 | Witco Chemical Corporation | Built detergent compositions |
MY102396A (en) * | 1986-11-07 | 1992-06-17 | Unilever Plc | Detergent granules and a process for their preparation |
ATE107352T1 (de) * | 1989-08-09 | 1994-07-15 | Henkel Kgaa | Herstellung verdichteter granulate für waschmittel. |
DE4235646A1 (de) * | 1992-10-22 | 1994-04-28 | Henkel Kgaa | Verfahren zur Herstellung wasch- und reinigungsaktiver Extrudate |
DE4320358A1 (de) * | 1993-06-21 | 1994-12-22 | Henkel Kgaa | Verfahren zur Herstellung wasch- oder reinigungsaktiver Extrudate |
DE4405511A1 (de) * | 1994-02-22 | 1995-08-24 | Henkel Kgaa | Waschmittel mit amorphen silikatischen Buildersubstanzen |
-
1994
- 1994-12-02 DE DE4442977A patent/DE4442977A1/de not_active Withdrawn
-
1995
- 1995-11-23 ES ES95941007T patent/ES2128793T3/es not_active Expired - Lifetime
- 1995-11-23 AT AT95941007T patent/ATE175717T1/de not_active IP Right Cessation
- 1995-11-23 WO PCT/EP1995/004627 patent/WO1996017045A1/de active IP Right Grant
- 1995-11-23 DE DE59504841T patent/DE59504841D1/de not_active Expired - Lifetime
- 1995-11-23 EP EP95941007A patent/EP0793708B1/de not_active Expired - Lifetime
Non-Patent Citations (1)
Title |
---|
See references of WO9617045A1 * |
Also Published As
Publication number | Publication date |
---|---|
EP0793708B1 (de) | 1999-01-13 |
WO1996017045A1 (de) | 1996-06-06 |
DE59504841D1 (de) | 1999-02-25 |
ES2128793T3 (es) | 1999-05-16 |
DE4442977A1 (de) | 1996-06-05 |
ATE175717T1 (de) | 1999-01-15 |
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