EP0703969A1 - Geschirrspülmittel mit verringerter belagsbildungsneigung - Google Patents
Geschirrspülmittel mit verringerter belagsbildungsneigungInfo
- Publication number
- EP0703969A1 EP0703969A1 EP94918388A EP94918388A EP0703969A1 EP 0703969 A1 EP0703969 A1 EP 0703969A1 EP 94918388 A EP94918388 A EP 94918388A EP 94918388 A EP94918388 A EP 94918388A EP 0703969 A1 EP0703969 A1 EP 0703969A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- composition according
- weight
- amino acids
- total
- agent
- 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
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- OUYCCCASQSFEME-UHFFFAOYSA-N tyrosine Natural products OC(=O)C(N)CC1=CC=C(O)C=C1 OUYCCCASQSFEME-UHFFFAOYSA-N 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
- 239000008403 very hard water Substances 0.000 description 1
- 239000010457 zeolite 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
- C11D17/00—Detergent materials or soaps characterised by their shape or physical properties
- C11D17/0047—Detergents in the form of bars or tablets
- C11D17/0065—Solid detergents containing builders
- C11D17/0073—Tablets
- C11D17/0091—Dishwashing tablets
-
- 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
- C11D3/16—Organic compounds
- C11D3/26—Organic compounds containing nitrogen
- C11D3/33—Amino carboxylic acids
Definitions
- the invention relates to dishwashing detergents for machine washing of dishes, in particular low-alkaline dishwashing detergents with an application pH between 9 and 11, which contain amino acids, preferably lower oc-amino acids, as alkali carriers.
- low-alkaline agents for the mechanical cleaning of dishes contain, in addition to water-soluble builders, oxygen-based bleaching agents, surface-active substances and enzymes, such as e.g. Soda, bicarbonate or disilicate.
- the application pH is generally between 10 and 11. However, these formulations have the night 1 that with residual water hardness of 4 ° dH and greater, limescale deposits on the machine-washed in the cleaning and rinse cycle Make good. By partially replacing carbonate with bicarbonate, the application pH can be reduced to 9 to 10, which increases the complexing effect of certain builder components, as a result of which the tendency to form lime deposits can be reduced. When using very hard water (above 16 ° dH), however, the inhibition of limescale formation is not completely satisfactory even at a lower application pH.
- German published patent application DE 40 36 695 claims the use of substituted ⁇ -alanine derivatives as builders in machine dishwashing detergents.
- the present invention relates to an agent for the mechanical cleaning of dishes, the 1% by weight aqueous solution of which has a pH of 8 to 12, preferably 9 to 11, containing water-soluble builder components and bleaching agents for oxygen.
- Basis characterized in that 0.5 to 60% by weight, preferably 10 to 50% by weight, based on the total composition, of one or more amino acids or their alkali metal or ammonium salts are contained as alkali carriers.
- Amino acids in the sense of the invention are those amino acids whose amino function is not substituted, i.e. whose amino functions only carry hydrogens.
- Suitable amino acids are synthetic or naturally occurring amino acids, which e.g. can be obtained by hydrolysis from vegetable or animal proteins such as collagen, keratin, casein, elastin, soy protein, wheat gluten or almond protein.
- ⁇ -amino acids for example serine, threonine, ornithine, arginine, lysine, asparagine, glutin, phenylalanine or tyrosine, but especially glycine, alanine, valine, leucine and isoleucine.
- Glycine or its alkali metal or ammonium salts for example sodium glycinate, is particularly preferred.
- their alkali metal, alkaline earth metal or ammonium salts can also be used in the dishwashing detergents according to the invention, in particular the sodium salts.
- the amino acids or their salts can be in powder form or as granules, optionally together with auxiliaries such as. B. Na citrate, can be used.
- Amino acids or amino acid salts are contained in the agents according to the invention in amounts of 0.5 to 60% by weight, preferably 10 to 50% by weight. Mixtures of different amino acids or amino acid salts can also be used.
- carbonate and / or hydrogen carbonates in particular alkali carbonates and / or hydrogen carbonates, can be present in amounts of up to 15% by weight, based on the total dishwashing detergent.
- the dishwashing detergents according to the invention are preferably free of carbonates and / or hydrogen carbonates. Also on the use of highly alkaline metasilicates, e.g.
- Organophosphonic acids or their salts Organophosphonic acids or their salts, crystalline phyllosilicates, zeolites, di-and Honorary functional organic carboxylic acids or their salts, oxidized starch and polycarboxylic acids or polycarboxylates as well as polyamino acids such as polyaspartic acid in question.
- phosphates used earlier for example pentasodium triphosphate, which in principle also may be included, is preferably omitted for ecological reasons.
- Preferred builder components are di- or honor-functional organic carboxylic acids or their salts, in particular citric acid or their salts and / or synthetic polycarboxylic acids or polycarboxylates, in a total amount of 1 to 60% by weight, preferably 20 to 50% by weight. , based on the total dishwashing detergent, are included.
- Synthetic polycarboxylic acids or polycarboxylates are to be understood as meaning the synthetic polymers or their salts of the polymerization products of unsaturated carboxylic acids or their salts, to which e.g. Polyacrylic acid, poly ethacrylic acid, polymaleic acids or copolymers of acrylic acid with maleic acid or maleic anhydride belong.
- Suitable polyacrylates are, for example, Alcosperse ( R ) 102, 104, 106, 404, 406 from Alco, Acrysole ( R ) A Nl, LMW 45 N, LMW 10 N from Norsohaas, Degapas ( r ) from Degussa; Suitable copolymers of polyacrylic acid and maleic acid are, for example, Sokalan ( R ) CP 5, CP 7 from BASF, Acrysol ( R ) QR 1014 from Norsohaas, Alcosperse () 175 from Alco.
- the dishwashing detergents according to the invention furthermore necessarily contain oxygen-based bleaching agents, in particular perborates and / or percarbonates in an amount of 0.5 to 20% by weight, preferably 5 to 12% by weight, based on the total dishwashing detergent.
- bleaching agents which can be used are, for example, peracidic salts of organic acids, such as perbenzoates or salts of diperdodecadic acid.
- bleach activators are also included. Suitable bleach activators are in particular N-acyl and 0-acyl compounds, preferably tetraacylated diamines such as N, N, N ', N'-tetraacetylethylenediamine (TAED).
- the agents according to the invention contain such conventional bleach activators in an amount of 0.1 to 10% by weight, preferably 1 to 5 % By weight.
- the agents according to the invention can optionally also contain agents that release active chlorine, such as trichloroisocyanuric acid; however, they are preferably free of active chlorine-releasing agents.
- the surfactants which can be used in the agents according to the invention their foaming behavior is decisive. Low-foam connections are preferred because of the machine mechanics. Above all, these are nonionic surfactants;
- the dishwashing detergents according to the invention can in principle also contain very small amounts of anionic, cationic or a photonic surfactants, but are preferably free of these.
- the content of nonionic surfactants is a maximum of 5% by weight, preferably a maximum of 2% by weight, based on the total dishwashing detergent.
- Addition products of 1 to 20 moles of ethylene oxide (EO) and / or 1 to 1 are particularly suitable as nonionic surfactants 20 moles of propylene oxide (PO) to 1 mole of an aliphatic compound having 10 to 20 carbon atoms from the group of alcohols, carboxylic acids, fatty amines, carboxylic acid amides and alkanesulfonamides of interest.
- nonionic surfactants non-or not completely water-soluble polyglycol ethers with 2 to 7 ethylene glycol ether residues in the molecule are also important, and are preferably used in combination with water-soluble nonionic surfactants.
- nonionic surfactants can also be alkyl polyglycosides of the general formula R-0- (G) x , in which R is a primary, straight-chain or branched aliphatic radical having 8 to 22, preferably 12 to 18, carbon atoms, G represents a glycose unit with 5 or 6 carbon atoms and the degree of oligomerization x is between 1 and 10.
- Enzymes such as proteases, amylases, lipases or cellulases can preferably be used to better remove protein or starch-containing food residues, for example proteases such as BLAP () 140 from Henkel, Optimase ( R ) -M-440, 0ptimase ( R ) -M-330, 0pticlean ( R ) -M-375, 0 ⁇ ticlean ( R ) -M-250 from Solvay Enzy es, Maxacal ( R ) CX 450,000, Maxapem ( R ) from Ibis, Savinase ( R ) 4.0 T, 6.0 T, 8.0 T from Novo or Experise ( R ) T from Ibis; Amylases such as Termamyl ( R ) 60 T, 90 T from Novo, Amylase-LT ( R ) from Solvay Enzymes or Maxamyl ( R ) P 5000, CXT 5000 or CXT 2900 from
- the dishwashing detergents according to the invention are preferably in the form of powdery, granular or tablet-like preparations which can be prepared in a conventional manner, for example by mixing, granulating, roller compacting and / or by spray drying.
- a further advantage of the alkali carrier system, which consists primarily of organic raw materials, is that there are advantages with regard to assembly, particularly in the production of granules, tablets or extrudates.
- a tablet produced in this way has a weight of 15 g to 40 g, in particular 20 g to 30 g, with a diameter from 35 mm to 40 mm.
- the machine dishwashing detergents are produced in the form of non-dusting, storage-stable, free-flowing powders and / or granules with high bulk densities in the range of preferably 750 to 1,000 g / l, for example, in that in a first process sub-stage the builder components are mixed with at least a portion of liquid mixture components are mixed while increasing the bulk density of this premix and then - if desired after an intermediate drying - the further components of the dishwasher detergent are combined with the premix obtained in this way.
- the liquid phase used in the first stage of the process in particular the surfactant compounds which are liquid under normal conditions - in particular the corresponding nonionic surfactants - and / or other liquid components of the overall formulation.
- the fragrances dissolved in carrier liquids and / or limited amounts of water or aqueous solutions of mixture components of the desired dishwashing detergent come into consideration here.
- the builder is generally mixed with at least one further component of the dishwashing agent with the liquid components.
- a precursor may be considered in which the builder component, mixed with perborate, is acted upon by the liquid nonionic surfactants and / or the solution of the fragrances and intimately mixed.
- the remaining components are then added and the entire mixture is worked through and homogenized in the mixing device.
- additional amounts of liquid in particular the use of additional water, is generally not necessary here.
- the material mixture obtained is then in the form of a free-flowing, non-dusting powder of the desired high bulk densities, approximately in the range from 800 to 900 g / l.
- dishwasher detergents according to the invention containing amino acids and / or their salts, products are available which, in addition to their good biodegradability, are conventional modern dishwashing detergents in which the alkali carrier system consists predominantly of carbonate and / or hydrogen carbonate , are superior in terms of lime scale inhibition.
- Granular dishwashing detergents with the following composition were produced.
- Agent A contained 31.9% by weight of glycine and 17.2% by weight of sodium glycinate as the alkali carrier system, and the pH of a 1% by weight aqueous solution was 9.5.
- Agent B contained 49.1% by weight of sodium glycinate as the alkali carrier system, the pH of a 1% by weight aqueous solution was accordingly higher, at 10.9.
- the comparative agent C contained 36.1% by weight of sodium hydrogen carbonate and 13.0% by weight of sodium carbonate as the alkali carrier system; the pH of a 1% by weight aqueous solution was 9.5.
- Agents D, E and F according to the invention contained 24.0% by weight glycine / 16.0% by weight sodium allycinate (D), 25.3% by weight glycine / 10.8% by weight sodium glycinate (E ) and 37.5% by weight sodium glycinate (F).
- Na glycinate can be used in powder form or as granules.
- Granule production can e.g. in the following way:
- Na glycinate or a mixture of Na glycinate and Na citrate (90:10) produced in a Lödige mixer customary in the industry were pressed into slugs in a roller press at a roller temperature of 20 ° C. and a line pressure of 17 kN / cm .
- the slugs were then ground and sieved from a fraction of ⁇ 1.6 mm.
- This fraction was then placed in a batch-operated stainless steel fluidized bed apparatus and sprayed over a period of 30 minutes with a paraffin wax (S p 42-45 ° C.) which was introduced into the fluidized bed via a two-component nozzle.
- the vortex air was kept at 30 ° C.
- a ratio of roller compactate: paraffin wax of 9: 1 slightly sticky granules were formed, however due to the hydrophobized layer applied on the outside, they are also stable in formulations containing vagrant water.
- Agent A according to the invention 1.0
- Agent B according to the invention: 1.0 Comparative agent C: 0.2
- agents A, B, D, E and F according to the invention are clearly superior to comparative agent C with regard to the formation of deposits.
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Detergent Compositions (AREA)
- Washing And Drying Of Tableware (AREA)
Description
Claims
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE4319798 | 1993-06-15 | ||
| DE4319798A DE4319798A1 (de) | 1993-06-15 | 1993-06-15 | Geschirrspülmittel mit verringerter Belagsbildungsneigung |
| PCT/EP1994/001830 WO1994029420A1 (de) | 1993-06-15 | 1994-06-06 | Geschirrspülmittel mit verringerter belagsbildungsneigung |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP0703969A4 EP0703969A4 (de) | 1995-08-28 |
| EP0703969A1 true EP0703969A1 (de) | 1996-04-03 |
| EP0703969B1 EP0703969B1 (de) | 1997-12-03 |
Family
ID=6490376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP94918388A Expired - Lifetime EP0703969B1 (de) | 1993-06-15 | 1994-06-06 | Geschirrspülmittel mit verringerter belagsbildungsneigung |
Country Status (12)
| Country | Link |
|---|---|
| EP (1) | EP0703969B1 (de) |
| JP (1) | JPH10508042A (de) |
| AT (1) | ATE160817T1 (de) |
| CA (1) | CA2165285A1 (de) |
| CZ (1) | CZ286098B6 (de) |
| DE (2) | DE4319798A1 (de) |
| DK (1) | DK0703969T3 (de) |
| ES (1) | ES2109704T3 (de) |
| GR (1) | GR3025871T3 (de) |
| HU (1) | HU216096B (de) |
| PL (1) | PL178743B1 (de) |
| WO (1) | WO1994029420A1 (de) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4324396A1 (de) * | 1993-07-21 | 1995-01-26 | Henkel Kgaa | Reinigungsmittel mit hohem Benetzungsvermögen |
| US5531934A (en) * | 1994-09-12 | 1996-07-02 | Rohm & Haas Company | Method of inhibiting corrosion in aqueous systems using poly(amino acids) |
| CA2258218A1 (en) * | 1996-06-21 | 1997-12-31 | Benckiser N.V. | Low-alkaline mgda-containing dishwasher rinsing agent |
| EP2305785A1 (de) | 2009-10-02 | 2011-04-06 | Unilever N.V. | Verwendung einer Carboxyl- oder Aminoverbindung als Reinigungshilfe für harte Flächen und Verfahren zur Reinigung von harten Flächen |
| JP5801941B1 (ja) * | 2014-11-21 | 2015-10-28 | 株式会社ニイタカ | 洗浄剤組成物、食器洗浄方法、液体洗浄剤組成物用キット及びカートリッジ洗浄剤 |
| DE102015007403A1 (de) * | 2015-06-08 | 2016-12-08 | Sodasan Wasch- und Reinigungsmittel GmbH | Phosphat- und phosphonatfreies Maschinengeschirrspülmittel |
| EP3822335B1 (de) * | 2019-11-15 | 2022-10-12 | Basf Se | Reinigungszusammensetzungen und deren verwendung |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD218117A1 (de) * | 1983-08-24 | 1985-01-30 | Bitterfeld Chemie | Waschmittel fuer textilien |
| DE3829847A1 (de) * | 1988-09-02 | 1990-03-15 | Basf Ag | Wasch- und reinigungsmittel |
-
1993
- 1993-06-15 DE DE4319798A patent/DE4319798A1/de not_active Withdrawn
-
1994
- 1994-06-06 CZ CZ19953303A patent/CZ286098B6/cs not_active IP Right Cessation
- 1994-06-06 PL PL94312248A patent/PL178743B1/pl unknown
- 1994-06-06 DE DE59404733T patent/DE59404733D1/de not_active Expired - Fee Related
- 1994-06-06 WO PCT/EP1994/001830 patent/WO1994029420A1/de not_active Ceased
- 1994-06-06 AT AT94918388T patent/ATE160817T1/de not_active IP Right Cessation
- 1994-06-06 EP EP94918388A patent/EP0703969B1/de not_active Expired - Lifetime
- 1994-06-06 HU HUP9503574A patent/HU216096B/hu not_active IP Right Cessation
- 1994-06-06 CA CA002165285A patent/CA2165285A1/en not_active Abandoned
- 1994-06-06 JP JP7501300A patent/JPH10508042A/ja not_active Ceased
- 1994-06-06 DK DK94918388T patent/DK0703969T3/da active
- 1994-06-06 ES ES94918388T patent/ES2109704T3/es not_active Expired - Lifetime
-
1998
- 1998-01-12 GR GR980400044T patent/GR3025871T3/el unknown
Non-Patent Citations (1)
| Title |
|---|
| See references of WO9429420A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CA2165285A1 (en) | 1994-12-22 |
| ES2109704T3 (es) | 1998-01-16 |
| PL312248A1 (en) | 1996-04-01 |
| CZ330395A3 (en) | 1996-05-15 |
| CZ286098B6 (cs) | 2000-01-12 |
| GR3025871T3 (en) | 1998-04-30 |
| WO1994029420A1 (de) | 1994-12-22 |
| DE59404733D1 (de) | 1998-01-15 |
| DK0703969T3 (da) | 1998-08-10 |
| ATE160817T1 (de) | 1997-12-15 |
| JPH10508042A (ja) | 1998-08-04 |
| EP0703969B1 (de) | 1997-12-03 |
| HU216096B (hu) | 1999-04-28 |
| PL178743B1 (pl) | 2000-06-30 |
| HU9503574D0 (en) | 1996-02-28 |
| DE4319798A1 (de) | 1994-12-22 |
| EP0703969A4 (de) | 1995-08-28 |
| HUT75585A (en) | 1997-05-28 |
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