EP1196536A1 - Alkalische, blockförmige reinigungsmittelformulierungen - Google Patents
Alkalische, blockförmige reinigungsmittelformulierungenInfo
- Publication number
- EP1196536A1 EP1196536A1 EP00982713A EP00982713A EP1196536A1 EP 1196536 A1 EP1196536 A1 EP 1196536A1 EP 00982713 A EP00982713 A EP 00982713A EP 00982713 A EP00982713 A EP 00982713A EP 1196536 A1 EP1196536 A1 EP 1196536A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- formulation
- detergent formulations
- formulations according
- proportion
- cleaning
- 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
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
- C11D3/044—Hydroxides or bases
-
- 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
-
- 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
- C11D17/0052—Cast 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
- C11D3/20—Organic compounds containing oxygen
- C11D3/2003—Alcohols; Phenols
- C11D3/2065—Polyhydric alcohols
-
- 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 present invention describes alkaline, solid, block-form detergent formulations which contain a complexing agent from the group of aminocarboxylic acids and an alkalinity donor from the group of alkali metal compounds, the quantitative proportion of potassium ions, based on the total proportion of alkali ions, in the Formulation is less than 10 mol%, as well as their use and methods for their preparation.
- alkaline, solid, block-shaped detergent formulations are known in the prior art. For example, they are used for cleaning in the institutional area, in textile laundries or for general surface cleaning. Such cleaning agent formulations are usually brought onto the market as solid blocks, cast in capsules, cartridges or other packaging, which weigh about 2 to 20 kg.
- an aqueous mixture which contains the individual components is generally heated in order to form a melt. As soon as the melt is present as a homogeneous mixture, possibly after the addition of additional auxiliaries, the melt is discharged into a casting mold, cooled and then the mixture is allowed to harden.
- Alkali metal hydroxides and / or alkali metal silicates or other alkali compounds are generally used as sources of alkalinity.
- complexing agents is also known in block-form detergent formulations of this type.
- Complexing agents based on aminocarboxylic acids are known for their good complexing properties. This group also includes ethylenediaminetetraacetic acid, also known by the abbreviation EDTA, and nitrilotriacetic acid, known as NTA.
- EP 555 218 B1 discloses a cleaning agent formulation which is in the form of an alkaline, block-like, solid product and contains at least a portion of an alkalinity source and a portion of a complexing agent based on aminocarboxylic acid.
- EP 555 218 B1 contains to solve the problem means that by setting the molar ratios of sodium to potassium salts of the amino carboxylic acids between 1: 0.1 and 1:12, the desired block-form detergent formulations are prepared and filled can, without the manufacturing and filling process being hindered by premature curing. A shift in the ratio to lower potassium contents leads to problems in the production process and when filling the mixture due to the mixture hardening too quickly.
- Detergent formulations containing complexing agents based on aminopolycarboxylic acids and containing only sodium hydroxide as the source of alkalinity tend to become solid within a few minutes after the addition of sodium hydroxide, whereas cleaning formulations containing only potassium hydroxide tend to become solid only after a very long time and often cure incompletely.
- the curing rate of the cleaning agent formulation should be slow enough to prevent the mixture from becoming solid during the manufacturing and filling process, on the other hand, however, unnecessary delays in the production process should also be prevented.
- a curing rate that results in a solid, block-shaped product within about 2 to 6 hours is sufficient to achieve both of the desired results.
- EP 555 218 B1 shows that for the production of solid, cast, block-form detergent formulations which contain a source of alkalinity and an aminocarboxylic acid-based complexing agent, it is necessary that at least 10 mol% and preferably 50 mol% of potassium hydroxide be obtained on the total molar amount of sodium and potassium hydroxide.
- potassium compounds Compared to the corresponding sodium compounds, however, potassium compounds have the disadvantage of an overall higher molecular weight. The result is that when identical amounts of weight of corresponding potassium and sodium compounds are used in the resulting detergent formulations, there is a lower molar proportion of potassium compound than the sodium compound. It is known that the proportion of hydroxide ions plays an important role in alkaline detergent formulations.
- the formulation containing sodium hydroxide contains an approximately 40% higher proportion of cleaning-active hydroxide ions.
- approximately 40% higher amounts by weight are required when using potassium hydroxide than when using sodium hydroxide.
- Another aspect is that the procurement costs for the raw material potassium hydroxide are many times higher than the procurement costs for the raw material sodium hydroxide.
- the present invention is accordingly based on the object of providing alkaline, solid, block-form detergent formulations which contain an aminocarboxylic acid-based complexing agent and an alkalinity donor from the group of the alkali metal compounds, the addition of potassium compounds to a large extent being avoided, and processes for the preparation these detergent formulations and their use.
- the present invention relates to alkaline, solid, block-form detergent formulations which a) one or more complexing agents from the group of aminocarboxylic acids in the form of their alkali salts, these preferably being at least partially and particularly preferably exclusively salts of ethylenediamine tetraacetic acid (EDTA), and b) one or more alkalinity donors from the group of the alkali metal compounds, preferably from the group of the alkali hydroxides, sodium hydroxide making up the main part with particular preference, and c) containing one or more organic polyhydroxy compounds with at least 4 OH groups in the molecule, the proportion of potassium ions, based on the total proportion of alkali ions in the detergent formulation is less than 10 mol%, preferably less than 5 mol%, particularly preferably less than 1 mol% and in the special case in the formulation of the solid detergent entirely on the addition of potassium compounds is waived.
- EDTA ethylenediamine tetraacetic acid
- freedom from potassium means that potassium compounds are not deliberately added.
- Solid, block-shaped detergent formulations are understood by the present invention to mean homogenized melts poured into molds or capsules or other packaging, which harden on cooling and are no longer flowable at room temperature.
- the cleaning agent formulations according to the invention contain, based on the entire formulation, more than 15% by weight alkali salt of ethylenediaminetetraacetic acid (EDTA), particularly preferably more than 25% by weight alkali salt of EDTA and in particular more than 35% by weight alkali salt by EDTA.
- EDTA ethylenediaminetetraacetic acid
- sodium hydroxide makes up more than 20% by weight and particularly preferably more than 30% by weight, based on the total formulation.
- the proportion of organic polyhydroxy compounds with at least 4 OH groups in the molecule is 0.1 to 10% by weight, and particularly preferably 1 to 5% by weight, based on the entire formulation
- the Polyhydroxide compounds according to the invention are preferably selected from the group of carbohydrates, which particularly preferably originate from the group of saccharides, and in particular are selected from the monosaccharides, glucose, arabinose, ribulose, fructose and / or the oligo- and / / derived therefrom or polysaccharides and, in the special case, at least a proportion of sucrose, wherein in the very special case they contain exclusively sucrose.
- the cleaning agent formulation according to the invention can contain further components selected from the group of surfactants, carbonates, sulfates, silicates, bleaches, phosphonic acids, polycarboxylic acids and other components with complex-forming properties which do not come from the group of aminoarboxylic acids.
- the bleaching agents are preferably based on customary active oxygen compounds such as percarbonates or on active chlorine compounds and are usually coated so as not to disintegrate.
- special, particularly stable, uncoated bleaches, such as chloramine T is also possible.
- Another object of the invention is to provide the cleaning agent formulations according to the invention for the production of cleaning solutions for cleaning solid surfaces, preferably for the mechanical or manual cleaning of dishes, for cleaning membranes or for cleaning milking systems and for cleaning textiles use.
- Another object of the invention is to provide processes for the preparation of the cleaning agent formulations according to the invention, wherein a) 0 to 15% by weight of water, based on the formulation to be prepared, are initially introduced at 5 to 40 ° C. b) a sodium hydroxide solution with a proportion of sodium hydroxide of 5 to 30 wt .-%, based on the formulation to be prepared, is added, c) is heated to 40 to 80 ° C, and then in non-binding order d) if desired, solid sodium salt such as for example sodium chloride, sodium sulfate, sodium carbonate in a proportion of 1 to 5% by weight, based on the formulation to be prepared, is added, e) solid NaOH in the solution with a proportion of NaOH in the range from 15 to 78.9% by weight, based on the formulation to be prepared, f) further components and auxiliaries are added as necessary, g) an organic polyhydroxy compound with more than 4 OH groups in the molecule, preferably sucrose in a proportion of
- the optimum sequence of the manufacturing process can be determined by a specialist.
- the filling forms for the cleaning formulations according to the invention can be corresponding capsules, cartridges and other containers or packaging.
- the cooling process preferably takes place in cooling towers.
- the entire manufacturing process is preferably carried out so that the viscosity of the cleaning agent according to the invention after stirring for one hour after mixing the components is still below 10,000 mPas, measured with a Brookfield viscometer, spindle 6, at 50 revolutions per minute and 63 ° C. Examples:
- the product hardens too quickly.
- the formulation is not suitable to enable solid, block-shaped detergent formulations.
- Example 1 according to the invention achieves the object set for the invention, while Comparative Example 2 cures within a few minutes and can therefore not be made available.
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)
- Inorganic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Emergency Medicine (AREA)
- Detergent Compositions (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Description
Claims
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19933607 | 1999-07-17 | ||
| DE19933607A DE19933607A1 (de) | 1999-07-17 | 1999-07-17 | Alkalische, blockförmige Reinigungsmittelformulierungen |
| PCT/EP2000/006495 WO2001005930A1 (de) | 1999-07-17 | 2000-07-08 | Alkalische, blockförmige reinigungsmittelformulierungen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1196536A1 true EP1196536A1 (de) | 2002-04-17 |
| EP1196536B1 EP1196536B1 (de) | 2004-12-29 |
Family
ID=7915158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP00982713A Expired - Lifetime EP1196536B1 (de) | 1999-07-17 | 2000-07-08 | Alkalische, blockförmige reinigungsmittelformulierungen |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP1196536B1 (de) |
| AT (1) | ATE286116T1 (de) |
| DE (2) | DE19933607A1 (de) |
| WO (1) | WO2001005930A1 (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023014663A1 (en) | 2021-08-02 | 2023-02-09 | Ecolab Usa Inc. | Booster composition for cleaning fermentation equipment and methods of use |
| US20240306643A1 (en) * | 2023-03-17 | 2024-09-19 | Ecolab Usa Inc. | Alkoxide-based solidification using concentrated alkali metal hydroxides |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3519353A1 (de) * | 1985-05-30 | 1986-12-04 | Henkel KGaA, 4000 Düsseldorf | Schmelzblockfoermige, alkalihydroxidhaltige mittel fuer das maschinelle reinigen von geschirr und verfahren zu ihrer herstellung |
| US5340501A (en) * | 1990-11-01 | 1994-08-23 | Ecolab Inc. | Solid highly chelated warewashing detergent composition containing alkaline detersives and Aminocarboxylic acid sequestrants |
| JP2957024B2 (ja) * | 1991-05-20 | 1999-10-04 | ライオンハイジーン株式会社 | 自動洗浄機用注型固形洗浄剤およびその製造方法 |
| GB2283381B (en) * | 1993-10-29 | 1997-12-03 | Plessey Semiconductors Ltd | DC restoration circuit |
| AU685572B2 (en) * | 1993-12-30 | 1998-01-22 | Ecolab Inc. | Method of making highly alkaline solid cleaning compositions |
| US5858117A (en) * | 1994-08-31 | 1999-01-12 | Ecolab Inc. | Proteolytic enzyme cleaner |
| JPH09188899A (ja) * | 1995-11-06 | 1997-07-22 | Pola Chem Ind Inc | 石鹸組成物 |
| US6017864A (en) * | 1997-12-30 | 2000-01-25 | Ecolab Inc. | Alkaline solid block composition |
-
1999
- 1999-07-17 DE DE19933607A patent/DE19933607A1/de not_active Ceased
-
2000
- 2000-07-08 AT AT00982713T patent/ATE286116T1/de not_active IP Right Cessation
- 2000-07-08 DE DE50009128T patent/DE50009128D1/de not_active Expired - Lifetime
- 2000-07-08 EP EP00982713A patent/EP1196536B1/de not_active Expired - Lifetime
- 2000-07-08 WO PCT/EP2000/006495 patent/WO2001005930A1/de not_active Ceased
Non-Patent Citations (1)
| Title |
|---|
| See references of WO0105930A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2001005930A1 (de) | 2001-01-25 |
| DE50009128D1 (de) | 2005-02-03 |
| ATE286116T1 (de) | 2005-01-15 |
| EP1196536B1 (de) | 2004-12-29 |
| DE19933607A1 (de) | 2001-01-18 |
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