EP1817398A1 - Metallreiniger mit polyethylenimin - Google Patents
Metallreiniger mit polyethyleniminInfo
- Publication number
- EP1817398A1 EP1817398A1 EP05792155A EP05792155A EP1817398A1 EP 1817398 A1 EP1817398 A1 EP 1817398A1 EP 05792155 A EP05792155 A EP 05792155A EP 05792155 A EP05792155 A EP 05792155A EP 1817398 A1 EP1817398 A1 EP 1817398A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- range
- cleaning solution
- polyethyleneimine
- concentration
- 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
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- 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
- C11D3/43—Solvents
-
- 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
- C11D1/38—Cationic compounds
- C11D1/62—Quaternary ammonium 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
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/66—Non-ionic compounds
- C11D1/835—Mixtures of non-ionic with cationic compounds
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/20—Organic compounds containing oxygen
- C11D3/2068—Ethers
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/37—Polymers
- C11D3/3703—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C11D3/3723—Polyamines or polyalkyleneimines
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
- C23G1/04—Cleaning or pickling metallic material with solutions or molten salts with acid solutions using inhibitors
- C23G1/06—Cleaning or pickling metallic material with solutions or molten salts with acid solutions using inhibitors organic inhibitors
- C23G1/061—Cleaning or pickling metallic material with solutions or molten salts with acid solutions using inhibitors organic inhibitors nitrogen-containing compounds
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/14—Cleaning or pickling metallic material with solutions or molten salts with alkaline solutions
- C23G1/16—Cleaning or pickling metallic material with solutions or molten salts with alkaline solutions using inhibitors
- C23G1/18—Organic inhibitors
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/24—Cleaning or pickling metallic material with solutions or molten salts with neutral solutions
- C23G1/26—Cleaning or pickling metallic material with solutions or molten salts with neutral solutions using inhibitors
-
- 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
- C11D1/72—Ethers of polyoxyalkylene glycols
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D2111/00—Cleaning compositions characterised by the objects to be cleaned; Cleaning compositions characterised by non-standard cleaning or washing processes
- C11D2111/10—Objects to be cleaned
- C11D2111/14—Hard surfaces
- C11D2111/16—Metals
Definitions
- the invention relates to a cleaning agent (as a concentrate and as an application solution) for hard, especially metallic, surfaces. It thus represents a so-called industrial cleaner, in particular a so-called neutral cleaner. Because of its special combination of nonionic surfactants or glycol ethers and polyethyleneimine, it is low foaming and can therefore preferably be used as a spray cleaner in the entire application temperature range of about 15 to about 80 0 C. Furthermore, it is demulsifying and therefore easy to work up.
- Such industrial cleaners are mainly used in the automotive industry and their suppliers industries for cleaning and passivation mainly in spray cleaning equipment. They are suitable for intermediate and final cleaning of non-cutting as well as machined parts in aggregate and assembly plants. Practically all relevant materials, such as iron and steel, aluminum, silumin, copper, brass, zinc and plastics, can be treated and the majority of all contaminations on an organic or inorganic basis, such as cooling lubricants, anti-rust oils, processing oils, drawing aids, pigments and light metal abrasion, can be removed. Such cleaning agents can also find application in conventional dipping, but their use in the spray process is usually preferred.
- WO 95/03389 describes a cleaning agent for technical applications, the particular advantage of which is that low-polarity plastic surfaces are well wetted. This is essentially determined by the use of certain Amino acids causes.
- this agent contains nonionic surfactants, preferably selected from the group of ethoxylated and / or ethoxylated and propoxylated fatty alcohols.
- the detergent solution In many technical applications it is desirable for the detergent solution to have degrading properties. This means that oily impurities are very easily removed from the surfaces to be degreased, but that these impurities do not form a stable emulsion in the aqueous cleaner solution, but - at the working temperature or, if appropriate, after temperature adjustment and / or dilution - as oily phase on the aqueous Cleaner floating up. The oil phase can then be easily removed from the detergent solution, so that the service life of the detergent bath can be extended considerably. This property is particularly desired in the context of the present invention.
- Cleaner solutions according to the cited document WO 95/03389 may also have this property if they contain cationic surfactants, betaines and / or cationically modified polymers in amounts between 0.01 and 3% by weight.
- protonated PEI or methylated PEl are called. These polymers should have relatively high molecular weights in the range of 50,000 to 50,000,000, preferably between 75,000 and 5,000,000.
- EP-A-116 151 discloses a process for the regeneration of aqueous degreasing and cleaning solutions in which cationic surfactants or cationically modified polymers are added to the used and oil-laden cleaner solutions for emulsion splitting. These are intended to cause a breakdown of the emulsions present in the water.
- the selection list for cationic demulsifiers listed here contains i.a. protonated PEI. These should also have molecular weights, as indicated in the above-cited WO document. According to this teaching, therefore, the PEI is not present from the outset in the cleaning solution and thus during the actual cleaning process, but is added in a separate step to work up the used cleaning solution.
- WO 98/55578 low-foaming detergents for the technical cleaning of hard surfaces are known, which instead of the usual anionic or nonionic surfactants glycol ethers of the general formula RO- (CH 2 -CH (CH 3 ) -O) n -H, wherein R an alkyl radical having 1 to 4 C atoms or a phenyl radical and n is a number in the range from 1 to 5 mean.
- the cleaning agent described here contains cation surfactants, the weight ratio of the glycol ethers to the cationic surfactants being between 8: 1 and 100: 1. An addition of PEI is not mentioned here.
- the object of the present invention is to provide an improved cleaning agent and cleaning method for solid technical surfaces, in particular for metallic O- bervid available, for example, for corrosion protection or from previous processing steps such as a forming or a metal cutting machining with oils and / or Fats are dirty.
- This cleaning agent should be sufficiently foam-low in the application solution to be used in spraying processes, and at the same time have the properties described above. In this case, low foaming must be ensured even if adhere to the parts to be cleaned impurities containing foam-forming components. This is the case, for example, when the parts are contaminated with residues of coolant lubricant emulsions containing emulsifiers.
- the cleaning solution must retain its demulsifying properties. Since residues of very different cooling lubricant emulsions can be introduced into the cleaning solution during the cleaning of parts, low foaming and demulsifying action must be maintained reliably with respect to a wide range of emulsifier-containing cooling lubricants. Furthermore, the components of the cleaning agent should contain as few potentially corrosive ions (in particular chloride ions).
- the present invention relates to an aqueous cleaning agent concentrate and the ready-to-use cleaning solution which can be prepared therefrom.
- the present invention relates to a method for cleaning metallic surfaces soiled with oils and / or fats.
- the invention relates to an aqueous detergent concentrate containing a) water, b) glycol ethers of the general formula
- RO- (CH 2 -CH (CHa) -O) n -H where R is an alkyl radical having 1 to 4 C atoms or a phenyl radical and n is a number in the range from 1 to 5 and / or nonionic surfactants and c) polyethyleneimine and d) cationic surfactants.
- the agent may therefore contain either the abovementioned glycol ethers or nonionic surfactants or a mixture thereof.
- glycol ethers are to be used, the same glycol ethers are suitable for this purpose, which are more closely characterized in the cited document WO 98/55578. Accordingly, glycol ethers are preferred in which n is a number in the range of 1 to 3. Examples of these are: tripropylene glycol monoethyl ether, dipropylene glycol n-butyl ether, tripropylene glycol n-butyl ether and propylene glycol phenyl ether. Tripropylene glycol monomethyl ether and tripropylene glycol n-butyl ether are preferred.
- nonionic surfactants are used as component (b), preference is given to using ethoxylates, propoxylates and / or ethoxylates / propoxylates of fatty alcohols.
- Fatty alcohols are alkyl alcohols having 6 to 22, in particular having 8 to 18 carbon atoms in the alkyl radical.
- the alkyl radicals are preferably linear, but may also be branched. They can be saturated or mono- or polyunsaturated. It is possible to use fatty alcohol alkoxylates with only one alkyl radical or those having different alkyl radicals, such as are derived from the fatty acids in naturally occurring vegetable or animal fats and oils.
- the degree of alkoxylation is generally in the range from about 1.5 to about 20.
- propoxylates of fatty alcohols in which at least 50% of the alkyl radicals represents a mono- or poly-unsaturated alkyl radical having 18 carbon atoms.
- at least 50% of the alkyl radicals are oleyl radicals.
- Particular preference is given to propoxylates of fatty alcohols in which at least 80% of the alkyl radicals are oleyl radicals.
- the degree of propoxylation may be between about 1.5 and about 6, preferably between 1.5 and 3.
- polyethylenimine is commercially available from different manufacturers under different brand names.
- An overview of brand names and sources of supply as well as a more detailed description of polyethyleneimine can be found in the cited document US Pat. No. 5,904,735, column 16, line 49 to column 18, line 19. This is explicitly referred to here.
- polyethyleneimines of very different molecular weights are known, which may be between about 100 and about 5,000,000.
- the molecular weights can be determined by gel permeation chromatography.
- polyethylenimine may be linear or branched. Further- They may be present in cationic, that is in protonated form together with a counterion or in neutral form. In the context of the present invention, the neutral form is preferred, since then no additional anions are required.
- cationic surfactants d may improve the demulsifying effect of PEI.
- cationic surfactants are, for example, quaternary organic ammonium compounds which have at least one alkyl radical having at least 10 carbon atoms.
- Suitable counterions are, for example, chloride ions or preferably carboxylate ions, for example propionations.
- the positive charge on the nitrogen atom can be brought about not only by a quaternization with 4 alkyl radicals, but also by protonation of a tertiary amine.
- Suitable cationic surfactant is, for example, lauryldimethylbenzylammonium chloride or N, N-didecyl-N-methylpoly (oxyethyl) ammonium propionate.
- Preferred concentration ranges of the individual active ingredients in the detergent concentrate are:
- Glycol ether b 0.5 to 20% by weight
- the molecular weight of the polyethyleneimine (determined by gel permeation chromatography) can vary over a wide range, for example between 800 and 750,000. It has been found, however, that PEI with a very low or very high molecular weight has a demulsifying effect compared to a smaller number of entrained types of cooling lubricant than PEI having a molecular weight in the range of between about 1200 and less than 50 000. To ensure broad applicability of the cleaning agent concentrate - It is preferred that the polyethyleneimine c) has an average molecular weight which is greater than 700, preferably greater than 1200, in particular greater than 2000, and which is less than 50 000, preferably less than 35 000. In particular, the molecular weight in the range of 5,000 to 25,000.
- the PEI is at least in the form in which it is mixed with the other active ingredients of the cleaning concentrate, preferably not more than 10%, in particular not more than 1% and preferably not at all protonated, quaternized or alk oxyliert (where Percentage refers to the total number of nitrogen atoms of the PEI polymer). For an alkoxylation, a deteriorated demulsifying effect would be expected. Protonation or quaternization, d. H. a conversion to a cationic state is not required for the demulsifying effect. By dispensing with protonation or quaternization, it is avoided that the corresponding anions then also enter the cleaning agent concentrate and thus the cleaning solution. As a result, an unnecessary salt contamination of the cleaning solution is avoided on the one hand. On the other hand, it reduces the corrosivity of the cleaning solution, which can be caused by the counterions of the cationically modified PEI.
- the detergent concentrate additionally contains 5 to 60 wt .-% corrosion inhibitors.
- corrosion inhibitors for example, alkanolamines can be used. Monoethanolamine, monoisopropanolamine, triethanolamine, triisopropanolamine or mixtures thereof are preferably used here. Dialkanolamines would also be useful because of their excellent corrosion protection. For toxicological reasons (risk of nitrosamine formation), however, the use of dialkanolamines is nowadays avoided.
- the corrosion inhibitors may be selected from branched or unbranched, saturated or unsaturated aliphatic carboxylic acids having 6 to 10 carbon atoms and / or from aromatic carboxylic acids having 7 to 10 carbon atoms.
- the carboxylic acids are largely present as anions.
- alkali metal ions such as in particular sodium or potassium ions, but preferably the cations of the alkanolamines listed above can be used.
- carboxylic acids examples include caproic acid, caprylic acid, ethylhexanoic acid, heptanoic acid, isononanoic acid and benzoic acid or derivatives thereof, in particular 3-nitrobenzoic acid or 4-hydroxybenzoic acid.
- the cleaning agent concentrates may contain: builders such as alkali metal orthophosphates, polyphosphates, silicates, borates, carbonates, polyacrylates and gluconates. Some of these building substances also have complexing properties and thus have a water-softening effect. Instead of or in addition to this, stronger complexing agents such as, for example, 1-hydroxyethane-1, 1-diphosphonic acid or 2-phosphonobutane-1,2,4-tricarboxylic acid can be used. Ethylenediaminetetraacetates and nitrilotriacetates may also be used but may lead to wastewater treatment problems. If desired, biocides can be added in order to protect the cleaning agent concentrates and the application solutions prepared therefrom against microbial contamination.
- builders such as alkali metal orthophosphates, polyphosphates, silicates, borates, carbonates, polyacrylates and gluconates.
- the cleaning agent characterized above constitutes a concentrate from which the ready-to-use cleaning solution can be prepared by dilution.
- the cleaning solution can be prepared by dissolving the individual active components in water in the required concentration range.
- the manufacturer it is customary for the manufacturer to supply concentrates which contain all the active ingredients in the required quantity ratio and from which the user can prepare the ready-to-use cleaning solution by simple dilution with water.
- the invention also includes a ready-to-use aqueous cleaning agent, which is obtainable in that the cleaning concentrate according to one or more of claims 1 to 8, as described in more detail above, in the ratio of about 1: 200 to about 1: 20 with Water diluted (ie diluted 0.5 to 5 parts by weight of concentrate with 99.5 to 95 parts by weight of water).
- this aqueous cleaning agent is used for degreasing metal parts in spray systems, for which purpose a temperature in the range from about 15 to about 80 ° C.
- the present invention relates to a process for cleaning metallic surfaces soiled with oils and / or fats, which comprises contacting the surfaces with an aqueous cleaning solution containing b) glycol ethers of the general formula
- RO- (CH 2 -CH (CH 3) -O) n -H where R is an alkyl radical having 1 to 4 C atoms or a phenyl radical and n is a number in the range from 1 to 5 and / or nonionic surfactants and c) Polyethyleneimine contains.
- the cleaning solution used in this process may additionally contain cationic surfactants and / or corrosion inhibitors and / or further active ingredients (builders, complexing agents), as also described above.
- the above explanations for preferred molecular weight ranges of the PEI and the preferred embodiment that the PEI is neither protonated nor quaternized nor alkoxylated apply correspondingly to the cleaning solution used in the cleaning process.
- a cleaning solution is used in the cleaning method according to the invention, in which the individual constituents are present in the following concentration ranges:
- Glycol ether b 0.002 to 4% by weight
- cationic surfactants are present, they are preferably present in the concentration range from 0.00005 to 0.05% by weight, preferably in the range from 0.0002 to 0.025% by weight.
- Optional corrosion inhibitors preferably have concentrations in the range of 0.025 to 2% by weight.
- the surfaces are brought into contact with the aqueous cleaning solution by immersion or preferably by spraying.
- the aqueous cleaning solution preferably has a temperature in the range of about 15 to about 80 0 C and in particular in the range of about 40 to about 70 0 C.
- oil or grease floats on the cleaning solution, especially when either the cleaning process is interrupted or when a calming zone with low turbulence is provided, in which oil or grease can separate from the aqueous cleaning solution.
- the floating oil or grease is removed continuously or discontinuously so that the cleaning solution so treated can continue to be used for cleaning.
- VE water means: demineralized water
- EO ethylene oxide
- PO propylene oxide
- the addition amounts of PEI to the cleaners (concentrates) indicated in the examples always refer to the added amount of a 50% strength by weight aqueous PEI solution.
- the actual PEI concentrations in the cleaners are then half of it.
- Part 1 Cleaning tests.
- Detergent solution 1% by weight of the PEI types given in Table 1 were added to Cleaner 1 (concentrate) and the cleaner was added at a concentration of 20 g / l in water in order to obtain the detergent solution.
- the cleanser solution Before the cleaning process, the cleanser solution is charged with 3 g / l of oil (mixture of equal parts from Antikorit R RP 4107S from Fuchs, Enerpar R 3036 from BP and Myritol R 318 from Cognis) by adding this oil mixture for 2 min Ultra Turrax is mixed into the detergent bath at 20,000 revolutions per minute.
- oil mixture of equal parts from Antikorit R RP 4107S from Fuchs, Enerpar R 3036 from BP and Myritol R 318 from Cognis
- the demulsifying effect was checked by adding different commercial oil-containing cooling lubricant emulsions from different manufacturers to the cleaner solutions.
- the coolants and the results are listed in Table 2.
- a corresponding amount (see table) PEI was made up. 20 g of the PEI-added detergent concentrate were made up to 1 liter with tap water. To 200 ml of this solution were added with stirring (about 500 revolutions per minute) at ambient temperature, 20 ml of a 5% coolant emulsion (stated in tap water) within 5 seconds and the stability of the E-emulsion after another 10 minutes of stirring judged. Demulsification occurs as the emulsion droplets agglomerate and begin to settle on the surface after the stirrer has been shut off.
- both a nonionic surfactant and a cationic surfactant are added as indicated in the table, and a foaming test is carried out in a spray-washer.
- a 2gew-% cleaning solution in tap water about 16 ° dH
- 4 l of this solution were sprayed at 50 ° C. in a single-jet spray system with a starting injection pressure of 10 bar for a period of 10 minutes.
- the pressure as well as the foam height was measured, which is defined as the height of the foam above the liquid level in the initial state.
- Cationic surfactants K 1 Lauryldimethylbenzylammonium chloride
- K 2 N, N-didecyl-N-methyl-poly (oxyethyl) ammonium propionate
- Cationic surfactants cause the spray pressure to drop during operation, and the foam development is significantly lower. This is all the more remarkable, since cationic surfactants foaming strongly on their own.
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Materials Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Emergency Medicine (AREA)
- Detergent Compositions (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102004057623A DE102004057623A1 (de) | 2004-11-29 | 2004-11-29 | Metallreiniger mit Polyethylenimin |
| PCT/EP2005/009768 WO2006058570A1 (de) | 2004-11-29 | 2005-09-10 | Metallreiniger mit polyethylenimin |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1817398A1 true EP1817398A1 (de) | 2007-08-15 |
| EP1817398B1 EP1817398B1 (de) | 2012-02-01 |
Family
ID=35462267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP05792155A Expired - Lifetime EP1817398B1 (de) | 2004-11-29 | 2005-09-10 | Metallreiniger mit polyethylenimin |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20070270323A1 (de) |
| EP (1) | EP1817398B1 (de) |
| AT (1) | ATE543895T1 (de) |
| DE (1) | DE102004057623A1 (de) |
| WO (1) | WO2006058570A1 (de) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016135000A1 (en) | 2015-02-25 | 2016-09-01 | Basf Se | Process for cleaning soiled metal surfaces and substances useful for such process |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102006018216B4 (de) | 2006-04-18 | 2008-09-25 | Chemetall Gmbh | Verfahren zum demulgierenden Reinigen von metallischen Oberflächen |
| US20080274929A1 (en) * | 2007-05-01 | 2008-11-06 | Whitekettle Wilson K | Method for removing microbes from surfaces |
| DE102007000501A1 (de) * | 2007-10-15 | 2009-04-16 | Chemetall Gmbh | Reinigerzusammensetzung für metallische Oberflächen |
| WO2014086577A1 (en) * | 2012-12-04 | 2014-06-12 | Unilever N.V. | Hard surface cleaning composition |
| DE102015211020A1 (de) * | 2014-06-17 | 2015-12-17 | Chemetall Gmbh | Reinigungsmittel zur schonenden Entfernung von Tinten und Marker |
| CN104178772B (zh) * | 2014-08-11 | 2016-05-11 | 浙江久晟油茶科技股份有限公司 | 一种茶皂素水基金属清洗剂及使用方法 |
| EA201792172A1 (ru) * | 2015-04-10 | 2018-05-31 | Басф Се | Способ ингибирования коррозии металлических поверхностей |
| CN109267074B (zh) * | 2018-11-29 | 2020-12-22 | 苏州市神顺新晨科技有限公司 | 一种金属零件清洗剂 |
| CN111321419A (zh) * | 2020-04-13 | 2020-06-23 | 宿迁盾嘉生物科技有限公司 | 一种用于马口铁工艺中的脱脂剂及使用方法 |
| CN115821276A (zh) * | 2022-07-07 | 2023-03-21 | 中山市浩科化工科技有限公司 | 一种新能源金属用的强力清洗剂及其制备方法 |
| WO2024047074A1 (en) * | 2022-08-31 | 2024-03-07 | Chemetall Gmbh | Method of pre-treating metallic substrates |
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| DE3247431A1 (de) | 1982-12-22 | 1984-06-28 | Henkel KGaA, 4000 Düsseldorf | Verfahren zur regenerierung bzw. zum recycling von waessrigen entfettungs- und reinigungsloesungen |
| DE4014859A1 (de) * | 1990-05-09 | 1991-11-14 | Henkel Kgaa | Verwendung einer kombination ionischer und nichtionischer tenside |
| DE4136442A1 (de) * | 1991-11-06 | 1993-05-13 | Henkel Kgaa | Verfahren zum entfetten und reinigen metallischer oberflaechen und vorrichtung zu dessen durchfuehrung |
| US5372741A (en) * | 1991-11-27 | 1994-12-13 | Ethone-Omi, Inc. | Aqueous degreasing composition and process |
| US5328518A (en) * | 1991-12-06 | 1994-07-12 | Golden Technologies Company, Inc. | Method for separating components of liquids in industrial process |
| DE4324396A1 (de) | 1993-07-21 | 1995-01-26 | Henkel Kgaa | Reinigungsmittel mit hohem Benetzungsvermögen |
| US5614027A (en) * | 1994-09-23 | 1997-03-25 | Church & Dwight Co., Inc. | Metal cleaner with novel anti-corrosion system |
| CA2200747A1 (en) * | 1994-09-23 | 1996-03-28 | Alfredo Vinci | Aqueous metal cleaner |
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| DE19723990A1 (de) | 1997-06-06 | 1998-12-10 | Henkel Kgaa | Schaumarmes Reinigungsmittel |
| US5904735A (en) * | 1997-08-04 | 1999-05-18 | Lever Brothers Company | Detergent compositions containing polyethyleneimines for enhanced stain removal |
| DE10027634A1 (de) * | 2000-06-06 | 2001-12-13 | Basf Ag | Verwendung von kationisch modifizierten, teilchenförmigen, hydrophoben Polymeren als Zusatz zu Spül- oder Pflegemitteln für Textilien und als Zusatz zu Waschmitteln |
| DE10027638A1 (de) * | 2000-06-06 | 2001-12-13 | Basf Ag | Verwendung von kationisch modifizierten, teilchenförmigen, hydrophoben Polymeren als Zusatz zu Spül-, Reinigungs- und Imprägniermitteln für harte Oberflächen |
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| WO2003018732A1 (en) * | 2001-08-24 | 2003-03-06 | The Clorox Company | Improved cleaning composition |
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| US7255750B2 (en) * | 2003-03-24 | 2007-08-14 | The Clorox Company | Cleaner with soil flocculant |
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- 2004-11-29 DE DE102004057623A patent/DE102004057623A1/de not_active Ceased
-
2005
- 2005-09-10 WO PCT/EP2005/009768 patent/WO2006058570A1/de not_active Ceased
- 2005-09-10 EP EP05792155A patent/EP1817398B1/de not_active Expired - Lifetime
- 2005-09-10 AT AT05792155T patent/ATE543895T1/de active
-
2007
- 2007-05-25 US US11/753,903 patent/US20070270323A1/en not_active Abandoned
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| Title |
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| See references of WO2006058570A1 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016135000A1 (en) | 2015-02-25 | 2016-09-01 | Basf Se | Process for cleaning soiled metal surfaces and substances useful for such process |
| US10907259B2 (en) | 2015-02-25 | 2021-02-02 | Basf Se | Process for cleaning soiled metal surfaces and substances useful for such process |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102004057623A1 (de) | 2006-06-01 |
| EP1817398B1 (de) | 2012-02-01 |
| WO2006058570A1 (de) | 2006-06-08 |
| ATE543895T1 (de) | 2012-02-15 |
| US20070270323A1 (en) | 2007-11-22 |
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