EP1966363A1 - Korrosionsinhibierung flüssiger hypochlorithaltiger reinigungsmittel - Google Patents
Korrosionsinhibierung flüssiger hypochlorithaltiger reinigungsmittelInfo
- Publication number
- EP1966363A1 EP1966363A1 EP06819024A EP06819024A EP1966363A1 EP 1966363 A1 EP1966363 A1 EP 1966363A1 EP 06819024 A EP06819024 A EP 06819024A EP 06819024 A EP06819024 A EP 06819024A EP 1966363 A1 EP1966363 A1 EP 1966363A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- hypochlorite
- use according
- alkali metal
- cleaning agent
- alkali
- 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
- C11D3/395—Bleaching agents
- C11D3/3956—Liquid 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
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/02—Anionic compounds
- C11D1/12—Sulfonic acids or sulfuric acid esters; Salts thereof
- C11D1/29—Sulfates of polyoxyalkylene 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
- C11D3/0005—Other compounding ingredients characterised by their effect
- C11D3/0073—Anticorrosion 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
- C11D3/0005—Other compounding ingredients characterised by their effect
- C11D3/0084—Antioxidants; Free-radical scavengers
-
- 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
-
- 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 present invention relates to the reduction of corrosivity of hypochlorite on metal surfaces when using hypochlorite-containing liquid detergents for cleaning metal surfaces.
- Hard surface cleaners such as kitchen and bathroom cleaners, have historically been highly abrasive powders, optionally containing low levels of surfactants and properly referred to as scouring powders. They were aggressive not only to the user's hand, but also to the surface with which they were brought into contact for cleaning purposes. In some cases, a bleaching agent has been incorporated into such scrubbing powders to oxidatively break up soils and thereby facilitate their removability. Although modern abrasive cleaners are now much more skin-friendly in their composition, these cleaners still rely essentially on the action of Abrasivstoffs to remove stains, which in particular soap deposits, which are usually derived mainly from personal hygiene, from hard Remove surfaces such as bathroom tiles or sinks.
- hypochlorite is known to be a highly effective bleaching agent and has been used for a long time, optionally with soaps and / or synthetic surfactants, to remove stains and all sorts of soils from laundry to textiles as well as hard surface cleaning. It is normally sold in concentrations of about 2 to 10% by weight in water for household use. While the use of hypochlorite-containing agents an excellent disinfecting performance and very good Cleaning results achieved on hard surfaces, observed in sensitive cleaning in some cases, a change in the surface. This can range from a slight impairment of visual appearance to the appearance of pits in the surface or even pitting, with severe cases normally occurring only with improper application of the agent.
- the sensitive surfaces mentioned here include, in particular, those made of metal, for example steel surfaces, such as those found in kitchen sinks, as housing surfaces of domestic appliances or linings of kitchen or bathroom cabinets.
- metal for example steel surfaces, such as those found in kitchen sinks, as housing surfaces of domestic appliances or linings of kitchen or bathroom cabinets.
- hypochlorite detergent positively influences the corrosion behavior.
- the metal surface is a steel surface, since then the improvement effect of the combination used in the invention is particularly pronounced.
- the combination used according to the invention is preferably a constituent of the hypochlorite-containing cleaning agent.
- the cleaning agent contains 0.5 wt .-% to 10 wt .-%, in particular 2 wt .-% to 5.5 wt .-% alkali metal hypochlorite.
- alkali metal hypochlorites such as potassium hypochlorite
- sodium hypochlorite it is still preferable to use sodium hypochlorite in the present invention.
- aqueous sodium hypochlorite solutions often contain considerable amounts of chloride salts. These can readily be used for the preparation of corrosion-improved agents according to the invention, so that it is not necessarily dependent on the use of high-purity NaOCl.
- hypochlorite-containing agents are alkaline, it being preferred according to the invention, when the cleaning agent contains more than 0 wt .-% up to 5 wt .-%, in particular 0.1 wt .-% to 2 wt .-% alkali metal hydroxide.
- more than 0 wt .-% up to 5 wt .-%, in particular 0.1 wt .-% to 2.5 wt .-% alkali metal silicate in the agent is preferably, more than 0 wt .-% up to 5 wt .-%, in particular 0.1 wt .-% to 2.5 wt .-% alkali metal silicate in the agent. This not only improves the corrosion behavior but also increases the storage stability of the hypochlorite.
- alkyl (alkoxy) "- sulfate which may also be referred to as alkyl ether sulfate and by reacting alcohols (preferably having 6 to 22 carbon atoms) with alkylene oxides, in particular ethylene oxide, and subsequent Sulfation and neutralization, especially with alkaline alkali metal salts such as alkali metal hydroxides, is available.
- alcohols preferably having 6 to 22 carbon atoms
- alkylene oxides in particular ethylene oxide
- alkaline alkali metal salts such as alkali metal hydroxides
- the alkyl (alkoxy) n sulphate preferably has a C 8-I s-, particularly C 12- i 6 alkyl, -OCH 2 CH 2 - and / or -OCHCH 3 CH 2 - Alkoxygrupppe (n), wherein n is preferably a number from 1 to 6, in particular 2 to 5.
- the preferred alkali hydroxide is sodium hydroxide, and also the alkali salts mentioned in connection with the other ingredients of the compositions are preferably the sodium salts.
- the alkali metal silicate sodium silicate and / or the alkali metal counterion of the ether sulfate is the sodium ion.
- the cleaning agent may contain up to 5% by weight of additional bleach-stable surfactant.
- additional bleach-stable surfactant Preference is given to betaines, in particular those of the general formula I, R 2
- R 1 is an alkyl or alkenyl group having 6 to 22 carbon atoms or a group R 4 CO-NH- (CH 2 ) 1 -
- R 2 is hydrogen or an alkyl group having 1 to 4 carbon atoms
- R 3 is hydrogen or a
- R 4 is an alkyl or alkenyl group having 6 to 22 carbon atoms
- m is a number from 1 to 6
- n is a number from 1 to 3.
- particularly suitable representatives of this class of surfactants include C 8 12-1 - alkyl dimethyl betaine, coconut betaine commercially available as, and C] 0-I6 - alkyl dimethyl betaine, commercially available as laurylbetaine.
- the preparations may additionally contain sequestering agents, preferably phosphates, alkyl phosphates, alkylphosphonic acids and among these in particular those having at least one amine oxide substituent on the alkyl group, referred to herein as Aminoxidphosphonklaren, polyacrylic acids and / or phosphono-containing polyacrylic acids, which are also present in the form of their alkali metal salts can.
- sequestering agents preferably phosphates, alkyl phosphates, alkylphosphonic acids and among these in particular those having at least one amine oxide substituent on the alkyl group
- Aminoxidphosphonklaren phosphates, alkyl phosphates, alkylphosphonic acids and among these in particular those having at least one amine oxide substituent on the alkyl group
- Aminoxidphosphonklaren phosphates, alkyl phosphates, alkylphosphonic acids and among these in particular those having at least one amine oxide substituent on the alkyl group
- R 5 is hydrogen, a group - (CH 2 ) x (CHCH 3 ) y -NH 2 -> 0 or an alkali metal, x is a number from 1 to 4 and y is 0 or 1.
- Amine oxide phosphonic acids is the amine oxide based on aminotrimethylene phosphonic acid. Preferably, from 0.01% to 2% by weight of such sequestering agents are present.
- the agents contain 0.1% by weight to 2% by weight of carbonate, in particular alkali carbonate.
- the corrosion-improved preparations according to the invention may contain small amounts of one or more bleach-stable dyes or fragrances.
- the optional perfume component is preferably of higher relative volatility than the ingredients optionally responsible for a bleaching odor.
- the stabilized compositions according to the invention can be prepared in a simple manner by mixing the above-mentioned ingredients in the indicated amounts. They are applied after dilution with water or, if desired, also undiluted.
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)
- Biochemistry (AREA)
- Inorganic Chemistry (AREA)
- Detergent Compositions (AREA)
Abstract
Description
Claims
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL06819024T PL1966363T3 (pl) | 2005-12-29 | 2006-12-13 | Hamowanie korozji ciekłych, zawierających podchloryn środków czyszczących |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102005063065A DE102005063065A1 (de) | 2005-12-29 | 2005-12-29 | Korrosionsinhibierung flüssiger hypochlorithaltiger Reinigungsmittel |
| PCT/EP2006/011960 WO2007079881A1 (de) | 2005-12-29 | 2006-12-13 | Korrosionsinhibierung flüssiger hypochlorithaltiger reinigungsmittel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1966363A1 true EP1966363A1 (de) | 2008-09-10 |
| EP1966363B1 EP1966363B1 (de) | 2012-10-24 |
Family
ID=37836934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP06819024A Active EP1966363B1 (de) | 2005-12-29 | 2006-12-13 | Korrosionsinhibierung flüssiger hypochlorithaltiger reinigungsmittel |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20080274934A1 (de) |
| EP (1) | EP1966363B1 (de) |
| DE (1) | DE102005063065A1 (de) |
| ES (1) | ES2394363T3 (de) |
| PL (1) | PL1966363T3 (de) |
| WO (1) | WO2007079881A1 (de) |
Family Cites Families (34)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3393153A (en) * | 1965-12-20 | 1968-07-16 | Procter & Gamble | Novel liquid bleaching compositions |
| US3655566A (en) * | 1970-03-05 | 1972-04-11 | Purex Corp Ltd | Bleach having stable brighteners |
| US3666680A (en) * | 1970-03-05 | 1972-05-30 | Purex Corp Ltd | Method of combining optical brighteners with polymers for stability in bleach and encapsulated product |
| US4193888A (en) * | 1971-09-01 | 1980-03-18 | Colgate-Palmolive Company | Color-yielding scouring cleanser compositions |
| US3876551A (en) * | 1972-02-14 | 1975-04-08 | Int Flavors & Fragrances Inc | Perfumed aqueous hypochlorite composition and method for preparation of same |
| US4116849A (en) * | 1977-03-14 | 1978-09-26 | The Procter & Gamble Company | Thickened bleach compositions for treating hard-to-remove soils |
| US4117994A (en) * | 1977-06-21 | 1978-10-03 | Irvin Industries Canada Ltd. | Parachute with canopy opening assist and opening control |
| US4113645A (en) * | 1977-07-26 | 1978-09-12 | Polak's Frutal Works, Inc. | Bleach compositions containing perfume oils |
| US4388204A (en) * | 1982-03-23 | 1983-06-14 | The Drackett Company | Thickened alkali metal hypochlorite compositions |
| US5180514A (en) * | 1985-06-17 | 1993-01-19 | The Clorox Company | Stabilizing system for liquid hydrogen peroxide compositions |
| US4828723A (en) * | 1987-07-15 | 1989-05-09 | Colgate-Palmolive Company | Stable non-aqueous suspension containing organophilic clay and low density filler |
| US4830782A (en) * | 1987-08-31 | 1989-05-16 | Colgate-Palmolive Company | Hot water wash cycle built nonaqueous liquid nonionic laundry detergent composition containing amphoteric surfactant and method of use |
| GB8723675D0 (en) * | 1987-10-08 | 1987-11-11 | Unilever Plc | Sanitizer |
| US5139695A (en) * | 1988-01-14 | 1992-08-18 | Ciba-Geigy Corporation | Stable bleaching compositions containing fluorescent whitening agents |
| US4986926A (en) * | 1989-04-10 | 1991-01-22 | The Drackett Company | Thickened alkali metal hypochlorite compositions |
| US5034150A (en) * | 1989-05-03 | 1991-07-23 | The Clorox Company | Thickened hypochlorite bleach solution and method of use |
| US5185096A (en) * | 1991-03-20 | 1993-02-09 | Colgate-Palmolive Co. | Aqueous liquid automatic dishwashing detergent composition comprising hypochlorite bleach and bleach stabilizer |
| US5229027A (en) * | 1991-03-20 | 1993-07-20 | Colgate-Palmolive Company | Aqueous liquid automatic dishwashing detergent composition comprising hypochlorite bleach and an iodate or iodide hypochlorite bleach stabilizer |
| JP2721804B2 (ja) * | 1993-12-28 | 1998-03-04 | クリーンケミカル株式会社 | 医療機器用殺菌洗浄剤 |
| DE4413433C2 (de) * | 1994-04-18 | 1999-09-16 | Henkel Kgaa | Wäßrige Bleichmittel |
| MX9701631A (es) * | 1994-08-30 | 1997-06-28 | Procter & Gamble | Fotoblanqueamiento mejorado a partir de quelatadores. |
| DE19700799C2 (de) * | 1997-01-13 | 1999-02-04 | Henkel Kgaa | Wäßrige Textilbleichmittel |
| EP0991615B1 (de) * | 1997-06-27 | 2002-08-14 | The Procter & Gamble Company | Lineare acetale und ketale als duftstoffvorläufer |
| US6083892A (en) * | 1997-08-19 | 2000-07-04 | The Procter & Gamble Company | Automatic dishwashing detergents comprising β-ketoester pro-fragrances |
| EP0905223B2 (de) * | 1997-09-19 | 2011-04-06 | The Procter & Gamble Company | Selbstverdickende Bleichmittelzusammensetzungen |
| EP0903403B1 (de) * | 1997-09-19 | 2003-04-16 | The Procter & Gamble Company | Stabile Bleichmittelzusammensetzungen |
| EP0931829B1 (de) * | 1998-01-16 | 2004-11-24 | The Procter & Gamble Company | Stabile gefärbte verdickte Bleichmittelzusammensetzungen |
| US6448215B1 (en) * | 1998-01-16 | 2002-09-10 | The Procter & Gamble Company | Stable colored thickened bleaching compositions |
| DE19803054A1 (de) * | 1998-01-28 | 1999-07-29 | Henkel Kgaa | Bleich- und Desinfektionsmittel |
| US6506718B1 (en) * | 1998-09-01 | 2003-01-14 | The Procter & Gamble Company | Bleaching compositions |
| US6894015B1 (en) * | 1998-11-11 | 2005-05-17 | Procter & Gamble Company | Bleaching compositions |
| DE19855329A1 (de) * | 1998-12-01 | 2000-06-08 | Henkel Kgaa | Aktivchlorhaltige Zubereitungen mit stabilisierten optischen Aufhellern |
| KR100490564B1 (ko) * | 2002-07-23 | 2005-05-19 | 주식회사 메디슨 | 초음파 영상 신호로부터 장기를 인식하는 장치 및 방법 |
| ITMI20021693A1 (it) * | 2002-07-30 | 2004-01-30 | 3V Sigma Spa | Composizioni liquide stabilizzate contenenti cloro attivo |
-
2005
- 2005-12-29 DE DE102005063065A patent/DE102005063065A1/de not_active Ceased
-
2006
- 2006-12-13 ES ES06819024T patent/ES2394363T3/es active Active
- 2006-12-13 WO PCT/EP2006/011960 patent/WO2007079881A1/de not_active Ceased
- 2006-12-13 EP EP06819024A patent/EP1966363B1/de active Active
- 2006-12-13 PL PL06819024T patent/PL1966363T3/pl unknown
-
2008
- 2008-06-25 US US12/146,277 patent/US20080274934A1/en not_active Abandoned
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2007079881A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| ES2394363T3 (es) | 2013-01-31 |
| WO2007079881A1 (de) | 2007-07-19 |
| PL1966363T3 (pl) | 2013-03-29 |
| EP1966363B1 (de) | 2012-10-24 |
| US20080274934A1 (en) | 2008-11-06 |
| DE102005063065A1 (de) | 2007-07-12 |
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