EP0119560B1 - Agent de blanchiment, de nettoyage et de désinfection à base d'hypohalite avec stabilité au stockage - Google Patents

Agent de blanchiment, de nettoyage et de désinfection à base d'hypohalite avec stabilité au stockage Download PDF

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Publication number
EP0119560B1
EP0119560B1 EP84102561A EP84102561A EP0119560B1 EP 0119560 B1 EP0119560 B1 EP 0119560B1 EP 84102561 A EP84102561 A EP 84102561A EP 84102561 A EP84102561 A EP 84102561A EP 0119560 B1 EP0119560 B1 EP 0119560B1
Authority
EP
European Patent Office
Prior art keywords
hypohalite
solutions
aqueous solutions
molar ratio
amidosulfonic acid
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.)
Expired - Lifetime
Application number
EP84102561A
Other languages
German (de)
English (en)
Other versions
EP0119560A2 (fr
EP0119560A3 (en
Inventor
Jürgen Dr. Schröder
Harald Stabl
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
B Braun Holding AG
Original Assignee
B Braun SSC AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by B Braun SSC AG filed Critical B Braun SSC AG
Priority to AT84102561T priority Critical patent/ATE51207T1/de
Publication of EP0119560A2 publication Critical patent/EP0119560A2/fr
Publication of EP0119560A3 publication Critical patent/EP0119560A3/de
Application granted granted Critical
Publication of EP0119560B1 publication Critical patent/EP0119560B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • C11D3/48—Medical, disinfecting agents, disinfecting, antibacterial, germicidal or antimicrobial 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
    • C11D3/395—Bleaching agents
    • C11D3/3951—Bleaching agents combined with specific additives
    • 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

Definitions

  • hypohalites preferably hypochlorites
  • hypochlorites have long been used in bleaching, cleaning and disinfecting agents.
  • hypochlorites form solutions of hypochlorous acid in water, which develop their bleaching effect through oxidation, preferably at pH values from 9 to 12.
  • the bleaching effect of the bleaching liquors increases with falling pH and temperature.
  • the disinfectant effect of hypochlorite solutions is based on the property of hypochlorous acid, which can diffuse through the cell walls of the bacteria and thus kill their vital components.
  • the disinfectant power is directly proportional to the concentration of HCIO, i.e. also a function of the pH (E. Heubach, G. Riess, H. Vogt, D. Bergner, Ullmann's Encyclopedia d. Techn. Chem., Vol. 8, 542 ff, Weinheim 1974).
  • hypochlorite-containing solutions The most important parameter for comparing hypochlorite-containing solutions is the mass content (in%) of active or effective chlorine. This is the amount of chlorine that is developed when hydrochloric acid is added: A serious disadvantage of hypohalites, especially hypochlorite, is their unsatisfactory storage stability. In many commercial products, it shows that the hypochlorites decompose with the elimination of oxygen according to the following equation: The effective chlorine content decreases due to the decomposition of the hypochlorite.
  • hypochlorites due to the strong oxidation effect of the hypochlorites, it is particularly difficult to find recipes for bleaching agents, cleaning agents and disinfectants in which stable organic surfactants, water hardness binders and builders are present in the presence of hypochlorite.
  • hypohalite solutions there are already a number of proposals for improving the stability of hypohalite solutions and for the selection of surfactants, water hardness binders and builders with improved storage stability compared to hypochlorite.
  • NH compounds such as, for. B. cyanamide, ethyl carbamate, urea and its derivatives and amides of organic carboxylic acids, sulfuric, phosphoric or boric acid.
  • NH compounds react with hypohalites to form N-halogen compounds, with educts and products being in a pH-dependent equilibrium with one another.
  • amidosulfonate as NH compound
  • hypochlorite ion the following reaction equations are mentioned, for example:
  • the equilibrium of this system favors the formation of N, N-dichlorosulfamate; however, the concentration of free hypochlorite is reduced, e.g. B. by their intended consumption, the balance is shifted back to the starting materials.
  • N, N-dichlorosulfamate formed according to these reaction equations decomposes in a strongly alkaline medium (pH> 11) with the formation of N 2 , sulfate and chloride, but the hydroxide ions released during its formation favor the achievement of a high pH value System added a buffer to adjust the pH in a range between 4 and 11, preferably between 7 and 11.
  • US Pat. No. 3,749,672 also shows that the stability of the N, N-dichlorosulfamate solutions is also influenced by the molar ratio between hypochlorite and N-H compound.
  • hypochlorite amidosulfonate system it is stated that at pH 9.5 the active chlorine content is greatest after 2 weeks' storage when the NaOCI / H2NS03 molar ratio is between 2.05 and 3.
  • US Pat. No. 4,201,687 describes the use of aqueous solutions of chlorimidodisulfate as a bleaching agent. Compared to hypochlorite solutions, these solutions are characterized by better stability.
  • the active chlorine content in the chlorine imidodisulfate systems is significantly higher, particularly at elevated storage temperatures and long storage times.
  • the stability of the solutions is pH-dependent; to maintain a pH of about 10 at which the active chlorine content reaches a maximum Buffering of the solutions to pH values between 9 and 11 is proposed.
  • US-A-2 438 781 discloses a molar ratio of hypohalite: NH compound which is substantially higher than 1: 1.
  • alkaline solutions of hypohalite at a pH-value> 11 can be stabilized by amidosulfonic acids when the molar ratio hypohalite: amidosulfonic acid ⁇ 1, 1.
  • the invention accordingly relates to aqueous solutions of hypohalites stabilized by amidosulfonic acid, which are characterized in that they have a pH> 11 and have a molar ratio of hypohalite: amidosulfonic acid of 1.1.
  • the invention also relates to bleaching agents, cleaning agents and disinfectants which contain such aqueous solutions in addition to conventional auxiliaries desired for these agents, such as surfactants, complexing agents, foam depressors, corrosion inhibitors and / or builders.
  • aqueous solutions according to the invention contain hypohalite in the form of the alkali salts of hypochlorous acid.
  • the solutions an alkali compound, for. B. added sodium hydroxide.
  • solutions of this composition according to the invention are compared with corresponding solutions which do not contain amidosulfonic acid to stabilize hypohaiite after prolonged storage at elevated temperatures, the solutions according to the invention have a significantly higher residual content of active chlorine in all cases.
  • the content of active chlorine is 98.7% of the initial content under identical storage conditions, while in solutions without stabilizing amidosulfonic acid the content decreases to less than 2/3 of the original value .
  • the active chlorine content is greater after a long storage period if amidosulfonic acids are added to the solutions according to the invention and the molar ratio of hypohalite to amidosulfonic acid is 1.1.
  • hypochlorite solutions to which amidosulfonic acid has been added in a molar ratio of hypohalite: amidosulfonic acid ⁇ 1 contain, in the presence of surfactants or other auxiliaries and under the same storage conditions, a residual content of active chlorine that is up to 50% higher than that found in solutions without amidosulfonic acid becomes.
  • selected surfactants show improved hypohalite stability.
  • aqueous solutions according to the composition according to the invention show a significantly reduced corrosion effect against metals. This effect can be further reduced by the targeted use of special corrosion inhibitors.
  • the molar ratio of hypohalite: NH compound was 1.04 in this example.
  • hypochlorite was carried out according to the method given in USP XX, p. 732 by reaction with iodide and titration of the iodine formed with thiosulfate.
  • test germs were examined: The tests were carried out in accordance with the guidelines of the German Society for Hygiene and Microbiology (DGHM). The shortest tested exposure time was 2.5 minutes. Result: With an application concentration of 1%, all test germs could be killed within 2.5 minutes.
  • DGHM German Society for Hygiene and Microbiology
  • test germs were examined: The investigations were carried out according to the guidelines of the DGHM. 20% serum was chosen as protein load. Result: The effectiveness was not significantly impaired by the presence of protein. Here, too, most test germs were killed after 2.5 minutes of exposure to a 1-96 solution.
  • test germs were examined: The investigations were carried out in accordance with the guidelines of the DGHM on batiste patches. In the germ carrier test with batiste lobes as well, the test germs were killed within a short exposure time by a 2% strength solution which had been prepared in accordance with Example 1.

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  • 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)
  • Agricultural Chemicals And Associated Chemicals (AREA)

Claims (5)

1. Solutions aqueuses à base d'hypohalogénites stabilisés avec un acide aminosulfonique, caractérisées en ce qu'elles ont un pH > à 11 et un rapport molaire hypohalogénite : acide aminosutfonique s 1,1.
2. Solutions aqueuses selon la revendication 1, caractérisées en ce qu'on utilise, de préférence, comme hypohalogénite, de l'hypochlorite.
3. Solutions aqueuses selon l'une des revendications 1 ou 2, caractérisées en ce qu'elles ont un pH > 11, de préférence, > 13.
4. Solutions aqueuses selon l'une quelconque des revendications 1 à 3, caractérisées en ce que le rapport molaire hypohalogénite : acide aminosulfonique est de 1,04 à 0,70 : 1.
5. Agent de blanchiment, de nettoyage et de désinfection contenant des solutions aqueuses selon l'une quelconque des revendications 1 à 4 ainsi que des auxiliaires usuels souhaitables pour de tels milieux tels que tensioactif, formateur de complexe, suppresseur de mousse, inhibiteur de corrosion et/ou adjuvant. :
EP84102561A 1983-03-12 1984-03-09 Agent de blanchiment, de nettoyage et de désinfection à base d'hypohalite avec stabilité au stockage Expired - Lifetime EP0119560B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT84102561T ATE51207T1 (de) 1983-03-12 1984-03-09 Bleich-, reinigungs- und desinfektionsmittel auf hypohalitbasis mit verbesserter lagerstabilitaet.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3308850A DE3308850C2 (de) 1983-03-12 1983-03-12 Bleich-, Reinigungs- und Desinfektionsmittel auf Hypohalitbasis mit verbesserter Lagerstabilität
DE3308850 1983-03-12

Publications (3)

Publication Number Publication Date
EP0119560A2 EP0119560A2 (fr) 1984-09-26
EP0119560A3 EP0119560A3 (en) 1986-07-30
EP0119560B1 true EP0119560B1 (fr) 1990-03-21

Family

ID=6193286

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84102561A Expired - Lifetime EP0119560B1 (fr) 1983-03-12 1984-03-09 Agent de blanchiment, de nettoyage et de désinfection à base d'hypohalite avec stabilité au stockage

Country Status (3)

Country Link
EP (1) EP0119560B1 (fr)
AT (1) ATE51207T1 (fr)
DE (2) DE3308850C2 (fr)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3400989A1 (de) * 1984-01-13 1985-07-18 Basf Ag, 6700 Ludwigshafen Verfahren zum entschlichten von baumwolle und baumwollhaltigen geweben
DE3910921C1 (fr) * 1989-04-05 1990-05-17 Bayer Ag, 5090 Leverkusen, De
US5380458A (en) * 1992-10-02 1995-01-10 Colgate-Palmolive Co. Stabilized hypohalite compositions
AU4921896A (en) * 1995-03-03 1996-09-23 Procter & Gamble Company, The Cleaning compositions with reduced skin malodor
EP0743279A1 (fr) * 1995-05-16 1996-11-20 The Procter & Gamble Company Procédé pour la préparation de compositions de blanchiment à base d'hypochlorite
EP0743280A1 (fr) * 1995-05-16 1996-11-20 The Procter & Gamble Company Procédé pour la préparation de compositions de blanchiment à base d'hypochlorite
EP0778341A1 (fr) * 1995-12-07 1997-06-11 The Procter & Gamble Company Utilisation de composés amido dans des compositions de blanchiment halogénées pour améliorer la douceur de la peau
JP3098041B2 (ja) * 1995-12-07 2000-10-10 ザ、プロクター、エンド、ギャンブル、カンパニー 漂白組成物の製法
EP0783036A1 (fr) * 1995-12-07 1997-07-09 The Procter & Gamble Company Compositions de blanchiment vaporisables réduissant l'initiation du système respiratoire
US5723095A (en) * 1995-12-28 1998-03-03 Steris Corporation Cleaner concentrate formulation for biological waste fluid handling systems
CA2254799C (fr) * 1996-05-15 2003-02-11 The Procter & Gamble Company Procede de fabrication de compositions de blanchiment comprenant des sources de chlore et de brome et produit contenant ces compositions
US6037318A (en) * 1996-05-15 2000-03-14 The Procter & Gamble Company Process for manufacturing bleaching compositions comprising chlorine and bromine sources and product thereof
ES2276418T3 (es) * 1997-09-19 2007-06-16 THE PROCTER & GAMBLE COMPANY Procedimiento para blanquear tejidos.
CN101833251B (zh) * 2004-02-11 2013-11-13 安万托特性材料股份有限公司 含有卤素含氧酸、其盐及其衍生物的微电子清洗组合物及清洗方法
EP1840659A3 (fr) 2004-02-11 2009-12-02 Mallinckrodt Baker, Inc. Composition pour substrats de nettoyage microélectroniques contenant des acides oxygène halogène et leurs dérivés
DE102007017655A1 (de) * 2007-04-12 2008-10-16 Henkel Ag & Co. Kgaa Verwendung von Acylharnstoffen in Wasch- und Reinigungsmittlen

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2438781A (en) * 1944-09-07 1948-03-30 Boyle Midway Inc Stabilized hypochlorite solutions and process therefor
US3749672A (en) * 1971-04-19 1973-07-31 Du Pont Stabilized solutions of n-halo compounds
JPS5795806A (en) * 1980-12-02 1982-06-14 Kureha Chem Ind Co Ltd Using method for alkali salt of hypochlorous acid

Also Published As

Publication number Publication date
EP0119560A2 (fr) 1984-09-26
DE3308850A1 (de) 1984-09-13
DE3308850C2 (de) 1985-03-07
ATE51207T1 (de) 1990-04-15
EP0119560A3 (en) 1986-07-30
DE3481702D1 (de) 1990-04-26

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