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EP1368095B1 - Liquide decontaminant basique, non aqueux - Google Patents

Liquide decontaminant basique, non aqueux Download PDF

Info

Publication number
EP1368095B1
EP1368095B1 EP02712886A EP02712886A EP1368095B1 EP 1368095 B1 EP1368095 B1 EP 1368095B1 EP 02712886 A EP02712886 A EP 02712886A EP 02712886 A EP02712886 A EP 02712886A EP 1368095 B1 EP1368095 B1 EP 1368095B1
Authority
EP
European Patent Office
Prior art keywords
alkali metal
aliphatic
decontaminating fluid
fluid
decontamination
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
EP02712886A
Other languages
German (de)
English (en)
Other versions
EP1368095A1 (fr
Inventor
Siegfried Franke
Helmut Stelzmüller
Hans-Joachim TÖPFER
Frank Ritscher
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.)
Kaercher Futuretech GmbH
Original Assignee
Kaercher Futuretech GmbH
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 Kaercher Futuretech GmbH filed Critical Kaercher Futuretech GmbH
Publication of EP1368095A1 publication Critical patent/EP1368095A1/fr
Application granted granted Critical
Publication of EP1368095B1 publication Critical patent/EP1368095B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
    • A62D3/00—Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances
    • A62D3/30—Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances by reacting with chemical agents
    • A62D3/36—Detoxification by using acid or alkaline reagents
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
    • A62D3/00—Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances
    • A62D3/30—Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances by reacting with chemical agents
    • 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
    • C11D17/0004—Non aqueous liquid compositions comprising insoluble particles
    • 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
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
    • A62D2101/00—Harmful chemical substances made harmless, or less harmful, by effecting chemical change
    • A62D2101/02—Chemical warfare substances, e.g. cholinesterase inhibitors

Definitions

  • the invention relates to a basic, non-aqueous decontamination fluid, as it finds use as a detoxifier with universal action against chemical warfare agents for the detoxification of military and civilian technical means and equipment, buildings, roads, etc.
  • Examples of such basic, non-aqueous decontamination fluids are known from US Patent 3,079,346 or German Patent DD 299 458 A7. Their basicity is due to the Alkalialkoxide contained therein (alkali metal alkoxides, Alkalialkanolate) and their anions. These are the predominantly reactive components for the conversion of military and terroristically useful toxic contaminants, such as Loste chemical compounds (such as sulfur-iselst), fluorophosphorus organyls (such as Soman) or thiocholine phosphorus organyls (e.g. B. VX).
  • Loste chemical compounds such as sulfur-iselst
  • fluorophosphorus organyls such as Soman
  • thiocholine phosphorus organyls e.g. B. VX
  • Object of the present invention is to propose a decontamination fluid of the type described above, which can be used sparingly on the one hand and painted surfaces on the other, with plastic / elastomer coated surfaces, especially of metals, plastics and elastomers in the required treatment times or not essentially attacks.
  • This object is achieved according to the invention in the basic, non-aqueous decontamination liquid described above in that it contains 0.5 to 2.6 mol / l of an alkali metal alkoxide (alkali metal alkoxide, alkali alkoxide) and / or an alkali metal aminoalkoxide (alkali metal amino alcoholate, alkali metal monoalkoxide) in a formulation
  • This formulation includes: 20 to 40 % By weight of an aliphatic C 2 -C 6 -alcohol; 20 to 40 % By weight of an aliphatic C 2 -C 6 aminoalcohol and 20 to 50 % By weight of a cyclic C 2 -C 5 acid amide and / or an aliphatic C 2 -C 6 diamine.
  • the decontamination liquid of the invention contains a chemical equilibrium system of the aliphatic alcohols and the amino alcohols, their alkali metal oxides and their ions.
  • the decontamination fluid according to the invention can be used with conventional, suitable military and civil decontamination equipment for decontamination of military technology, aircraft, ships and rail vehicles, facilities such as buildings, roads, taxiways, as well as laboratory equipment.
  • the non-aqueous decontamination fluid according to the invention is more reactive than the previously known decontamination fluids because of its strong basicity. This justifies their better effectiveness and a lower application rate per area to be decontaminated.
  • the exposure times can be shortened, so that it is possible to avoid surface damage on surfaces to be decontaminated from plastics, elastomers, paints, etc. Corrosion phenomena on metals and metal alloys do not occur even with prolonged exposure time.
  • the decontamination fluid known from US Pat. No. 3,079,346 has a highly hygroscopic effect, so that fog phenomena are possible even at low air humidity. This is reliably avoided with the decontamination liquid according to the invention.
  • the decontamination fluid of the invention can be rinsed with water from the treated surfaces, the water does not necessarily have to be applied with high pressure. Due to the smaller quantities that have to be applied per unit area of decontamination fluid, the water consumption during rinsing is a lesser.
  • the decontamination fluid known from DD 299 458 A7 is less basic than the decontamination fluid according to the invention and moreover contains N-methyl- ⁇ -caprolactam, which is less economical.
  • Preferred decontamination liquids according to the invention comprise at least one alkali metal alkoxide and one alkali metal aminoalkoxide, which are introduced by introduction (Addition) of the corresponding pure alkali metal or an alkali hydroxide are formed. But they can also be introduced by commercially available alkali metal alkoxides.
  • More preferred decontamination liquids contain as aliphatic alcohol propanols and / or butanols.
  • the amino alcohol component used is preferably 2-amino-1-butanol, N, N-dimethylaminoethanol and / or N-methyl-diisopropanolamine.
  • Preferred acid amides in the formulation of the basic, non-aqueous decontamination fluid according to the invention is N-methyl-2-pyrrolidone.
  • one or more co-solvents can be added to the decontamination fluid, such as up to 10% by weight of diols and / or up to 20% by weight of a liquid aliphatic or aromatic hydrocarbon.
  • the invention relates to a method for decontaminating surfaces, in particular painted, polymer-coated or plastic or elastomer surfaces, the method being characterized by the use of the above-described decontamination liquid according to the invention.
  • the decontamination liquid when using the decontamination liquid, as described above, amounts of from 0.05 to 0.2 l / m 2 surface are applied according to the type of contaminant and the estimated contamination density. Even with chemically relatively stable, highly toxic warfare agents, such low levels provide excellent decontamination results at contamination densities of 10 g per m 2 , even when the warfare agents are in thickened form and their exposure time is several hours.
  • the average contamination density was still 10840 mg / m 2 for the warfare agent Schwefelellost (HD) on the alkyd resin-coated metal plates.
  • the plates were sprayed with 0.1 l / m 2 of the decontamination liquid according to the invention after Formulation A. After 5 minutes exposure, the plates were warmed with warm water After treatment with water (about 80 ° C), the decontamination fluid is rinsed off.
  • Example 1 plates were contaminated with the chemical warfare agent VX. After the exposure time, the contamination density was 8030 mg VX / m 2 .
  • the treatment was also carried out with 0.1 l / m 2 of formulation A. After the exposure time of 5 minutes and the post-treatment with water (about 80 ° C), an average residual contamination of 3.6 mg VX / m 2 was found. This corresponds to a decontamination success of 99.96%.
  • Example 1 plates were contaminated with the chemical warfare agent Soman (GD). After the exposure time, the average contamination density was 4160 mg GD / m 2 .
  • GD chemical warfare agent Soman
  • the treatment was also carried out with 0.1 l / m 2 with the formulation A. After the exposure time of 5 minutes and the aftertreatment with water (about 80 ° C), the residual contamination averaged 98.8 mg GD / m 2 . This corresponds to a decontamination success of 97.53%.
  • Examples 1 to 3 were carried out here analogously with the decontamination fluid of formulation B.
  • the decontamination effect of these 3 chemical warfare agents was essentially the same as for Formulation A.
  • Examples 1 to 3 were carried out here analogously with the decontamination liquid of Formulation C. Overall, the decontamination effect was somewhat lower, averaging 98.3%, with the decontamination efficiency of the sulfur lello averaging 99.4% and the VX 99.8%, respectively.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • General Health & Medical Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Toxicology (AREA)
  • Organic Chemistry (AREA)
  • Paints Or Removers (AREA)
  • Fire-Extinguishing Compositions (AREA)
  • Cleaning By Liquid Or Steam (AREA)
  • Detergent Compositions (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)

Claims (11)

  1. Liquide décontaminant basique non aqueux, contenant
    20 à 40 % en poids d'un alcool aliphatique en C2 à C6 ;
    20 à 40 % en poids d'un aminoalcool aliphatique en C2 à C6 ;
    20 à 50 % en poids d'un amide d'acide cyclique en C2 à C5 et/ou d'une diamine aliphatique en C2 à C6 ; et
    0,5 à 2,6 mole/l d'un alcoxyde alcalin (alcoolate alcalin, alcanolate alcalin) et/ou d'un alcaliaminoalcanoxyde (alcaliaminoalcoolate, alcaliaminoalcanoate).
  2. Liquide décontaminant selon la revendication 1, caractérisé en ce que l'alcoolate alcalin est choisi parmi des alcoolates en C1 à C6.
  3. Liquide décontaminant selon la revendication 1, caractérisé en ce que les alcoxydes alcalins (alcoolates, alcanolates) et leurs ions sont formés par incorporation du métal alcalin pur correspondant ou d'un hydroxyde alcalin ou d'un alcoxyde alcalin du commerce aux composants du solvant.
  4. Liquide décontaminant selon l'une des revendications 1 à 3, caractérisé en ce que comme alcools aliphatiques, des propanols et/ou des butanols sont contenus.
  5. Liquide décontaminant selon l'une des revendications 1 à 4, caractérisé en ce que comme aminoalcools, du 2-amino-1-butanol, du N,N-diméthylaminoéthanol et/ou de la N-méthl-diisopropanolamine sont contenus.
  6. Liquide décontaminant selon l'une des revendications 1 à 5, caractérisé en ce que comme amides d'acide cyclique, de la N-méthyl-2-pyrrolidone est contenue.
  7. Liquide décontaminant selon l'une des revendications 1 à 6, caractérisé en ce que le liquide contient en outre
    jusqu'à 10 % en poids d'un diol ; et/ou
    jusqu'à 20 % en poids d'un hydrocarbure liquide aliphatique ou aromatique comme co-solvants.
  8. Procédé pour la décontamination de surfaces, en particulier de surfaces peintes, revêtues de polymère, ou de plastique, caractérisé par l'application d'un liquide décontaminant selon une des revendications 1 à 7.
  9. Procédé selon la revendication 8, caractérisé en ce que le liquide décontaminant est appliqué en une quantité de 0,05 à 0,2 l/m2, en particulier pulvérisé.
  10. Procédé selon la revendication 8 ou 9, caractérisé en ce que l'on laisse agir le liquide décontaminant de 5 à 15 min, puis qu'on l'élimine par rinçage.
  11. Procédé selon l'une des revendications 8 à 10, caractérisé en ce que les surfaces traitées par le liquide décontaminant sont traitées ensuite par de l'eau froide, chaude ou très chaude, ou par de la vapeur surchauffée et que ce faisant, le liquide décontaminant et les produits de réaction sont éliminés par rinçage.
EP02712886A 2001-03-14 2002-02-02 Liquide decontaminant basique, non aqueux Expired - Lifetime EP1368095B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10112720 2001-03-14
DE10112720A DE10112720A1 (de) 2001-03-14 2001-03-14 Basische, nicht-wässrige Dekontaminationsflüssigkeit
PCT/EP2002/001095 WO2002072206A1 (fr) 2001-03-14 2002-02-02 Liquide decontaminant basique, non aqueux

Publications (2)

Publication Number Publication Date
EP1368095A1 EP1368095A1 (fr) 2003-12-10
EP1368095B1 true EP1368095B1 (fr) 2006-11-22

Family

ID=7677737

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02712886A Expired - Lifetime EP1368095B1 (fr) 2001-03-14 2002-02-02 Liquide decontaminant basique, non aqueux

Country Status (7)

Country Link
US (1) US20040096415A1 (fr)
EP (1) EP1368095B1 (fr)
JP (1) JP4313043B2 (fr)
KR (1) KR20030086304A (fr)
AT (1) ATE345851T1 (fr)
DE (2) DE10112720A1 (fr)
WO (1) WO2002072206A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7214836B2 (en) * 2003-03-12 2007-05-08 Queen's University At Kingston Method of decomposing organophosphorus compounds
DE102004044622B4 (de) * 2004-09-13 2016-07-21 Owr Ag Entgiftungslösung, Verfahren zu ihrer Herstellung und Verfahren zur Entgiftung, sowie Verwendung der Entgiftungslösung

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2921031A (en) * 1942-05-30 1960-01-12 Scherr Harry Anti-vesicant composition
US2933453A (en) * 1946-05-09 1960-04-19 Jr Dana Burks Process for the decontamination of mustard gas-contaminated carbon fabric
US3079346A (en) * 1960-05-04 1963-02-26 John B Jackson Decontaminating solution
US3714349A (en) * 1965-12-14 1973-01-30 Us Navy Non-corrosive non-flammable,low toxic organophosphorus detoxifying solution
US3810788A (en) * 1966-02-15 1974-05-14 P Steyermark Method for decontaminating chemical warfare agents
US3810842A (en) * 1966-02-15 1974-05-14 Grace W R & Co Composition for decontaminating chemical warfare agents
US3634278A (en) * 1969-02-20 1972-01-11 Us Air Force Monoethanolamine-lithium decontaminating agent
DE2844271A1 (de) * 1978-10-11 1980-04-24 Bayer Ag 3-chlorostyryl-2,2-dimethyl-cyclopropancarbonsaeure-(4-fluoro-3-phenoxy- alpha -cyano-benzyl)-ester, verfahren zu ihrer herstellung und ihre verwendung als ektoparasitizide
DD299458A7 (de) * 1980-02-04 1992-04-23 Bundesamt Fuer Wehrtechnik Und Beschaffung,De Entgiftungsmittel mit universeller wirkung gegen chemische kampfstoffe
DD301726A9 (de) * 1989-01-04 1993-08-19 Berlin Chemie Ag Fluessigkeit zur entgiftung toxischer substanzen
DK169079B1 (da) * 1991-11-12 1994-08-08 Ebbe Damgaard Larsen I det væsentlige vandfrit middel til aflakering af emner af let korroderbare materialer, hvilket middel indeholder N-methyl-pyrrolidon, kaliumhydroxyd og en alkohol med 2-3 karbonatomer samt fremgangsmåde til dets fremstilling og anvendelse af dette
DE19606316A1 (de) * 1996-02-21 1997-08-28 Oekologische Sanierungs Und En Verfahren zur Behandlung von mit organischen Schadstoffen kontaminiertem Holz
DE19742297C2 (de) * 1997-09-25 2000-06-29 Volker Birke Verfahren zur reduktiven Dehalogenierung von halogenorganischen Stoffen
DE19903986A1 (de) * 1999-02-02 2000-08-10 Friedrich Boelsing Verfahren zur reduktiven Dehalogenierung von Halogenkohlenwasserstoffen
US6723349B1 (en) * 1999-10-12 2004-04-20 Emory University Polyoxometalate materials, metal-containing materials, and methods of use thereof

Also Published As

Publication number Publication date
KR20030086304A (ko) 2003-11-07
ATE345851T1 (de) 2006-12-15
EP1368095A1 (fr) 2003-12-10
JP2004532058A (ja) 2004-10-21
US20040096415A1 (en) 2004-05-20
DE50208780D1 (de) 2007-01-04
DE10112720A1 (de) 2002-10-02
WO2002072206A1 (fr) 2002-09-19
JP4313043B2 (ja) 2009-08-12

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