EP2753403B1 - Mousse d'extinction d'incendie contenant du siloxane - Google Patents

Mousse d'extinction d'incendie contenant du siloxane Download PDF

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Publication number
EP2753403B1
EP2753403B1 EP12753148.1A EP12753148A EP2753403B1 EP 2753403 B1 EP2753403 B1 EP 2753403B1 EP 12753148 A EP12753148 A EP 12753148A EP 2753403 B1 EP2753403 B1 EP 2753403B1
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Prior art keywords
carbohydrate
solution
acid
surfactant
substituted
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German (de)
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EP2753403A1 (fr
Inventor
Dirk Blunk
Ralf Helmut HETZER
Angela Sager-Wiedmann
Kai Wirz
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Universitaet zu Koeln
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Universitaet zu Koeln
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    • 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
    • A62D1/00—Fire-extinguishing compositions; Use of chemical substances in extinguishing fires
    • A62D1/0071—Foams

Definitions

  • the present invention relates to the field of fire-extinguishing foams.
  • Fuels are the extinguishing water usually added special foaming agents. These have surface-active properties and, in contrast to conventional extinguishing foams, permit the self-wetting of the surface of the burned material. Therefore, such a so-called AFFF (Aqueous Film Forming Foams) extinguishing foams form as a special feature a film of water on the surface of the burning liquid. The resulting vapor barrier makes it more difficult for the combustible liquid to pass into the gas phase and thus maintain the fire or form ignitable or explosive gas mixtures.
  • AFFF Aqueous Film Forming Foams
  • the wetting ability characteristic of the AFFF foams also allows the foam to slide on the surface of the burning liquid so as to reach areas where the foam can not be applied directly.
  • the foam surface closes after failure (for example, by falling objects) again independently.
  • the film also flows and acts in areas that are not directly reached by foam.
  • PFOS perfluorooctylsulfonate
  • EU Directive 2006/122 / EC of 12.12.2006 limited Extinguishing foams with more than 50 ppm PFOS content must not be used in the EU.
  • various other polyfluorinated surfactants are used as substitutes for PFOS in AFFF. These surfactants are heretofore believed to be non-bioactive or at least less bioaccumulating and toxic.
  • a final assessment is still pending and the fundamental problem of persistence of polyfluorinated compounds remains intact.
  • a fire-extinguishing foam concentrate which comprises a surfactant according to claim 1, containing at least one substituted or unsubstituted carbohydrate or carbohydrate derivative and at least one oligosiloxane.
  • the term "containing" in this context means that both the carbohydrate or carbohydrate derivative and the oligosiloxane are subcomponents of a larger molecule and both are linked via covalent bonds to the remainder of the molecule.
  • A is a substituted or unsubstituted carbohydrate or carbohydrate derivative having one to four sugar units.
  • Preferred are mono-, di- and trisaccharides, i. one, two or three sugar units.
  • subcomponent A or parts of subcomponent A may also be derived from carbohydrate derivatives such as e.g. the sugar acids (aldonic acids, uronic acids or aldaric acids), sugar alcohols (alditols), aminosugars or cyclitols, and their ethers, esters, amides or thioesters.
  • carbohydrate derivatives such as e.g. the sugar acids (aldonic acids, uronic acids or aldaric acids), sugar alcohols (alditols), aminosugars or cyclitols, and their ethers, esters, amides or thioesters.
  • sugar moieties or “carbohydrate” is understood to mean, in particular, hexoses, pentoses or cyclitols, which (in the presence of di- or higher saccharides) are preferably linked to one another in a glycosidic manner.
  • the carbohydrates may be substituted or unsubstituted, with unsubstituted carbohydrates being preferred because of the resulting higher water solubility.
  • carbohydrates are substituted, ethyleneoxy, oligo (ethyleneoxy), methyl, ethyl, allyl or acetyl substituents are preferred.
  • Preferred carbohydrates or carbohydrate derivatives in the context of the present invention are for monosaccharides: glucose, glucosamine, fructose, galactose for disaccharides: maltose, isomaltose, sucrose, cellobiose, lactose, trehalose for trisaccharides: raffinose, maltotriose, isomaltotriose, maltotriulose, ciceritol for cyclitols: inositol, quebrachitol, pinitol in the case of sugar acids: gluconic acid, glucuronic acid, glucaric acid, tartaric acid, galactonic acid, galacturonic acid, maleic acid, mannuronic acid, mannaric acid, fructonic acid, fructuronic acid, fructaric acid, arabinonic acid, arabinuronic acid, arabinaric acid, xylonic acid, xyluronic acid, xylaric acid, rib
  • B is an optional linker substructure of at least one atom or chain, preferably of carbon and / or nitrogen and / or oxygen atoms (O-O bonds being excluded).
  • This chain may be a pure alkyl chain, i.
  • B is an unsubstituted or optionally alkyl-substituted alkylene radical.
  • B may also contain ether, ester or amide groups.
  • B may contain glycerol, poly- or oligoethylene glycol, poly- or oligopropylene glycol, pentaerythritol, alkylamines or carboxylic acids as a substructure.
  • B is preferably linked to residue A glycosidically via an anomeric carbon atom.
  • B may also be linked to A via an amide or ester bond.
  • residue C (the siloxane)
  • B is preferably linked via an Si-C or Si-O bond.
  • subcomponent B may also be omitted, i. if necessary, A and C are directly linked.
  • radical B-C or C may also be attached to other regiochemical positions of the carbohydrate or carbohydrate derivative A.
  • C is an oligosiloxane, preferably a di-, tri- or tetrasiloxane.
  • methyl and ethyl siloxanes or mixed siloxanes with methyl and ethyl radicals are preferred.
  • C is a tri- or higher siloxane
  • C may be linked to B (or optionally A) via one of the terminal siloxanes (forming a kind of "continuous chain")
  • C may be combined with B (or optionally A ) may also be linked via one of the medium siloxanes, so that a type of X- or T-shaped or branched structure forms.
  • the substructures AB or A joined to C may be the same or different.
  • C has one of the following structures: wherein each R, independently of one another, is ethyl or methyl and n is between 0 and 10, preferably between 0 and 5, more preferably 0, 1 or 2.
  • the fire-fighting foam concentrate also comprises one or more of the following constituents: foaming agents, film formers, film stabilizers, antifreeze preservatives and corrosion inhibitors, solubilizers and buffers.
  • foaming cosurfactants can be added.
  • these may be: linear alkylbenzenesulfonates, secondary alkanesulfonates, sodium alkylsulfonates, ⁇ -olefmsulfonates, sulfosuccinic acid esters, ⁇ -methyl ester sulfonates, alcohol ethoxylates, alkylphenol ethoxylates, fatty alcohol ethylene oxide / propylene oxide adducts, Glycoside surfactants (eg, glucopone, this is particularly preferred), lauryl sulfates, laureth sulfates, imidazolium salts, lauriminodipropionate, acrylic copolymers.
  • Suitable counterions for the anionic surfactants present in this list are, in particular, Li + , Na + , K + , NH 4 + , N (C 2 H 5 ) 4 +
  • the foaming agent concentrate may, inter alia, be admixed with the following constituents: polysaccharides, alginates, xanthan gum, starch derivatives
  • the foaming agent concentrate may be admixed with, inter alia, the following components: ethylene glycol, propylene glycol, glycerol, 1-propanol, 2-propanol, urea, inorganic salts
  • the foam concentrate may be admixed inter alia with the following components: Formaldehyde solution, alkylcarboxylic acid salts, ascorbic acid, salicylic acid, tolyltriazoles
  • the foam concentrate may be admixed with, inter alia, the following constituents: Butyl glycol, butyl diglycol, hexylene glycol
  • the present invention also relates to the use of a surfactant containing at least one substituted or unsubstituted carbohydrate or carbohydrate derivative and at least one oligosiloxane as an additive to fire-fighting foams and / or concentrates.
  • Example I relates to a surfactant according to the present invention having the structure:
  • Example II relates to a surfactant according to the present invention having the structure:
  • Example III relates to a surfactant according to the present invention having the structure:
  • Example IV relates to a surfactant according to the present invention having the following structure
  • Example V relates to a surfactant according to the present invention having the following structure
  • Example VI refers to a surfactant according to the present invention having the structure:
  • Example VII relates to a surfactant according to the present invention having the structure:
  • Example VIII relates to a surfactant according to the present invention having the structure:
  • Example IX relates to a surfactant according to the present invention having the structure:
  • Example X refers to a surfactant according to the present invention having the structure:
  • Example X The spreading behavior of a solution of 2 g / L Example X was investigated; it was found out that this connection is spreading. Similarly, for a solution of 2 g / L, Example X and 0.5 g / L SDS apply.
  • Example XI refers to a surfactant according to the present invention having the structure:
  • surfactants were selected which contain polyethylene glycol units instead of the carbohydrate residues.
  • surfactant I As comparison surfactant I, a surfactant was selected which contains polyethylene glycol units instead of the carbohydrate residues. It has the following structure:
  • siloxane glycoside surfactants shown in the examples can be prepared, inter alia, from the carbohydrates as follows: respectively.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Fire-Extinguishing Compositions (AREA)
  • Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)
  • Paints Or Removers (AREA)

Claims (4)

  1. Concentrât de mousse d'extinction d'incendie comprenant un tensioactif contenant au moins un hydrate de carbone substitué ou non substitué ou un dérivé d'hydrate de carbone ainsi qu'au moins un oligosiloxane, dans lequel le tensioactif comprend une molécule sélectionnée dans le groupe contenant
    Figure imgb0030
    Figure imgb0031
     ou des mélanges de ceux-ci,
    dans lequel A est un hydrate de carbone substitué ou non substitué ou un dérivé d'hydrate de carbone incluant de une à quatre unités de sucre,
    B représente une sous-structure optionnelle d'espaceur d'au moins un atome ou une chaîne et où C est un oligosiloxane.
  2. Concentrât selon la revendication 1, dans lequel C est un di-, tri- ou tetrasilixane.
  3. Concentrât selon la revendication 1 ou la revendication 2, dans lequel A représente un mono-, di- et trisaccharide, une ose acide, une osamine ou un cyclitol ou un éther, un ester, un amide ou un thioester de ces composés.
  4. Utilisation d'un tensioactif contenant au moins un hydrate de carbone substitué ou non substitué ou un dérivé d'hydrate de carbone ainsi qu'au moins un oligosiloxane comme additif pour des mousses d'extinction d'incendie et/ou des concentrâtes de celles-ci, dans lequel le tensioactif comprend une molécule sélectionnée dans le groupe contenant
    Figure imgb0032
    Figure imgb0033
     ou des mélanges de ceux-ci,
    dans lequel A est un hydrate de carbone substitué ou non substitué ou un dérivé d'hydrate de carbone incluant de une à quatre unités de sucre,
    B représente une sous-structure optionnelle d'espaceur d'au moins un atome ou une chaîne et où C est un oligosiloxane.
EP12753148.1A 2011-09-06 2012-09-03 Mousse d'extinction d'incendie contenant du siloxane Active EP2753403B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011053304A DE102011053304A1 (de) 2011-09-06 2011-09-06 Siloxanhaltiger Feuerlöschschaum
PCT/EP2012/067109 WO2013034521A1 (fr) 2011-09-06 2012-09-03 Mousse d'extinction d'incendie contenant du siloxane

Publications (2)

Publication Number Publication Date
EP2753403A1 EP2753403A1 (fr) 2014-07-16
EP2753403B1 true EP2753403B1 (fr) 2018-11-14

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EP12753148.1A Active EP2753403B1 (fr) 2011-09-06 2012-09-03 Mousse d'extinction d'incendie contenant du siloxane

Country Status (9)

Country Link
US (2) US9446272B2 (fr)
EP (1) EP2753403B1 (fr)
JP (1) JP2014526941A (fr)
AU (1) AU2012306469B2 (fr)
CA (1) CA2881929C (fr)
DE (1) DE102011053304A1 (fr)
ES (1) ES2709000T3 (fr)
RU (1) RU2595673C2 (fr)
WO (1) WO2013034521A1 (fr)

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DE102014112851A1 (de) * 2014-09-05 2016-03-10 Universität Zu Köln Siliziumhaltige organische Säurederivate als umweltfreundliche AFFF-Löschmittel
CN104607100B (zh) * 2015-01-23 2016-07-06 常熟理工学院 一种糖基改性氟硅表面活性剂及其制备方法
AU2017232921B2 (en) 2016-03-18 2021-02-18 Tyco Fire Products Lp Polyorganosiloxane compounds as active ingredients in fluorine free fire suppression foams
EP3490683A1 (fr) 2016-07-29 2019-06-05 Tyco Fire Products LP Compositions de mousse extinctrice contenant des solvants eutectiques profonds
US11117008B2 (en) 2018-04-24 2021-09-14 The Government Of The United States Of America, As Represented By The Secretary Of The Navy Siloxane and glucoside surfactant formulation for fire-fighting foam applications
CN114269439A (zh) * 2019-04-23 2022-04-01 泰科消防产品有限合伙公司 用于液体车辆系统的非氟化剂
AU2020342172A1 (en) * 2019-09-06 2022-04-14 Hiow San CHOO Composition and method for extinguishing fire
JPWO2021230143A1 (fr) * 2020-05-14 2021-11-18
CN111991744A (zh) * 2020-08-19 2020-11-27 西南石油大学 一种环保型无氟泡沫灭火剂及其制备方法
US11420083B2 (en) 2021-01-06 2022-08-23 The Government Of The United States Of America, As Represented By The Secretary Of The Navy Zwitterionic and glucoside surfactant formulations for fire-fighting foam applications
US11673010B2 (en) 2021-05-14 2023-06-13 Tyco Fire Products Lp Fire-fighting foam concentrate
US11673011B2 (en) 2021-05-14 2023-06-13 Tyco Fire Products Lp Firefighting foam composition
WO2022238787A1 (fr) 2021-05-14 2022-11-17 Tyco Fire Products Lp Composition de mousse d'extinction d'incendie
US11666791B2 (en) 2021-05-14 2023-06-06 Tyco Fire Products Lp Fire-fighting foam composition
US11497952B1 (en) 2021-05-14 2022-11-15 Tyco Fire Products Lp Fire-fighting foam concentrate
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Also Published As

Publication number Publication date
AU2012306469B2 (en) 2016-03-03
RU2595673C2 (ru) 2016-08-27
CA2881929C (fr) 2019-08-06
US9446272B2 (en) 2016-09-20
RU2014106757A (ru) 2015-10-20
JP2014526941A (ja) 2014-10-09
US20160332013A1 (en) 2016-11-17
DE102011053304A1 (de) 2013-03-07
ES2709000T3 (es) 2019-04-12
US20140306141A1 (en) 2014-10-16
AU2012306469A1 (en) 2014-04-03
US9687686B2 (en) 2017-06-27
EP2753403A1 (fr) 2014-07-16
CA2881929A1 (fr) 2013-03-14
WO2013034521A1 (fr) 2013-03-14

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