EP1022941A1 - Systeme a base d'un biocide et d'un silicone polyether et son utilisation pour la desinfection des surfaces dures - Google Patents
Systeme a base d'un biocide et d'un silicone polyether et son utilisation pour la desinfection des surfaces duresInfo
- Publication number
- EP1022941A1 EP1022941A1 EP98949054A EP98949054A EP1022941A1 EP 1022941 A1 EP1022941 A1 EP 1022941A1 EP 98949054 A EP98949054 A EP 98949054A EP 98949054 A EP98949054 A EP 98949054A EP 1022941 A1 EP1022941 A1 EP 1022941A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- biocidal
- aqueous
- biocide
- water
- alkyl
- 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.)
- Withdrawn
Links
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
- A01N25/24—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests containing ingredients to enhance the sticking of the active ingredients
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N33/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic nitrogen compounds
- A01N33/02—Amines; Quaternary ammonium compounds
- A01N33/12—Quaternary ammonium compounds
Definitions
- the present invention relates to an aqueous system based on a biocide and a polyorganosiloxane having polyether functions, as well as its use for the disinfection with a lasting effect of hard surfaces by slow, gradual release of said biocide after application, by contact with water from the treated surface.
- Aqueous biocidal compositions for the treatment of hard surfaces generally have the disadvantage of rapidly losing their effectiveness after their application, in particular when the treated surfaces are then washed.
- film-forming organic polymers in these compositions, in order to form, after application, a physical barrier making it possible to combat the too rapid release of the biocide. It has thus been suggested (WO 97/06675 of Rhône-Poulenc Chemicals Ltd.) to combine with a biocide a terephthalic copolyester having in its polymer chain polyoxyethylene or polyoxyethyleneterephthalate units.
- the Applicant has found an aqueous biocidal system of superior performance.
- a first subject of the invention consists of an aqueous biocidal system comprising - at least one water-soluble or water-dispersible biocidal agent,
- a linear C3 to C15 preferably C3 to C10, alkyl group. especially trimethylene.
- the unit (R'O) n represents a poly (ethyleneoxy) and / or poly (propyleneoxy) group,. n is an average value ranging from 5 to 200, preferably from 5 to 100 .
- - p_ is an average value ranging from 10 to 200, preferably from 10 to 100 - a is
- R 3 then representing the symbol Q. or preferably an average QZ value ranging from 1 to 100, preferably from 5 to 50, whatever R 3 .
- the polyorganosiloxane structure of the polymer of formula (I) not only allows adhesion and wetting of the biocidal system to the support to be treated, but also creates a preferential interaction between the biocidal and polyether functions, thanks to the high mobility of the polyorganosiloxane backbone due to the low glass transition temperature of the polymer (Tg lower than ambient temperature).
- biocidal agents which may be present in said system of the invention, mention may be made of cationic, amphoteric, amino, phenolic, halogen biocides. Systems based on cationic biocides are particularly interesting. As examples of biocides, one can mention:
- heterocyclic monoquaternary amines such as the chlorides of laurylpyridinium, of cetylpyridinium, of C-
- epichlorohydrin and dimethylamine or diethylamine epichlorohydrin and imidazole
- - amphoteric biocides such as derivatives of iNKN'-Cs-Ci glycine, from N-CN'-CN'-Cs-Ci ⁇ alkyl ⁇ -aminoethyl ⁇ -aminoethyl O-glycine, from N, N-bis (N'- C8-C-
- phenolic biocides such as parachlorometaxylenol, dichlorometaxylenol, phenol, cresols, resorcinol, resorcinol monoacetate, and their water-soluble derivatives or salts
- halogenated biocides such as iodophors and hypochlorite salts, such as sodium dichloroisocyanurate
- y is an average value ranging from 1 to 100, preferably from 5 to 50
- Q 1 represents the radical - (CH2) 3 ⁇ (CH2CH 2 O) z (CH2CH (CH3) O) z ⁇ or - (CH2) 3 ⁇ (CH2CH O) z (CH (CH 3 ) CH2 ⁇ ) z -H z is an average value ranging from 5 to 200, preferably from 5 to 100 z ! is an average value ranging from 0 to 100, preferably from 0 to 50 with z + zL ranging from 5 to 200, preferably from 5 to 100
- the biocidal agent and the polyorganosiloxane containing polyether functions represent the main constituents of the aqueous biocidal system which is the subject of the invention.
- the biocide is preferably present in the aqueous biocide system at a concentration of the order of 0.1% to 20% by weight, preferably of the order of 0.5% to 5% by weight.
- the polyetherosiloxane containing polyether functions of formula (I) is preferably present in the aqueous biocidal system at a concentration of the order of 0.01% to 20% by weight, preferably of the order of 0.05 to 5%. in weight.
- the relative amounts of biocide and of polyorganosiloxane with polyether functions can correspond to a biocide / poylorganosiloxane with ether function weight ratio of the order of 0.1 to 50, preferably of the order of 0.5 to 25.
- a first particular embodiment of the invention consists of an aqueous biocidal system, in the form of an aqueous solution, system in which the biocidal agent and the polyorganosiloxane containing polyether functions are water-soluble.
- main constituents of the aqueous biocidal system of the invention can be advantageously present other constituents, such as surfactants, chelating agents (such as aminocarboxylates (ethylenediaminetetraacetates, nitrilotriacetates, N, N-bis (carboxymethyl) glutamates, citrates), alcohols (ethanol) , isopropanol, glycols), detergency builders (phosphates, silicates), colorants, perfumes ...
- a second particular embodiment of the invention consists of a biocidal system containing, in addition to the biocide and the polyorganosiloxane containing polyether functions, at least one surfactant, in particular a nonionic, amphoteric or zwitterionic agent; these can be present in a proportion of 1 to 25%, preferably of the order of 2 to 10% by weight of said aqueous biocidal system.
- surfactants which may be present, there may be mentioned in particular:
- nonionic surfactants such as, ethylene oxide - propylene oxide block polymers, polyethoxylated sorbitan esters, sorbitan fatty esters, ethoxylated fatty esters (containing 1 to 25 units of ethylene oxide ), polyethoxylated C8-C22 alcohols (containing from 1 to 25 ethylene oxide units), polyethoxylated C ⁇ -C22 alkylphenols (containing from 5 to 25 ethylene oxide units), alkylpolyglycosides, amine oxides (such as C10-C18 alkyldimethylamines, C8-C22 alkoxyethyl dihydroxyethylamine oxides)
- ethylene oxide - propylene oxide block polymers polyethoxylated sorbitan esters, sorbitan fatty esters, ethoxylated fatty esters (containing 1 to 25 units of ethylene oxide ), polyethoxylated C8-C22 alcohols (containing from 1 to 25 ethylene oxide units), poly
- amphoteric or zwitterionic surfactants such as Cg-C20 alkylamphoacetates or amphodiacetates (such as cocoamphoacetates), C10-C18 alkyldimethylbétaines, C10-C18 alkylamidopropyldiméthylbétaines, Cl ⁇ ⁇ Cl8 alkyldiméthyl sulphobétaines C,
- a preferred embodiment of this second particular mode consists of an aqueous biocide system comprising - at least one cationic, amphoteric or amino biocide, preferably cationic
- nonionic, amphoteric, zwitterionic surfactant preferably nonionic.
- said system is in the form of an aqueous solution.
- a second object of the invention consists in the use of the biocidal system as described above for the disinfection of hard surfaces, or in a method of disinfecting hard surfaces by using said system. Said system can be implemented for the disinfection of floors, walls, work surfaces, equipment, furniture, instruments, ... in industry, the food industry, domestic areas (kitchens, bathrooms ... .) and in community.
- the disinfection operation consists in applying said biocidal system, possibly diluted from 1 to 1000 times, preferably from 1 to 100 times, on the hard surface to be treated.
- the quantity of biocidal system which can be favorably implemented is that corresponding to a deposit of 0.01 to 10 g, preferably from 0.1 to 1 g of biocide per m 2 of surface and to a deposit of 0.001 to 2 g, preferably from 0.01 to 0.5 g of polyorganosiloxane containing polyether functions per m 2 of surface.
- the biocidal agent of the system acts by controlled release during wetting of the treated surface with water or with an aqueous stain. This provision of the biocidal agent is limited to the volume of water or aqueous medium in contact with it.
- the biocidal system has the advantage of remaining active after a significant number of washes of the surface on which it has been deposited.
- a third subject of the invention consists in the use, in an aqueous biocidal system for the disinfection of a hard surface comprising at least one water-soluble or water-dispersible biocidal agent, of at least one polyorganosiloxane with water-soluble or water-dispersible polyether functions of formula (I) above, as an agent for interacting with said biocide for the controlled release of the latter during contact with an aqueous medium (water or aqueous fouling in particular) from said hard surface on which has been deposited and dried said aqueous system.
- an aqueous medium water or aqueous fouling in particular
- a final object of the invention consists of a process for the disinfection of a hard surface by controlled release of at least one water-soluble or water-dispersible biocidal agent during contact with an aqueous medium (water or aqueous fouling in particular) from said surface.
- an aqueous system comprising at least one water-soluble or water-dispersible biocidal agent and at least one polyorganosiloxane with water-soluble or water-dispersible polyether functions of formula (I) above interacting with said biocidal agent.
- Gram negative bacteria such as: Pseudomonas aeruginosa; Escherichia coli;
- Gram positive bacteria such as: Staphylococcus aureus: Streptococcus faecium
- Salmonella typhimurium Salmonella typhimurium
- Listeria monocvtogenes Campylobacter jejuni: Yersinia enterocolitica. yeasts such as: Saccharomyces cerevisiae; Candida albicans
- fungi such as: Aspergillus niger; Fusarium solani; Pencillium chrvsoofiniim .
- algae such as: Chlorella saccharophilia; Chlorella emersonii; Chlorella yujgaris; Chlamvdomonas eugametos
- the biocidal system of the invention is particularly effective on Gram-negative microorganisms Pseudomonas aeroginosa. Gram positive Sta.phylocpgcu, s aureus. the Aspergillus niger fungus
- biocidal solution A consisting of RHODAQUAT RP 50 (50% aqueous solution of active material of Ci2-Ci4alkyl benzyl dimethyl ammonium chloride marketed by Rhône-Poulenc) and water
- aqueous biocidal systems B, C and D consisting of aqueous solutions of RHODAQUAT RP 50 and polyether silicone of formula
- test strain Escherichia coli ATCC 1 1229
- aqueous biocidal solutions i) and ii) are prepared i) Rhodaquat RP 50 solution: 3% (i.e. 1.5% of biocidal active material) - Example 2 - ii) solution consisting of:
- Rhodaquat RP 50 3% i.e. 1.5% biocidal active ingredient
- non-ionic surfactant Cm alcohol with 6 ethylene oxide units
- the neutralizing medium contains 3% Tween 80 polysorbate and 2% soy lecithin.
- a control test is carried out by carrying out steps 1. to 7. on the surface of a white ceramic tile (5cmx5cm) previously sterilized but not treated with the biocidal system.
- logio of reduction log-jo M "N being the number of bacteria (in CFU / ml) surviving in the control test n being the number of bacteria ( in CFU / ml) survivors in the test using the biocidal system.
- Example 2 show that an aqueous solution of biocidal agent alone withstands up to two washes, considering a log-jg of reduction of 3 as sufficient for the general disinfection of a surface.
- Example 3 show that the interaction between the biocide and the polyether silicone reduces the effectiveness of the biocide in attacking the bacteria.
- the effective biocidal activity however extends over 4 washes. There is a slow release of the biocide.
- Example 4 show that a weaker interaction between the biocide and the polyether silicone, by reducing the amount of polyether silicone present in the system, makes it possible to release more biocide for the initial attack of the bacteria.
- the effective biocidal activity spans at least 16 washes.
- Example 5 The results of Example 5 show that if this interaction is further reduced, the amount of biocide released for the attack of the bacteria is even greater. A higher initial biocidal activity and a more effective biocidal activity are then observed on at least 8 washes.
Landscapes
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Health & Medical Sciences (AREA)
- Wood Science & Technology (AREA)
- Pest Control & Pesticides (AREA)
- Plant Pathology (AREA)
- Engineering & Computer Science (AREA)
- Dentistry (AREA)
- Agronomy & Crop Science (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Toxicology (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9712887A FR2769469B1 (fr) | 1997-10-15 | 1997-10-15 | Systeme a base d'un biocide et d'un silicone polyether et son utilisation pour la desinfection des surfaces dures |
FR9712887 | 1997-10-15 | ||
PCT/FR1998/002198 WO1999018784A1 (fr) | 1997-10-15 | 1998-10-13 | Systeme a base d'un biocide et d'un silicone polyether et son utilisation pour la desinfection des surfaces dures |
Publications (1)
Publication Number | Publication Date |
---|---|
EP1022941A1 true EP1022941A1 (fr) | 2000-08-02 |
Family
ID=9512248
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98949054A Withdrawn EP1022941A1 (fr) | 1997-10-15 | 1998-10-13 | Systeme a base d'un biocide et d'un silicone polyether et son utilisation pour la desinfection des surfaces dures |
Country Status (6)
Country | Link |
---|---|
US (1) | US6465409B1 (fr) |
EP (1) | EP1022941A1 (fr) |
AU (1) | AU9545298A (fr) |
CA (1) | CA2305496A1 (fr) |
FR (1) | FR2769469B1 (fr) |
WO (1) | WO1999018784A1 (fr) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9901850D0 (en) * | 1998-06-27 | 1999-03-17 | Woolard Trevor | Killing microorganisms |
GB2338651A (en) * | 1998-06-27 | 1999-12-29 | Woollard Trevor P | Liquid polymer composition |
US6821943B2 (en) * | 2001-03-13 | 2004-11-23 | S. C. Johnson & Son, Inc. | Hard surface antimicrobial cleaner with residual antimicrobial effect comprising an organosilane |
US20040248759A1 (en) * | 2002-05-22 | 2004-12-09 | Smith Kim R. | Composition and method for modifying the soil release properties of a surface |
GB0426308D0 (en) * | 2004-12-01 | 2004-12-29 | Byotrol Llc | Preservative and embalming fluids |
JP2008527191A (ja) * | 2005-01-05 | 2008-07-24 | ダウ グローバル テクノロジーズ インコーポレイティド | 紙及び板紙中の殺菌剤の効力の強化 |
EP2962564A1 (fr) * | 2005-10-25 | 2016-01-06 | Dow Global Technologies Llc | Composition antimicrobienne et procédé associé |
US8012411B1 (en) * | 2006-02-13 | 2011-09-06 | Sandia Corporation | Enhanced toxic cloud knockdown spray system for decontamination applications |
US7741503B2 (en) * | 2006-09-22 | 2010-06-22 | The United States Of America As Represented By The Secretary Of The Navy | Mobile self-spreading biocides |
WO2013000479A1 (fr) * | 2011-06-30 | 2013-01-03 | Hempel A/S | Compositions de revêtement antisalissure |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57168218A (en) * | 1981-04-09 | 1982-10-16 | Duskin Franchise Co Ltd | Liquid lens cleaner |
DE3436177A1 (de) * | 1984-10-03 | 1986-04-03 | Goldschmidt Ag Th | Verwendung von polyoxyalkylen-polysiloxan-copolymerisaten mit an siliciumatomen gebundenen langkettigen alkylresten als emulgatoren zur herstellung von w/o-emulsionen |
JP3199792B2 (ja) * | 1990-11-14 | 2001-08-20 | 三共株式会社 | 有害生物防除組成物 |
JPH06279268A (ja) * | 1993-01-27 | 1994-10-04 | Takeda Chem Ind Ltd | 消毒殺菌剤およびこれを含有するエアゾール組成物 |
US5500254A (en) * | 1993-12-21 | 1996-03-19 | Kimberly-Clark Corporation | Coated polymeric fabric having durable wettability and reduced adsorption of protein |
US5688747A (en) * | 1994-08-22 | 1997-11-18 | Becton Dickinson And Company | Water based lubricant solution |
-
1997
- 1997-10-15 FR FR9712887A patent/FR2769469B1/fr not_active Expired - Fee Related
-
1998
- 1998-10-13 WO PCT/FR1998/002198 patent/WO1999018784A1/fr not_active Application Discontinuation
- 1998-10-13 EP EP98949054A patent/EP1022941A1/fr not_active Withdrawn
- 1998-10-13 AU AU95452/98A patent/AU9545298A/en not_active Abandoned
- 1998-10-13 CA CA002305496A patent/CA2305496A1/fr not_active Abandoned
- 1998-10-13 US US09/509,795 patent/US6465409B1/en not_active Expired - Fee Related
Non-Patent Citations (1)
Title |
---|
See references of WO9918784A1 * |
Also Published As
Publication number | Publication date |
---|---|
FR2769469B1 (fr) | 1999-11-26 |
US6465409B1 (en) | 2002-10-15 |
WO1999018784A1 (fr) | 1999-04-22 |
AU9545298A (en) | 1999-05-03 |
FR2769469A1 (fr) | 1999-04-16 |
CA2305496A1 (fr) | 1999-04-22 |
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