WO2006074788A2 - Antimikrobiell ausgerüstete feststoff-zubereitungen - Google Patents
Antimikrobiell ausgerüstete feststoff-zubereitungen Download PDFInfo
- Publication number
- WO2006074788A2 WO2006074788A2 PCT/EP2005/013596 EP2005013596W WO2006074788A2 WO 2006074788 A2 WO2006074788 A2 WO 2006074788A2 EP 2005013596 W EP2005013596 W EP 2005013596W WO 2006074788 A2 WO2006074788 A2 WO 2006074788A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- methyl
- isothiazolin
- water
- mixture
- benzisothiazolin
- Prior art date
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
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/72—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms
- A01N43/80—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms five-membered rings with one nitrogen atom and either one oxygen atom or one sulfur atom in positions 1,2
Definitions
- the present invention relates to antimicrobially finished aqueous preparations of water-insoluble solids containing l, 2-benzisothiazolin-3-one (BIT) and at least one further biocidal active substance, and to a process for the preparation of these preparations and to the use of active substance mixtures of 1,2-benzisothiazolinone 3-one and at least one other biocidal active ingredient for the protection of preparations of water-insoluble solids.
- BIT 2-benzisothiazolin-3-one
- Aqueous preparations such as suspensions or dispersions of water-insoluble solids, such as minerals, fillers or pigments, are, due to their good processability or the possibility of specific adjustment of customer-specific substance parameters, a raw material component that is widely used in practice.
- These products are characterized in that in them a water-insoluble solid component with the addition of a dispersing aid and optionally other additives in water so distributed, i. is suspended, dispersed or slurried, the mixtures are formed with a solids content of 40-80%.
- a dispersing aid e.g. Kaolin or calcium carbonate slurries in the paper industry as a filler in the wet-end or as a constituent of coating colors in the production of coated papers.
- Dazomet a biocide that works well in principle, undergoes rapid degradation with release of toxic and strong-smelling gases, especially in alkaline-adjusted products (e.g., talc or calcium carbonate lurries).
- Bronopol an excellent bactericide, is degraded faster under the harsh conditions (high pH and temperatures) of slurry production and processing under unfavorable conditions than effect can occur.
- Formaldehyde or the formaldehyde releasers derived therefrom are a good-acting and sufficiently stable preservative, in particular against bacteria. Due to toxicological concerns and legal regulations, however, this proven preservative can no longer be used in many countries.
- Benzisothiazolinone a very stable and easy-to-use preservative, has an unbalanced spectrum of activity, especially against certain types of bacteria dominating in mineral slurries, and is also a relatively slow-acting biocide. To make matters worse in this drug that the required high dosages are associated with a relatively high price, so that benzisothiazolinone for economic reasons, no outstanding position in the conservation of mineral slurries of the type described above can take.
- the invention therefore an object of the invention to provide an aqueous preparation of water-insoluble solids, which avoids the above-mentioned problems and very well during the entire manufacturing process, and the subsequent logistical processing, is protected against microbial attack and thus ensures a perfect microbiological quality of the products until final consumption.
- the present invention therefore antimicrobially finished aqueous compositions of water-insoluble solids containing a mixture of 1,2-Benzisothia- zolin-3-one and at least one other biocidal active ingredient.
- biocidal active substances besides l, 2-benzisothiazolin-3-one, the following compounds are preferably suitable:
- Isothiazolinone from the series 5-chloro-2-methyl-4-isothiazolin-3-one (CMIT) and 2-methyl-4-isothiazolin-3-one (MIT);
- Formaldehyde releasing agents based on O-formals such as e.g. Benzylhemiformal, ethylene glycol bis-hemiformal, ethylene glycol hemiformal;
- Formaldehyde releasing agents based on N-formals such as e.g. 3-dimethylol-5,5-dimethyl-dendoin (DMDMH), tetramethylolacetylenediurea (TMAD), N, N'-dimethylolurea, N-methylolurea, 4,4-dimethyl-1,3-oxazolidine; Diazolidinyl urea, imidazolidinyl urea, 3,3'-methylene-bis (5-methyloxazolidine), 1,3,5-hexahydotriazine, sodium (hydroxymethyl) glycinate, 7a-ethyl dihydro-1H, 3H, 5H-oxazolo [3 , 4-c] oxazole;
- N-formals such as e.g. 3-dimethylol-5,5-dimethyl-dendoin (DMDMH), tetramethylolacetylenediurea (TMAD
- bromine-containing biocides such as 2-bromo-2-nitropropane-1,3-diol (Bronopol) and dibromodicyanobutane (DBDCB);
- the preparations according to the invention particularly preferably comprise mixtures of 1,2-benzothiazolin-3-one with the other biocidal active substances 5-chloro-2-methyl-4-isothiazolin-3-one and 2-methyl-4-isothiazolin-3-one on.
- aqueous preparations according to the invention are preferably suspensions, dispersants or slurries.
- the solid, water-insoluble solids contained in the preparations according to the invention are preferably natural or synthetic minerals, fillers or pigments based on natural or synthetic raw materials such as e.g. Aluminum hydroxide, aluminum silicate, titanium dioxide, iron oxide, kaolin, calcium carbonate or talc.
- the preparations according to the invention preferably have a content of water-insoluble constituents of from 40 to 80% by weight.
- a mixture of 5-chloro-2-methyl-4-isothiazolin-3-one and 2-methyl-4-isothiazolin-3-one in the weight ratio of 1-50 g (1-chloro-2-methyl-4-isothiazolin-3-one) is preferably used in the preparations according to the invention as another biocidal active substance.
- 50 ppm in particular from 5 to 30 g (5 to 30 ppm), based on 1 ton of the preparations according to the invention.
- concentrations of the biocidal active substances in the preparations according to the invention are in the range from 10 to 500 ppm for 1,2-benzisothiazolin-3-one, and in the range from 1 to 5000 ppm in each case for the second component or the sum of the further components on the total weight of the preparation.
- the proportions of 1,2-benzisothiazolin-3-one (BIT) and the second or further active compound component (s) can vary over a wide range.
- the ratio benzisothiazolinone (BIT) to the second or the sum of the further active ingredient component (s) is normally in a weight ratio of 100: 1 to 1: 100, preferably 50: 1 to 1:50, particularly preferably 10: 1 to 1:10.
- the preparations according to the invention are preferably aqueous suspensions, dispersions or slurries of calcium carbonate or talc or kaolin in water, the solids content being 40-80% by weight and the content of the total of biocidal active substances being 1-5000 ppm, in each case based on the total weight of the preparation.
- the aqueous preparations according to the invention have a high resistance to infestation by microorganisms, in particular by aerobic or anaerobic bacterial species, and thus allow trouble-free handling of the products during production, storage, transport and final processing.
- microorganisms in particular by aerobic or anaerobic bacterial species
- examples of types of microorganisms that can colonize aqueous suspensions, dispersions or slurries of minerals, fillers or pigments are, in particular, aerobic and anaerobic bacterial species. Without limiting the following types are mentioned:
- Alcaligenes such as Alcaligenes faecalis Bacillus, such as Bacillus firmus
- Corynebacterium such as Corynebacterium aquaticum Desulfovibrio desulfuricans Enterobacter such as Enterobacter aerogenes,
- Enterococci such as Enterococcus faecalis Escherichia such as Escherichia coli
- Proteus such as Proteus vulgaris Pseudomonas such as Pseudomonas aeruginosa
- Schewanella such as Schewanella putrefaciens
- Serratia such as Serratia marescens Staphylococcus such as Staphylococcus aureus.
- the antimicrobially finished preparations according to the invention are surprisingly distinguished by the fact that the incorporated biocidal active compounds have an unexpectedly high, synergistic increase in activity in specific mixing ratios. It follows that the required for the antimicrobial equipment use concentrations of the active ingredient components of the invention, compared with the necessary concentrations in the case of the respective individual active ingredients, can be reduced. This is extremely advantageous in terms of economic, ecological, and aannwweenndduunnggsteentechniehngchennes GGeessiicchhttssppuunnkktteenn and represents a contribution to increasing the preservation quality.
- the preparations according to the invention may additionally contain one or more other biocides
- the antimicrobially finished aqueous formulations according to the invention can be prepared by dispersing, suspending or slurrying water-insoluble solids, preferably minerals, pigments or fillers, with the addition of a dispersing agent and optionally further additives in water and with the biocidal active mixture of 1,2-benzene - Added sothiazolin-3-one and at least one other biocidal compound, optionally with the addition of one or more solvents and optionally further antimicrobial compounds.
- Another object of the present invention is the use of a mixture of 1,2-benzisothiazolin-3-one and at least one other biocidal active ingredient from the series of isothiazolinones, formaldehyde and Formaldehydabspalter, the bromine-containing biocides and o-phenylphe- nol for the protection of aqueous preparations of water-insoluble solids, inns in particular suspensions •, dispersions and slurries of minerals, pigments or fillers.
- Preferred isothiazolinones, formaldehyde releasers and bromine-containing biocides are the abovementioned compounds used in the preparations according to the invention.
- mixtures to be used according to the invention can be incorporated in the preparations to be protected during the production process of these preparations, during storage or before and / or during the transport of the preparations, in a manner known per se.
- the application of the biocidal active substance mixtures to be used according to the invention can be carried out either separately in the form of a metered addition of the individual active ingredients to the preparation to be protected, as appropriate Preservation task an individual adjustment of the concentration ratio can be made, or it can be done the addition of a finished active ingredient mixture.
- the biocidal active substance mixture can be converted beforehand into a customary formulation, such as e.g. in a solution, emulsion, suspension, a powder, a foam, in pastes, granules, aerosols and in finely encapsulated form in polymeric substances, transferred.
- formulations can be prepared in a manner known per se, for example by mixing the mixture or the individual active substances contained therein with extenders, ie liquid solvents, liquefied gases under pressure and / or solid carriers, if appropriate using surface-active agents, ie emulsifiers and / or or dispersants and / or foam-forming agents.
- extenders ie liquid solvents, liquefied gases under pressure and / or solid carriers, if appropriate using surface-active agents, ie emulsifiers and / or or dispersants and / or foam-forming agents.
- organic solvents may additionally be used as auxiliary solvents.
- Suitable liquid solvents are essentially: alcohols, such as butanol or glycol, and their ethers and esters, ketones, such as acetone, methyl ethyl ketone, methyl isobutyl ketone or cyclohexanone, strongly polar solvents, such as dimethylformamide, N-methylpyrrolidone or dimethyl sulfoxide, as well as water;
- liquefied gaseous diluents or carriers are meant those liquids which are gaseous at normal temperature and under normal pressure, for example aerosol propellants, such as halogenated hydrocarbons as well as butane, propane, nitrogen and carbon dioxide;
- suitable solid carriers are: for example ground natural minerals, such as kaolins, clays, talc, chalk, quartz, attapulgite, montmorillonite or diatomaceous earth, and ground synthetic minerals, such as finely divided silica, alumina and silicates; as solid carriers for granules are: for
- Adhesives and thickeners such as carboxymethylcellulose, methylcellulose, natural and synthetic, powdery, granular or latex-like polymers can be used in the formulations, such as gum arabic, polyvinyl alcohol, polyvinyl acetate, and natural phospholipids such as cephalins and lecithins and synthetic phospholipids.
- Other additives may be mineral and vegetable oils.
- the active compound combinations to be used according to the invention prepared as described above comprise the active compounds in concentrations of 5 to 50% by weight, preferably 5 to 30% by weight, calculated as the sum of all active ingredient components.
- the use concentrations of the active compound combinations to be used depend on the nature and occurrence of the microorganisms to be controlled, the initial microbial load and the expected storage time of the suspensions or dispersions of minerals, fillers or pigments to be protected. The optimum amount can be determined by preliminary tests and test series on a laboratory scale as well as by supplementary operating tests. In general, the use concentrations in the range of 0.01 to 5 wt .-%, preferably from 0.05 to 1.0 wt .-% of the active ingredient mixtures, based on the suspensions or dispersions of minerals, fillers or pigments to be protected.
- the mineral slurries according to the invention are distinguished by a surprisingly good antimicrobial resistance.
- the use according to the invention of the biocidal active ingredient components results in a synergistic effect, i. the effectiveness of the mixtures is better than would be deduced from the effectiveness of the individual components.
- the Microbiological Stress Test verifies the susceptibility of water-based systems to microbial attack and the effects of preservatives.
- the preservatives are incorporated in defined concentrations in the water-based systems.
- storage at elevated temperatures eg 7 days 40 0 C, 3 days 60 0 C oa
- contamination with microorganisms of a defined type occurs at weekly intervals over a test period of a maximum of 6 weeks. It is determined by counting the number of germs 2-3 or 7 days after each contamination whether complete kill or at least inhibition of proliferation of the microorganisms introduced has occurred in comparison with the non-conserved control samples.
- Citrobacter friend Corynebacterium sp Very good effectiveness is achieved if the preserved samples cause a kill of the introduced microorganisms even after 6 cycles of contamination. A satisfactory effect is present when a greatly reduced microbial level is observed compared to the unpreserved sample.
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
MX2007008468A MX2007008468A (es) | 2005-01-13 | 2005-12-16 | Preparaciones solidas antimicrobianas. |
CA002593827A CA2593827A1 (en) | 2005-01-13 | 2005-12-16 | Antimicrobial solid matter preparations |
EP05849257A EP1835806A2 (de) | 2005-01-13 | 2005-12-16 | Antimikrobiell ausger]stete feststoff-zubereitungen |
US11/794,869 US20080009532A1 (en) | 2005-01-13 | 2005-12-16 | Antimicrobially Finished Solid Preparations |
AU2005324894A AU2005324894A1 (en) | 2005-01-13 | 2005-12-16 | Antimicrobial solid matter preparations |
NO20074085A NO20074085L (no) | 2005-01-13 | 2007-08-07 | Antimikrobielle faststoff-fremstillinger |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102005001566A DE102005001566A1 (de) | 2005-01-13 | 2005-01-13 | Antimikrobiell ausgerüstete Feststoff-Zubereitungen |
DE102005001566:2 | 2005-01-13 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2006074788A2 true WO2006074788A2 (de) | 2006-07-20 |
WO2006074788A3 WO2006074788A3 (de) | 2007-07-26 |
Family
ID=36587323
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2005/013596 WO2006074788A2 (de) | 2005-01-13 | 2005-12-16 | Antimikrobiell ausgerüstete feststoff-zubereitungen |
Country Status (8)
Country | Link |
---|---|
US (1) | US20080009532A1 (de) |
EP (1) | EP1835806A2 (de) |
AU (1) | AU2005324894A1 (de) |
CA (1) | CA2593827A1 (de) |
DE (1) | DE102005001566A1 (de) |
MX (1) | MX2007008468A (de) |
NO (1) | NO20074085L (de) |
WO (1) | WO2006074788A2 (de) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2008520A3 (de) * | 2007-06-21 | 2009-06-24 | Rohm And Haas Company | Mikrobizide Zusammensetzung |
CN101255385B (zh) * | 2008-04-10 | 2011-03-16 | 杨壮 | 一种清洁剂及含有这种清洁剂的清洁用品 |
EP2329712A1 (de) * | 2009-12-07 | 2011-06-08 | Omya Development AG | Verfahren zur Bekämpfung von Bakterien in wässrigen Dispersionen von gemahlenem natürlichen Calciumcarbonat und/oder ausgefälltem Calciumcarbonat und/oder Dolomit und/oder oberflächebehandelten calciumcarbonathaltigen Mineralpräparaten |
WO2011069961A1 (en) * | 2009-12-07 | 2011-06-16 | Omya Development Ag | Process for bacterial stabilizing of aqueous ground natural calcium carbonate and/or precipitated calcium carbonate and/or dolomite and/or surface-reacted calcium carbonate-comprising mineral preparations |
AU2013200792B2 (en) * | 2007-06-21 | 2013-08-29 | Rohm And Haas Company | Microbicidal composition |
WO2017174180A1 (de) * | 2016-04-05 | 2017-10-12 | Thor Gmbh | Synergistische biozidzusammensetzungen enthaltend 5-chlor-2-methylisothiazolin-3-on |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013025897A1 (en) * | 2011-08-16 | 2013-02-21 | Georgetown University | Methods of treating bacterial infections with 1,2-benzisothiazolinone and isoindolinone derivatives |
US10793451B2 (en) | 2015-06-30 | 2020-10-06 | Bulk Chemical Services, LLC. | Method for treating water used in oil field applications to inhibit bacterial growth with methylammonium monomethyldithiocarbamate |
US10357213B2 (en) * | 2016-01-20 | 2019-07-23 | Dental Imaging Technologies Corporation | Positioning and retaining system for intra-oral sensors |
WO2021021477A1 (en) * | 2019-07-31 | 2021-02-04 | Siemens Healthcare Diagnostics Inc. | Improved biocide formulations for the preservation of analyte detection sensor(s) and method(s) of use and thereof |
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-
2005
- 2005-01-13 DE DE102005001566A patent/DE102005001566A1/de not_active Withdrawn
- 2005-12-16 US US11/794,869 patent/US20080009532A1/en not_active Abandoned
- 2005-12-16 WO PCT/EP2005/013596 patent/WO2006074788A2/de active Application Filing
- 2005-12-16 AU AU2005324894A patent/AU2005324894A1/en not_active Abandoned
- 2005-12-16 MX MX2007008468A patent/MX2007008468A/es unknown
- 2005-12-16 CA CA002593827A patent/CA2593827A1/en not_active Abandoned
- 2005-12-16 EP EP05849257A patent/EP1835806A2/de not_active Withdrawn
-
2007
- 2007-08-07 NO NO20074085A patent/NO20074085L/no not_active Application Discontinuation
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Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2008520A3 (de) * | 2007-06-21 | 2009-06-24 | Rohm And Haas Company | Mikrobizide Zusammensetzung |
AU2013200792B2 (en) * | 2007-06-21 | 2013-08-29 | Rohm And Haas Company | Microbicidal composition |
AU2013200789B2 (en) * | 2007-06-21 | 2013-08-29 | Rohm And Haas Company | Microbicidal composition |
CN101255385B (zh) * | 2008-04-10 | 2011-03-16 | 杨壮 | 一种清洁剂及含有这种清洁剂的清洁用品 |
EP2329712A1 (de) * | 2009-12-07 | 2011-06-08 | Omya Development AG | Verfahren zur Bekämpfung von Bakterien in wässrigen Dispersionen von gemahlenem natürlichen Calciumcarbonat und/oder ausgefälltem Calciumcarbonat und/oder Dolomit und/oder oberflächebehandelten calciumcarbonathaltigen Mineralpräparaten |
WO2011069961A1 (en) * | 2009-12-07 | 2011-06-16 | Omya Development Ag | Process for bacterial stabilizing of aqueous ground natural calcium carbonate and/or precipitated calcium carbonate and/or dolomite and/or surface-reacted calcium carbonate-comprising mineral preparations |
US8906968B2 (en) | 2009-12-07 | 2014-12-09 | Omya International Ag | Process for bacterial stabilizing of aqueous ground natural calcium carbonate and/or precipitated calcium carbonate and/or dolomite and/or surface-reacted calcium carbonate-comprising mineral preparations |
US9006295B2 (en) | 2009-12-07 | 2015-04-14 | Omya International Ag | Process for bacterial stabilizing of aqueous ground natural calcium carbonate and/or precipitated calcium carbonate and/or dolomite and/or surface-reacted calcium carbonate-comprising mineral preparations |
RU2549110C2 (ru) * | 2009-12-07 | 2015-04-20 | Омиа Интернэшнл Аг | Способ бактериальной стабилизации водного грунтового природного карбоната кальция, и/или осажденного карбоната кальция, и/или доломита, и/или минеральных композиций, содержащих поверхностно-модифицированный карбонат кальция |
WO2017174180A1 (de) * | 2016-04-05 | 2017-10-12 | Thor Gmbh | Synergistische biozidzusammensetzungen enthaltend 5-chlor-2-methylisothiazolin-3-on |
CN108882710A (zh) * | 2016-04-05 | 2018-11-23 | 托尔有限公司 | 含有5-氯-2-甲基异噻唑啉-3-酮的协同杀生物剂组合物 |
CN108882710B (zh) * | 2016-04-05 | 2024-01-26 | 托尔有限公司 | 含有5-氯-2-甲基异噻唑啉-3-酮的协同杀生物剂组合物 |
Also Published As
Publication number | Publication date |
---|---|
DE102005001566A1 (de) | 2006-07-27 |
NO20074085L (no) | 2007-10-02 |
EP1835806A2 (de) | 2007-09-26 |
AU2005324894A1 (en) | 2006-07-20 |
US20080009532A1 (en) | 2008-01-10 |
MX2007008468A (es) | 2007-11-12 |
CA2593827A1 (en) | 2006-07-20 |
WO2006074788A3 (de) | 2007-07-26 |
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