EP1986500A2 - Composition biocide - Google Patents

Composition biocide

Info

Publication number
EP1986500A2
EP1986500A2 EP07704602A EP07704602A EP1986500A2 EP 1986500 A2 EP1986500 A2 EP 1986500A2 EP 07704602 A EP07704602 A EP 07704602A EP 07704602 A EP07704602 A EP 07704602A EP 1986500 A2 EP1986500 A2 EP 1986500A2
Authority
EP
European Patent Office
Prior art keywords
acid
zinc
composition according
inorganic solids
metal salt
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Withdrawn
Application number
EP07704602A
Other languages
German (de)
English (en)
Inventor
Djamschid Amirzadeh-Asl
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.)
Venator Germany GmbH
Original Assignee
Sachtleben Chemie 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 Sachtleben Chemie GmbH filed Critical Sachtleben Chemie GmbH
Publication of EP1986500A2 publication Critical patent/EP1986500A2/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/14—Paints containing biocides, e.g. fungicides, insecticides or pesticides
    • 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
    • A01N25/08—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 solids as carriers or diluents
    • 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
    • A01N59/00—Biocides, pest repellants or attractants, or plant growth regulators containing elements or inorganic compounds
    • A01N59/16—Heavy metals; Compounds thereof
    • 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
    • A01N59/00—Biocides, pest repellants or attractants, or plant growth regulators containing elements or inorganic compounds
    • A01N59/16—Heavy metals; Compounds thereof
    • A01N59/20—Copper
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P1/00—Drugs for disorders of the alimentary tract or the digestive system
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P15/00—Drugs for genital or sexual disorders; Contraceptives
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change

Definitions

  • the present invention is a biocidal composition, a process for their preparation and the use of the biocidal composition.
  • Biocides (from Greek / Latenian: life-killers) are agents used in a variety of products to kill, as the case may be, a wide range of organisms from viruses, bacteria, algae, fungi, insects to mollusks and rodents.
  • biocidal products There are around 8,000 biocidal products on the market that eliminate, deter or decimate small and microorganisms that are undesirable for humans in certain situations. These include above all agents against bacteria, algae and fungi, but also against spiders, mice, rats, flies or mosquitoes.
  • Typical biocidal products include wood preservatives, insect repellents for domestic use, mold-resistant wall paints for bathrooms or kitchens, antibacterial household cleaners, disinfectant sprays and attractants against clothes moths.
  • Biocidal products are widely available as ready-to-use articles to the consumer. Thus, textiles with the quality label "wool seal" are always equipped with moth protection.
  • microbicides are compounds that kill algae or inhibit their growth or multiplication. Paint-based paints are homogeneously distributed in paints so that paints made from them are permanently protected against algae growth, even under unfavorable conditions, such as the effects of rain and light. It follows that paint acidicides are practically insoluble in water and light stable. It is also expected that paint acidicides will not discolor the paint, are non-volatile, low in toxicity and compatible with other paint components. Examples of paint gallicides are chlorothalonil, diuron and dichlofluanid.
  • Fungicides are microbicides that kill fungi and their spores. They are used, inter alia, in wood protection against blue stain (wood decaying fungi) and wood-destroying fungi, but also to prevent the growth of harmful fungi on food, textiles, walls, paper, wood, glue, paints, lubricants and even fuels etc. ,
  • Antifouling paints are paints which are applied in the underwater area of ships, derricks, etc., where they inhibit growth. Characteristic of antifouling paints is the content of algicidal and fungicidal compounds, usually copper oxide and organotin compounds, in particular, the tin organics are environmentally questionable.
  • metal ions are used as biocides, in particular as microbicides, in particular in the form of compositions based on metal salts.
  • the metal ions are, in particular, heavy metal ions, for example copper, silver, tin and nickel ions.
  • water-soluble inorganic metal salts such as copper sulfate, copper nitrate and copper chloride are proposed in the prior art for use as algicides or bactericides for the treatment.
  • copper or copper ion sources inter alia, has the disadvantage that copper ions in alkaline or near alkaline React media with naturally occurring anions and fail as insoluble salts, such as carbonates, oxides or hydroxides. This pH-dependent precipitation leads to losses of biocidal activity, since then copper ions are no longer available.
  • copper salt biocides are more effective against algae than against bacteria and other pathogens. Therefore, to achieve significant biocidal activity of copper salts against bacteria, higher concentrations of copper are needed, which is undesirable. If bacteria or other pathogens are to be active with copper salt-containing algicides, this generally requires the use of additional biocides.
  • microbicidal compositions in inorganic carriers such as, for example, the oxides of titanium, magnesium, aluminum, silicon, barium sulfate and zeolites, in particular for use in polymers (US Pat. No. 4,525,410, US Pat. US-A-4,775,585, US-A-4,906,466).
  • EP-B-146341 1 discloses the use of zinc sulfide as an anti-mite agent.
  • Zinc sulfide is used in formulations for sizing threads, fibers, and filaments and in a liquid or solid composition for the cleaning or treatment of textile surfaces.
  • the object of the present invention is to overcome the disadvantages of the prior art.
  • the object of the invention is to provide a biocidal composition which, depending on the application and need, acts as algicide and / or fungicide and / or antibacterial.
  • Another object of the present invention is to provide a biocidal composition which is effective against algae as well as against fungi as well as against bacteria.
  • this composition should be able to be used in various applications such as paints and inks, for example water-based or water-based paints, coatings, roughcast or plaster coatings, glazes, impregnations, semidicken coatings, plastics, medical articles.
  • paints and inks for example water-based or water-based paints, coatings, roughcast or plaster coatings, glazes, impregnations, semidicken coatings, plastics, medical articles.
  • the biocidal composition should consist of inorganic solids, preferably of pigments, fillers and / or nanoscale particles, nanoscale particles being understood to mean those whose average particle size is below 250 nm.
  • the inorganic solids used are preferably themselves biocidal properties.
  • the pigment or filler properties of the inorganic solids are to be retained.
  • Another object of the invention is to provide a novel coating composition having a biocidal effect in the end use.
  • the novel coating composition is said to have a higher, immediate and long-lasting activity against algae, fungi and / or bacteria.
  • this coating composition is said to be useful as an antifouling paint and to prevent the marine vegetation such as algae, bivalves, crabs, etc. in marine and other marine vehicles, equipment and devices.
  • the inorganic solid there may be used any of pigments or fillers such as zinc sulfide, zinc oxide, barium sulfate, barite, mica, talc, kaolin, lithopone, titanium dioxide, alumina, silica, calcium carbonate, calcium sulfate, zeolites, iron oxide, magnesium hydroxide, aluminum hydride, carbon, in particular Graphite, are used.
  • the solid may be of both natural and synthetic origin.
  • metal salts having a biocidal property are preferably used.
  • inorganic or organic substances individually or in mixture, can be used as metal salts.
  • the compounds or salts of metals for example, zinc, copper, silver and / or tin, preferably of zinc, find application.
  • all soluble or sparingly soluble salts of biocidal metals can be used singly or in admixture for the surface modification of inorganic solids.
  • the amount of metal salts added is 0.01 to 50% by weight, preferably 0.1 to 30% by weight, more preferably 0.5 to 20% by weight, based on the weight of the inorganic solid.
  • the average particle size of the inorganic solids is between 200 and 1 nm, preferably between 120 and 2 nm, particularly preferably between 100 and 4 nm, very particularly preferably between 80 and 5 nm.
  • the mean particle size of the inorganic solids is between 0.25 and 500 .mu.m, preferably between 0.3 and 200 .mu.m, particularly preferably between 0.3 and 30 .mu.m.
  • the particles may have different shapes, for example, platelet, needle, spherical or epitaxial form.
  • the inorganic solids used are preferably substances which themselves have a biocidal property, for example algicidal and / or microbicidal.
  • a biocidal property for example algicidal and / or microbicidal.
  • zinc oxide, zinc sulfide, titanium dioxide and / or lithopone are used in the preparation of the biocidal composition according to the invention.
  • barium sulfate can also be used according to the invention.
  • Zinc salts are preferably used as metal salts, for example zinc sulfate (hepta- and / or monohydrate), zinc chloride, zinc nitrate, zinc bromite, zinc iodide,
  • organic zinc salts for example zinc acetate, zinc acetate, zinc acetylacetonate, zinc formate, zinc salicylate, zinc benzoate or mixtures of at least two of these substances.
  • Zinc acetate, Zinkeitrat, zinc oxalate or mixtures of at least two of these substances are particularly preferably used.
  • the surface modification of the inorganic solids by the corresponding metal salts all possible variants which are known in the art and known, can be used.
  • the surface modification may be carried out in the precipitation of the inorganic solids, in the treatment of the inorganic solids in suspension prior to drying, or also before or after the milling.
  • the finely divided, inorganic solids are preferably present as aqueous suspension or as filter cake (paste-like or as dough). It is advantageous to use a filter cake undried, for example, from ongoing production.
  • the drying of the suspension provided with the metal salts or of the filter cake provided with the metal salts can be effected by means of customary drying units.
  • spray dryers, grinding dryers or vacuum dryers are used.
  • the acids can be used individually or in mixture.
  • any of the possible procedures known can be used.
  • the treatment can be carried out during precipitation, before drying, after drying, before grinding or after grinding.
  • the amount of addition of acids is controlled so that the amount of the metal salts formed based on the mass of the inorganic solids at 0.01 to 50% by weight, preferably 0.1 to 30% by weight, more preferably 0.5 to 20% by weight.
  • the biocidal composition according to the invention can be in the form of a powder, paste, suspension or slurry.
  • the inorganic solids are zinc sulfide, zinc oxide, Barium sulfate, barite, mica, talc, kaolin, lithopone, titanium dioxide, alumina, silica, calcium carbonate, calcium sulfate, zeolites, iron oxide, magnesium hydroxide,
  • the inorganic solids are in the form of nanoscale and / or non-nanoscale particles
  • the mean particle diameter of the inorganic solids if they are not nanoscale, is between 0.25 and 500 ⁇ m, preferably between 0.3 and 200 ⁇ m, particularly preferably between 0.3 and 30 ⁇ m,
  • the metal salt is a salt of zinc, copper, silver, tin or mixtures of at least two of them
  • the metal salt is a metal salt of sulfuric, nitric, hydrofluoric, hydrochloric, bromoic, iodic, boric, phosphoric, peroctanoic, glycolic, oxalic, lactic, citric, benzoic, salicylic, acetylacetone,
  • Fatty acid or a mixture of at least two of the salts of these acids the preferred fatty acid being a C 1 to C 18 fatty acid, preferably formic acid, acetic acid, propionic acid, butyric acid, valeric acid, capric acid, lauric acid, stearic acid or a mixture of at least two of these acids,
  • metal salt is a metal salt of
  • Acetic acid which is oxalic acid or citric acid
  • composition in which ... and the surface of inorganic solids is modified at and / or after precipitation, wherein
  • Peroctanoic acid glycolic acid, oxalic acid, lactic acid, citric acid, benzoic acid, salicylic acid, acetylacetone, a fatty acid or a mixture of at least two of these acids, wherein as the fatty acid is a Ci to Ci ⁇ fatty acid, preferably formic acid, acetic acid, propionic acid, butyric acid, valeric acid , Capric Acid,
  • the invention further relates the use of a biocidal composition as described above as algicide, fungicide and / or microbiocide;
  • biocidal composition as described above for inhibiting the growth of marine organisms such as algae, shells and crabs on ships and other marine vehicles, equipment and
  • biocidal composition as described above as pigment and / or filler
  • biocidal composition as described above for the preparation of and / or for use in paints, inks, preferably
  • Water-based and / or water-based paints, glazes, impregnations, coatings, plasters, plastics and / or medical materials and equipment are used as paints, glazes, impregnations, coatings, plasters, plastics and / or medical materials and equipment.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Plant Pathology (AREA)
  • Environmental Sciences (AREA)
  • Zoology (AREA)
  • Dentistry (AREA)
  • Pest Control & Pesticides (AREA)
  • Agronomy & Crop Science (AREA)
  • Inorganic Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Toxicology (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Public Health (AREA)
  • Materials Engineering (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Medicinal Chemistry (AREA)
  • Animal Behavior & Ethology (AREA)
  • Veterinary Medicine (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Endocrinology (AREA)
  • Reproductive Health (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Paints Or Removers (AREA)
  • Pigments, Carbon Blacks, Or Wood Stains (AREA)

Abstract

L'invention concerne une composition biocide, ainsi qu'un procédé de production et l'utilisation de cette composition biocide.
EP07704602A 2006-02-16 2007-02-15 Composition biocide Withdrawn EP1986500A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006007515 2006-02-16
PCT/EP2007/051478 WO2007093627A2 (fr) 2006-02-16 2007-02-15 Composition biocide

Publications (1)

Publication Number Publication Date
EP1986500A2 true EP1986500A2 (fr) 2008-11-05

Family

ID=38219471

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07704602A Withdrawn EP1986500A2 (fr) 2006-02-16 2007-02-15 Composition biocide

Country Status (6)

Country Link
US (1) US20080317800A1 (fr)
EP (1) EP1986500A2 (fr)
JP (1) JP2009526822A (fr)
KR (1) KR20080102204A (fr)
CN (1) CN101511193A (fr)
WO (1) WO2007093627A2 (fr)

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WO2007093627A3 (fr) 2008-05-22
US20080317800A1 (en) 2008-12-25
CN101511193A (zh) 2009-08-19
JP2009526822A (ja) 2009-07-23
WO2007093627A2 (fr) 2007-08-23
KR20080102204A (ko) 2008-11-24

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