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WO2010150074A2 - Composition s’utilisant comme agent désinfectant, antiseptique, antibactérien, antimycosique, antiviral et/ou anti-odeurs - Google Patents

Composition s’utilisant comme agent désinfectant, antiseptique, antibactérien, antimycosique, antiviral et/ou anti-odeurs Download PDF

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Publication number
WO2010150074A2
WO2010150074A2 PCT/IB2010/001505 IB2010001505W WO2010150074A2 WO 2010150074 A2 WO2010150074 A2 WO 2010150074A2 IB 2010001505 W IB2010001505 W IB 2010001505W WO 2010150074 A2 WO2010150074 A2 WO 2010150074A2
Authority
WO
WIPO (PCT)
Prior art keywords
composition
composition according
silver
tourmaline
anyone
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.)
Ceased
Application number
PCT/IB2010/001505
Other languages
English (en)
Other versions
WO2010150074A3 (fr
Inventor
Renzo Leardini
Carlo Leardini
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.)
Nct - New Chemical Technology Srl
Original Assignee
Nct - New Chemical Technology Srl
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
Priority claimed from ITRN2009A000028A external-priority patent/IT1400426B1/it
Application filed by Nct - New Chemical Technology Srl filed Critical Nct - New Chemical Technology Srl
Publication of WO2010150074A2 publication Critical patent/WO2010150074A2/fr
Publication of WO2010150074A3 publication Critical patent/WO2010150074A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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
    • A01N59/00—Biocides, pest repellants or attractants, or plant growth regulators containing elements or inorganic compounds
    • A01N59/16—Heavy metals; Compounds thereof
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
    • C02F1/505—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment by oligodynamic treatment
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/28—Treatment of water, waste water, or sewage by sorption
    • C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/42—Nature of the water, waste water, sewage or sludge to be treated from bathing facilities, e.g. swimming pools
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00—Specific treatment goals
    • C02F2303/02—Odour removal or prevention of malodour
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00—Specific treatment goals
    • C02F2303/04—Disinfection
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2305/00—Use of specific compounds during water treatment
    • C02F2305/08—Nanoparticles or nanotubes

Definitions

  • the present invention relates to a composition com- prising silver and at least one tourmaline for use as a sanitizing, antiseptic, antibacterial, antimicotic, antiviral and/or antiodor agent.
  • Said composition can be used for sanitizing, antibacterial, antimicotic, antiviral and/or antiodor treat- ments of a liquid, solid or gaseous material, in particular for treating water or air.
  • silver solutions As antibacterial agents. Compared with other antiseptic agents, silver has the advantage of being effective against a wide range of bacteria, also at small concentrations and for a long period of time. Moreover, it is delicate on skin and is excellently tolerated since it is completely atoxic. Silver ions are particularly active and interact with the bacterial cell wall, they bind to microbial DNA and RNA causing the inhibition of bacterial replication and as a result the death of the microorganism. The antiseptic properties of silver are unquestionable, however applications exploiting this capability have been limited almost only to the treatment of wounds and infections. A limitation to the use of silver results mainly from the fact that it acts only by direct and prolonged contact with the substrate to be treated.
  • the Applicant has faced the problem of providing a composition having sanitizing, antiseptic, antibacterial, antimicotic, antiviral and/or antiodor properties, which can be used in a wide range of applications and enables to obtain the desired effect in short times and on different substrates, both of liquid, solid or even gaseous type.
  • the Applicant has found that a composition comprising silver and at least one tourmaline can solve the problem mentioned above.
  • the Applicant has found that the antibacterial action of silver is enhanced by the concurrent presence of at least one tourmaline which, thanks to its ionizing properties, enables the composition to rapidly act upon substrates of various type, in particular upon water or air.
  • compositions can be incorporated into various materials (e.g. plastics) in order to give the latter sanitizing, antiseptic, antibacterial, antimicotic, antiviral and/or antiodor properties.
  • coating materials such as paints, varnishes or enam- els, or also plasters, putties and the like, added with a composition according to the present invention can be used in particular for treating highly moist environments (such as e.g. kitchens, bathrooms, swim- ming pools, boats) subject to bacterial or micotic contaminations .
  • composition can be useful for preparing medical products, e.g. gauzes, bandages, absorbing fabrics or plasters, for disinfecting and an- tiseptic treatment of injured skin, or also as a healing coadjuvant.
  • the present invention therefore relates to a composition comprising silver and at least one tourma1ine .
  • Silver can be present in the composition according to the present invention in the form of metal silver or of a compound containing silver in ionic form.
  • this can be preferably selected among silver ox- ides, hydroxides or salts.
  • Particularly preferred are silver sulfate, silver chloride and silver nitrate. It should be noted that the amount of silver in the composition according to the present invention is expressed (except if expressly referred to otherwise) as the amount of silver actually present, whatever the specific form in which it is used.
  • silver as metal silver or as compound containing silver in ionic form
  • nano and/or micro particle form preferably in nano parti- cIe form having in general an average size from 10 nm to 2 ⁇ m, preferably from 17 nm to 500 nm.
  • tourmaline can be selected among e.g.: elbaite, uvite, achroite, rubellite, indi- colite, dravite, schorl, buergerite and liddicoatite, or mixtures thereof.
  • tourmaline is selected among elbaite, uvite or mixtures thereof.
  • said at least one tourmaline consists of a mixture comprising elbaite in an amount of 5% to 80% and uvite in an amount of 20% to 95%, the percent- ages being expressed by weight with respect to the total weight of the mixture .
  • Tourmaline can be used in micro and/or nano particle form, preferably in micro particle form, having in general an average size from 0.5 ⁇ m to 100 ⁇ m, pref- erably from 0.8 ⁇ m to 1.2 ⁇ m.
  • Tourmaline preferably has a density of 2 to 4 g/cm 3 , preferably of 2.9 to 3.2 g/cm 3 .
  • silver and tourmaline are present in the composition in a weight ratio of 1:20 to 1:2, preferably of 1:10 to 1 : 4 .
  • the composition according to the present invention further comprises at least one inert filler.
  • This at least one inert filler is generally present in an amount of 5% to 70%, preferably of 15% to 50%, the percentages being expressed by weight with respect to the total weight of the composition.
  • inert fillers e.g. calcium carbonate or precipitated silica can be used.
  • the presence of at least one mineral filler, if any, performs various functions, among which giving the composition the consistency of a paste and diluting the active substances, so as to make easier a precise dosage thereof in the final article.
  • the present invention relates to an article comprising at least one plastic material and a composition according to the invention.
  • composition according to the present invention in the article, which is preferably dispersed homogeneously in the plastic material like a common mineral filler, gives the article sanitizing, antiseptic, antibacterial, antimicotic, antiviral and/or antiodor properties.
  • the amount of composition added to the polymeric material is such as to obtain an amount of silver of 0.1% to 5%, preferably of 0.2% to 3%, and an amount of at least one tourmaline of 5% to 50%, preferably of 8% to 30%, the percentages being expressed by weight with respect to the total weight of the article.
  • plastics materials polymeric materials of various type can be used, such as polyolefines (e.g. polyethylene or polypropylene) , modified celluloses, polyesters (e.g. polyethyleneterephthalate, PET) , polystyrene, polyamides (e.g.
  • Plastic materials are both thermoplastic polymers preserving their hot processability properties also in the finished article, and polymers that are initially thermo- plastic and during the production of the article, as a result of cross-linking, are no longer meltable (thermosetting resins) .
  • the plastic material can be added with other components of common use, such as plasticizers (e.g. vase- line), binders, dyes, pigments, mineral fillers, antioxidants, UV stabilizers, etc.
  • plasticizers e.g. vase- line
  • binders e.g. dyes, pigments, mineral fillers, antioxidants, UV stabilizers, etc.
  • the article can be obtained from the plastic material thus added by means of common techniques, such as injection or compression molding, thermoforming, extru- sion and the like. According to the present invention, articles of various type can be manufactured, such as:
  • the present invention relates to a material for water treatment, comprising a plastic material in a subdivided form in which a composition ac- cording to the present invention is dispersed.
  • the plastic material selected among those referred to above for the article according to the invention, is in the form of pearls, granules or pellets, and in this form it can be used for water treat- ment, e.g. for treating water in swimming pools, tanks, spas, etc., as a substitute for chlorine, in order to reduce and/or eliminate the presence of bacteria, fungi or viruses. Water is passed through this material, if necessary contained in a net or other de- vice (e.g.
  • the present invention relates to a surface coating material, in particular in the building or shipbuilding field, comprising a composition according to the present invention.
  • This coating material can be selected e.g. among: varnishes, paints, enamels or also plasters, cements or putties for building purposes.
  • the amount of composition according to the invention added to the coating material is preferably of 1 to 10% by weight, more preferably of 2 to 5% by weight, with respect to the total weight of the material .
  • the composition according to the present invention can be added to the coating material as a powder, a dispersion or preferably as a paste.
  • the coating material according to the present invention can contain other ingredients commonly used in this type of products.
  • these ingredients can be selected e.g. among: filming agents (e.g. synthetic or natural resins, such as acrylic polymers, polyure- thanes, polyesters, epoxy resins); synthetic or natu- ral pigments (e.g. clays, calcium carbonate, mica, silica, metal oxides, etc.); thickening fillers (e.g. talcum, diatomaceous earths, quartz, sand, etc.); solvents; various additives, among which surfactants, fluxing agents, catalysts, thickeners, tackifiers, UV stabilizers, biocides, etc.
  • filming agents e.g. synthetic or natural resins, such as acrylic polymers, polyure- thanes, polyesters, epoxy resins
  • synthetic or natu- ral pigments e.g. clays, calcium carbonate, mica, silica, metal oxides, etc.
  • thickening fillers
  • a coating material according to the present invention has ionizing, antibacterial, antimicotic, antiodor and/or self-cleaning properties and is therefore particularly effective for preventing the growth of bac- teria, molds or algae, above all in environments where the large presence of water vapor promotes the development thereof, in particular for kitchens, bathrooms, swimming pools or boats (in particular the bilge of a ship) . Thanks to the self-cleaning effect, said coat- ing material can be used in particular for preparing outdoor and indoor levelings and cement plasters, cement-based varnishes, lime and silicate paints.
  • the present invention relates to a medical product for disinfecting and antiseptic treatment of injured skin, or also as a healing coadjuvant, comprising a composition according to the present invention.
  • the amount of composition according to the invention in said medical product is preferably of 0.5% to 10% by weight, more preferably of 1% to 5% by weight, with respect to the total weight of the medical product.
  • the medical product according to the invention can be in particular a gauze, a bandage, an absorbing fabric or a plaster, comprising a (preferably textile) support onto which the composition according to the present invention was applied.
  • the latter can be applied onto the support by imbibing with a liquid product containing the composition according to the invention fe. g. a dispersion in a suitable solvent), or by coating of a semi-solid product containing said composition (e.g. a cream, suspension or gel containing suitable thickening and/or gelling agents) .
  • the medical product according to the invention consists of a cream, suspension or gel containing the composition according to the invention and suitable thickening and/or gelling agents, which can be applied directly onto injured skin.
  • EXAMPLE 1 A composition was prepared using silver sulfate in nano particle form (average particle size 25-50 nm) and a mixture of tourmalines (elbaite and uvite) , which was further added with calcium carbonate as inert filler. This composition was then homogeneously dispersed in a polymer (epoxy-acrylic resin) in such amounts as to obtain the following composition (% by weight) for the final material: silver sulfate: 5% mixture of tourmalines: 30% calcium carbonate: 40% epoxy-acrylic resin: 25% This material was then extruded in the form of pellets. These pellets were inserted into nets (1 kg of granules for each net) .
  • a polymer epoxy-acrylic resin
  • Table 1 shows the values of the bacterial charge measured in the water of the swimming pool treated with chlorine and in the water of the same swimming pool treated with the composition as disclosed above.
  • EXAMPLE 2 A composition was prepared using 6% by weight of sil- ver sulfate, 4% by weight of silver chloride (both in nano particle form with average size of 25 to 50 nm) and 90% by weight of a tourmaline. This mixture was added in an amount of 2% by weight (with respect to the total weight of the material) to a polypropylene master batch for manufacturing containers for hospital waste .
  • the resulting charged material was used for manufacturing containers sized 30x36x80 cm and with a wall thickness of 1.5 mm, having a pressure lid.
  • a material was also prepared us- ing the same polypropylene added with 0.2% by weight of the same mixture of silver sulfate and silver chloride described above, though without adding any tourmaline. This material was used for manufacturing con- tainers having the same characteristics as disclosed above .
  • the results are shown in the following Table 2.

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Environmental Sciences (AREA)
  • Plant Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Dentistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Agronomy & Crop Science (AREA)
  • Zoology (AREA)
  • Pest Control & Pesticides (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Paints Or Removers (AREA)

Abstract

L’invention concerne une composition comprenant de l’argent et au moins une tourmaline, ladite composition comportant des propriétés désinfectantes, antiseptiques, antibactériennes, antimycosiques, antivirales et/ou anti-odeurs. L’action antibactérienne de l’argent est renforcée par la présence simultanée d’au moins une tourmaline, qui, grâce à ses propriétés ionisantes, permet à la composition d’agir rapidement sur des substrats de divers types, en particulier sur l’eau ou l’air. Ladite composition peut être intégrée dans différentes matières (p. ex. plastiques, peintures, vernis ou émails, ou aussi dans des plâtres, mastics et analogue) afin de conférer à celles-ci des propriétés désinfectantes, antiseptiques, antibactériennes, antimycosiques, antivirales et/ou anti-odeurs.
PCT/IB2010/001505 2009-06-23 2010-06-22 Composition s’utilisant comme agent désinfectant, antiseptique, antibactérien, antimycosique, antiviral et/ou anti-odeurs Ceased WO2010150074A2 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
ITRN2009A000028A IT1400426B1 (it) 2009-06-23 2009-06-23 Utilizzo degli ioni d'argento in abbinamento alla tormalina come conservante di prodotti in tutte le forme fisiche conosciute e come principio attivo battericida e igienizzante nel loro uso e nel trattamento dell'acqua e dei liquidi in genere.
ITRN2009A000028 2009-06-23
ITMI2010A000252 2010-02-18
ITMI2010A000252A IT1399476B1 (it) 2009-06-23 2010-02-18 Composizione per uso come igienizzante, antisettico, antibatterico, antifungino, antivirale e/o antiodore

Publications (2)

Publication Number Publication Date
WO2010150074A2 true WO2010150074A2 (fr) 2010-12-29
WO2010150074A3 WO2010150074A3 (fr) 2011-08-11

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PCT/IB2010/001505 Ceased WO2010150074A2 (fr) 2009-06-23 2010-06-22 Composition s’utilisant comme agent désinfectant, antiseptique, antibactérien, antimycosique, antiviral et/ou anti-odeurs

Country Status (2)

Country Link
IT (1) IT1399476B1 (fr)
WO (1) WO2010150074A2 (fr)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103319768A (zh) * 2013-05-10 2013-09-25 赵静 一种聚乙烯纳米复合材料
WO2015011630A1 (fr) * 2013-07-23 2015-01-29 Universidad De Chile Additif qui confère des propriétés biocides à différents matériaux tels que des résines polymériques naturelles ou synthétiques, thermoplastiques ou thermostables, des revêtements organiques, des peintures, des vernis, des laques, des revêtements, des gels, des huiles, des cires, des céramiques, entre autres
IT201600070426A1 (it) * 2016-07-06 2018-01-06 Hub Nanotech Soc A Responsabilita Limitata Semplificata Contenitore per generi alimentari, in particolare per bevande
IT201700013561A1 (it) * 2017-02-08 2018-08-08 Angelo Lella Capsula multiuso per la purificazione dei liquidi
IT201700017297A1 (it) * 2017-02-16 2018-08-16 The Bright Company Srl Borraccia multiuso per la purificazione dei liquidi
IT201700022233A1 (it) * 2017-02-28 2018-08-28 Angelo Lella Composizione per uso come igienizzante, antisettico, antibatterico, antialghe, antifungino, antivirale e/o antiodore, anticalcare
IT201900022608A1 (it) 2019-12-02 2021-06-02 Giorgio Magalini Dispositivo antiodore igienizzante per sistemi adiabatici evaporativi
IT202000006349A1 (it) * 2020-03-25 2021-09-25 Ecomat S R L Miscela da rivestimento per superficie calpestabile, proteggente, trasparente, coprente ad effetto ionizzante, antibatterico e antifermentativo
IT202000019390A1 (it) * 2020-08-05 2022-02-05 Ecomat S R L Miscela da rivestimento per superficie calpestabile, proteggente, trasparente, coprente ad effetto ionizzante, antibatterico, antifermentativo e antivirale.
CN114403156A (zh) * 2022-01-26 2022-04-29 陈培坤 一种抗菌材料的制备方法及抗菌涂料组合物
IT202200004364A1 (it) 2022-03-08 2023-09-08 Hub Nanotech S R L Raffrescatore evaporativo

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CN1557728A (zh) * 2004-02-09 2004-12-29 苍风波 负离子水净化·活化·抗菌抑菌组合物、其粒状产品及制法
CN100453715C (zh) * 2004-10-27 2009-01-21 上海依福瑞实业有限公司 一种功能性聚丙烯纤维及其制备方法
KR20060112871A (ko) * 2005-04-28 2006-11-02 임익모 토르말린, 은나노입자 및 천연향료를 함유하는 살균세척용조성물
KR100568611B1 (ko) * 2005-09-23 2006-04-07 주식회사 엘지화학 기능성 내장재 및 그 제조방법
CN101476240A (zh) * 2008-01-03 2009-07-08 深圳宝利时尚科技有限公司 一种具有保暖、抗菌、保湿功能的纺织整理剂、及应用该纺织整理剂的保健袜
CN101225783A (zh) * 2008-02-05 2008-07-23 丁永良 电气石节油材料及电气石材料节油制品

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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103319768A (zh) * 2013-05-10 2013-09-25 赵静 一种聚乙烯纳米复合材料
WO2015011630A1 (fr) * 2013-07-23 2015-01-29 Universidad De Chile Additif qui confère des propriétés biocides à différents matériaux tels que des résines polymériques naturelles ou synthétiques, thermoplastiques ou thermostables, des revêtements organiques, des peintures, des vernis, des laques, des revêtements, des gels, des huiles, des cires, des céramiques, entre autres
IT201600070426A1 (it) * 2016-07-06 2018-01-06 Hub Nanotech Soc A Responsabilita Limitata Semplificata Contenitore per generi alimentari, in particolare per bevande
IT201700013561A1 (it) * 2017-02-08 2018-08-08 Angelo Lella Capsula multiuso per la purificazione dei liquidi
IT201700017297A1 (it) * 2017-02-16 2018-08-16 The Bright Company Srl Borraccia multiuso per la purificazione dei liquidi
IT201700022233A1 (it) * 2017-02-28 2018-08-28 Angelo Lella Composizione per uso come igienizzante, antisettico, antibatterico, antialghe, antifungino, antivirale e/o antiodore, anticalcare
IT201900022608A1 (it) 2019-12-02 2021-06-02 Giorgio Magalini Dispositivo antiodore igienizzante per sistemi adiabatici evaporativi
IT202000006349A1 (it) * 2020-03-25 2021-09-25 Ecomat S R L Miscela da rivestimento per superficie calpestabile, proteggente, trasparente, coprente ad effetto ionizzante, antibatterico e antifermentativo
IT202000019390A1 (it) * 2020-08-05 2022-02-05 Ecomat S R L Miscela da rivestimento per superficie calpestabile, proteggente, trasparente, coprente ad effetto ionizzante, antibatterico, antifermentativo e antivirale.
CN114403156A (zh) * 2022-01-26 2022-04-29 陈培坤 一种抗菌材料的制备方法及抗菌涂料组合物
IT202200004364A1 (it) 2022-03-08 2023-09-08 Hub Nanotech S R L Raffrescatore evaporativo

Also Published As

Publication number Publication date
ITMI20100252A1 (it) 2010-12-24
WO2010150074A3 (fr) 2011-08-11
IT1399476B1 (it) 2013-04-19

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