WO2014152586A1 - Matériaux polymères contenant un additif antimicrobien - Google Patents

Matériaux polymères contenant un additif antimicrobien Download PDF

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Publication number
WO2014152586A1
WO2014152586A1 PCT/US2014/027502 US2014027502W WO2014152586A1 WO 2014152586 A1 WO2014152586 A1 WO 2014152586A1 US 2014027502 W US2014027502 W US 2014027502W WO 2014152586 A1 WO2014152586 A1 WO 2014152586A1
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Prior art keywords
polymeric material
microbial
composite
additive
weight
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PCT/US2014/027502
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English (en)
Inventor
Kenneth W. Richards
Brian Woodman
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Aspen Research Corporation
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Publication of WO2014152586A1 publication Critical patent/WO2014152586A1/fr

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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/04—Reinforcing macromolecular compounds with loose or coherent fibrous material
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/04—Reinforcing macromolecular compounds with loose or coherent fibrous material
    • C08J5/10—Reinforcing macromolecular compounds with loose or coherent fibrous material characterised by the additives used in the polymer mixture
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/01—Use of inorganic substances as compounding ingredients characterized by their specific function
    • C08K3/013—Fillers, pigments or reinforcing additives
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/01—Use of inorganic substances as compounding ingredients characterized by their specific function
    • C08K3/015—Biocides
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/40—Glass
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K9/00—Use of pretreated ingredients
    • C08K9/02—Ingredients treated with inorganic substances
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L101/00—Compositions of unspecified macromolecular compounds
    • C08L101/16—Compositions of unspecified macromolecular compounds the macromolecular compounds being biodegradable

Definitions

  • the embodiments disclosed herein relate generally to biopolymers, bio-composites and polymeric alloy materials, compositions and/or articles made therefrom that include an antimicrobial additive.
  • Cleaners such as anti-microbial additives with a carrier may be topically applied to a contact surface of an article to help to eliminate bacteria.
  • the embodiments disclosed herein relate to an anti-microbial polymeric material and a method for preparing the anti-microbial polymeric material.
  • the anti-microbial polymeric material described herein includes, for example, biopolymers, polymeric alloy materials, and/or articles made therefrom that include an anti- microbial additive.
  • the anti-microbial polymeric material can be obtained by compounding an anti-microbial additive with a polymeric material.
  • the embodiments described herein can provide an anti-microbial polymeric material (e.g., polymeric alloys, biopolymers, etc.) where an anti-microbial additive can be evenly distributed and/or dispersed throughout the anti-microbial polymeric material.
  • an anti-microbial additive can be evenly distributed and/or dispersed throughout the anti-microbial polymeric material.
  • the anti-microbial polymeric material and/or an article made therefrom can effectively prevent growing of bacteria on a surface thereof.
  • an anti-microbial polymeric material where anti-microbial additive(s) including, for example, an ionic metal glass, can be
  • the anti-microbial polymeric material described herein can provide continued efficacy for the lifecycle of an article made therefrom regardless of wear and abrasion.
  • the anti-microbial polymeric material can also prevent leaching of the anti-microbial additive(s) from the polymeric material.
  • the anti-microbial polymeric material may be pigmented without affecting a target color.
  • the anti-microbial additive(s) include an ionic metal glass, preferably an ionic silver glass where the ionic silver component is an intimate part of the glass and thus is not leachable.
  • polymeric alloy materials incorporating the anti-microbial additive(s) may include, for example, biopolymers, polymer alloys composed of at least one petroleum based polymer and a biopolymer, etc. Additionally the biopolymers and polymeric alloy materials may further incorporate inorganic or organic fillers and/or reinforcing agents.
  • the anti-microbial additive(s) described herein include ionic metal glass having antimicrobial properties.
  • the ionic metal glass can include, for example, ionic silver glass material, ionic zinc glass material, ionic copper glass material, ionic gold glass material, ionic platinum glass material, a combination thereof, etc.
  • the ionic metal glass can include an ionic silver glass material.
  • the anti-microbial additive may be an ionic silver glass manufactured by Addmaster (UK) Ltd., part number Biomaster® 999. Additionally, the ionic silver glass anti-microbial additive does not leach from the compounded polymeric material containing additive and thus further reduces health risk as a result of contact with polymeric material.
  • the efficacy of anti-microbial additive(s) can be determined via, for example, an ISO
  • an anti-microbial polymeric material can be used by example for molded and extruded articles, gels, etc.
  • the anti-microbial polymeric material can include an anti-microbial additive of 0.05% to 0.3% ionic silver glass that may be by weight, and 99.95% to 99.7% by weight polymeric material.
  • the polymeric material can include, for example, biopolymer(s), and/or polymer alloy(s).
  • the polymer alloys (s) can include, for example, at least one petroleum based polymer and a biopolymer.
  • the polymeric material can include one or more bio-fiber as filler and reinforcing agent and process additives.
  • the anti-microbial additive of 0.05% to 0.3%> ionic silver glass can be compounded to be evenly distributed throughout the polymeric material.
  • the polymeric material may include post- industrial or post-consumer recycled polymer(s).
  • an anti-microbial polymeric material can include an anti-microbial additive of 0.05%> to 0.3%> by weight ionic silver glass, and 99.95%> to 99.7% by weight of one or more biopolymers.
  • the biopolymers can include, for example, polylactic acid (PLA), polyhydroxyalkanoic acids (PHA) such as, for example, polyhydroxybutyrate (PHB), polyglycolic acid (PGA), and/or other polyesters including, by example only, polybutylene succinic acid (PBS).
  • an anti-microbial polymeric material can include an anti-microbial additive of 0.05% to 0.3%> by weight ionic silver glass, and 99.95%) to 99.7% by weight of one or more polymeric alloy materials.
  • the polymeric alloy materials can include 5% to 95%o by weight of at least one petroleum based polymer or copolymer, and 95%> to 5%> by weight of a biopolymer of the polymeric alloy materials.
  • the biopolymer may include, for example, polylactic acid (PLA), a polyhydroxyalkanoic acid (PHA) based polymer, such as by example, PHB, and polyglycolic acid (PGA), and other polyesters including, for example, polybutylene succinic acid (PBS).
  • the petroleum based polymers may include, for example, olefins such as polypropylene and polyethylene, polyesters, polycarbonate, engineering polymers including, for example, nylon, polyurethane, and polyester, polymers such as, for example, Acrylonitrile butadiene styrene (ABS), Polycarbonate (PC)/ABS, urethanes, acrylates, styrenes,
  • olefins such as polypropylene and polyethylene
  • polyesters polycarbonate
  • engineering polymers including, for example, nylon, polyurethane, and polyester
  • polymers such as, for example, Acrylonitrile butadiene styrene (ABS), Polycarbonate (PC)/ABS, urethanes, acrylates, styrenes,
  • polydimethylsiloxane Polyvinyl chloride (PVC)
  • PVC Polyvinyl chloride
  • synthetic rubbers and other elastomeric materials such as thermoplastic elastomer (TPE) and thermoplastic Polyurethane (TPU).
  • an anti-microbial polymeric material can include an anti-microbial additive of 0.05% to 0.3% by weight of ionic silver glass, 49.95% to 94.95% by weight of a polymeric alloy or biopolymer, and 50%> to 5% by weight of filler or reinforcing agent.
  • an anti-microbial polymeric material can include a polymeric alloy material compounded with anti-microbial additive.
  • the anti-microbial polymeric material can include 0.05% to 0.3% by weight of ionic silver glass and 99.95%) to 99.7% by weight of a thermoplastic polymer suitable for production of film.
  • an anti-microbial polymeric material can include a biopolymer material compounded with anti-microbial additive.
  • the anti-microbial polymeric material can include 0.05%> to 0.3% by weight ionic silver glass and 99.95% to 99.7% by weight a thermoplastic polymer suitable for production of film.
  • an anti-microbial polymeric material can include a polymeric alloy material compounded with anti-microbial additive.
  • the anti-microbial polymeric material can include 0.05%> to 0.3%) by weight ionic silver glass and 99.95% to 99.7% by weight a thermoplastic polymer suitable for production sheet, tube and rod.
  • an anti-microbial polymeric material can include a biopolymer material compounded with anti-microbial additive.
  • the anti-microbial polymeric material can include 0.05% to 0.3% by weight ionic silver glass and 99.95%) to 99.7% by weight a thermoplastic polymer suitable for production sheet, tube and rod.
  • an anti-microbial polymeric material can include a polymeric alloy material compounded with anti-microbial additive.
  • the anti-microbial polymeric material can include 0.05% to 0.3% by weight ionic silver glass and 99.95%) to 99.7% by weight a thermoplastic polymer suitable for molding article(s) by means of, by example only, injection molding, reactive injection molding, blow molding and roto-molding processes.
  • an anti-microbial polymeric material can include a biopolymer material compounded with anti-microbial additive.
  • the anti-microbial polymeric material can include 0.05% to 0.3%) by weight ionic silver glass and 99.95%) to 99.7% by weight a thermoplastic polymer suitable for molding article(s) by means of, by example only, injection molding, reactive injection molding, blow molding and roto-molding processes.
  • an anti-microbial polymeric material can include a polymeric alloy compounded with anti-microbial additive.
  • the anti-microbial polymeric material can include 0.05%) to 0.3%) by weight ionic silver glass and 99.95%) to 99.7%) by weight a thermoplastic polymer suitable for profile extruded articles.
  • an anti-microbial polymeric material can include a biopolymer compounded with anti-microbial additive.
  • the anti-microbial polymeric material can include 0.05% to 0.3%) by weight ionic silver glass and 99.95%) to 99.7%o by weight a thermoplastic polymer suitable for profile extruded articles.
  • an anti-microbial polymeric material can include a polymeric alloy material compounded with anti-microbial additive.
  • the anti-microbial polymeric material can include 0.05%> to 0.3% by weight ionic silver glass and 99.95% to 99.7%) by weight a thermoset polymer suitable for thermoset molding.
  • an anti-microbial polymeric material can include a biopolymer material compounded with anti-microbial additive.
  • the anti-microbial polymeric material can include 0.05% to 0.3%) by weight ionic silver glass and 99.95% to 99.7% by weight a thermoset polymer suitable for thermoset molding.
  • an anti-microbial polymeric material can include a polymeric alloy compounded with anti-microbial additive.
  • the anti-microbial polymeric material can include 0.05%) to 0.3%o by weight ionic silver glass and 99.95%o to 99.7%) by weight a polymeric adhesive or hot-melt.
  • an anti-microbial polymeric material can include a biopolymer compounded with anti-microbial additive.
  • the anti-microbial polymeric material can include 0.05% to 0.3% by weight ionic silver glass and 99.95% to 99.7% by weight a polymeric adhesive or hot-melt.
  • an anti-microbial polymeric material can include a biopolymer compounded with anti-microbial additive.
  • the anti-microbial polymeric material can include 0.05%o to 0.3% by weight ionic silver glass and 99.95%) to 99.7% by weight a polymeric gel.
  • a compounded polymeric material with anti-microbial additive(s) can be compounded by means of a twin screw compounder/extruder.
  • an anti-microbial polymeric material can include a polymeric alloy compounded with anti-microbial additive.
  • the anti-microbial polymeric material can include 0.05%) to 0.3% by weight ionic silver glass and 99.95%» to 99.7% by weight a polymeric gel.
  • a polymeric alloy master batch compounded with anti-microbial additive can include about 0.5% to 3% by weight of ionic silver glass and about 99.5% to 97% by weight of polymeric alloy.
  • the compounded polymeric alloy master batch can be diluted by combining with the same polymeric alloy such that end product polymeric alloy can include about .05% to .3% by weight of the anti-microbial additive.
  • a biopolymer master batch compounded with anti-microbial additive can include about 0. 5% to 3% by weight ionic silver glass and about 99.5% to 97% biopolymer by example only, PLA.
  • the compounded biopolymer master batch can be further diluted by combining with the same biopolymer such that end product biopolymer can include about .05% to .3% by weight of the anti-microbial additive.
  • a substantially 100 percent solids graft polymerization process is provided.
  • the process can utilize a free radical initiated graft polymerization with bio- substrates.
  • the process does not require any pre-functionalization prior to grafting the biosubstrates that include, for example, polyester based biopolymers such as PLA, PHAs, and succinic acid based copolymers and cellulosic biomaterials such as flax, hemp, and protein based biomaterials such as avian feathers.
  • Anti-microbial polymeric material(s) can be obtained by compounding graft polymerized polymeric material(s) with anti-microbial additive(s).
  • the obtained anti-microbial polymeric material(s) can include 0.05% to 0.3% by weight of ionic silver glass, and 99.95% to 99.7% by weight of the graft polymerized polymeric material.
  • the graft polymerized polymeric material can include, for example, about 10% to 90% by weight of at least one monomer and an initiator and 90% to 10% by weight of the bio-substrate.
  • the monomers may include, by example only, vinyl-containing monomers that may include, for example, 2-ethylhexyl acrylate, butyl acrylate, methyl acrylate, methyl methacrylate, styrene, acrylonitrile, vinyl acetate, etc,
  • compounded polymeric material(s) with anti-microbial additive(s) can be compounded by means of, for example, a twin screw compounder/extruder and may further be pelletized, flaked or output any other form as required.
  • article(s) produced from pelletized compounded polymeric material with anti-microbial additive may be, by example only, extruded components for pens and pencils
  • article(s) produced from compounded polymeric material with antimicrobial additive may be, by example only, covers for electronic devices.
  • article(s) produced from compounded polymeric material with antimicrobial additive may be, by example only, conveying belts for pharmaceutical, personal healthcare and food processing systems.
  • article(s) produced from compounded polymeric material with antimicrobial additive may be, by example only, medical devices and implants.
  • article(s) produced from compounded polymeric material with antimicrobial additive may be, by example only, bottles and containers for pharmaceutical, personal health care and food stuffs.
  • article(s) produced from compounded polymeric material with antimicrobial additive may be, by example only, handles, door knobs and other devices that are used in opening doors, etc.
  • article(s) produced from compounded polymeric material with anti- microbial additive may be, by example only, toilet seats and counter surfaces.
  • article(s) produced from compounded polymeric material with antimicrobial additive may be, by example only, personal healthcare items such as combs, brushes and shaving devices.
  • article(s) produced from compounded polymeric material with anti- microbial additive may be, by example only, shopping carts and baskets or any of its individual components.
  • article(s) produced from compounded polymeric material with antimicrobial additive may be, by example only, kitchen utensils, components of such utensils as well as plastic flatware.
  • article(s) produced from compounded polymeric material with antimicrobial additive may be, by example only, polymeric based gloves used for cleaning, medical, laboratory, food preparation and other similar functions.
  • article(s) produced from compounded polymeric material with antimicrobial additive may be, by example only, eating utensils such as flatware, plates, cups, and bottles.
  • compounded polymeric material(s) with anti-microbial additive may include the addition of stabilizers, as by example but not limited to UV inhibitors, antioxidants, antiozonants, or other stabilizers.
  • compounded polymeric material(s) with anti-microbial additive may include the addition of nucleating agents.
  • e compounded polymeric material(s) with anti-microbial additive may include the addition of compatibilizing agents.
  • compounded polymeric material(s) with anti-microbial additive may include the addition of impact.
  • compounded polymeric material(s) with anti-microbial additive may include the addition of pigments and/or dyes.
  • compounded polymeric material(s) with anti-microbial additive may include the addition of plasticizers and/or tackifiers.
  • compounded polymeric material(s) with anti-microbial additive may include the addition of inorganic fillers, as by example but not limited to glass, calcium carbonate, calcium sulfate, talc, zinc oxide, and other appropriate fillers as deemed appropriate.
  • inorganic fillers as by example but not limited to glass, calcium carbonate, calcium sulfate, talc, zinc oxide, and other appropriate fillers as deemed appropriate.
  • compounded polymeric material(s) with anti-microbial additive may include the addition of other reinforcing material, for example, nano-tubes, carbon black, plant fibers, fiberglass and/or other reinforcing agents as deemed appropriate.
  • Fig. 1 illustrates a graph of an antimicrobial efficacy of an anti-microbial polymeric material over time, according to one embodiment.
  • polymeric material as defined herein is inclusive of and may be used interchangeably with “biopolymer” and polymeric alloy” as further defined herein.
  • biopolymer as used herein is defined as polymers that may be partially petroleum based or non-petroleum based, include any polyhydroxyalkanoic acid (PHA) based polymers such as PHB, as well as other biopolymers such as by example, polylactic acid (PL A), polyglycolic acid (PGA), and other polyesters including, for example, polybutylene succinic acid (PBS).
  • PHA polyhydroxyalkanoic acid
  • PHB polyhydroxyalkanoic acid
  • other biopolymers such as by example, polylactic acid (PL A), polyglycolic acid (PGA), and other polyesters including, for example, polybutylene succinic acid (PBS).
  • polymeric alloys as used herein is defined as a polymeric material composed of at least one petroleum based polymer and a biopolymer and may further incorporate inorganic or organic fillers and reinforcing agents.
  • the petroleum based polymers may be at least one or any combination of and by example only and not limited hereto, olefins such as polypropylene and polyethylene, polyesters; polycarbonate and other engineering polymers as by example nylon, polyurethane, and polyester; and other polymers such as ABS, PC/ABS, urethanes, acrylates, styrenes, polydimethylsiloxane, PVC, and synthetic rubbers and other elastomeric materials such as TPE and TPU.
  • anti-microbial compound any ionic metal glass that that can be compounded into and evenly distributed in a polymeric material.
  • the antimicrobial include an ionic silver glass that can be, for example, an ionic silver glass manufactured by Addmaster (UK) Ltd., part number Biomaster® 999.
  • the ionic metal glass can have a particulate size of about 2 to about 5 microns.
  • AX8900 Ethylene Terpolymer could be used for olefin materials such as the polypropylenes and polyethylenes in quantities from about 2% to 5% by weight of the examples as required.
  • the anti-microbial part number Biomaster® 999, Addmaster, UK was utilized in the examples at about 0.2% by weight but could have been from about 0.05% to about 03% by weight.
  • the percentage used was to achieve an effective efficacy of 99.9%> in 24 hours utilizing, for example, the above mentioned ISO 22196 as test procedure.
  • a PMMA/ PLA alloy with anti-microbial was compounded on a Coperion 29mm co- rotating, intermeshing compounding extruder composed of 49.8% by weight of PMMA HI 2 003 00 CL Acrylite, 50% by weight Ingeo 4060D PLA and 0,2% by weight of Biomaster® 999 ionic silver glass anti-microbial and no compatibilizer required.
  • the revolutions per minute (RPM) was set at 230, melt temperature at 225 with a die pressure of 51 psi.
  • the material was tested resulting in a density of 1.0927, an MFR of 6.071, and calculated viscosity of 1227.7 Pa-sec.
  • Example 2 ABS / PLA alloy with Anti-microbial
  • ABS/ PLA alloy with anti-microbial was compounded on a Coperion 29mm co- rotating, intermeshing compounding extruder composed of 25% by weight of ABS MG47 NA -
  • a PP/ PLA alloy with anti-microbial was compounded on a Coperion 29mm co- rotating, intermeshing compounding extruder composed of 50% by weight PP SG722 (25 melt NB), 49.8% by weight Ingeo 4060D PLA and 0.2% by weight Biomaster® 999 ionic silver glass anti-microbial and no compatibilizer required.
  • the RPM was set at 205, melt temperature at 200 with a die pressure of 33 psi.
  • the material was tested resulting in a density of 0.8157, an MFR of 72.749, and calculated viscosity of 132.0 Pa-sec.
  • Example 4 An ISO 22196/201 1 anti-microbial efficacy test of the examples 1-3 provided above was performed. Each of the examples 1 -3 was inoculated with a nutrient mix having a known amount of bacteria. The test determined the percentage of living bacteria over a twenty four hour period. These samples were kept in optimal conditions for bacterial growth (e.g., 37 °C) for the duration of the twenty four hours.
  • the bacteria used in the test include Methicillin-Resistant
  • MRSA Staphylococcus Aureus
  • E. coli Escherichia coli
  • Table 1 below provides the results of this test along with the percentage of living bacteria operating under the same conditions of the ISO 22196/201 1 anti-microbial efficacy test without being inoculated into one of the examples 1 -3 provided above.
  • Fig. 1 illustrates a graph of the ISO 22196/2011 anti-microbial efficacy test described above.
  • an anti-microbial polymeric material inoculated with a nutrient mix that includes a known amount of bacteria is able to kill about 99.9% of the bacteria within a twenty four hour time period (see plot 410).
  • the percentage of living bacteria remains the about same during the entire twenty four hour time period (see plot 420).
  • a composite comprising:
  • polymeric material includes at least one selected from the group consisting of: a biopolymer; a bio-composite; and a polymeric alloy.
  • anti-microbial polymeric material includes 99.95% to 99.7% by weight of the polymeric material and .05% to 0.3% by weight of the anti-microbial additive.
  • anti-microbial additive includes an ionic silver glass.
  • polylactic acid PHA
  • PHB polyhydroxybutyrate
  • polyglycolic acid PGA
  • polybutylene succinic acid PBS
  • polypropylene polyethylene
  • ABS Acrylonitrile butadiene styrene
  • PC Polycarbonate
  • ABS ABS
  • urethane acrylate
  • styrene polydimethylsiloxane
  • PVC Polyvinyl chloride
  • TPE thermoplastic elastomer
  • TPU thermoplastic Polyurethane
  • the filler is an inorganic filler and the inorganic filler includes at least one selected from the group consisting of: glass; calcium carbonate; calcium sulfate; talc; and zinc oxide.
  • the reinforcing material is at least one selected from the group consisting of: a nano-tube; a carbon black; a plant fiber; and a fiberglass.
  • the stabilizer includes at least one selected from the group consisting of: an ultraviolet (UV) inhibitor; an antioxidant; and an antiozonant.
  • the anti-microbial additive includes at least one selected from the group consisting of: a pigment; and a dye.
  • An article of manufacture comprising the composite of any of aspects 1-13.
  • a method for manufacturing an anti-microbial polymeric material comprising:
  • a method of reducing bacterial growth comprising:

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Abstract

La présente invention concerne un matériau polymère antimicrobien et un procédé de préparation dudit matériau polymère antimicrobien. Le matériau polymère antimicrobien selon l'invention comprend, par exemple, des biopolymères, des matériaux d'alliage polymères, et/ou des articles fabriqués à partir de ceux-ci qui comprennent un additif antimicrobien. Le matériau polymère antimicrobien peut être obtenu par mélange d'un additif antimicrobien (par exemple, un verre métallique ionique) avec un matériau polymère de sorte que le verre métallique ionique puisse être dispersé uniformément dans l'ensemble du matériau polymère.
PCT/US2014/027502 2013-03-14 2014-03-14 Matériaux polymères contenant un additif antimicrobien WO2014152586A1 (fr)

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WO2019076625A1 (fr) 2017-10-17 2019-04-25 Arcelik Anonim Sirketi Compartiment pour détergent
WO2021239756A1 (fr) 2020-05-27 2021-12-02 Omya International Ag Agents antimicrobiens hydrophobes
CN115251755A (zh) * 2021-04-29 2022-11-01 杜拉维特有限公司 马桶座圈总成

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WO2019076625A1 (fr) 2017-10-17 2019-04-25 Arcelik Anonim Sirketi Compartiment pour détergent
WO2021239756A1 (fr) 2020-05-27 2021-12-02 Omya International Ag Agents antimicrobiens hydrophobes
CN115251755A (zh) * 2021-04-29 2022-11-01 杜拉维特有限公司 马桶座圈总成

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