CA2529549A1 - Composite material having the appearance of natural stone - Google Patents

Composite material having the appearance of natural stone Download PDF

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Publication number
CA2529549A1
CA2529549A1 CA 2529549 CA2529549A CA2529549A1 CA 2529549 A1 CA2529549 A1 CA 2529549A1 CA 2529549 CA2529549 CA 2529549 CA 2529549 A CA2529549 A CA 2529549A CA 2529549 A1 CA2529549 A1 CA 2529549A1
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CA
Canada
Prior art keywords
antimicrobial agent
process according
group
composite material
silver
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.)
Granted
Application number
CA 2529549
Other languages
French (fr)
Other versions
CA2529549C (en
Inventor
Ivan W. Ong
Gerald W. Walker
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.)
Cosentino SA
Original Assignee
Cosentino, S.A.
Ivan W. Ong
Gerald W. Walker
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 Cosentino, S.A., Ivan W. Ong, Gerald W. Walker filed Critical Cosentino, S.A.
Publication of CA2529549A1 publication Critical patent/CA2529549A1/en
Application granted granted Critical
Publication of CA2529549C publication Critical patent/CA2529549C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
    • B29C67/24—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 characterised by the choice of material
    • B29C67/242—Moulding mineral aggregates bonded with resin, e.g. resin concrete
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44F—SPECIAL DESIGNS OR PICTURES
    • B44F9/00—Designs imitating natural patterns
    • B44F9/04—Designs imitating natural patterns of stone surfaces, e.g. marble
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B14/02—Granular materials, e.g. microballoons
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
    • C04B26/02—Macromolecular compounds
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
    • C04B26/02—Macromolecular compounds
    • C04B26/04—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • C04B26/06—Acrylates
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
    • C04B26/02—Macromolecular compounds
    • C04B26/10—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
    • C04B26/02—Macromolecular compounds
    • C04B26/10—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C04B26/18—Polyesters; Polycarbonates
    • 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
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F13/00—Coverings or linings, e.g. for walls or ceilings
    • E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
    • E04F13/08—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
    • E04F13/18—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements of organic plastics with or without reinforcements or filling materials or with an outer layer of organic plastics with or without reinforcements or filling materials; plastic tiles
    • E04F13/185—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements of organic plastics with or without reinforcements or filling materials or with an outer layer of organic plastics with or without reinforcements or filling materials; plastic tiles with an outer layer imitating natural stone, brick work, tiled surface or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2791/00—Shaping characteristics in general
    • B29C2791/004—Shaping under special conditions
    • B29C2791/008—Using vibrations during moulding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
    • B29C39/003—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor characterised by the choice of material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/0005—Condition, form or state of moulded material or of the material to be shaped containing compounding ingredients
    • B29K2105/0011—Biocides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2503/00—Use of resin-bonded materials as filler
    • B29K2503/04—Inorganic materials
    • B29K2503/08—Mineral aggregates, e.g. sand, clay or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/44—Furniture or parts thereof
    • B29L2031/441—Countertops
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/54—Substitutes for natural stone, artistic materials or the like
    • C04B2111/542—Artificial natural stone
    • 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
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/91—Use of waste materials as fillers for mortars or concrete

Abstract

Disclosed is a composite material having the appearance of natural stone that made from a polymer and natural aggregate. The composite material also has an antimicrobial material incorporated into it that resists the proliferation of microbes on the surface of the material. A method for producing this material is also disclosed.

Claims (65)

1. A composite structural material having an appearance similar to that of natural stone, said material comprising:
a natural aggregate, a polymeric binder, a curing agent, and an antimicrobial agent.
2. A composite material according to claim 1 wherein said natural aggregate material is selected from the group consisting of calcium carbonate, marble, granite, quartz, feldspar, marble and quartzite and mixtures thereof.
3. A composite material according to claim 2 further comprising a filler selected from the group consisting of fumed silica, sand, clay, fly ash, cement, broken ceramics, mica, silicate flakes, broken glass, glass beads, glass spheres, mirror fragments, steel grit, aluminum grit, carbides, plastic beads, pelletized rubber, ground polymer composites, wood chips, sawdust, paper laminates, pigments, colorants, and mixtures thereof.
4. A composite material according to claim 2 wherein said natural aggregate material makes up between about 85% to about 96% by weight of the total composition.
5. A composite material according to claim 4 wherein said natural aggregate material makes up between about 89% to about 93% by weight of the total composition.
6. A composite material according to claim 4 wherein said polymeric binder makes up between about 4% to about 15% by weight of the total composition.
7. A composite material according to claim 6 wherein said polymeric binder makes up between about 6% to about 10% by weight of the total composition.
8. A composite material according to claim 1 wherein said polymeric binder is selected from the group consisting of monomers, a mixture of monomers, polymers, a mixture of polymers, and a mixture of monomers and polymers.
9. A composite material according to claim 8 wherein said polymeric binder is a polymer and is selected from the group consisting of thermoplastic polymers and thermosetting polymers.
10. A composite material according to claim 9 wherein said polymeric binder is a polymer and is selected from the group consisting of polyester, vinyl ester, epoxy, phenolic resin, urethane, and mixtures thereof.
11. A composite material according to claim 8 wherein said polymeric binder is a monomer and is selected from the group consisting of acrylics, styrene, styrene derivatives, vinyl toluene, divinyl benzene, methyl acrylate, ethyl acrylate, isopropyl acrylate, butyl acrylate, 2-ethylhexyl acrylate, methyl methacrylate, ethyl methacrylate, isopropyl methacrylate, butyl methacrylate, phenols, and furans.
12. A composite material according to claim 11 wherein said monomer is selected from the group consisting of styrene, methyl methacrylate and butyl acrylate.
13. A composite material according to claim 1 wherein said antimicrobial agent is selected from the group consisting of organic and inorganic antimicrobial agents.
14. A composite material according to claim 13 wherein said antimicrobial agent is organic and is present in said material in a quantity between about 500 ppm and 10,000 ppm.
15. A composite material according to claim 14 wherein said antimicrobial agent is organic and is present in said material in a quantity between about 800 ppm and 7000 ppm.
16. A composite material according to claim 14 wherein said antimicrobial agent is an organic antimicrobial agent and is selected from the group consisting of quarternary ammonium compounds, quarternary ammonium compounds having an unsaturated reactive group, metals, and antimicrobial agents exhibiting the ability to migrate through said polymeric binder.
17. A composite material according to claim 16 wherein said antimicrobial agent is selected from the group consisting of triclosan, tolyl diiodomethyl sulfone, zinc pyrithione, sodium pyrithione, ortho phenylphenol, sodium ortho phenylphenol, iodo-2-propynyl butylcarbamate, poly[oxyethylene(dimethyliminio) ethylene(dimethyliminio)ethylene chloride], propiconazole, tebuconazole, bethoxazin, thiabendazole, polyhexamethylene biguanide, and 1,3,5-triazine-1,3,5-(2H,4H,6H)-triethanol, isothiazalinones, and mixtures thereof.
18. A composite material according to claim 17 wherein said polymeric binder is polyester and said antimicrobial agent is triclosan, wherein said triclosan is present in the material in a quantity between about 800 ppm and 5000 ppm.
19. A composite material according to claim 13 wherein said antimicrobial agent is an inorganic agent and is selected from the group consisting of metal salts, ceramics containing metals, zeolites containing metals, and mixtures thereof.
20. A composite material according to claim 19 wherein said antimicrobial agent is selected from the group consisting of salts of silver, copper, zinc, mercury, tin, lead, bismuth, barium, cadmium, chromium, and mixtures thereof.
21. A composite material according to claim 20 wherein said antimicrobial agent contains silver and is selected from the group consisting of silver acetate, silver benzoate, silver carbonate, silver iodate, silver iodide, sliver lactate, silver laurate, silver nitrate, silver oxide, silver palmitate, silver sulfadiazine, ceramics containing silver, zeolites containing silver, and mixtures thereof.
22. A composite material according to claim 19 wherein said antimicrobial agent is present in the material in a concentration between about 1000 ppm and 50,000 ppm.
23. A composite material according to claim 21 wherein said binder is polyester and said antimicrobial agent is present in in the composition in a concentration between about 1000 ppm and 50,000 ppm.
24. A composite material according to claim 1 wherein said antimicrobial agent is present in an amount sufficient to demonstrate commercially acceptable efficacy against a microbe of concern.
25. A finished product comprising the composite material according to claim 1.
26. A finished product according to claim 25 selected from the group consisting of a tabletop, a countertop, architectural facings, walkways, home furnishings, patio furniture, decorative stone, indoor and outdoor tile, flooring, mantles, wall facings, bathroom fixtures, and imitation stone structures.
27. A composite material according to claim 1 further comprising a colorant.
28. A process for the manufacture of a composite structural material, the process comprising the steps of:
obtaining a natural aggregate of appropriate dimension;
combining the aggregate with a polymeric binder to form an aggregate and binder mixture;
adding an antimicrobial agent to the mixture;
distributing the mixture in a mold; and curing the mixture by application of heat and pressure and vibration.
29. A process according to claim 28 wherein the natural aggregate is added in a quantity such that it makes up between about 85% to about 96% by weight of the total mixture.
30. A process according to claim 29 wherein the natural aggregate material makes up between about 89% to about 93% by weight of the total composition.
31. A process according to claim 28 wherein the step of obtaining the natural aggregate comprises obtaining aggregate selected from the group consisting of calcium carbonate, quartz, granite, feldspar, marble, quartzite, and mixtures thereof.
32. A process according to claim 31 further comprising the step of combining the aggregate with a filler selected from the group consisting of fumed silica, sand, clay, fly ash, cement, broken ceramics, mica, silicate flakes, broken glass, glass beads, glass spheres, mirror fragments, steel grit, aluminum grit, carbides, plastic beads, pelletized rubber, ground polymer composites, wood chips, sawdust, paper laminates, pigments, colorants, and mixtures thereof.
33. A process according to claim 31 wherein the aggregate is selected from the group consisting of granite, marble, quartz and mixtures thereof.~
34. A process according to claim 28 wherein the polymeric binder is combined with the aggregate in a quantity such that it makes up between about 4% to about 15% by weight of the total mixture.
35. A process according to claim 34 wherein said polymeric binder makes up between about 6% to about 10% by weight of the total mixture.
36. A process according to claim 28 wherein said polymeric binder is selected from the group consisting of monomers, a mixture of monomers, polymers, a mixture of polymers, and a mixture of monomers and polymers.
37. A process according to claim 26 wherein said polymeric binder is a polymer and is selected from the group consisting of thermoplastic polymers and thermosetting polymers.
38. A process according to claim 37 wherein said polymeric binder is a polymer and is selected from the group consisting of polyester, vinyl ester, epoxy, phenolic resin, urethane, and mixtures thereof.
39. A process according to claim 36 wherein said polymeric binder is a monomer and is selected from the group consisting of styrene, styrene derivatives, vinyl toluene, divinyl benzene, methyl acrylate, ethyl acrylate, isopropyl acrylate, butyl acrylate, 2-ethylhexyl acrylate, methyl methacrylate, ethyl methacrylate, isopropyl methacrylate, butyl methacrylate, phenols, and furans.
40. A process according to claim 39 wherein said monomer is selected from the group consisting of styrene, methyl methacrylate and butyl acrylate.
41. A process according to claim 34 wherein the polymeric binder is polyester.
42. A process according to claim 28 further comprising the step of placing the aggregate and binder mixture under a vacuum.
43. A process according to claim 42 wherein the vacuum is maintained as the mixture is distributed into the mold.
44. A process according to claim 28 wherein the step of curing the mixture under pressure comprises the application of a vacuum.
45. A process according to claim 42 wherein the curing step comprises the application of heat between ambient and about 200°C.
46. A process according to claim 28 wherein said applied pressure is between about 70 tons and about 140 tons.
47. A process according to claim 28 wherein the step of adding an antimicrobial agent to the aggregate and binder mixture comprises adding the antimicrobial agent directly to the aggregate and binder mixture.
48. A process according to claim 28 wherein the step of adding the antimicrobial agent to the aggregate and binder mixture comprises adding the antimicrobial agent to the binder prior to combining the aggregate with the binder.
49. A process according to claim 28 wherein the step of adding the antimicrobial agent to the aggregate and binder mixture comprises combining the antimicrobial agent with a colorant and then adding the antimicrobial agent and colorant to the aggregate binder mixture.
50. A process according to claim 28 wherein the step of adding the antimicrobial agent comprises adding the antimicrobial agent to a polymeric layer adjacent an outer surface of the cured mixture.
51. A process according to claim 28 wherein the antimicrobial agent is selected from the group consisting of organic and inorganic agents.
52. A process according to claim 51 wherein the antimicrobial agent is organic and is added in an amount sufficient to constitute between about 500 ppm and 10,000 ppm of the total mixture.
53. A process, according to claim 52 wherein the antimicrobial agent is organic and is between about 800 ppm and 7000 ppm of the total mixture.
54. A process according to claim 52 wherein the antimicrobial agent is an organic antimicrobial agent and is selected from the group consisting of quarternary ammonium compounds, quarternary ammonium compounds having an unsaturated reactive group, metals, and antimicrobial agents exhibiting the ability to migrate through said polymeric binder, and mixtures thereof.
55. A process according to claim 54 wherein the antimicrobial agent is selected from the group consisting of triclosan, tolyl diiodomethyl sulfone, zinc pyrithione, sodium pyrithione, ortho phenylphenol, sodium ortho phenylphenol, iodo-2-propynyl butylcarbamate, poly[oxyethylene(dimethyliminio) ethylene(dimethyliminio)ethylene chloride], propiconazole, tebuconazole, bethoxazin, thiabendazole, polyhexamethylene biguanide, and 1,3,5-triazine-1,3,5-(2H,4H,6H)-triethanol, isothiazalinones and mixtures thereof.
56. A composite material according to claim 55 wherein the polymeric binder is polyester and the antimicrobial agent is triclosan, wherein the triclosan is present in the material in a quantity between about 800 ppm and 5000 ppm.
57. A process according to claim 51 wherein the antimicrobial agent is an inorganic agent and is selected from the group consisting of metal salts, ceramics containing metals, zeolites containing metals, and mixtures thereof.
58. A process according to claim 57 wherein the antimicrobial agent is selected from the group consisting of salts of silver, copper, zinc, mercury, tin, lead, bismuth, barium, cadmium, chromium, and mixtures thereof.
59. A process according to claim 2.24 wherein the antimicrobial agent contains silver and is selected from the group consisting of silver acetate, silver benzoate, silver carbonate, silver iodate, silver iodide, sliver lactate, silver laurate, silver nitrate, silver oxide, silver palmitate, silver sulfadiazine, ceramics containing silver, zeolites containing silver, and mixtures thereof.
60. A process according to claim 57 wherein said antimicrobial agent is added to the mixture to constitute a concentration between about 1000 ppm and 50,000 ppm of the total mixture.
61. A process according to claim 59 wherein said binder is polyester and said antimicrobial agent is present in in the composition in a concentration between about 1000 ppm and 50,000 ppm.
62. A process according to claim 51 wherein said antimicrobial agent is present in an amount sufficient to demonstrate commercially acceptable efficacy against a microbe of concern.
63. A process according to claim 28 wherein said binder comprises a polyester and said antimicrobial agent is triclosan and the triclosan present in the cured mixture is between about 800 ppm and about 5000 ppm based upon the weight of the cured mixture.
64. A process according to claim 28 further comprising forming a finished product from the cured mixture.
65. A process according to claim 64 wherein the step of forming a finished product comprises forming a tabletop, a countertop, architectural facings, walkways, home furnishings, patio furniture, decorative stone, indoor and outdoor tile, flooring, mantles, wall facings, bathroom fixtures, cutting boards, sinks, showers, tubs, and imitation stone structures.
CA 2529549 2003-07-11 2004-01-30 Composite material having the appearance of natural stone Expired - Fee Related CA2529549C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US48631303P 2003-07-11 2003-07-11
US60/486,313 2003-07-11
PCT/US2004/002712 WO2005014256A1 (en) 2003-07-11 2004-01-30 Composite material having the appearance of natural stone

Publications (2)

Publication Number Publication Date
CA2529549A1 true CA2529549A1 (en) 2005-02-17
CA2529549C CA2529549C (en) 2011-05-24

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CA 2529549 Expired - Fee Related CA2529549C (en) 2003-07-11 2004-01-30 Composite material having the appearance of natural stone

Country Status (18)

Country Link
US (1) US8653156B2 (en)
EP (1) EP1648673B1 (en)
JP (1) JP2007522263A (en)
KR (1) KR101155772B1 (en)
CN (2) CN1822936A (en)
AU (1) AU2004262621B2 (en)
BR (1) BRPI0411951B1 (en)
CA (1) CA2529549C (en)
ES (1) ES2727303T3 (en)
IL (1) IL173074A (en)
MA (1) MA27943A1 (en)
MX (1) MXPA06000391A (en)
NO (1) NO20060119L (en)
NZ (1) NZ544068A (en)
PL (1) PL213320B1 (en)
RU (1) RU2339593C2 (en)
WO (1) WO2005014256A1 (en)
ZA (1) ZA200601128B (en)

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