[특허]Method for producing materials from recycled glass and cement compositions

Method for producing materials from recycled glass and cement compositions 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B28B-001/087 B28B-013/02
출원번호	UP-0925199 (2004-08-24)
등록번호	US-7700017 (2010-05-20)
발명자 / 주소	McCarthy, Timothy McCarthy, legal representative, Carol A. Rangarajan, Sriram
출원인 / 주소	Icestone LLC
대리인 / 주소	Onofrio, Esq., Dara L.
인용정보	피인용 횟수 : 5 인용 특허 : 30

초록 ▼

A method of producing material from recycled glass comprising: preparing a mixture of glass in a cementitious matrix, and an alkali-silica reaction suppressant; providing a mold of the material and coating said mold with a release agent; casting said mixture into said mold; curing said mold; and removing the material from said mold. The recycled glass and concrete compositions are: 25-79% by weight glass; 8-35% by weight cement and up to 22% by weight of an alkali-silica reaction suppressant.

대표청구항 ▼

What is claimed is: 1. A process to produce recycled glass/cement panels comprising: (a) delivering materials including (i) 25-79% by weight of glass having a particle size in the range of 1 μm to 25 mm; (ii) 19-30% by weight Portland cement; and (iii) an alkali-silica reaction suppressant selected from the group consisting of metakaolin, fly ash, silica fume and blast furnace slag present in an amount up to 22% by weight (b) adding up to 3% by weight of a dispersant and water to said materials to create a slurry that is inert, non-toxic and greater than 90% inorganic material, wherein the water content in said slurry ranges from 4% to 20% by weight; (c) mixing said slurry under conditions to avoid curing of the product during operation and to breakdown agglomerate and to mix said slurry; (d) casting said slurry into a mold having a dimension ranging from 48″×96″ to 60″×120″; (e) vibrating said mold to further spread said slurry in the mold evenly and to release all entrapped air at a vibration frequency in the range of 10-200 Hz and a vibration amplitude in the range of 0-5 mm; (g) curing said mold at temperatures ranging from 50 to 185° F. with a humidity range from 70% RH to 100% RH; and (h) removing the recycled glass/cement panel from said mold wherein said panel has a compressive strength between 2000-16,750 psi, a flexural strength between 648-1170 psi and a porosity between 0.1% to 6.5%. 2. The method according to claim 1, wherein said glass is in a crushed or ground form. 3. The method according to claim 1, wherein said curing is in a controlled environmental chamber. 4. The method according to claim 1, wherein said mold is in the form of a flat panel. 5. The method according to claim 1, wherein said mold is in the form of a 3-D objects. 6. The method according to claim 1, wherein said dispersant is selected from the group consisting of polycarboxylate based dispersants, naphthalene based dispersants, melamine based dispersants and lignosulphate based dispersants. 7. The method according to 1, wherein said mixture further comprises a pigment component present in an amount up to 15% by weight. 8. The method according to claim 1, wherein said mixture further comprises a fiber component present in an amount up to 5% by weight. 9. The method according to claim 1, wherein said mixture further comprising at least one material from the group consisting of stone chips, shell chips, mother of pearl chips, metal chips, air-entraining agents, anti-foaming agents, and viscosity modifying agents. 10. The method according to claim 1, comprising the further step of polishing the material removed from the mold. 11. The method according to claim 1, wherein said glass is amorphous silica and is selected from the group consisting of borosilicate glass, E-glass, soda-lime glass and colored glass. 12. The method according to claim 1, wherein particle size distribution of said glass is varied to control viscosity of said mixture.

이 특허에 인용된 특허 (30)

Champomier Claude,FRX ; Soukatchoff Pascal,FRX, Article, in particular a building covering plate, and process for manufacturing said article.
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Duselis, Steve; Goodwin, Peter; Kirby, Nigel; Naji, Basil; Nguyen, Anhthe; Sloane, Brian; Stitt, David; Gleeson, James, Building products.
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MacDowell John F. (Painted Post NY), CaO-Al₂O₃-SiO₂ glass hydraulic cements.
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Morioka, Minoru; Nakashima, Yasuhiro; Higuchi, Takayuki; Takahashi, Mitsuo, Cement composition.
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Naji Basil Taha,AUX ; Duselis Steven Alfred,AUX ; Gleeson James Albert,AUX ; Klimesch Danielle Simone,AUX ; Sloane Brian Patrick,AUX ; Stitt David Malcolm,AUX, Cement formulation.
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Jones ; Jr. Roger H. (Reno NV), Cement mixtures with alkali-intolerant matter and method.
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Hopkins Donald Stephen,CAX ; Oates David Bridson,CAX, Cement with air-cooled slag and silica fume.
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Gruber Karen Ann ; Hen John, Cement-based compositions.
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Rirsch Eric A. (Billingshurst GBX) Barker Howard A. (Horsham GBX), Cementitious dough or paste comprising at least one hydraulic element and at least one polymer latex.
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Ambroise Jean (Bron FRX) Murat Michel (Caluire FRX) Pera Jean (Villeurbanne FRX), Composite material for construction purposes based on pozzuolanas and glass fibers and processes for manufacturing same.
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Goeman ; Friedrich, Composition and method for producing glass reinforced cement products.
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Caijun Shi CA, Composition of materials for use in cellular lightweight concrete and methods thereof.
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Sunde, Lasse, Concrete.
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James E. Pelot ; H. Wayne Hutchens ; Stephen Z. Baxter, Concrete composition.
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Lingart Jury K.,CZX ; Tikhonova Nailia A.,CZX, Decorative construction material and methods of its production.
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Coenen Matthias Christian (Mainz DT), Glass compositions suitable for incorporation into concrete.
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Baxter Steven Z., Glass formula for avoiding ASR.
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Sohm Jean-Michel (Nancy FRX), Glass reinforced compositions.
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Goeman ; Friedrich, Inhibitors for alkali-glass reactions in glass fiber reinforced cement products.
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Jin Weihua, Inorganic binders employing waste glass.
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Dejaiffe, Robert, Lightweight foamed glass aggregate.
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Thiery Jacques (Villers-Les-Nancy FRX) Soukatchoff Pascal (Lay Saint Christophe FRX), Method for selecting a pozzolan intended to be incorporated into a composite material comprising cement and glass.
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Uchizaki Iwao (Tokyo JPX), Method of forming dense concrete surface layer.
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Whaley, Tim, Method of making a terrazzo surface from recycled glass.
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Dodson Vance H. (Walpole MA) Roberts Lawrence R. (Acton MA), Portland cement-fly ash-aggregate concretes.
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Sullivan, Francis W., Processes for producing monolithic architectural cementitious structures having decorative aggregate-containing cementitious surfaces.
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Komada Norikazu,JPX ; Matsumoto Mitsugu,JPX ; Kakehashi Shinichiro,JPX ; Tamo Yoshitaka,JPX ; Christodoulou Chris N.,CYX, Three phase hydrogen occluding alloy and electrode made of the alloy.
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Baxter Steven Z. ; Meyer Christian ; Jin Weihua, Use of waste glass in concrete.
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이 특허를 인용한 특허 (5)

Princigallo, Antonio; Cangiano, Stefano, Activated pulverised glass as an additive for mortars and cement, and related cementitious products.
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Cangiano, Stefano; Morbi, Alessandro, Dry cement mix for forming light concretes with low thermal conductivity, and concretes thus obtained.
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Sich, John H, Method of manufacturing terrazzo tiles, terrazzo tiles and flooring system assembled with terrazzo tiles.
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Valentini, Silvia C.; Doherty, Shawn Patrick; Li, Youhong, Stabilized aggregates and other materials and structures for energy absorption.
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Tagnit-Hamou, Arezki; Soliman, Nancy, Ultra-high performance glass concrete and method for producing same.
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