WO1997036835B1 - Foamed glass article for preparing surfaces, use therefor, and method of making same - Google Patents
Foamed glass article for preparing surfaces, use therefor, and method of making sameInfo
- Publication number
- WO1997036835B1 WO1997036835B1 PCT/US1997/005816 US9705816W WO9736835B1 WO 1997036835 B1 WO1997036835 B1 WO 1997036835B1 US 9705816 W US9705816 W US 9705816W WO 9736835 B1 WO9736835 B1 WO 9736835B1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- mixture
- weight
- foaming agent
- foamed
- foamed glass
- Prior art date
Links
- 239000011521 glass Substances 0.000 title claims abstract 21
- 238000004519 manufacturing process Methods 0.000 title claims abstract 3
- 239000000203 mixture Substances 0.000 claims abstract 25
- 239000004088 foaming agent Substances 0.000 claims abstract 11
- 239000002699 waste material Substances 0.000 claims abstract 9
- 239000003082 abrasive agent Substances 0.000 claims abstract 7
- NINIDFKCEFEMDL-UHFFFAOYSA-N sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims abstract 5
- 239000011593 sulfur Substances 0.000 claims abstract 5
- 229910052717 sulfur Inorganic materials 0.000 claims abstract 5
- 238000004140 cleaning Methods 0.000 claims abstract 2
- 239000006260 foam Substances 0.000 claims abstract 2
- 238000007790 scraping Methods 0.000 claims abstract 2
- 238000010438 heat treatment Methods 0.000 claims 5
- 238000002156 mixing Methods 0.000 claims 5
- AYJRCSIUFZENHW-UHFFFAOYSA-L Barium carbonate Chemical compound [Ba+2].[O-]C([O-])=O AYJRCSIUFZENHW-UHFFFAOYSA-L 0.000 claims 4
- VTYYLEPIZMXCLO-UHFFFAOYSA-L calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims 4
- 239000000463 material Substances 0.000 claims 4
- XSQUKJJJFZCRTK-UHFFFAOYSA-N urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims 4
- HBMJWWWQQXIZIP-UHFFFAOYSA-N Silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims 3
- 238000005296 abrasive Methods 0.000 claims 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N al2o3 Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims 3
- 238000000137 annealing Methods 0.000 claims 3
- 238000001816 cooling Methods 0.000 claims 3
- 239000002223 garnet Substances 0.000 claims 3
- 239000004576 sand Substances 0.000 claims 3
- 229910010271 silicon carbide Inorganic materials 0.000 claims 3
- 229960003563 Calcium Carbonate Drugs 0.000 claims 2
- ZLNQQNXFFQJAID-UHFFFAOYSA-L Magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 claims 2
- LEDMRZGFZIAGGB-UHFFFAOYSA-L Strontium carbonate Chemical compound [Sr+2].[O-]C([O-])=O LEDMRZGFZIAGGB-UHFFFAOYSA-L 0.000 claims 2
- 229910000019 calcium carbonate Inorganic materials 0.000 claims 2
- 239000004202 carbamide Substances 0.000 claims 2
- 238000005187 foaming Methods 0.000 claims 2
- XGZVUEUWXADBQD-UHFFFAOYSA-L lithium carbonate Chemical compound [Li+].[Li+].[O-]C([O-])=O XGZVUEUWXADBQD-UHFFFAOYSA-L 0.000 claims 2
- 229910052808 lithium carbonate Inorganic materials 0.000 claims 2
- 239000001095 magnesium carbonate Substances 0.000 claims 2
- 229910000021 magnesium carbonate Inorganic materials 0.000 claims 2
- 239000011776 magnesium carbonate Substances 0.000 claims 2
- 229910000018 strontium carbonate Inorganic materials 0.000 claims 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 2
- 210000003491 Skin Anatomy 0.000 claims 1
- 238000005238 degreasing Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 claims 1
- 239000011152 fibreglass Substances 0.000 claims 1
- 238000009499 grossing Methods 0.000 claims 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims 1
- 229910052751 metal Inorganic materials 0.000 claims 1
- 239000002184 metal Substances 0.000 claims 1
- 238000000034 method Methods 0.000 claims 1
- 239000004033 plastic Substances 0.000 claims 1
- 238000005498 polishing Methods 0.000 claims 1
- 229910052573 porcelain Inorganic materials 0.000 claims 1
- 238000005245 sintering Methods 0.000 claims 1
- 239000002023 wood Substances 0.000 claims 1
Abstract
A foamed glass article for preparing surfaces, the use therefor, and a method of making same are provided. The foamed glass article is in the form of a block, disk or similar product, and is used for preparing surfaces such as by sanding, rubbing and scraping the same to clean, abrade, polish, smooth, or the like such a surface. The foamed glass article is formed from a starting mixture that comprised waste glass, 0.10-20 % by weight of a non-sulfur based foaming agent, and optionally an additional abrasive material. A mixture of powdered waste glass and non-sulfur based foaming agent can be placed in a mold and heated so that the mixture sinters and subsequently foams. Thereafter, the foamed mixture is annealed.
Claims
1. A foamed glass article as a means to treat a hard surface to remove material therefrom, characterized in that said article is formed from a starting mixture that comprised waste glass and 0.10-20% by weight of a non-sulfur based foaming agent.
2. A foamed glass article according to claim 1 , characterized in that said starting mixture comprised 69.9-99.9% by weight waste glass, 0.10-20% foaming agent, and 0-30.0% by weight of abrasive material, said foaming agent preferably being selected from the group consisting of calcium carbonate, magnesium carbonate, strontium carbonate, lithium carbonate, barium carbonate, sugar, urea, water and mixtures thereof, and said abrasive material preferably being selected from the group consisting of sand, aluminum oxide, silicon carbide, garnet, similar abrasive grits, and mixtures thereof, whereby said foamed glass article can have the shape of a block or disk.
3. A method of making foamed glass as a means to treat a hard surface to remove material therefrom, said method characterized by the steps of: providing powdered waste glass; mixing a non-sulfur based foaming agent with said powdered waste glass to form a mixture; placing said mixture onto a surface; heating said mixture so that said mixture sinters and subsequently foams; and annealing said foamed mixture by cooling same to room temperature to form a foamed glass product.
4. A method according to claim 3, characterized in that said mixing step comprises mixing 0.10-20% by weight of said foaming agent with said powdered waste glass, especially 0.5-5.0% by weight of said foaming agent.
5. A method according to claim 3, characterized in that said placing step comprises placing said mixture onto a continuous belt, onto a plate, or into at least one mold, and preferably placing at least one mound of said mixture into said at least one mold, especially at least one row of such mounds, whereby said mixture can be placed into a single mold or into a plurality of molds.
6. A method according to claim 3, characterized in that said heating step comprises the steps of first heating said mixture to a sintering temperature, and subsequently increasing said temperature to effect said foaming, or said heating step comprises first heating said mixture to a temperature of about
1250° F, maintaining this temperature for a given period of time, and then increasing said temperature to 1274-1700° F.
7. A method according to claim 3, characterized in that said annealing step comprises the steps of first rapidly cooling said foamed mixture to a temperature below a foaming temperature, and then slowly cooling said foamed mixture to room temperature, whereby, after said annealing step, any glassy skin that is formed on said product can be removed, and said foamed glass product can be cut into articles having a specific geometry.
8. A method according to claim 6, characterized in that said providing step comprises providing 69.9-99.9% by weight waste glass, said mixing step comprises mixing 0.10-20% by weight foaming agent, and which includes the further step of _ _
adding 0-30.0% by weight of abrasive material to said mixture prior to said placing step, said foaming agent preferably being selected from the group consisting of calcium carbonate, magnesium carbonate, strontium carbonate, lithium carbonate, barium carbonate, sugar, urea, water, and mixtures thereof, and said abrasive material is selected from the group consisting of sand, aluminum oxide, silicon carbide, garnet, similar abrasive grits and mixtures thereof.
9. The product made by the process of claim 3, for use as a means to treat a hard surface to remove material therefrom.
10. A method of treating a hard surface to remove material therefrom, characterized by the steps of: providing a foamed glass articled formed from a starting mixture that comprised waste glass, 0.10-20% by weight of a non-sulfur based foaming agent, and 0 to 30.0% by weight abrasive material; and contacting said surface with said foamed glass article and providing relative movement between said article and said surface, wherein said step of contacting can comprise sanding, rubbing, scraping, degreasing, polishing, removing rust or stains, cleaning, or smoothing such surfaces as wood, metal, plastic, fiberglass, porcelain, enameled surfaces, concrete, or tiles, and said abrasive material can be sand, aluminum oxide, silicon carbide, garnet, similar abrasive grits, and mixtures thereof.
AMENDED SHEET (ARTICLE 1»
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU24476/97A AU2447697A (en) | 1996-03-29 | 1997-03-25 | Foamed glass article for preparing surfaces, use therefor, and method of making same |
| CA002248580A CA2248580C (en) | 1996-03-29 | 1997-03-25 | Foamed glass article for preparing surfaces, use therefor, and method of making same |
| EP97920231A EP0835228B1 (en) | 1996-03-29 | 1997-03-25 | Foamed glass article for preparing surfaces, use therefor, and method of making same |
| DE69726539T DE69726539T2 (en) | 1996-03-29 | 1997-03-25 | FOAM GLASS OBJECT FOR THE PREPARATION OF SURFACES, USE THEREFOR AND METHOD FOR THE PRODUCTION THEREOF |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US1427096P | 1996-03-29 | 1996-03-29 | |
| US60/014,270 | 1996-03-29 | ||
| US08/766,552 | 1996-12-10 | ||
| US08/766,552 US5821184A (en) | 1996-03-29 | 1996-12-10 | Foamed glass article for preparing surfaces, use therefor, and method of making same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| WO1997036835A1 WO1997036835A1 (en) | 1997-10-09 |
| WO1997036835B1 true WO1997036835B1 (en) | 1997-11-06 |
Family
ID=26685877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/US1997/005816 WO1997036835A1 (en) | 1996-03-29 | 1997-03-25 | Foamed glass article for preparing surfaces, use therefor, and method of making same |
Country Status (8)
| Country | Link |
|---|---|
| US (2) | US5821184A (en) |
| EP (1) | EP0835228B1 (en) |
| CN (1) | CN1212991C (en) |
| AU (1) | AU2447697A (en) |
| CA (1) | CA2248580C (en) |
| DE (1) | DE69726539T2 (en) |
| ES (1) | ES2212096T3 (en) |
| WO (1) | WO1997036835A1 (en) |
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| JP2017536281A (en) | 2014-06-11 | 2017-12-07 | アースストーン インターナショナル リミテッド ライアビリティ カンパニー | Foamed glass composite material and method of using the same |
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-
1996
- 1996-12-10 US US08/766,552 patent/US5821184A/en not_active Expired - Fee Related
-
1997
- 1997-03-25 CN CN97190649.1A patent/CN1212991C/en not_active Expired - Fee Related
- 1997-03-25 AU AU24476/97A patent/AU2447697A/en not_active Abandoned
- 1997-03-25 EP EP97920231A patent/EP0835228B1/en not_active Expired - Lifetime
- 1997-03-25 ES ES97920231T patent/ES2212096T3/en not_active Expired - Lifetime
- 1997-03-25 DE DE69726539T patent/DE69726539T2/en not_active Expired - Fee Related
- 1997-03-25 WO PCT/US1997/005816 patent/WO1997036835A1/en active IP Right Grant
- 1997-03-25 CA CA002248580A patent/CA2248580C/en not_active Expired - Lifetime
-
1998
- 1998-08-03 US US09/128,557 patent/US5972817A/en not_active Expired - Lifetime
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