WO1996032226A3 - Firing sol-gel alumina particles - Google Patents

Firing sol-gel alumina particles Download PDF

Info

Publication number
WO1996032226A3
WO1996032226A3 PCT/US1996/004137 US9604137W WO9632226A3 WO 1996032226 A3 WO1996032226 A3 WO 1996032226A3 US 9604137 W US9604137 W US 9604137W WO 9632226 A3 WO9632226 A3 WO 9632226A3
Authority
WO
WIPO (PCT)
Prior art keywords
gel
alumina particles
sol
firing
gel alumina
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/US1996/004137
Other languages
French (fr)
Other versions
WO1996032226A2 (en
Inventor
Ajay K Garg
Arup K Khaund
Lawrence E Orne
Mark R Young
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.)
Saint Gobain Ceramics and Plastics Inc
Original Assignee
Saint Gobain Norton Industrial Ceramics Corp
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=23652855&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=WO1996032226(A3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority to NZ305667A priority Critical patent/NZ305667A/en
Priority to PL96322586A priority patent/PL182876B1/en
Priority to RU97118359A priority patent/RU2148567C1/en
Priority to BR9604913-8A priority patent/BR9604913A/en
Priority to DE69602434T priority patent/DE69602434T2/en
Priority to AU53734/96A priority patent/AU686506B2/en
Priority to JP53102396A priority patent/JP3220159B2/en
Priority to US08/894,311 priority patent/US6083622A/en
Application filed by Saint Gobain Norton Industrial Ceramics Corp filed Critical Saint Gobain Norton Industrial Ceramics Corp
Priority to EP96910577A priority patent/EP0819104B1/en
Priority to MX9707651A priority patent/MX9707651A/en
Priority to HU9801820A priority patent/HU222600B1/en
Priority to DK96910577T priority patent/DK0819104T3/en
Priority to CA002212508A priority patent/CA2212508C/en
Publication of WO1996032226A2 publication Critical patent/WO1996032226A2/en
Publication of WO1996032226A3 publication Critical patent/WO1996032226A3/en
Priority to NO19974591A priority patent/NO312231B1/en
Anticipated expiration legal-status Critical
Priority to GR990402012T priority patent/GR3030931T3/en
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/10—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on aluminium oxide
    • C04B35/111—Fine ceramics
    • 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
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/10—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on aluminium oxide
    • C04B35/111—Fine ceramics
    • C04B35/1115—Minute sintered entities, e.g. sintered abrasive grains or shaped particles such as platelets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D3/00—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents
    • B24D3/02—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent
    • B24D3/04—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially inorganic
    • B24D3/14—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially inorganic ceramic, i.e. vitrified bondings
    • 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
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/624—Sol-gel processing
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K3/00—Materials not provided for elsewhere
    • C09K3/14—Anti-slip materials; Abrasives
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K3/00—Materials not provided for elsewhere
    • C09K3/14—Anti-slip materials; Abrasives
    • C09K3/1409—Abrasive particles per se
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K3/00—Materials not provided for elsewhere
    • C09K3/14—Anti-slip materials; Abrasives
    • C09K3/1409—Abrasive particles per se
    • C09K3/1418—Abrasive particles per se obtained by division of a mass agglomerated by sintering

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Structural Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Disintegrating Or Milling (AREA)
  • Inks, Pencil-Leads, Or Crayons (AREA)
  • Cosmetics (AREA)

Abstract

Sol-gel alumina that is dried but unfired can be explosively comminuted by feeding the dried gel into a furnace held at temperatures above those at which vaporizable materials are eliminated from the particles of gel. At suitably elevated temperatures the firing is sufficient to form fully densified alpha alumina particles of a size suitable for direct use as abrasive grits.
PCT/US1996/004137 1995-04-05 1996-03-27 Firing sol-gel alumina particles Ceased WO1996032226A2 (en)

Priority Applications (15)

Application Number Priority Date Filing Date Title
CA002212508A CA2212508C (en) 1995-04-05 1996-03-27 Improved abrasives by concurrent fire-comminuting and sintering of sol-gel alumina
PL96322586A PL182876B1 (en) 1995-04-05 1996-03-27 Method of firing corundum paticles in the sol-gel form
RU97118359A RU2148567C1 (en) 1995-04-05 1996-03-27 Method of producing alpha-aluminum oxide (versions), abrasive particles and abrasive material (versions)
BR9604913-8A BR9604913A (en) 1995-04-05 1996-03-27 Burning sol-gel alumina particles
DE69602434T DE69602434T2 (en) 1995-04-05 1996-03-27 SINTERING SOL GEL PARTICLES FROM ALUMINA
AU53734/96A AU686506B2 (en) 1995-04-05 1996-03-27 Firing sol-gel alumina particles
JP53102396A JP3220159B2 (en) 1995-04-05 1996-03-27 Sintering of sol-gel alumina particles
US08/894,311 US6083622A (en) 1996-03-27 1996-03-27 Firing sol-gel alumina particles
EP96910577A EP0819104B1 (en) 1995-04-05 1996-03-27 Firing sol-gel alumina particles
NZ305667A NZ305667A (en) 1995-04-05 1996-03-27 Process for firing sol-gel alumina particles and their use in alumina abrasive grits
DK96910577T DK0819104T3 (en) 1995-04-05 1996-03-27 Sintering of alumina sol-gel particles
HU9801820A HU222600B1 (en) 1995-04-05 1996-03-27 Firing sol-gel alumina particles
MX9707651A MX9707651A (en) 1995-04-05 1996-03-27 Firing sol-gel alumina particles.
NO19974591A NO312231B1 (en) 1995-04-05 1997-10-03 Process for Removing Evaporable Substances from Particles of Sol-Gel Alumines and Powdering Such Particles
GR990402012T GR3030931T3 (en) 1995-04-05 1999-08-06 Firing sol-gel alumina particles

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/417,169 1995-04-05
US08/417,169 US5725162A (en) 1995-04-05 1995-04-05 Firing sol-gel alumina particles

Publications (2)

Publication Number Publication Date
WO1996032226A2 WO1996032226A2 (en) 1996-10-17
WO1996032226A3 true WO1996032226A3 (en) 1997-02-20

Family

ID=23652855

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1996/004137 Ceased WO1996032226A2 (en) 1995-04-05 1996-03-27 Firing sol-gel alumina particles

Country Status (24)

Country Link
US (2) US5725162A (en)
EP (1) EP0819104B1 (en)
JP (1) JP3220159B2 (en)
KR (1) KR100263596B1 (en)
AR (1) AR001555A1 (en)
AT (1) ATE179966T1 (en)
AU (1) AU686506B2 (en)
BR (1) BR9604913A (en)
CA (1) CA2212508C (en)
CO (1) CO4560574A1 (en)
CZ (1) CZ289604B6 (en)
DE (1) DE69602434T2 (en)
DK (1) DK0819104T3 (en)
ES (1) ES2134610T3 (en)
GR (1) GR3030931T3 (en)
HU (1) HU222600B1 (en)
MX (1) MX9707651A (en)
NO (1) NO312231B1 (en)
NZ (1) NZ305667A (en)
PL (1) PL182876B1 (en)
RU (1) RU2148567C1 (en)
TW (2) TW303318B (en)
WO (1) WO1996032226A2 (en)
ZA (1) ZA962757B (en)

Families Citing this family (139)

* Cited by examiner, † Cited by third party
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US5725162A (en) * 1995-04-05 1998-03-10 Saint Gobain/Norton Industrial Ceramics Corporation Firing sol-gel alumina particles
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US5779743A (en) * 1996-09-18 1998-07-14 Minnesota Mining And Manufacturing Company Method for making abrasive grain and abrasive articles
US5893935A (en) * 1997-01-09 1999-04-13 Minnesota Mining And Manufacturing Company Method for making abrasive grain using impregnation, and abrasive articles
US6206942B1 (en) 1997-01-09 2001-03-27 Minnesota Mining & Manufacturing Company Method for making abrasive grain using impregnation, and abrasive articles
US6929199B1 (en) * 1997-01-17 2005-08-16 Saint-Gobain Ceramics & Plastics, Inc. Explosive fragmentation process
US5885311A (en) * 1997-06-05 1999-03-23 Norton Company Abrasive products
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US6053956A (en) * 1998-05-19 2000-04-25 3M Innovative Properties Company Method for making abrasive grain using impregnation and abrasive articles
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US6277161B1 (en) 1999-09-28 2001-08-21 3M Innovative Properties Company Abrasive grain, abrasive articles, and methods of making and using the same
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US6669749B1 (en) 2000-02-02 2003-12-30 3M Innovative Properties Company Fused abrasive particles, abrasive articles, and methods of making and using the same
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