KR960022337A - Manufacturing Method of Mullite Whiskers - Google Patents
Manufacturing Method of Mullite Whiskers Download PDFInfo
- Publication number
- KR960022337A KR960022337A KR1019950044160A KR19950044160A KR960022337A KR 960022337 A KR960022337 A KR 960022337A KR 1019950044160 A KR1019950044160 A KR 1019950044160A KR 19950044160 A KR19950044160 A KR 19950044160A KR 960022337 A KR960022337 A KR 960022337A
- Authority
- KR
- South Korea
- Prior art keywords
- catalyst
- silica
- group
- precursor
- alumina
- Prior art date
Links
- KZHJGOXRZJKJNY-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Si]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O KZHJGOXRZJKJNY-UHFFFAOYSA-N 0.000 title claims abstract 4
- 229910052863 mullite Inorganic materials 0.000 title claims abstract 4
- 238000004519 manufacturing process Methods 0.000 title abstract 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract 16
- 239000000377 silicon dioxide Substances 0.000 claims abstract 6
- 239000003054 catalyst Substances 0.000 claims abstract 5
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract 4
- 239000002243 precursor Substances 0.000 claims abstract 4
- MXRIRQGCELJRSN-UHFFFAOYSA-N O.O.O.[Al] Chemical compound O.O.O.[Al] MXRIRQGCELJRSN-UHFFFAOYSA-N 0.000 claims abstract 2
- 229910001593 boehmite Inorganic materials 0.000 claims abstract 2
- 229910021485 fumed silica Inorganic materials 0.000 claims abstract 2
- FAHBNUUHRFUEAI-UHFFFAOYSA-M hydroxidooxidoaluminium Chemical compound O[Al]=O FAHBNUUHRFUEAI-UHFFFAOYSA-M 0.000 claims abstract 2
- 239000004576 sand Substances 0.000 claims abstract 2
- 238000000034 method Methods 0.000 claims 5
- 229910017855 NH 4 F Inorganic materials 0.000 claims 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims 1
- 229910052731 fluorine Inorganic materials 0.000 claims 1
- 125000001153 fluoro group Chemical group F* 0.000 claims 1
- 239000002783 friction material Substances 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 claims 1
- 238000002360 preparation method Methods 0.000 claims 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/20—Silicates
- C01B33/26—Aluminium-containing silicates, i.e. silico-aluminates
-
- 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
- C04B35/62227—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products obtaining fibres
- C04B35/62231—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products obtaining fibres based on oxide ceramics
- C04B35/6224—Fibres based on silica
- C04B35/62245—Fibres based on silica rich in aluminium oxide
-
- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3217—Aluminum oxide or oxide forming salts thereof, e.g. bauxite, alpha-alumina
-
- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3418—Silicon oxide, silicic acids or oxide forming salts thereof, e.g. silica sol, fused silica, silica fume, cristobalite, quartz or flint
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Inorganic Fibers (AREA)
Abstract
본 발명은 깁사이트(Al(OH)3), 보헤마이트(A1OOH) 및 γ~알루미나의 군으로부터 선택된 적어도 하나를 알루미나원으로 하고, 침전실리카, 실리카샌드 및 퓸드실리카의 군으로부터 선택된 적어도 하나를 실리카원으로 하여 제조한 전구체에 촉매를 도입하여 900~1400℃의 온도에서 0.5~5시간동안 반응시키는 것을 특징으로 하는 뮬라이트 휘스커의 제조방법.The present invention uses at least one selected from the group of Gibbsite (Al (OH) 3 ), boehmite (A1OOH) and γ-alumina as the alumina source, and at least one selected from the group of precipitated silica, silica sand and fumed silica. A method for producing a mullite whisker, comprising introducing a catalyst into a precursor prepared as a silica source and reacting at a temperature of 900 to 1400 ° C. for 0.5 to 5 hours.
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.
Claims (5)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR94-39897 | 1994-12-30 | ||
KR1019940039897 | 1994-12-30 | ||
KR19940039897 | 1994-12-30 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR960022337A true KR960022337A (en) | 1996-07-18 |
KR100348009B1 KR100348009B1 (en) | 2002-11-13 |
Family
ID=37488805
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019950044160A KR100348009B1 (en) | 1994-12-30 | 1995-11-28 | Method of making mullite whiskers |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100348009B1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115259846A (en) * | 2022-07-13 | 2022-11-01 | 合肥工业大学 | Ceramic material and preparation method thereof |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4910172A (en) * | 1989-02-08 | 1990-03-20 | The United States Of America As Represented By The Secretary Of The Navy | Preparation of mullite whiskers from AlF3, SiO2, and Al2 O3 powders |
US5340516A (en) * | 1989-07-28 | 1994-08-23 | Engelhard Corporation | Thermal shock and creep resistant porous mullite articles prepared from topaz and process for manufacture |
JP3455554B2 (en) * | 1992-12-24 | 2003-10-14 | 川鉄鉱業株式会社 | Mullite whisker manufacturing method |
-
1995
- 1995-11-28 KR KR1019950044160A patent/KR100348009B1/en not_active IP Right Cessation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115259846A (en) * | 2022-07-13 | 2022-11-01 | 合肥工业大学 | Ceramic material and preparation method thereof |
Also Published As
Publication number | Publication date |
---|---|
KR100348009B1 (en) | 2002-11-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
N231 | Notification of change of applicant | ||
E701 | Decision to grant or registration of patent right | ||
GRNT | Written decision to grant | ||
FPAY | Annual fee payment |
Payment date: 20050621 Year of fee payment: 4 |
|
LAPS | Lapse due to unpaid annual fee |