ATA45892A - A process for producing a finely divided oxide powder - Google Patents

A process for producing a finely divided oxide powder

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Publication number
ATA45892A
ATA45892A AT0045892A AT45892A ATA45892A AT A45892 A ATA45892 A AT A45892A AT 0045892 A AT0045892 A AT 0045892A AT 45892 A AT45892 A AT 45892A AT A45892 A ATA45892 A AT A45892A
Authority
AT
Austria
Prior art keywords
producing
process
finely divided
oxide powder
divided oxide
Prior art date
Application number
AT0045892A
Other languages
German (de)
Other versions
AT398967B (en
Original Assignee
Veitsch Radex Ag
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 Veitsch Radex Ag filed Critical Veitsch Radex Ag
Priority to AT0045892A priority Critical patent/AT398967B/en
Publication of ATA45892A publication Critical patent/ATA45892A/en
Application granted granted Critical
Publication of AT398967B publication Critical patent/AT398967B/en

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    • C04B35/00Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/626Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
    • C04B35/62605Treating the starting powders individually or as mixtures
    • C04B35/62645Thermal treatment of powders or mixtures thereof other than sintering
    • C04B35/62655Drying, e.g. freeze-drying, spray-drying, microwave or supercritical drying
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    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B13/00Oxygen; Ozone; Oxides or hydroxides in general
    • C01B13/14Methods for preparing oxides or hydroxides in general
    • C01B13/145After-treatment of oxides or hydroxides, e.g. pulverising, drying, decreasing the acidity
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    • C01INORGANIC CHEMISTRY
    • C01FCOMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F5/00Compounds of magnesium
    • C01F5/02Magnesia
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    • C04B35/00Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/03Shaped 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 magnesium oxide, calcium oxide or oxide mixtures derived from dolomite
    • C04B35/04Shaped 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 magnesium oxide, calcium oxide or oxide mixtures derived from dolomite based on magnesium oxide
    • C04B35/053Fine ceramics
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    • C04B35/00Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/626Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
    • C04B35/628Coating the powders or the macroscopic reinforcing agents
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    • C04B35/00Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/626Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
    • C04B35/628Coating the powders or the macroscopic reinforcing agents
    • C04B35/62886Coating the powders or the macroscopic reinforcing agents by wet chemical techniques
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    • C04B35/00Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/626Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
    • C04B35/63Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B using additives specially adapted for forming the products, e.g.. binder binders
    • C04B35/632Organic additives
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    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09CTREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES; PREPARATION OF CARBON BLACK; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C1/00Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
    • C09C1/02Compounds of alkaline earth metals or magnesium
    • C09C1/028Compounds containing only magnesium as metal
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    • C09C3/00Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
    • C09C3/006Combinations of treatments provided for in groups C09C3/04 - C09C3/12
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    • C09CTREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES; PREPARATION OF CARBON BLACK; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C3/00Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
    • C09C3/04Physical treatment, e.g. grinding, treatment with ultrasonic vibrations
    • C09C3/043Drying, calcination
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    • C09CTREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES; PREPARATION OF CARBON BLACK; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C3/00Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
    • C09C3/08Treatment with low-molecular-weight non-polymer organic compounds
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    • C09C3/00Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
    • C09C3/10Treatment with macromolecular organic compounds
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    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00Particle morphology
    • C01P2004/60Particles characterised by their size
    • C01P2004/61Micrometer sized, i.e. from 1-100 micrometer
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    • C01P2006/14Pore volume
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    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3205Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
    • C04B2235/3206Magnesium oxides or oxide-forming salts thereof
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    • C04B2235/02Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3217Aluminum oxide or oxide forming salts thereof, e.g. bauxite, alpha-alumina
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    • C04B2235/5418Particle size related information expressed by the size of the particles or aggregates thereof
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    • C04B2235/02Composition of constituents of the starting material or of secondary phases of the final product
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    • C04B2235/54Particle size related information
    • C04B2235/5418Particle size related information expressed by the size of the particles or aggregates thereof
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    • C04B2235/50Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
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AT0045892A 1992-03-10 1992-03-10 A process for producing a finely divided oxide powder AT398967B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT0045892A AT398967B (en) 1992-03-10 1992-03-10 A process for producing a finely divided oxide powder

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
AT0045892A AT398967B (en) 1992-03-10 1992-03-10 A process for producing a finely divided oxide powder
DE4306234A DE4306234C2 (en) 1992-03-10 1993-02-27 of the same finely divided oxide powder and using
FR9302678A FR2688420A1 (en) 1992-03-10 1993-03-09 Finely divided oxide powder.
GB9304891A GB2264939B (en) 1992-03-10 1993-03-10 Fine-grain oxide powder
ITMI930464A IT1270867B (en) 1992-03-10 1993-03-10 oxide powder to fine granules

Publications (2)

Publication Number Publication Date
ATA45892A true ATA45892A (en) 1994-07-15
AT398967B AT398967B (en) 1995-02-27

Family

ID=3491167

Family Applications (1)

Application Number Title Priority Date Filing Date
AT0045892A AT398967B (en) 1992-03-10 1992-03-10 A process for producing a finely divided oxide powder

Country Status (5)

Country Link
AT (1) AT398967B (en)
DE (1) DE4306234C2 (en)
FR (1) FR2688420A1 (en)
GB (1) GB2264939B (en)
IT (1) IT1270867B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9415562D0 (en) * 1994-08-02 1994-09-21 Dytech Corp Ltd Ceramic articles
DE10058077B4 (en) * 2000-11-23 2008-05-08 Schott Ag Use of coated particles

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU711023A1 (en) * 1976-12-07 1980-01-25 Украинский научно-исследовательский институт огнеупоров Method of powder granulation
SE7900812L (en) * 1979-01-30 1980-07-31 Magnusson R C G Device for electrochemical accumulator cells
DE3020854A1 (en) * 1980-06-02 1981-12-10 Lentia Gmbh Absorbing filler for paper, cardboard or paperboard
JPS60200824A (en) * 1984-03-27 1985-10-11 Shin Nippon Kagaku Kogyo Co Ltd Magnesia and its production
DE3719825A1 (en) * 1987-06-13 1988-12-29 Kernforschungsz Karlsruhe A method for producing ceramic powders and apparatus thereof for IMPLEMENTATION
CA1273647A (en) * 1987-08-19 1990-09-04 Jean V. Sang Production of ceramic powders by emulsion precipitation processes and the products thereof
JPS6475030A (en) * 1987-09-14 1989-03-20 Asahi Optical Co Ltd Production of spherical ceramic particles
AT392464B (en) * 1988-08-10 1991-04-10 Veitscher Magnesitwerke Ag Magnesium oxide in the form of a fine powder and its use
DE3840316C1 (en) * 1988-11-30 1990-04-19 Kernforschungszentrum Karlsruhe Gmbh, 7500 Karlsruhe, De
JPH0350120A (en) * 1989-07-18 1991-03-04 Ishihara Sangyo Kaisha Ltd Production of titanium dioxide pigment powder
DE3932166A1 (en) * 1989-09-27 1991-04-04 Bayer Ag Red oxide and iron oxide brown micro granules, processes for their production and their use

Also Published As

Publication number Publication date
GB2264939B (en) 1995-08-09
FR2688420A1 (en) 1993-09-17
GB9304891D0 (en) 1993-04-28
DE4306234A1 (en) 1993-09-16
AT398967B (en) 1995-02-27
DE4306234C2 (en) 1995-09-07
GB2264939A (en) 1993-09-15
ITMI930464D0 (en) 1993-03-10
IT1270867B (en) 1997-05-13
ITMI930464A1 (en) 1993-09-11

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