GB1547423A - Gypsum whisker composites - Google Patents

Gypsum whisker composites

Info

Publication number
GB1547423A
GB1547423A GB1191077A GB1191077A GB1547423A GB 1547423 A GB1547423 A GB 1547423A GB 1191077 A GB1191077 A GB 1191077A GB 1191077 A GB1191077 A GB 1191077A GB 1547423 A GB1547423 A GB 1547423A
Authority
GB
United Kingdom
Prior art keywords
gypsum whisker
whisker composites
composites
gypsum
whisker
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.)
Expired
Application number
GB1191077A
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.)
JAPAN GOVERNMENT
Original Assignee
JAPAN GOVERNMENT
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
Priority claimed from JP50039673A external-priority patent/JPS5838363B2/en
Priority claimed from JP50094618A external-priority patent/JPS5218496A/en
Priority claimed from JP50094619A external-priority patent/JPS59467B2/en
Application filed by JAPAN GOVERNMENT filed Critical JAPAN GOVERNMENT
Publication of GB1547423A publication Critical patent/GB1547423A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F11/00—Compounds of calcium, strontium, or barium
    • C01F11/46—Sulfates
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F11/00—Compounds of calcium, strontium, or barium
    • C01F11/46—Sulfates
    • C01F11/464—Sulfates of Ca from gases containing sulfur oxides
    • 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
    • C04B11/00—Calcium sulfate cements
    • C04B11/26—Calcium sulfate cements strating from chemical gypsum; starting from phosphogypsum or from waste, e.g. purification products of smoke
    • C04B11/262—Calcium sulfate cements strating from chemical gypsum; starting from phosphogypsum or from waste, e.g. purification products of smoke waste gypsum other than phosphogypsum
    • C04B11/264—Gypsum from the desulfurisation of flue gases
    • 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
    • C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B14/38—Fibrous materials; Whiskers
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/01—Particle morphology depicted by an image
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/10—Particle morphology extending in one dimension, e.g. needle-like
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/20—Particle morphology extending in two dimensions, e.g. plate-like
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/30—Particle morphology extending in three dimensions
    • C01P2004/40—Particle morphology extending in three dimensions prism-like

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Civil Engineering (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
GB1191077A 1975-03-31 1976-03-30 Gypsum whisker composites Expired GB1547423A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP50039673A JPS5838363B2 (en) 1975-03-31 1975-03-31 Alfa Gatahansuisetsukou Oseizosurhouhou
JP50094618A JPS5218496A (en) 1975-08-01 1975-08-01 Process for production of alpha-type gypsum hemi-hydrate from sulfur oxide in the waste gas
JP50094619A JPS59467B2 (en) 1975-08-01 1975-08-01 Setsukou Whisker - Fukugoutai

Publications (1)

Publication Number Publication Date
GB1547423A true GB1547423A (en) 1979-06-20

Family

ID=27290218

Family Applications (3)

Application Number Title Priority Date Filing Date
GB1278976A Expired GB1547422A (en) 1975-03-31 1976-03-30 Manufacture of gypsum
GB1191177A Expired GB1547424A (en) 1975-03-31 1976-03-30 Method of producing needlelike 11-anhydrite gypsum
GB1191077A Expired GB1547423A (en) 1975-03-31 1976-03-30 Gypsum whisker composites

Family Applications Before (2)

Application Number Title Priority Date Filing Date
GB1278976A Expired GB1547422A (en) 1975-03-31 1976-03-30 Manufacture of gypsum
GB1191177A Expired GB1547424A (en) 1975-03-31 1976-03-30 Method of producing needlelike 11-anhydrite gypsum

Country Status (2)

Country Link
DE (3) DE2659861C2 (en)
GB (3) GB1547422A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4440575A (en) * 1979-06-11 1984-04-03 Daussan Jean Granular insulation product and process for its preparation
CN114836830A (en) * 2022-05-16 2022-08-02 西华大学 Alpha-calcium sulfate hemihydrate crystal whisker with high length-diameter ratio and preparation method and application thereof

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4255398A (en) * 1977-03-15 1981-03-10 Hyogo Prefectural Government Of Japan Novel ettringite whiskers, production and uses
JPS53137093A (en) * 1977-03-15 1978-11-30 Hiyougoken Method of synthesizing ettringite
DE3129878C2 (en) * 1981-07-29 1985-01-31 Gottfried Bischoff Bau kompl. Gasreinigungs- und Wasserrückkühlanlagen GmbH & Co KG, 4300 Essen Process for the production of alpha calcium sulfate hemihydrate from desulfurization sludge
DE3146143C2 (en) * 1981-11-21 1986-06-19 L. & C. Steinmüller GmbH, 5270 Gummersbach Process for the production of synthetic anhydrite in finely crystalline form
SE438846B (en) * 1982-11-12 1985-05-13 Flaekt Ab PROCEDURE AND DEVICE FOR CLEANING OF GAS GAS FROM SULFUR DIOXIDE
SE8302590L (en) * 1983-05-06 1984-11-07 Boliden Ab PROCEDURE FOR MANUFACTURING FIBER PLASTICS (I)
SE8302591L (en) * 1983-05-06 1984-11-07 Boliden Ab PROCEDURE FOR MANUFACTURING FIBER PLASTICS (II)
NL8402502A (en) * 1983-09-03 1985-04-01 Bischoff Gasreinigung METHOD FOR CONVERTING THE RESIDUE FROM FLUE-GAS desulfurization plants in alpha-hydroxyhydrate plaster crystals
CA1258961A (en) * 1984-09-17 1989-09-05 Yoshihiko Kudo PROCESS FOR PRODUCING .alpha.-FORM GYPSUM HEMIHYDRATE
DE3539261A1 (en) * 1985-11-06 1987-05-07 Hoelter Heinz Anhydrite for the production of dam construction materials in mining
JP2642978B2 (en) * 1989-01-17 1997-08-20 三菱重工業株式会社 Manufacturing method of anhydrous gypsum
US5312609A (en) * 1992-12-31 1994-05-17 Dravo Lime Company Method of sulfur dioxide removal from gaseous streams with α-hemihydrate gypsum product formation
FI102959B1 (en) * 1996-09-23 1999-03-31 Kemira Agro Oy A process for oxidizing magnesium sulfite or magnesium hydrogen sulfite
CN102677177B (en) * 2012-04-13 2015-08-26 昆明理工大学 A kind of preparation method of high length-diameter ratio hemihydrate calcium sulfate crystal whisker
WO2015085133A1 (en) * 2013-12-06 2015-06-11 Georgia-Pacific Gypsum Llc Calcium sulfate crystals and methods for making the same
CN104313727B (en) * 2014-10-10 2016-08-17 孙红芳 A kind of method utilizing alabaster to prepare gypsum fiber
CN110438568B (en) * 2019-07-31 2024-02-27 一夫科技股份有限公司 Method and system for producing gypsum whisker by using citric acid gypsum

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US782321A (en) * 1904-02-29 1905-02-14 William Brothers Manufacture of crystalline gypsum applicable for filling purposes.
US1901051A (en) * 1929-08-08 1933-03-14 United States Gypsum Co High strength calcined gypsum and process of manufacturing same
DE1157128B (en) * 1962-05-25 1963-11-07 Giulini Ges Mit Beschraenkter Process for the production of ª ‡ calcium sulfate hemihydrate from synthetic calcium sulfate dihydrate
GB1079502A (en) * 1963-05-28 1967-08-16 Cafferata & Co Ltd Improvements in and relating to the production of calcium sulphate hemihydrate
GB1051849A (en) * 1963-12-03
DE1238374B (en) * 1965-04-24 1967-04-06 Giulini Ges Mit Beschraenkter Process for the production of alpha calcium sulfate hemihydrate
US3552918A (en) * 1966-11-08 1971-01-05 Dorr Oliver Inc Process for the production of phosphoric acid
GB1202893A (en) * 1967-02-09 1970-08-19 Fisons Ltd Calcium sulphate hemihydrate
DE1592121C3 (en) * 1967-08-16 1975-08-14 Gebrueder Giulini Gmbh, 6700 Ludwigshafen Process for the continuous production of alpha calcium sulfate hemihydrate
GB1262083A (en) * 1968-05-28 1972-02-02 Bpb Industries Ltd alpha-CALCIUM SULPHATE HEMIHYDRATE
DE1923993C3 (en) * 1969-05-10 1973-10-11 Gebrueder Giulini Gmbh, 6700 Ludwigshafen Process for the control of stallion costumes and growth in the hydrothermal production of alpha calcium sulfate hemihydrate
CA950169A (en) * 1970-10-26 1974-07-02 Kureha Kagaku Kogyo Kabushiki Kaisha Production of gypsum from combustion exhaust gas
DE2107484A1 (en) * 1971-02-17 1972-08-31 Farbenfabriken Bayer Ag, 5090 Leverkusen Production of screeds and building elements according to the flow process
DE2146007B2 (en) * 1971-09-15 1976-11-11 Gebrüder Giulini GmbH, 6700 Ludwigshafen PROCESS FOR THE SEPARATION OF ALPHA CALCIUM SULFATE HALBYDRATE FROM A SUSPENSION
US3822340A (en) * 1972-03-27 1974-07-02 Franklin Key Calcium sulfate whisker fibers and the method for the manufacture thereof
JPS5222353B2 (en) * 1972-07-22 1977-06-16
JPS5147436B2 (en) * 1972-11-10 1976-12-15
JPS5211680B2 (en) * 1973-03-14 1977-04-01
DE2752367A1 (en) 1977-11-24 1979-06-07 Bayer Ag Hemi:hydrate whiskers prodn. - by boiling mono:basic acid soln. or suspension contg. gypsum

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4440575A (en) * 1979-06-11 1984-04-03 Daussan Jean Granular insulation product and process for its preparation
CN114836830A (en) * 2022-05-16 2022-08-02 西华大学 Alpha-calcium sulfate hemihydrate crystal whisker with high length-diameter ratio and preparation method and application thereof
CN114836830B (en) * 2022-05-16 2023-05-16 西华大学 Alpha-calcium sulfate hemihydrate whisker with high length-diameter ratio and preparation method and application thereof

Also Published As

Publication number Publication date
DE2659860A1 (en) 1977-09-01
DE2659861A1 (en) 1977-09-01
GB1547424A (en) 1979-06-20
DE2613651C2 (en) 1982-04-15
DE2613651A1 (en) 1976-10-07
DE2659860C2 (en) 1982-06-09
GB1547422A (en) 1979-06-20
DE2659861C2 (en) 1982-07-01

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee