JPS5366895A - Ultra lightweight spherical secondary particle gypsum and production thereof - Google Patents

Ultra lightweight spherical secondary particle gypsum and production thereof

Info

Publication number
JPS5366895A
JPS5366895A JP14221276A JP14221276A JPS5366895A JP S5366895 A JPS5366895 A JP S5366895A JP 14221276 A JP14221276 A JP 14221276A JP 14221276 A JP14221276 A JP 14221276A JP S5366895 A JPS5366895 A JP S5366895A
Authority
JP
Japan
Prior art keywords
production
secondary particle
gypsum
spherical secondary
ultra lightweight
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.)
Granted
Application number
JP14221276A
Other languages
Japanese (ja)
Other versions
JPS5817132B2 (en
Inventor
Toshiyuki Taku
Masami Takasaki
Chikao Shiho
Masaru Inoue
Mitsuo Hashimoto
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.)
Idemitsu Kosan Co Ltd
Original Assignee
Idemitsu Kosan Co Ltd
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 Idemitsu Kosan Co Ltd filed Critical Idemitsu Kosan Co Ltd
Priority to JP51142212A priority Critical patent/JPS5817132B2/en
Priority to SE7706274A priority patent/SE7706274L/en
Priority to FR7717906A priority patent/FR2372120A1/en
Priority to CA000280321A priority patent/CA1117271A/en
Priority to IT4979277A priority patent/IT1115860B/en
Priority to GB2472477A priority patent/GB1536097A/en
Priority to DE19772728213 priority patent/DE2728213A1/en
Publication of JPS5366895A publication Critical patent/JPS5366895A/en
Publication of JPS5817132B2 publication Critical patent/JPS5817132B2/en
Expired 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
    • C04B11/00—Calcium sulfate cements
    • 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
    • C01F11/466—Conversion of one form of calcium sulfate to another
    • 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
    • C04B14/02—Granular materials, e.g. microballoons
    • C04B14/36—Inorganic materials not provided for in groups C04B14/022 and C04B14/04 - C04B14/34
    • C04B14/365—Gypsum

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Civil Engineering (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Inorganic Fibers (AREA)

Abstract

PURPOSE: To obtain spherical particle gypsum composed of fibrous gypsum by subjecting a specified amt. of dihydrate or hemihydrate gypsum to hydrothermal reaction in an acidic solvent with heating and stirring.
COPYRIGHT: (C)1978,JPO&Japio
JP51142212A 1976-11-29 1976-11-29 Spherical settsukou and its manufacturing method Expired JPS5817132B2 (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
JP51142212A JPS5817132B2 (en) 1976-11-29 1976-11-29 Spherical settsukou and its manufacturing method
SE7706274A SE7706274L (en) 1976-11-29 1977-05-27 SPHERIC PLASTER AND PROCEDURE FOR MANUFACTURE THEREOF
FR7717906A FR2372120A1 (en) 1976-11-29 1977-06-10 SPHERICAL GYPSUM AND ITS PREPARATION PROCESS
CA000280321A CA1117271A (en) 1976-11-29 1977-06-10 Spherical gypsum and process for production of same
IT4979277A IT1115860B (en) 1976-11-29 1977-06-13 SPHERICAL PLASTER AND PROCEDURE TO PRODUCE IT
GB2472477A GB1536097A (en) 1976-11-29 1977-06-14 Granular gypsum and process for production of same
DE19772728213 DE2728213A1 (en) 1976-11-29 1977-06-23 SPHERICAL PLASTER AND METHOD FOR MANUFACTURING IT

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP51142212A JPS5817132B2 (en) 1976-11-29 1976-11-29 Spherical settsukou and its manufacturing method

Publications (2)

Publication Number Publication Date
JPS5366895A true JPS5366895A (en) 1978-06-14
JPS5817132B2 JPS5817132B2 (en) 1983-04-05

Family

ID=15309996

Family Applications (1)

Application Number Title Priority Date Filing Date
JP51142212A Expired JPS5817132B2 (en) 1976-11-29 1976-11-29 Spherical settsukou and its manufacturing method

Country Status (7)

Country Link
JP (1) JPS5817132B2 (en)
CA (1) CA1117271A (en)
DE (1) DE2728213A1 (en)
FR (1) FR2372120A1 (en)
GB (1) GB1536097A (en)
IT (1) IT1115860B (en)
SE (1) SE7706274L (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5556060A (en) * 1978-10-14 1980-04-24 Idemitsu Kosan Co Refractory material
JPS55152815U (en) * 1979-04-18 1980-11-04
JPS55144416A (en) * 1979-05-01 1980-11-11 Idemitsu Kosan Co Ltd Manufacture of light weight spherical gypsum
JPS56145116A (en) * 1980-04-14 1981-11-11 Idemitsu Kosan Co Ltd Continuous preparation of light gypsum

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114014620B (en) * 2021-10-29 2022-12-06 北京建筑材料科学研究总院有限公司 Lightweight aggregate and preparation method and application thereof

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5240494A (en) * 1975-09-29 1977-03-29 Onoda Cement Co Ltd Process for producing needle crystal fiber of gypsum

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5240494A (en) * 1975-09-29 1977-03-29 Onoda Cement Co Ltd Process for producing needle crystal fiber of gypsum

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5556060A (en) * 1978-10-14 1980-04-24 Idemitsu Kosan Co Refractory material
JPS6221745B2 (en) * 1978-10-14 1987-05-14 Idemitsu Kosan Co
JPS55152815U (en) * 1979-04-18 1980-11-04
JPS55144416A (en) * 1979-05-01 1980-11-11 Idemitsu Kosan Co Ltd Manufacture of light weight spherical gypsum
JPS6232132B2 (en) * 1979-05-01 1987-07-13 Idemitsu Kosan Co
JPS56145116A (en) * 1980-04-14 1981-11-11 Idemitsu Kosan Co Ltd Continuous preparation of light gypsum
JPS6320785B2 (en) * 1980-04-14 1988-04-30 Idemitsu Kosan Co

Also Published As

Publication number Publication date
DE2728213A1 (en) 1978-06-01
FR2372120B1 (en) 1981-12-24
IT1115860B (en) 1986-02-10
SE7706274L (en) 1978-05-30
FR2372120A1 (en) 1978-06-23
CA1117271A (en) 1982-02-02
JPS5817132B2 (en) 1983-04-05
GB1536097A (en) 1978-12-20

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