JPS52156199A - Production of gypsum fiber - Google Patents

Production of gypsum fiber

Info

Publication number
JPS52156199A
JPS52156199A JP7276176A JP7276176A JPS52156199A JP S52156199 A JPS52156199 A JP S52156199A JP 7276176 A JP7276176 A JP 7276176A JP 7276176 A JP7276176 A JP 7276176A JP S52156199 A JPS52156199 A JP S52156199A
Authority
JP
Japan
Prior art keywords
production
gypsum fiber
crystal
type hemihydrate
gypsum
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.)
Pending
Application number
JP7276176A
Other languages
Japanese (ja)
Inventor
Sadahiko Ueda
Masaharu Abe
Hiroshi Hagiwara
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.)
Kanegafuchi Chemical Industry Co Ltd
Onoda Cement Co Ltd
Original Assignee
Kanegafuchi Chemical Industry Co Ltd
Onoda Cement 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 Kanegafuchi Chemical Industry Co Ltd, Onoda Cement Co Ltd filed Critical Kanegafuchi Chemical Industry Co Ltd
Priority to JP7276176A priority Critical patent/JPS52156199A/en
Publication of JPS52156199A publication Critical patent/JPS52156199A/en
Pending 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
    • C01F11/466—Conversion of one form of calcium sulfate to another

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Inorganic Fibers (AREA)

Abstract

PURPOSE: To newly obtain needle-like crystal of fibrous α-type hemihydrate gypsum by adding prescribed needle-like crystal of α-type hemihydrate gypsum to an aq. slurry of dihydrate gypsum powder before crystal seed of α-type hemihydrate gypsum is newly generated.
COPYRIGHT: (C)1977,JPO&Japio
JP7276176A 1976-06-22 1976-06-22 Production of gypsum fiber Pending JPS52156199A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7276176A JPS52156199A (en) 1976-06-22 1976-06-22 Production of gypsum fiber

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7276176A JPS52156199A (en) 1976-06-22 1976-06-22 Production of gypsum fiber

Publications (1)

Publication Number Publication Date
JPS52156199A true JPS52156199A (en) 1977-12-26

Family

ID=13498658

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7276176A Pending JPS52156199A (en) 1976-06-22 1976-06-22 Production of gypsum fiber

Country Status (1)

Country Link
JP (1) JPS52156199A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2413339A1 (en) * 1977-12-29 1979-07-27 Idemitsu Kosan Co CALCIUM SULPHATE PREPARATION PROCESS

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2413339A1 (en) * 1977-12-29 1979-07-27 Idemitsu Kosan Co CALCIUM SULPHATE PREPARATION PROCESS

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