CA1077245A - Process for preparing shaped articles from gypsum - Google Patents

Process for preparing shaped articles from gypsum

Info

Publication number
CA1077245A
CA1077245A CA232,971A CA232971A CA1077245A CA 1077245 A CA1077245 A CA 1077245A CA 232971 A CA232971 A CA 232971A CA 1077245 A CA1077245 A CA 1077245A
Authority
CA
Canada
Prior art keywords
weight
gypsum
calcium sulphate
resp
process according
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
CA232,971A
Other languages
English (en)
French (fr)
Inventor
Hugo W. A. Houtsmuller
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.)
Unie Van Kunstmestfabrieken BV
Original Assignee
Unie Van Kunstmestfabrieken BV
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 Unie Van Kunstmestfabrieken BV filed Critical Unie Van Kunstmestfabrieken BV
Application granted granted Critical
Publication of CA1077245A publication Critical patent/CA1077245A/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
    • C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/14—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements
    • C04B28/141—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements containing dihydrated gypsum before the final hardening step, e.g. forming a dihydrated gypsum product followed by a de- and rehydration step

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)
CA232,971A 1974-08-09 1975-08-06 Process for preparing shaped articles from gypsum Expired CA1077245A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7410706A NL7410706A (nl) 1974-08-09 1974-08-09 Werkwijze voor het vervaardigen van vormlingen uit gips.

Publications (1)

Publication Number Publication Date
CA1077245A true CA1077245A (en) 1980-05-13

Family

ID=19821890

Family Applications (1)

Application Number Title Priority Date Filing Date
CA232,971A Expired CA1077245A (en) 1974-08-09 1975-08-06 Process for preparing shaped articles from gypsum

Country Status (12)

Country Link
JP (1) JPS5145120A (el)
BE (1) BE832152A (el)
BR (1) BR7505111A (el)
CA (1) CA1077245A (el)
DE (1) DE2535577A1 (el)
ES (1) ES440142A1 (el)
FR (1) FR2281202A1 (el)
GB (1) GB1479804A (el)
IT (1) IT1041174B (el)
NL (1) NL7410706A (el)
PL (1) PL112807B1 (el)
ZA (1) ZA755010B (el)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7604948A (nl) * 1976-05-08 1977-11-10 Stamicarbon Werkwijze voor het vervaardigen van vormlingen uit calciumsulfaatdihydraat.
SU863537A1 (ru) * 1977-04-27 1981-09-15 Ростовский Филиал Производственно-Технического Объединения "Росоргтехстром" Способ изготовлени гипсовых изделий
FR2462402A1 (fr) * 1979-08-03 1981-02-13 Setec Geotechnique Procede de fabrication d'elements de construction a partir de sulfate de calcium hydrate, residu de traitement de phosphate calcique
FI59872C (fi) * 1979-12-21 1981-10-12 Pentti Veikko Kalevi Hukkanen Foerfarande foer framstaellning av engaongsmaol exempelvis lerduvor foer skyttesport eller liknande
JP2596994B2 (ja) * 1988-12-06 1997-04-02 三菱重工業株式会社 石膏硬化体の製造方法
DE729926T1 (de) * 1995-03-03 1997-01-30 Gyproc Benelux Nv Verfahren zur Herstellung von Gipsbauteilen und nach diesem Verfahren hergestellte Gipsbauteile

Also Published As

Publication number Publication date
ZA755010B (en) 1976-07-28
FR2281202A1 (fr) 1976-03-05
IT1041174B (it) 1980-01-10
BE832152A (nl) 1976-02-06
GB1479804A (en) 1977-07-13
NL7410706A (nl) 1976-02-11
ES440142A1 (es) 1977-03-01
PL112807B1 (en) 1980-11-29
JPS5145120A (el) 1976-04-17
BR7505111A (pt) 1976-08-03
DE2535577A1 (de) 1976-02-26
FR2281202B1 (el) 1982-08-20

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Legal Events

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