FR2182835B1 - - Google Patents

Info

Publication number
FR2182835B1
FR2182835B1 FR7303829A FR7303829A FR2182835B1 FR 2182835 B1 FR2182835 B1 FR 2182835B1 FR 7303829 A FR7303829 A FR 7303829A FR 7303829 A FR7303829 A FR 7303829A FR 2182835 B1 FR2182835 B1 FR 2182835B1
Authority
FR
France
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
FR7303829A
Other languages
French (fr)
Other versions
FR2182835A1 (en
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.)
Knauf Gips KG
Original Assignee
Gebr Knauf Westdeutsche Gipswerke
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 Gebr Knauf Westdeutsche Gipswerke filed Critical Gebr Knauf Westdeutsche Gipswerke
Publication of FR2182835A1 publication Critical patent/FR2182835A1/fr
Application granted granted Critical
Publication of FR2182835B1 publication Critical patent/FR2182835B1/fr
Granted 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
    • 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
    • C01F11/468—Purification of calcium sulfates
    • 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
    • C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
    • C04B24/005—Halogen-containing compounds
    • 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
    • C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
    • C04B24/04—Carboxylic acids; Salts, anhydrides or esters thereof
    • 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
    • C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
    • C04B24/12—Nitrogen containing compounds organic derivatives of hydrazine
    • C04B24/123—Amino-carboxylic acids
    • 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
    • C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
    • C04B24/16—Sulfur-containing compounds
    • C04B24/20—Sulfonated aromatic compounds
    • 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
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/20—Resistance against chemical, physical or biological attack
    • C04B2111/21—Efflorescence resistance

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Cosmetics (AREA)
FR7303829A 1972-02-24 1973-02-02 Non-efflorescent plaster products - based on calcium sulphate contg sodium salts and organic acid additives Granted FR2182835A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722208730 DE2208730B2 (de) 1972-02-24 1972-02-24 Verfahren zur herstellung von praktisch ausbluehungsfreien gipsprodukten

Publications (2)

Publication Number Publication Date
FR2182835A1 FR2182835A1 (en) 1973-12-14
FR2182835B1 true FR2182835B1 (pl) 1977-09-02

Family

ID=5836955

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7303829A Granted FR2182835A1 (en) 1972-02-24 1973-02-02 Non-efflorescent plaster products - based on calcium sulphate contg sodium salts and organic acid additives

Country Status (5)

Country Link
BE (1) BE795294A (pl)
DE (1) DE2208730B2 (pl)
FR (1) FR2182835A1 (pl)
NL (1) NL7300868A (pl)
ZA (1) ZA731290B (pl)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4126599A (en) * 1976-02-26 1978-11-21 Mizusawa Kagaku Kogyo Kabushiki Kaisha Water-resistant shaped structure of gypsum and process for production thereof
WO2013001038A1 (en) * 2011-06-29 2013-01-03 Sika Technology Ag Skin layer reduction in calcium sulfate based binder compositions

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE20751C (de) * F. W. POESTGES in Düsseldorf, Ackerstr. 109 Verfahren zur Herstellung von Massen I für künstliche Steine und Putz und zum Färben j des letzteren
GB458767A (en) * 1935-06-24 1936-12-24 John Stanley Dunn Improvements in and relating to calcium sulphate plasters
GB484304A (en) * 1936-11-02 1938-05-02 Gyproc Products Ltd Improvement in plaster of paris compositions
US2605191A (en) * 1950-02-25 1952-07-29 Johnson & Johnson Method of making plaster of paris product
FR1121125A (fr) * 1955-02-04 1956-07-23 Procédé de traitement du plâtre
US3054687A (en) * 1960-04-14 1962-09-18 Dow Chemical Co Retardation of set time of aqueous gypsum compositions

Also Published As

Publication number Publication date
FR2182835A1 (en) 1973-12-14
BE795294A (fr) 1973-05-29
NL7300868A (pl) 1973-08-28
ZA731290B (en) 1974-05-29
DE2208730A1 (de) 1973-08-30
DE2208730B2 (de) 1976-10-07

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Legal Events

Date Code Title Description
ST Notification of lapse