BE795294A - Procede de preparation de produits a base de platre pratiquement non efflorescents - Google Patents

Procede de preparation de produits a base de platre pratiquement non efflorescents

Info

Publication number
BE795294A
BE795294A BE795294DA BE795294A BE 795294 A BE795294 A BE 795294A BE 795294D A BE795294D A BE 795294DA BE 795294 A BE795294 A BE 795294A
Authority
BE
Belgium
Prior art keywords
efflorescent
plaster
preparation
based products
practically non
Prior art date
Application number
Other languages
English (en)
French (fr)
Original Assignee
Knauf Westdeutsche Gips
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.)
Publication date
Publication of BE795294A publication Critical patent/BE795294A/xx

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)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Chemical Kinetics & Catalysis (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)
BE795294D 1972-02-24 Procede de preparation de produits a base de platre pratiquement non efflorescents BE795294A (fr)

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 (1)

Publication Number Publication Date
BE795294A true BE795294A (fr) 1973-05-29

Family

ID=5836955

Family Applications (1)

Application Number Title Priority Date Filing Date
BE795294D BE795294A (fr) 1972-02-24 Procede de preparation de produits a base de platre pratiquement non efflorescents

Country Status (5)

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

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
DE2208730A1 (de) 1973-08-30
FR2182835B1 (enExample) 1977-09-02
DE2208730B2 (de) 1976-10-07
NL7300868A (enExample) 1973-08-28
ZA731290B (en) 1974-05-29
FR2182835A1 (en) 1973-12-14

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: GEBR. KNAUF WESTDEUTSCHE GIPSWERKE

Effective date: 19840212