DE2208730B2 - Verfahren zur herstellung von praktisch ausbluehungsfreien gipsprodukten - Google Patents

Verfahren zur herstellung von praktisch ausbluehungsfreien gipsprodukten

Info

Publication number
DE2208730B2
DE2208730B2 DE19722208730 DE2208730A DE2208730B2 DE 2208730 B2 DE2208730 B2 DE 2208730B2 DE 19722208730 DE19722208730 DE 19722208730 DE 2208730 A DE2208730 A DE 2208730A DE 2208730 B2 DE2208730 B2 DE 2208730B2
Authority
DE
Germany
Prior art keywords
acid
calcium
gypsum
efflorescence
plaster
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.)
Ceased
Application number
DE19722208730
Other languages
German (de)
English (en)
Other versions
DE2208730A1 (de
Inventor
Helmut Dipl.-Chem. Dr. 8711 Mainbernheim Groeger
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.)
Gebr Knauf KG
Original Assignee
Gebr Knauf KG
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
Priority to BE795294D priority Critical patent/BE795294A/xx
Application filed by Gebr Knauf KG filed Critical Gebr Knauf KG
Priority to DE19722208730 priority patent/DE2208730B2/de
Priority to NL7300868A priority patent/NL7300868A/xx
Priority to FR7303829A priority patent/FR2182835A1/fr
Priority to ZA731290A priority patent/ZA731290B/xx
Publication of DE2208730A1 publication Critical patent/DE2208730A1/de
Publication of DE2208730B2 publication Critical patent/DE2208730B2/de
Ceased 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)
  • 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)
DE19722208730 1972-02-24 1972-02-24 Verfahren zur herstellung von praktisch ausbluehungsfreien gipsprodukten Ceased DE2208730B2 (de)

Priority Applications (5)

Application Number Priority Date Filing Date Title
BE795294D BE795294A (fr) 1972-02-24 Procede de preparation de produits a base de platre pratiquement non efflorescents
DE19722208730 DE2208730B2 (de) 1972-02-24 1972-02-24 Verfahren zur herstellung von praktisch ausbluehungsfreien gipsprodukten
NL7300868A NL7300868A (enExample) 1972-02-24 1973-01-22
FR7303829A FR2182835A1 (en) 1972-02-24 1973-02-02 Non-efflorescent plaster products - based on calcium sulphate contg sodium salts and organic acid additives
ZA731290A ZA731290B (en) 1972-02-24 1973-02-23 Process for the manufacture of virtually bloom-free gypsum products

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
DE2208730A1 DE2208730A1 (de) 1973-08-30
DE2208730B2 true DE2208730B2 (de) 1976-10-07

Family

ID=5836955

Family Applications (1)

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

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
NL7300868A (enExample) 1973-08-28
ZA731290B (en) 1974-05-29
FR2182835A1 (en) 1973-12-14
BE795294A (fr) 1973-05-29

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Legal Events

Date Code Title Description
8235 Patent refused