BE866921A - Procede destines a empecher ou eliminer des colorations indesirables sur des parois en panneaux de platre - Google Patents

Procede destines a empecher ou eliminer des colorations indesirables sur des parois en panneaux de platre

Info

Publication number
BE866921A
BE866921A BE187570A BE187570A BE866921A BE 866921 A BE866921 A BE 866921A BE 187570 A BE187570 A BE 187570A BE 187570 A BE187570 A BE 187570A BE 866921 A BE866921 A BE 866921A
Authority
BE
Belgium
Prior art keywords
walls
prevent
eliminate undesirable
undesirable coloring
plaster panels
Prior art date
Application number
BE187570A
Other languages
English (en)
Original Assignee
Hoechst Ag
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 Hoechst Ag filed Critical Hoechst Ag
Publication of BE866921A publication Critical patent/BE866921A/fr

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
    • C04B28/145—Calcium sulfate hemi-hydrate with a specific crystal form
    • 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
    • C04B22/00—Use of inorganic materials as active ingredients for mortars, concrete or artificial stone, e.g. accelerators or shrinkage compensating agents
    • 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
    • C04B22/00—Use of inorganic materials as active ingredients for mortars, concrete or artificial stone, e.g. accelerators or shrinkage compensating agents
    • C04B22/08—Acids or salts 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
    • 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)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Medicinal Preparation (AREA)
  • Cosmetics (AREA)
BE187570A 1977-05-12 1978-05-10 Procede destines a empecher ou eliminer des colorations indesirables sur des parois en panneaux de platre BE866921A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19772721299 DE2721299A1 (de) 1977-05-12 1977-05-12 Verfahren zur verhinderung oder beseitigung von verfaerbungen an waenden aus gipswandbauplatten

Publications (1)

Publication Number Publication Date
BE866921A true BE866921A (fr) 1978-11-10

Family

ID=6008674

Family Applications (1)

Application Number Title Priority Date Filing Date
BE187570A BE866921A (fr) 1977-05-12 1978-05-10 Procede destines a empecher ou eliminer des colorations indesirables sur des parois en panneaux de platre

Country Status (5)

Country Link
AT (1) AT366018B (fr)
BE (1) BE866921A (fr)
DE (1) DE2721299A1 (fr)
FR (1) FR2390394A1 (fr)
NL (1) NL7805027A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT396464B (de) * 1992-05-07 1993-09-27 Donau Chemie Ag Verfahren zur herstellung von gipsformkörpern
WO2013001038A1 (fr) * 2011-06-29 2013-01-03 Sika Technology Ag Réduction de la couche pelliculaire dans des compositions de liant à base de sulfate de calcium

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB461305A (en) * 1936-01-14 1937-02-15 Laurits Alfred Madsen Improvements in or relating to coating preparations for preventing the formation of mould
GB545805A (en) * 1940-11-08 1942-06-15 British Plaster Board Ltd A process of waterproofing pre-cast articles of gypsum plaster or gypsum cement
DE1150613B (de) * 1959-11-07 1963-06-20 Knauf Westdeutsche Gips Anhydritbinder mit Eisen-zwei-Sulfat-Anreger
US3083110A (en) * 1961-02-13 1963-03-26 Ransom & Randolph Company Dental stone
DE1646929A1 (de) * 1965-01-14 1971-08-05 Rigips Baustoffwerke Gmbh Verfahren zur Verbesserung von Gipskartonplatten
CH534643A (fr) * 1971-02-16 1973-03-15 Service Neuchatelois De Medeci Procédé de fabrication d'un ciment
DE2246345C3 (de) * 1972-09-21 1979-09-20 Gebr. Knauf Westdeutsche Gipswerke, 8715 Iphofen Verfahren zur Herstellung von praktisch ausblUhungsfreien Gipsprodukten
DE2247757A1 (de) * 1972-09-29 1974-04-04 Boergardts Kg H & E Verwertung alter gipsformen als ausgangsmaterial fuer gipsprodukte

Also Published As

Publication number Publication date
ATA338578A (de) 1981-07-15
DE2721299A1 (de) 1978-11-23
FR2390394A1 (fr) 1978-12-08
AT366018B (de) 1982-03-10
NL7805027A (nl) 1978-11-14

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: HOECHST A.G.

Effective date: 19840510