GB832256A - Improvements in or relating to cementitious material - Google Patents

Improvements in or relating to cementitious material

Info

Publication number
GB832256A
GB832256A GB543357A GB543357A GB832256A GB 832256 A GB832256 A GB 832256A GB 543357 A GB543357 A GB 543357A GB 543357 A GB543357 A GB 543357A GB 832256 A GB832256 A GB 832256A
Authority
GB
United Kingdom
Prior art keywords
calcining
cementitious
cementitious material
relating
calcium
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
GB543357A
Inventor
John Boris Taylor
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.)
BPB Ltd
Original Assignee
British Plaster Board Holdings Ltd
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 British Plaster Board Holdings Ltd filed Critical British Plaster Board Holdings Ltd
Priority to GB543357A priority Critical patent/GB832256A/en
Priority to CH5601058A priority patent/CH383247A/en
Publication of GB832256A publication Critical patent/GB832256A/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
    • C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B18/02—Agglomerated materials, e.g. artificial aggregates
    • C04B18/027—Lightweight materials
    • 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
    • C04B11/00—Calcium sulfate cements
    • 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
    • C04B11/00—Calcium sulfate cements
    • C04B11/28—Mixtures thereof with other inorganic cementitious materials
    • C04B11/30—Mixtures thereof with other inorganic cementitious materials with hydraulic cements, e.g. Portland cements
    • 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
    • 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
    • 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
    • C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/91—Use of waste materials as fillers for mortars or concrete

Abstract

A cementitious material comprises cellular granules of soluble anhydrite and/or calcium sulphate hemi-hydrate. An aggregate e.g. expanded perlite, exfoliated vermiculite, pumice, fly ash or their mixtures may be present, together with retarders and accelerators. The material is made by, in any order, comminuting, drying and calcining a foamed gypsum plaster, the calcining making the product cementitious. The foam may contain up to 3% of slaked or quick lime or up to 5% of Portland cement; up to 3% of alum, borax, calcium chloride, ammonium or aluminium sulphate, gum arabic, graphite, mica or sulphite lye or combinations thereof.
GB543357A 1957-02-18 1957-02-18 Improvements in or relating to cementitious material Expired GB832256A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB543357A GB832256A (en) 1957-02-18 1957-02-18 Improvements in or relating to cementitious material
CH5601058A CH383247A (en) 1957-02-18 1958-02-18 Hydraulically setting product containing water-soluble anhydrite and / or calcium sulfate hemihydrate and process for its production

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB543357A GB832256A (en) 1957-02-18 1957-02-18 Improvements in or relating to cementitious material

Publications (1)

Publication Number Publication Date
GB832256A true GB832256A (en) 1960-04-06

Family

ID=9796105

Family Applications (1)

Application Number Title Priority Date Filing Date
GB543357A Expired GB832256A (en) 1957-02-18 1957-02-18 Improvements in or relating to cementitious material

Country Status (2)

Country Link
CH (1) CH383247A (en)
GB (1) GB832256A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19606618A1 (en) * 1996-02-22 1997-08-28 Laszlo Szoelloeskei Insulating mixture of perlite and natural anhydrite
DE29809236U1 (en) * 1998-05-26 1999-10-07 Blank Holding Gmbh & Co Beteil Building material mix
US7837786B2 (en) 2005-01-28 2010-11-23 Gcc Technology And Processes S.A. Compositions of cellular materials that contain anhydrite and methods for its preparation

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3633027A1 (en) * 1986-09-29 1988-06-16 Walter Kraemer Process and apparatus for the continuous preparation of mineral granules from gypsum-containing materials and use of the granules obtained
GB2205089B (en) * 1987-05-22 1991-03-13 Rhein Westfael Elect Werk Ag Process for production of calcium sulphate alpha-hemihydrate
US10737981B2 (en) 2016-10-12 2020-08-11 United States Gypsum Company Method for making a lightweight gypsum composition with internally generated foam and products made from same
US11414352B2 (en) 2018-04-11 2022-08-16 United States Gypsum Company Method for making a lightweight gypsum composition with internally generated foam and products made from same

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19606618A1 (en) * 1996-02-22 1997-08-28 Laszlo Szoelloeskei Insulating mixture of perlite and natural anhydrite
DE29809236U1 (en) * 1998-05-26 1999-10-07 Blank Holding Gmbh & Co Beteil Building material mix
US7837786B2 (en) 2005-01-28 2010-11-23 Gcc Technology And Processes S.A. Compositions of cellular materials that contain anhydrite and methods for its preparation

Also Published As

Publication number Publication date
CH383247A (en) 1964-10-15

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