GB501024A - Light weight structural materials and method of manufacturing same - Google Patents

Light weight structural materials and method of manufacturing same

Info

Publication number
GB501024A
GB501024A GB22738/37A GB2273837A GB501024A GB 501024 A GB501024 A GB 501024A GB 22738/37 A GB22738/37 A GB 22738/37A GB 2273837 A GB2273837 A GB 2273837A GB 501024 A GB501024 A GB 501024A
Authority
GB
United Kingdom
Prior art keywords
stage
lime
indurating
silica particles
steam pressure
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
GB22738/37A
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.)
Gypsum Lime and Alabastine Canada Ltd
Original Assignee
Gypsum Lime and Alabastine Canada 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 Gypsum Lime and Alabastine Canada Ltd filed Critical Gypsum Lime and Alabastine Canada Ltd
Publication of GB501024A publication Critical patent/GB501024A/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
    • 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
    • C04B28/18—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 mixtures of the silica-lime type

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)

Abstract

501,024. Lime silica compositions. GYPSUM, LIME, and ALABASTINE, CANADA, Ltd. Aug. 19, 1937, No. 22738. Convention date, Aug. 22, 1936. [Classes 22 and 70] [Also in Group III] Porous light-weight structural material consisting of silica particles bonded with calcium silicate is made by a process comprising a crystal-generating stage in which a suspension of silica particles in saturated lime water is heated under steam pressure and an indurating stage in which after removal of the lime water the residue is heated under steam pressure. During the first stage, crystals of Hillebrandite 2CaO.SiO2.H2O are formed and during the indurating stage these are converted into Gyrolite 2CaO.3SiO2.2H2O. The crystalgenerator shown, comprises a cylindrical pressure tank 1 having a conical end provided with a detachable cover for charging and discharging. The other end is fitted with a steam pipe 3. The tank is fitted internally with blades 8 and is adapted to be rotated to keep the silica particles in suspension. After the first stage heating the material is tipped into a mould having a perforated bottom 13 and a detachable liner 14 capable of acting as a filter to release the lime solution. The moulded blocks are then placed in an indurating autoclave, where they are heated for instance at 120 lb. steam pressure for about 8 hours.
GB22738/37A 1936-08-22 1937-08-19 Light weight structural materials and method of manufacturing same Expired GB501024A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US501024XA 1936-08-22 1936-08-22

Publications (1)

Publication Number Publication Date
GB501024A true GB501024A (en) 1939-02-20

Family

ID=21963387

Family Applications (1)

Application Number Title Priority Date Filing Date
GB22738/37A Expired GB501024A (en) 1936-08-22 1937-08-19 Light weight structural materials and method of manufacturing same

Country Status (1)

Country Link
GB (1) GB501024A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2456643A (en) * 1943-06-12 1948-12-21 F E Schundler & Co Inc Lightweight material and its preparation
US2469379A (en) * 1945-04-24 1949-05-10 Owens Illinois Glass Co Heat insulating materials and method of making
US2502409A (en) * 1946-06-22 1950-04-04 Nat Cylinder Gas Co Porous composition of matter and method of preparing the same
US2547127A (en) * 1949-02-17 1951-04-03 Owens Illinois Glass Co Calcium silicate of microcrystalline lathlike structure

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2456643A (en) * 1943-06-12 1948-12-21 F E Schundler & Co Inc Lightweight material and its preparation
US2469379A (en) * 1945-04-24 1949-05-10 Owens Illinois Glass Co Heat insulating materials and method of making
US2502409A (en) * 1946-06-22 1950-04-04 Nat Cylinder Gas Co Porous composition of matter and method of preparing the same
US2547127A (en) * 1949-02-17 1951-04-03 Owens Illinois Glass Co Calcium silicate of microcrystalline lathlike structure

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