GB1345586A - Process for the production of cement expanding agents - Google Patents

Process for the production of cement expanding agents

Info

Publication number
GB1345586A
GB1345586A GB1345586DA GB1345586A GB 1345586 A GB1345586 A GB 1345586A GB 1345586D A GB1345586D A GB 1345586DA GB 1345586 A GB1345586 A GB 1345586A
Authority
GB
United Kingdom
Prior art keywords
cao
cement
agent
production
expanding agents
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
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.)
Denka Co Ltd
Original Assignee
Denki Kagaku Kogyo KK
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 Denki Kagaku Kogyo KK filed Critical Denki Kagaku Kogyo KK
Publication of GB1345586A publication Critical patent/GB1345586A/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
    • C04B7/00—Hydraulic cements
    • C04B7/32—Aluminous cements
    • C04B7/323—Calcium aluminosulfate cements, e.g. cements hydrating into ettringite
    • 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, shrinkage compensating agents
    • C04B22/008—Cement and like inorganic materials added as expanding or shrinkage compensating ingredients in mortar or concrete compositions, the expansion being the result of a recrystallisation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)

Abstract

1345586 Cements DENKI KAGAKU KOGYO KK 21 April 1971 10493/71 Heading C1H A cement antishrinkage agent is obtained by burning in a high or low frequency induction furnace or a direct heating resistance furnace, a mixture containing CaO, Al 2 O 3 , Se 3 and F having a CaO/Al 2 O 3 wt. ratio of 0À5-20 to 1; 0À2-20% of an inorganic fluoride and 30-80% of CaSe 4 . The Al 2 O 3 can be generated in situ (from Al or AlN). The Al 2 O 3 and CaO are preferentially sized. The fusion can be cooled naturally, in an insulated container, by contact with water or an air blast. The agent is added to cement, Portland or rapid hardening, from which a concrete is prepared with sand and gravel.
GB1345586D 1971-04-21 1971-04-21 Process for the production of cement expanding agents Expired GB1345586A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1049371 1971-04-21

Publications (1)

Publication Number Publication Date
GB1345586A true GB1345586A (en) 1974-01-30

Family

ID=9968873

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1345586D Expired GB1345586A (en) 1971-04-21 1971-04-21 Process for the production of cement expanding agents

Country Status (1)

Country Link
GB (1) GB1345586A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013171419A1 (en) * 2012-05-14 2013-11-21 Ciments Francais Novel sulfoaluminate‑clinker‑based hydraulic binder and use thereof in a process for treating polluted soils

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013171419A1 (en) * 2012-05-14 2013-11-21 Ciments Francais Novel sulfoaluminate‑clinker‑based hydraulic binder and use thereof in a process for treating polluted soils
EP3202741A1 (en) * 2012-05-14 2017-08-09 Ciments Français Novel hydraulic binder based on sulfoaluminate clinker and its use in a process for treatment of polluted soils
US9764365B2 (en) 2012-05-14 2017-09-19 Ciments Francais Sulfoaluminate clinker based hydraulic binder and use thereof in a process for treating polluted soils

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Legal Events

Date Code Title Description
PS Patent sealed
PE20 Patent expired after termination of 20 years