RO103663A2 - Enriched cement - Google Patents

Enriched cement

Info

Publication number
RO103663A2
RO103663A2 RO13772289A RO13772289A RO103663A2 RO 103663 A2 RO103663 A2 RO 103663A2 RO 13772289 A RO13772289 A RO 13772289A RO 13772289 A RO13772289 A RO 13772289A RO 103663 A2 RO103663 A2 RO 103663A2
Authority
RO
Romania
Prior art keywords
cement
enriched
enriched cement
na2o
fe2o3
Prior art date
Application number
RO13772289A
Other languages
Romanian (ro)
Other versions
RO103663B1 (en
Inventor
Marin Stoian
Alexandru Romanescu
Graziela Virginia Guslicov
Elena Garafil
Anton Radulescu
Original Assignee
Inst Cercetare Si Proiectare T
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 Inst Cercetare Si Proiectare T filed Critical Inst Cercetare Si Proiectare T
Priority to RO137722A priority Critical patent/RO103663B1/en
Publication of RO103663A2 publication Critical patent/RO103663A2/en
Publication of RO103663B1 publication Critical patent/RO103663B1/en

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
    • C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
    • C04B24/24—Macromolecular compounds
    • C04B24/28—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C04B24/30—Condensation polymers of aldehydes or ketones
    • C04B24/302—Phenol-formaldehyde condensation polymers
    • 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
    • C04B7/36—Manufacture of hydraulic cements in general
    • C04B7/48—Clinker treatment
    • C04B7/52—Grinding ; After-treatment of ground cement
    • 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
    • C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
    • C04B2103/30—Water reducers, plasticisers, air-entrainers, flow improvers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Materials For Medical Uses (AREA)

Abstract

Additive compsn. for cement comprises 95% clinker comprising 6.66% Al2O3; 3.10% Fe2O3; 61.73% CaO; 1.28% MgO; 2.55% SO3; 0.43% Na2O; 0.92% K2O; 0.17% TiO2; 5% gypsum and 0.2-0.75 up to 100% novolak sulphonate.
RO137722A 1989-01-12 1989-01-12 Enriched cement RO103663B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RO137722A RO103663B1 (en) 1989-01-12 1989-01-12 Enriched cement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RO137722A RO103663B1 (en) 1989-01-12 1989-01-12 Enriched cement

Publications (2)

Publication Number Publication Date
RO103663A2 true RO103663A2 (en) 1991-12-09
RO103663B1 RO103663B1 (en) 1992-03-25

Family

ID=20123758

Family Applications (1)

Application Number Title Priority Date Filing Date
RO137722A RO103663B1 (en) 1989-01-12 1989-01-12 Enriched cement

Country Status (1)

Country Link
RO (1) RO103663B1 (en)

Also Published As

Publication number Publication date
RO103663B1 (en) 1992-03-25

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