JPS57179013A - Steam cured calcium silicate compound with superior carbonation resistance - Google Patents
Steam cured calcium silicate compound with superior carbonation resistanceInfo
- Publication number
- JPS57179013A JPS57179013A JP6470081A JP6470081A JPS57179013A JP S57179013 A JPS57179013 A JP S57179013A JP 6470081 A JP6470081 A JP 6470081A JP 6470081 A JP6470081 A JP 6470081A JP S57179013 A JPS57179013 A JP S57179013A
- Authority
- JP
- Japan
- Prior art keywords
- mixture
- compound
- calcium silicate
- silicate compound
- surfactant
- 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.)
- Pending
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)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Silicates, Zeolites, And Molecular Sieves (AREA)
Abstract
PURPOSE: To obtain the titled compound causing no efflorescent phenomenon even if exosed to air over a long term by adding a prescribed percentage each of an org. phosphoric ester, a surfactant and an Sr compound to a slurrified mixture contg. powdered siliceous and calcareous starting materials.
CONSTITUTION: Water is added to a powdered siliceous starting material such as Portland cement + silica powder and a powdered calcareous starting material such as CaO powder to prepare a slurrified mixture of the starting materials. An org. phosphoric ester such as trimethyl phosphate, a surfactant such as an amino acid surfactant and an Sr compound such as SrO are added to the mixture by 0.2W5wt%, 0.01W1wt% and 0.2W5wt% as Sr of the total solid content of the mixture, respectively. The desired steam cured calcium silicate compound is then manufactured from the slurry contg. the additives by an ordinary method. The life of tobermorite in the calcium silicate compound is elongated by about 6W15 times that of conventional tobermorite under severe conditions, so the carbonation resistance is enhancecd correspondingly.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6470081A JPS57179013A (en) | 1981-04-28 | 1981-04-28 | Steam cured calcium silicate compound with superior carbonation resistance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6470081A JPS57179013A (en) | 1981-04-28 | 1981-04-28 | Steam cured calcium silicate compound with superior carbonation resistance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS57179013A true JPS57179013A (en) | 1982-11-04 |
Family
ID=13265676
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6470081A Pending JPS57179013A (en) | 1981-04-28 | 1981-04-28 | Steam cured calcium silicate compound with superior carbonation resistance |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57179013A (en) |
-
1981
- 1981-04-28 JP JP6470081A patent/JPS57179013A/en active Pending
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