JPS57179011A - Steam cured calcium silicate compound with superior carbonation resistance - Google Patents
Steam cured calcium silicate compound with superior carbonation resistanceInfo
- Publication number
- JPS57179011A JPS57179011A JP6469881A JP6469881A JPS57179011A JP S57179011 A JPS57179011 A JP S57179011A JP 6469881 A JP6469881 A JP 6469881A JP 6469881 A JP6469881 A JP 6469881A JP S57179011 A JPS57179011 A JP S57179011A
- Authority
- JP
- Japan
- Prior art keywords
- compound
- mixture
- calcium silicate
- silicate compound
- starting materials
- 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
Abstract
PURPOSE: To obtain the titled compound causing no efflorescent phenomenon even if exposed to air over a long term by adding a prescribed percentage of an Sr compound to a slurrified mixture contg. powdered siliceous and calcareous starting materials as principal 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 Sr compound is added to the mixture by 0.2W5wt% as Sr of the total solid content of the mixture, and they are mixed and subjected to steam curing by an ordinary method to manufacture the desired steam cured calcium silicate compound. SrO or the like is used as said Sr compound. The life of tobermorite in the calcium silicate compound is elongated by about 2 times that of conventional tobermorite under severe conditions, so the carbonation resistance is enhanced correspondingly.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6469881A JPS57179011A (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 |
---|---|---|---|
JP6469881A JPS57179011A (en) | 1981-04-28 | 1981-04-28 | Steam cured calcium silicate compound with superior carbonation resistance |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS57179011A true JPS57179011A (en) | 1982-11-04 |
Family
ID=13265623
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6469881A Pending JPS57179011A (en) | 1981-04-28 | 1981-04-28 | Steam cured calcium silicate compound with superior carbonation resistance |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57179011A (en) |
-
1981
- 1981-04-28 JP JP6469881A patent/JPS57179011A/en active Pending
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