JPS57179011A - Steam cured calcium silicate compound with superior carbonation resistance - Google Patents

Steam cured calcium silicate compound with superior carbonation resistance

Info

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
Application number
JP6469881A
Other languages
Japanese (ja)
Inventor
Hiromasa Yoshikawa
Yoichi Oya
Yosuke Tagawa
Sadahiro Iida
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.)
Sumitomo Metal Mining Co Ltd
Original Assignee
Sumitomo Metal Mining Co 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 Sumitomo Metal Mining Co Ltd filed Critical Sumitomo Metal Mining Co Ltd
Priority to JP6469881A priority Critical patent/JPS57179011A/en
Publication of JPS57179011A publication Critical patent/JPS57179011A/en
Pending legal-status Critical Current

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
JP6469881A 1981-04-28 1981-04-28 Steam cured calcium silicate compound with superior carbonation resistance Pending JPS57179011A (en)

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)

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