Title:
セメント凝結遅延剤及びこれを用いたセメント組成物、並びにセメント組成物の製造方法及び硬化促進剤
Document Type and Number:
Japanese Patent JP4707799
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a novel cement setting retarder in such a manner that the setting retarders meeting various purposes and applications can be supplied and a curing accelerator. SOLUTION: This setting retarder consists of basic cupric carbonate containing one or >=2 kinds of malachite, azurite and cupric carbonate dihydroxide. This method for manufacturing cement consists in adding and mixing this retarder to and with the uncured cement composition, then adding and mixing the curing accelerator to and with this mixture. Urea, sulfite, gypsum, etc., are used for the curing accelerator.
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Inventors:
Kenji Sakata
Katsuno Ayano
Hidenori Nagamine
Katsuno Ayano
Hidenori Nagamine
Application Number:
JP2000167287A
Publication Date:
June 22, 2011
Filing Date:
June 05, 2000
Export Citation:
Assignee:
basf pozzolis corp.
International Classes:
C04B22/10; C04B22/00; C04B24/00; C04B28/02; C04B22/06; C04B22/08; C04B22/12; C04B22/14; C04B22/16; C04B24/04; C04B24/06; C04B24/10; C04B24/12; C04B24/18; C04B24/26; C04B103/14; C04B103/22; C04B111/00
Domestic Patent References:
| JP9286651A |
Other References:
ЛУКИНА ЛГ,Влияние природы 3d-катионов на кинетику тепловыделения при гидратации трехкальциевого силиката и цемента,Tsement,ロシア,Izdatel’stvo Literatury po Stroitel’stvu;Sankt-Peterburg,1990年10月,No.10,p. 15-17
Attorney, Agent or Firm:
Kiyoji Kuzuwa