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Title:
RAPID-HARDENING MORTAR COMPOSITION
Document Type and Number:
WIPO Patent Application WO/2017/171009
Kind Code:
A1
Abstract:
This rapid-hardening mortar composition includes a rapid-hardening admixture, cement, and a fine aggregate. The composition contains 100-2000 parts by mass of the cement per 100 parts by mass of the rapid-hardening admixture. The rapid-hardening admixture includes calcium aluminate, 50-200 parts by mass of an inorganic sulfate per 100 parts by mass of the calcium aluminate, and 0.1-10 parts by mass of a setting regulator per 100 parts by mass of the calcium aluminate. The average particle diameter of the calcium aluminate is 8-100 μm. The average particle diameter of the setting regulator is 5 μm or less.

Inventors:
KAMITANI Kiyoshi (Cement Research Institute 2270, Oaza Yokoze, Yokoze-machi, Chichibu-gu, Saitama 04, 〒3688504, JP)
KIMOTO Daisuke (Cement Research Institute 2270, Oaza Yokoze, Yokoze-machi, Chichibu-gu, Saitama 04, 〒3688504, JP)
TOKUNAGA Kenji (Cement Research Institute 2270, Oaza Yokoze, Yokoze-machi, Chichibu-gu, Saitama 04, 〒3688504, JP)
TAWARA Hideo (Cement Research Institute 2270, Oaza Yokoze, Yokoze-machi, Chichibu-gu, Saitama 04, 〒3688504, JP)
Application Number:
JP2017/013613
Publication Date:
October 05, 2017
Filing Date:
March 31, 2017
Export Citation:
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Assignee:
MITSUBISHI MATERIALS CORPORATION (3-2 Otemachi 1-chome, Chiyoda-ku Tokyo, 17, 〒1008117, JP)
International Classes:
C04B28/02; C04B14/38; C04B16/06; C04B20/00; C04B22/06; C04B22/08; C04B22/10; C04B22/14; C04B24/04; C04B24/24; E01C7/10; C04B111/70
Foreign References:
JP2000281410A2000-10-10
JPH08310846A1996-11-26
JPH07215751A1995-08-15
JP2008274580A2008-11-13
JP2015120624A2015-07-02
Attorney, Agent or Firm:
SHIGA Masatake et al. (1-9-2, Marunouchi Chiyoda-k, Tokyo 20, 〒1006620, JP)
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