发明公开
- 专利标题: RAPIDLY HARDENING CEMENT
- 专利标题(中): SCHNELLERSTARRENDER ZEMENT
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申请号: EP13769484.0申请日: 2013-03-25
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公开(公告)号: EP2832706A1公开(公告)日: 2015-02-04
- 发明人: NISHIOKA,Asaaki , MORI,Taiichiro , NANASAWA,Akira , YOSHINO,Ryoetsu , IWANAMI,Kazuhide , YAMAMOTO,Kenji , KAWAUCHI,Toshio , SHIRAI,Kentaro , MATSUMOTO,Masao
- 申请人: Denki Kagaku Kogyo Kabushiki Kaisha
- 申请人地址: 1-1, Nihonbashi-Muromachi 2-chome Chuo-ku Tokyo 103-8338 JP
- 专利权人: Denki Kagaku Kogyo Kabushiki Kaisha
- 当前专利权人: Denki Kagaku Kogyo Kabushiki Kaisha
- 当前专利权人地址: 1-1, Nihonbashi-Muromachi 2-chome Chuo-ku Tokyo 103-8338 JP
- 代理机构: Yeadon, Mark
- 优先权: JP2012083201 20120330
- 国际公布: WO2013146712 20131003
- 主分类号: C04B28/02
- IPC分类号: C04B28/02 ; B28C7/04 ; C04B22/08 ; C04B22/10 ; C04B22/14 ; C04B24/06 ; C04B24/26 ; C04B40/02
摘要:
Provided is a rapid hardening cement in which a long setting and hardening time is secured in a low-temperature environment. The rapid hardening cement comprises: (A) a surface-premodified cement with a polycarboxylic acid-based water-reducing agent as a modifier; (B) a rapid hardening agent comprising calcium aluminate and gypsum; and (C) a setting modifier.
公开/授权文献
- EP2832706B1 RAPID HARDENING CEMENT 公开/授权日:2017-03-15
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