-
公开(公告)号:EP2832706A1
公开(公告)日:2015-02-04
申请号:EP13769484.0
申请日:2013-03-25
发明人: NISHIOKA,Asaaki , MORI,Taiichiro , NANASAWA,Akira , YOSHINO,Ryoetsu , IWANAMI,Kazuhide , YAMAMOTO,Kenji , KAWAUCHI,Toshio , SHIRAI,Kentaro , MATSUMOTO,Masao
IPC分类号: C04B28/02 , B28C7/04 , C04B22/08 , C04B22/10 , C04B22/14 , C04B24/06 , C04B24/26 , C04B40/02
CPC分类号: C04B28/14 , C04B20/1033 , C04B2111/00086 , C04B2111/766 , C04B7/02 , C04B7/32 , C04B24/2647 , C04B2103/22 , C04B24/06
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.
摘要翻译: 提供一种快速硬化水泥,其中在低温环境下确保长的凝固时间和硬化时间。 快速硬化水泥包括:(A)具有多元羧酸类减水剂作为改性剂的表面改性水泥; (B)包含铝酸钙和石膏的快速硬化剂; 和(C)设置修饰符。