Title:
CEMENT ADMIXTURE
Document Type and Number:
Japanese Patent JP2021116195
Kind Code:
A
Abstract:
To provide a cement admixture capable of causing cement to develop excellent strength in an early stage.SOLUTION: The cement admixture contains gypsum whose dissolving rate into a saturated calcium hydroxide solution at 20°C is 30 mg/(100 mL-min) or more and 100 mg/(100 mL-min) or less.SELECTED DRAWING: None
Inventors:
YOSHIOKA MAHO
MORI TAIICHIRO
MORI TAIICHIRO
Application Number:
JP2020008938A
Publication Date:
August 10, 2021
Filing Date:
January 23, 2020
Export Citation:
Assignee:
DENKA CO LTD
International Classes:
C04B22/14; C04B22/06
Domestic Patent References:
| JPH07206492A | 1995-08-08 | |||
| JP2009007189A | 2009-01-15 | |||
| JP2015078101A | 2015-04-23 | |||
| JP2008308348A | 2008-12-25 | |||
| JP2013136484A | 2013-07-11 | |||
| JP2015107900A | 2015-06-11 | |||
| JP2002068795A | 2002-03-08 | |||
| JP2002220588A | 2002-08-09 | |||
| JP2017501962A | 2017-01-19 | |||
| JP2001039751A | 2001-02-13 | |||
| JP2001316150A | 2001-11-13 |
Foreign References:
| WO2006134711A1 | 2006-12-21 | |||
| WO2010024260A1 | 2010-03-04 |
Attorney, Agent or Firm:
Shinji Hayami