Title:
混和剤の選定方法
Document Type and Number:
Japanese Patent JP3978588
Kind Code:
B2
Abstract:
A nonionic water-soluble cellulose ether is characterized in that when 3 pbw of the nonionic water-soluble cellulose ether is added to a mixture of 90 pbw of cordierite, 10 pbw of ordinary Portland cement, and 33 pbw of water, immediately followed by kneading at 20 DEG C and 20 rpm, a maximum torque for kneading is reached within 180 seconds from the addition. It is suitable as an admixture for extrudable hydraulic compositions. The hydraulic composition to which the inventive admixture is added can be kneaded within a brief time into a uniform mass which is smoothly extrudable.
Inventors:
Dedicated Takeaki
Tsutomu Yamakawa
Tsutomu Yamakawa
Application Number:
JP2002076058A
Publication Date:
September 19, 2007
Filing Date:
March 19, 2002
Export Citation:
Assignee:
Shin-Etsu Chemical Co., Ltd.
International Classes:
B28B3/20; C04B14/04; C04B24/38; C04B28/02; C04B28/04; C04B103/44
Domestic Patent References:
| JP1294555A | ||||
| JP1305838A |
Foreign References:
| WO2001060574A1 |
Attorney, Agent or Firm:
Takashi Kojima
Saori Shigematsu
Katsunari Kobayashi
Saori Shigematsu
Katsunari Kobayashi