Title:
土壌固化剤
Document Type and Number:
Japanese Patent JP4043763
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a soil solidifier that solidifies soil in a pH range not detrimental to the growth of plants and can give solidified soil having water resistance. SOLUTION: Hemihydrate gypsum is used to solidify soil in a pH range not detrimental to the growth of plants. In order to improve the water resistance, 2-50 pts.wt. at least one member selected from the group consisting of phosphoric acid and/or a salt thereof, a carbonate, and polyacrylic acid and/or a salt thereof is added. These reagents form insoluble salts with calcium ions eluted from hemihydrate gypsum.
Inventors:
Kunimatsu Shoichi
Yutaka Matsuda
Yutaka Matsuda
Application Number:
JP2001344542A
Publication Date:
February 06, 2008
Filing Date:
November 09, 2001
Export Citation:
Assignee:
Matsuda Giken Co., Ltd.
International Classes:
B09B3/00; C09K17/42; C04B22/06; E02D3/12; C04B22/10; C04B22/16; C04B24/26; C04B28/14; C09K17/02; C09K17/06; C09K17/22; C04B111/27; C04B111/70; C09K103/00
Domestic Patent References:
| JP7179854A | ||||
| JP2000061424A | ||||
| JP10279940A | ||||
| JP10316967A | ||||
| JP2002322475A |
Attorney, Agent or Firm:
Tadao Usami