Title:
気泡シールド工法用起泡材及びそれを用いた気泡シールド工法
Document Type and Number:
Japanese Patent JP7166952
Kind Code:
B2
Abstract:
To provide a foaming agent for foam shield method that has both effects of foaming and viscosity increasing by a single agent, and a foam shield method using the same.SOLUTION: A foaming agent containing (A) a cationic surfactant, (B) an anionic aromatic compound, and (C) a predetermined compound, has both effects of foaming and viscosity increasing by a single agent, and is suitable for a foam shield method.SELECTED DRAWING: Figure 3B
Inventors:
Shiteru Kimura
Toshihiko Miura
Hattori keiki
Noriko Oshima
Masahiro Ishii
Akira Shinohara
Toshihiko Miura
Hattori keiki
Noriko Oshima
Masahiro Ishii
Akira Shinohara
Application Number:
JP2019023492A
Publication Date:
November 08, 2022
Filing Date:
February 13, 2019
Export Citation:
Assignee:
Obayashi Corporation
Lion Specialty Chemicals Co., Ltd.
Lion Specialty Chemicals Co., Ltd.
International Classes:
C09K8/035; C09K8/506; C09K23/42; C09K23/46; E21D9/06
Domestic Patent References:
| JP2014234484A | ||||
| JP2003342560A | ||||
| JP2005133075A |
Attorney, Agent or Firm:
Isshiki International Patent Service Corporation