Title:
土壌改質剤及びその製造方法
Document Type and Number:
Japanese Patent JP4830177
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To effectively utilize a high-molecular weight material containing acrylonitrile-styrene or acrylonitrile-styrene-conjugated diene or one of their used materials as a higher additional value substance. SOLUTION: The objective method of producing soil conditioner comprises and acid treatment step where a plolymer material including acrylonitrile, styrene and/or a conjugated diene as the constitution units is treated with an acid and a salt formation step where the acid groups formed in the polymer material during the acid treatment and the excessively remaining acid used in the acid treatment are converted into a corresponding salt.
Inventors:
Haruo Watanabe
Yasushi Inagaki
Tsutomu Noguchi
Yasushi Inagaki
Tsutomu Noguchi
Application Number:
JP2000054439A
Publication Date:
December 07, 2011
Filing Date:
February 25, 2000
Export Citation:
Assignee:
ソニー株式会社
International Classes:
C09K17/20; C05G3/80; C08F8/36; C08F8/40; C08J11/26; C08K3/00; C08K3/04; C08K3/22; C08K3/30; C08K3/32; C08L15/00; C08L17/00; C08L25/12; C08L33/20; C08L51/04; C09K17/02; C09K101/00
Domestic Patent References:
| JP2175787A | ||||
| JP11246858A | ||||
| JP56147630A | ||||
| JP2001294860A | ||||
| JP2003147357A |
Attorney, Agent or Firm:
Akira Koike
Eiichi Tamura
Seiji Iga
Eiichi Tamura
Seiji Iga