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Title:
WATER ABSORPTIVE GEL FOR RECOVERING METAL ION
Document Type and Number:
Japanese Patent JP2017031440
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a water absorptive gel capable of absorbing water even inside and selectively adsorbing ions containing noble metals (i.e. platinum element or gold element) as constituents.SOLUTION: A water absorptive gel consists of a copolymer of a nitrogen-containing aromatic heterocyclic compound having a vinyl group (e.g. 1-vinylimidazole, 2-vinylpyridine, 3-vinylpyridine, 4-vinylpyridine, 9-vinylcarbazole, 2-vinyl-4,6-diamino-1,3,5-triazine or the like) and a compound having 2 or more vinyl groups (e.g. divinylbenzene or the like) and can absorb water even inside of the copolymer.SELECTED DRAWING: None

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Inventors:
SHIBATA NOBUYUKI
NAKANO KAZUTAKA
KINOSHITA TAKEHIKO
ISHIGAKI YUZO
YAMAGUCHI KOICHI
AKITA SHIGETO
Application Number:
JP2015149474A
Publication Date:
February 09, 2017
Filing Date:
July 29, 2015
Export Citation:
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Assignee:
NAGOYA CITY
International Classes:
C22B11/00; B01J20/26; C02F1/28; C08F226/06; C22B3/24
Domestic Patent References:
JP2014114447A2014-06-26
JP2008264732A2008-11-06
JP2014172764A2014-09-22
JPH09173834A1997-07-08
JPH09173835A1997-07-08
JP2006068597A2006-03-16
JP2014111829A2014-06-19
Foreign References:
CN102199245A2011-09-28
Attorney, Agent or Firm:
Aoyama Yo



 
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