Title:
【発明の名称】ウランイオン吸着用燐酸系キレート樹脂の製造方法
Document Type and Number:
Japanese Patent JPH0692446
Kind Code:
B2
Abstract:
The phosphoric acid based cholate resin of formula (I) or (II) for an absorbing uranium ion is prepared by the steps of: suspension copolymerization of styrene, divinyl benzene and bis-(2-chloroethyl)vinyl phosphonate at 40-100 deg.C for 2-50 hrs.; hydrolysis at 40-130 deg.C for 1-60 hrs. to obtain the copolymer resin; reacting phosphoric trichloride with phenyl gp. or chloroalkyl gp. connected with the phenyl gp. of branched chain in the copolymer at 40-100 deg.C for 2-50 hrs.; hydrolysis and oxydation, at the same time, at 40-130 deg.C for 1-60 hrs.
Inventors:
In One Park
Yeoh Yeoh
Inturyun
Kill Yun Choi
Yeoh Yeoh
Inturyun
Kill Yun Choi
Application Number:
JP16243791A
Publication Date:
November 16, 1994
Filing Date:
June 07, 1991
Export Citation:
Assignee:
Corea Research Institute of Chemical Technology
International Classes:
B01J45/00; C01G43/00; C08F8/06; C08F8/12; C08F8/18; C08F8/20; C08F8/40; C08F12/00; C08F212/14; C08F212/34; (IPC1-7): C08F8/12; B01J45/00; C01G43/00; C08F8/18; C08F8/40; C08F212/14; C08F212/34
Attorney, Agent or Firm:
Akihide Sugimura (5 outside)
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