Title:
【発明の名称】ウラン吸着材
Document Type and Number:
Japanese Patent JP2546798
Kind Code:
B2
Abstract:
PURPOSE:To obtain a readily handleable uranium adsorbent, consisting of a polyethyleneimine having a specific calix[n]arene derivative residue in the side chain and having excellent affinity and selectivity for uranyl ions. CONSTITUTION:For example, a calix[n]arene is added to concentrated sulfuric acid and thermally reacted to provide p-toluenesulfonic acid calix[n]arene, which is then reacted with an alkylating agent to afford calixarene-p-sulfonic acid derivative. The resultant derivative is subsequently reacted with thionyl chloride to provide a calixarene-p-sulfonyl chloride, which is then dissolved in tetrahydrofuran, slowly dripped into an aqueous solution of polyethyleneimine and reacted to afford the aimed polyethyleneimine having a calix[n]arene derivative expressed by the formula (n is preferably 6-8; R is H, CH2OH, etc.; x and y are H, alkyl, etc.) in the side chain.
Inventors:
KONDO YOSHIKAZU
YAMAMOTO TOSHIHIRO
MANABE OSAMU
SHINKAI SEIJI
YAMAMOTO TOSHIHIRO
MANABE OSAMU
SHINKAI SEIJI
Application Number:
JP11309487A
Publication Date:
October 23, 1996
Filing Date:
May 09, 1987
Export Citation:
Assignee:
KANEBO LTD
International Classes:
C08G73/02; B01D15/00; B01J20/26; C01G43/00; C02F1/28; C07C309/42; C22B60/02; G21F9/12; (IPC1-7): C08G73/02; B01J20/26; C01G43/00; C02F1/28; C22B60/02; G21F9/12
Domestic Patent References:
| JP675674B2 | ||||
| JP675673B2 |