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Title:
SHEET FOR ABSORBING WATER CONTAMINATED BY RADIO-ACTIVITY
Document Type and Number:
Japanese Patent JPH01231940
Kind Code:
A
Abstract:

PURPOSE: To efficiently treat contaminated water by using a sheet obtd. by impregnating a water soluble ethylenic unsatd. monomer into a fibrous substrate and polymerizing the monomer.

CONSTITUTION: A fibrous substrate such as wood pulp, rayon or cotton is uniformly sprayed or coated with a water soluble ethylenic unsatd. monomer blended with a cross-linking agent such as methylenebisacrylamide or ethylene glycol glycidyl ether. The substrate is then dried with hot air, microwaves, IR or other means and the monomer is cross-linked. The resulting sheet can be effectively utilized for absorbing water contaminated by radioactivity.


Inventors:
FUJITANI KENSHO
KATO KOJI
FUJIMOTO TAKASHI
Application Number:
JP5718988A
Publication Date:
September 18, 1989
Filing Date:
March 10, 1988
Export Citation:
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Assignee:
MITSUBISHI PETROCHEMICAL CO
International Classes:
G21F9/04; B01J20/26; B01J20/28; B32B5/02; B32B7/02; C08J9/36; G21F9/28; (IPC1-7): B01J20/26; B01J20/28; B32B5/02; B32B7/02; C08J9/36; G21F9/04
Attorney, Agent or Firm:
Kazuo Sato (2 outside)