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Application filed by Sumitomo Seika ChemicalsfiledCriticalSumitomo Seika Chemicals
Priority to MYPI9701180priorityCriticalpatent/MY117554A/en
Publication of MY117554ApublicationCriticalpatent/MY117554A/en
Solid-Sorbent Or Filter-Aiding Compositions
(AREA)
Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications
(AREA)
Abstract
A PROCESS FOR PREPARING A WATER-ABSORBENT RESIN IS PROVIDED WHICH ENABLES THE WATER-ABSORBENT RESIN TO ENSURE THE REDUCTION IN THE RELEASE AMOUNT OF LIQUID AND THE INCREASE IN THE LIQUID DIFFUSIBILITY. IN THE PREPARATION PROCESS, THE WATER-ABSORBENT RESIN IS PREPARED BY POLYMERIZATION OF A WATER-SOLUBLE ETHYLENIC UNSATURATED MONOMER. THE POLYMERIZATION OF THE WATER-SOLUBLE ETHYLENIC UNSATURATED MONOMER IS ALLOWED TO TAKE PLACE IN THE PRESENCE OF A WATER-ABSORBENT RESIN HAVING A WATER-ABSORBING RATE DIFFERENT FROM THAT OF A WATER-ABSORBENT RESIN RESULTING FROM POLYMERIZATION OF THE WATER-SOLUBLE ETHYLENIC UNSATURATED MONOMER. IN A PREFERRED MODE, THE POLYMERIZATION IS PERFORMED BY A REVERSED-PHASE SUSPENSION POLYMERIZATION METHOD.
MYPI97011801997-03-201997-03-20Water-absorbent resin and process for its preparation
MY117554A
(en)
AGGREGAT ELLER CLUSTER BESTAOENDE AV I VATTEN SVAELLBARA POLYMERER MED OEKAD HYDRATISERINGSHASTIGHET AEN ICKE ASSOCIERADE I VATTEN SVAELLBARA POLYMERER.