METHOD FOR PRODUCING GRANULAR FORMED PRODUCT FOR IMMOBILIZING ENZYME OR MICROBIAL CELL

Title:

METHOD FOR PRODUCING GRANULAR FORMED PRODUCT FOR IMMOBILIZING ENZYME OR MICROBIAL CELL

Document Type and Number:

Japanese Patent JP2003144147

Kind Code:

A

Abstract:

To provide a method for producing a granular formed product of improved mechanical strength for immobilizing an enzyme or microbial cells.

This method for producing the granular formed product comprises the following process: a water-based liquid composition including (A) an unsaturated group-containing urethane resin obtained by reaction of (a) a compound containing in one molecule one hydroxy group and one epoxy group with (b) a compound containing in one molecule one carboxy group and one ethylenically unsaturated group to form (c) an unsaturated group- containing diol which is then reacted with (d) a polyisocyanate compound, (B) a polymerization initiator and (C) a water-soluble high-molecular polysaccharide having the ability to gel on contact with metal ions is gelatinized to a granular form in an aqueous medium containing the metal ions, and the resultant granular gel is then put to photopolymerization and/or thermal polymerization to react the ethylenically unsaturated groups in the granular gel.

Inventors:

YOSHITAKE JUNYA
MIYAGAWA KENJI
SEKO KENJI

Application Number:

JP2001349536A

Publication Date:

May 20, 2003

Filing Date:

November 15, 2001

Export Citation:

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Assignee:

KANSAI PAINT CO LTD

International Classes:

C08G18/12; C08G18/32; C08G18/48; C08G18/67; C08G18/81; C12N11/08; C12N11/10; (IPC1-7): C12N11/08; C08G18/32; C12N11/10

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