ANTIBACTERIAL AND FUNGICIDAL AGENT AND FIBROUS MATERIAL CONTAINING THE SAME

Japanese Patent JP3693449

B2

PROBLEM TO BE SOLVED: To prepare the subject material, having excellent durability, capable of exhibiting both antibacterial and fungicidal effects in extremely efficient manner and excellently effecting even against highly dense microbial pollution by using fibers containing a metal salt of a specific organic compound having fungicidal activity by itself.
SOLUTION: This material is obtained by compounding an ion-exchange fiber of a polystyrene, a polyacrylamide a polyamide, carboxymethyl-modified cellulose, etc., with an antibacterial and fungicidal agent comprising a metal salt (preferably, a salt of silver, copper or zinc) of an organic compound such as a benzimidazole compound or a mercaptopyridine-N-oxide compound. For instance, one to three kinds selected from a silver salt, a copper salt and a zinc salt are added to a carboxymethyl- modified cellulose, and a compound selected from the antibacterial and fungicidal agents, an isothiazolone compound, a benzothiazole compound and a benzothiazolone compound is added into the salt-added carboxymethyl-modified cellulose under the condition of pH5-8. The obtained material is hardly soluble and highly stable, and the loss of the antimicrobial effect by water washing is extremely little. The material can be used as an air filter, a filter medium for an electric discharge machine filter or a liquid filtration medium.

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Yasuo Tsubakii
Mitsuo Yoshida
Yamaya Eisuke

JP4593097A

September 07, 2005

February 28, 1997

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Mitsubishi Paper Mills Co., Ltd.

A01N25/00; A01N25/34; A01N43/40; A01N55/02; A01N59/02; A01N59/16; A01N59/20; A43B17/00; B01D39/00; B01D39/16; B01D39/14; D06M13/252; D06M13/35; D06M13/352; D06M13/355; D06M16/00; D21H21/36; E04F13/16; F02M35/024; D21H13/04; D21H13/14; D21H13/16; D21H13/18; D21H13/24; D21H13/40; D21H13/50; D21H15/10; D21H27/08; (IPC1-7): A01N25/34; A01N43/40; A01N55/02; A01N59/16; A01N59/20; B01D39/14; B01D39/16; D21H21/36

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