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ANTIMICROBIAL MATERIAL FOR WATER STERILIZATION COMPRISING A POLYAMIDE CARRIER AND ELEMENTAL SILVER NANOPARTICLES
专利权人:
发明人:
申请号:
HK12107982.1
公开号:
HK1167286A
申请日:
2012.08.15
申请国别(地区):
HK
年份:
2012
代理人:
摘要:
The present invention relates to an antimicrobial material consisting of particles comprising an antimicrobial agent (A) and a carrier (B), wherein: the antimicrobial material is a granular material at least 90% w/w of the particles have a particle size in the range of from 1.0 mm up to and including 8.0 mm measured according to the method DIN 66165-1 /-2 at least 90% w/w of the particles have an aspect ratio R, equal to or lower than 8 the antimicrobial agent (A) comprises elemental silver nanoparticles the antimicrobial agent (A) is present in an amount in the range of from 0.001 % w/w up to and including 2% w/w on antimicrobial material the carrier (B) is a polymer comprising a polyamide the carrier (B) is present in an amount in the range of from 98% w/w up to and including 99.999% w/w on antimicrobial material. The invention further relates to an article comprising the granular antimicrobial material, a device comprising the granular antimicrobial material or the article. The invention also relates to a process for preparing the granular antimicrobial material and use of the granular antimicrobial material or an article or a device comprising the granular antimicrobial material in water treatment systems/appliances, water filters, swimming pools, whirlpools, water supply containers, water storage and for treatment of drinking water.La présente invention concerne un matériau antimicrobien constitué de particules comprenant un agent antimicrobien (A) et un support (B), dans lequel : le matériau antimicrobien est un matériau granulaire au moins 90 % p/p des particules ont une taille de particule dans la plage allant de 1,0 mm à 8,0 mm inclus, mesuré selon le procédé DIN 66165-1/-2 au moins 90 % p/p des particules ont un rapport de longueur R inférieur ou égal à 8 l’agent antimicrobien (A) comprend des nanoparticules d’argent élémentaire l’agent antimicrobien (A) est présent en une quantité dans la plage allant de 0,001 % p/p à 2 % p/p inclus dans le matériau antim
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