The present invention relates to antimicrobial material consisting of particles comprising carrier antimicrobial agent (A) and (B), antimicrobial materials have a granular material DIN66165-1 / -2 is at least 90% w / w of the particles 90% w / w has an aspect ratio R of the following at least 8 of the particles elemental silver nanoparticles (A) an antibacterial agent having a particle size in the range of 1.0mm or 8.0mm or less as measured by the method of comprises a polymer comprising a polyamide (B) a carrier present in an amount ranging from 2% w / w less than 0.001% w / w or more antibacterial material on (A) the antimicrobial agent (B) is present in an amount ranging from 99.999% w / w less than 98% w / w or more antimicrobial material on the carrier ants. Furthermore, regarding an article comprising a granular antibacterial material, the present invention relates to an apparatus comprising an article or granular antimicrobial material. The present invention also relates to a method of preparing a granular antimicrobial material, as well as water treatment system / equipment, water filter, swimming pool, whirlpool, water supply vessel, in the water during the granules and antibacterial for the treatment of drinking water It also relates to the use of the article, or apparatus that comprises a granular material or antibacterial material.本発明は、抗菌剤(A)およびキャリア(B)を含んでなる粒子からなる抗菌性材料に関し、抗菌性材料は顆粒材料であり;粒子の少なくとも90%w/wはDIN66165-1/-2の方法による測定で1.0mm以上8.0mm以下の範囲の粒度を有し;粒子の少なくとも90%w/wは8以下の縦横比Rを有し;抗菌剤(A)は元素銀ナノ粒子を含んでなり;抗菌剤(A)は抗菌性材料上に0.001%w/w以上2%w/w以下の範囲の量で存在し;キャリア(B)はポリアミドを含んでなるポリマーであり;キャリア(B)は抗菌性材料上に98%w/w以上99.999%w/w以下の範囲の量で存在する。本発明はさらに、顆粒抗菌性材料を含んでなる物品に関し、顆粒抗菌性材料または物品を含んでなる装置に関する。本発明はまた、顆粒抗菌性材料を調製する方法、ならびに水処理システム/装置、水濾し器、水泳プール、渦流浴、水供給容器、貯水中における、および飲料水の処理のための顆粒抗菌性材料、または顆粒抗菌性材料を含んでなる物品または装置の使用にも関する。
