申请人:——
公开号:US20020110575A1
公开(公告)日:2002-08-15
A biocidal composition is disclosed comprising composite particles, each of said composite particles containing a shell and a core, said core comprising a metal or a metal-containing compound wherein the metal is a moiety selected from the group consisting of zinc, copper, bismuth, silver, zirconium, and combinations thereof said shell comprising a pyrithione adduct comprising the reaction product of pyrithione with a portion of said core metal or metal compound. In one aspect, an anti-fouling composition is disclosed comprising (a) an anti-soft-fouling effective amount of copper pyrithione; and (b) an anti-hard-fouling effective amount of a copper-containing salt, or oxide or hydroxide thereof. The present invention also relates to a method of making an anti-fouling composition comprising particles of copper pyrithione and a copper-containing salt that is effective against hard-fouling and soft-fouling organisms.
本发明公开了一种杀菌组合物,该组合物包含复合颗粒,每个所述复合颗粒包含外壳和内核,所述内核包含金属或含金属的化合物,其中金属为选自锌、铜、铋、银、锆及其组合的基团,所述外壳包含吡啶硫酮加合物,该加合物包含吡啶硫酮与部分所述内核金属或金属化合物的反应产物。在一个方面,本发明公开了一种防污组合物,其包含 (a) 防软污垢有效量的吡啶硫酮铜;和 (b) 防硬污垢有效量的含铜盐、氧化物或氢氧化物。本发明还涉及一种防污组合物的制造方法,该组合物由吡啶硫酮铜颗粒和一种含铜盐组成,可有效防止硬污垢和软污垢生物。