An antimicrobial facemask comprising a singlet oxygen generating photosensitising dye, wherein the dye is a cationic phthalocyanine. The phthalocyanine has preferably the following formula: (formula 1), M = aluminium, titanium or zinc, R = R'(a) or R"(b), R' = Oxygen linked phenyl or pyridyl, R" = Oxygen linked phenyl, pyridyl or N-alkylated pyridinium, and a + b = 4, b = 1 to 4, X = Cl-, Br-, I-, methanesulphonate, ethanesulphonate, formate, acetate or other inorganic or organic counter-ion or mixture thereof; and wherein alkylation on the pyridine nitrogen is optionally branched C1-C8 alkyl; further optionally wherein the alkyl chain is hydroxylated or fluorinated.
一种抗菌口罩,包括一种产生单线态氧的光敏
染料,其中该
染料是阳离子
酞菁。该
酞菁最好具有以下
化学式:(formula 1),其中 M = 铝、
钛或
锌,R = R'(a) 或 R"(b),R' = 与氧连接的苯基或
吡啶基,R" = 与氧连接的苯基、
吡啶基或N-烷基化的
吡啶基,a + b = 4,b = 1 到 4,X = Cl-、Br-、I-、
甲磺酸盐、
乙磺酸盐、
甲酸盐、
乙酸盐或其他无机或有机对离子或其混合物;并且
吡啶氮上的烷基化可以是支链的C1-C8烷基;进一步可选地,烷基链是羟基化的或
氟化的。