发明名称 |
Nano silver—zinc oxide composition |
摘要 |
A new composite comprises (a) 10.1-99.9% by weight of elemental Ag and (b) 0.1-89.9% by weight of ZnO, wherein the sum of (a) and (b) makes 90% or more by weight of the composite and wherein the elemental Ag has a primary particle size of 10-200 nm and/or the ZnO has a primary particle size of 0.1 to below 50 μm and/or the composite has a particle size distribution of 0.1-50 μm and/or a BET surface area of 10-100 m2/g. The novel composite may be obtained by the steps (i) mixing a first mixture of at least one Ag-salt with a second mixture of at least one Zn-salt thereby forming a third mixture of Ag- and Zn-salts, (ii) adding the third mixture to a mixture of a carbonate source, (iii) co-precipitating of the Ag- and Zn-carbonates formed in step (ii), (iv) washing of the Ag- and Zn-carbonates and (v) thermal decompositing of the Ag- and Zn-carbonates. The novel composites are useful to impart antimicrobial properties to surfaces, articles or bulk compositions, especially to membrane systems for gas- or water separation. |
申请公布号 |
US8951543(B2) |
申请公布日期 |
2015.02.10 |
申请号 |
US201414162808 |
申请日期 |
2014.01.24 |
申请人 |
Polymers CRC Ltd. |
发明人 |
Weiss Thomas;Xalter Rainer |
分类号 |
A01N59/16;A61K33/38;C08K3/22;A61K33/30;A61K45/06;B22F9/30;B82Y30/00;C01G5/00;C01G9/02;C22C29/00;C22C29/12;C22C32/00;C08K3/08 |
主分类号 |
A01N59/16 |
代理机构 |
Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P. |
代理人 |
Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P. |
主权项 |
1. A porous antimicrobial membrane comprising:
(i) an organic polymer, and (ii) composite particle(s) that contain
(a) 10.1-99.9% by weight of elemental Ag nanoparticle(s) and(b) 0.1-89.9% by weight of ZnO,wherein the sum of (a) and (b) makes 90% or more by weight of the composite. |
地址 |
Notting Hill AU |