| 摘要 |
<p>Porous zinc oxide having an average particle size in the range 1 to 10 νm and a surface area in the range 20 to 150 m2/g is an efficient biostatic agent. This, together with the low toxicity of zinc oxide and its non-migratory properties, render it particularly use for incorporation into plastics, particularly food and pharmaceutical packaging, paints and other coating materials</p> |
