| 摘要 |
<p>The invention relates to biocide active materials which are characterized by the external surface of the material being reduced by granulation followed by thermal treatment, a process of preparing the materials and the use thereof. Active material of biocides is fabricated by granulation followed by thermal treatment. The product is characterized by a narrow particle size distribution and an active surface which can be adapted to a desired colour intensity and leaching rate.</p> |
