| 摘要 |
<p>A proces for preparing a water-insoluble or water-soluble PVP-iodine product which comprises intimately mixing water-insoluble PVP or water-soluble PVP having a K-value of 10-20, about 10 to 20 % by weight of iodine powder and about 0.05 to 1 % by weight of isopropanol, heating the reaction mixture at a mixing temperature of room temperature to about 30-60 °C for about 0.5 to 6 hours, and heating the mixture at a reaction temperature of about 65 to 98 °C for about 10-24 hours, generally at least 18 hours, to form a stable, uniform, free-flowing powder.</p> |
