| abstract |
The present invention includes surface-reacted natural or synthetic calcium carbonate, one or more activators, wherein the one or more activators are combined with the surface-reacted calcium carbonate, A reaction product of natural or synthetic calcium carbonate with carbon dioxide and one or more acids, wherein carbon dioxide is formed in situ by acid treatment and / or supplied from an external source Relates to a carrier for controlled release. The invention further relates to the preparation of the support and their use in various applications. |