PROCESS FOR PREPARING SURFACE-REACTED CALCIUM CARBONATE

    公开(公告)号:US20190270890A1

    公开(公告)日:2019-09-05

    申请号:US16308627

    申请日:2017-07-21

    Abstract: The present invention relates to a process for producing surface-reacted calcium carbonate, wherein a calcium carbonate-comprising material is treated with phosphoric acid, carbon dioxide, and specific dicarboxylic acids, in an aqueous medium to form an aqueous suspension of surface-reacted calcium carbonate. Furthermore, the present invention relates to surface-reacted calcium carbonate obtained by said process and its use.

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