13.
    发明专利
    未知

    公开(公告)号:BR8006707A

    公开(公告)日:1981-04-22

    申请号:BR8006707

    申请日:1980-10-17

    Applicant: HOECHST AG

    Abstract: The invention provides a process for the manufacture of a polyethylene wax micro-powder, 99 weight % of which has a grain size of less than 15 microns, for the dulling of varnishes. Such a micro-powder generally cannot be obtained without difficulty by grinding; in accordance with the invention this is possible, however, by grinding the polyethylene wax together with an amide wax.

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