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    • 6. 发明申请
    • A METHOD FOR PRODUCING ZETA NEGATIVE NANODIAMOND DISPERSION AND ZETA NEGATIVE NANODIAMOND DISPERSION
    • 一种生产ZETA负极纳米颗粒分散体和ZETA负极纳米颗粒分散体的方法
    • WO2014174150A1
    • 2014-10-30
    • PCT/FI2014/050290
    • 2014-04-22
    • CARBODEON LTD OY
    • MYLLYMÄKI, VesaSYRÉN, Jesse
    • C01B31/06
    • C09G1/04C01B31/065C01B32/15C01B32/25C01B32/28C10M125/02C10M129/26C10M2201/041C25D3/02
    • The present invention relates to a method for producing zeta negative single digit carboxylated nanodiamond dispersion. The method comprises adjusting pH of zeta negative carboxylated nanodiamond suspension to at least 7, and subjecting the pH adjusted suspension to beads milling. The present invention further relates to zeta negative single digit carboxylated nanodiamond dispersion comprising zeta negative single digit carboxylated nanodiamond particles and a liquid medium, wherein zeta potential of the zeta negative single digit carboxylated nanodiamond dispersion is over -37 mV measured at pH over 7, zeta negative single digit carboxylated nanodiamond particle concentration in the dispersion is over 2 wt-% and D90 average primary particle size distribution of the zeta negative single digit carboxylated nanodiamond particles is from 2 nm to 12 nm.
    • 本发明涉及一种生产ζ阴性单数位羧化纳米金刚石分散体的方法。 该方法包括将Zeta阴性羧化纳米金刚石悬浮液的pH调节至少7,并将经调节的pH调节的悬浮液进行珠磨。 本发明还涉及包含ζ阴性单数位羧化纳米金刚石颗粒和液体介质的ζ阴性单数位羧化纳米金刚石分散体,其中ζ阴性单数位羧化纳米金刚石分散体的ζ电位在pH7以上测量超过-37mV,ζ 分散体中的负单数羧化纳米金刚石颗粒浓度超过2重量%,ζ阴性单数位羧基化纳米金刚石颗粒的D90平均一次粒径分布为2nm至12nm。