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    • 3. 发明授权
    • Cellulose dispersion
    • 纤维素分散体
    • US06541627B1
    • 2003-04-01
    • US09555639
    • 2000-06-01
    • Hirofumi OnoToshihiko MatsuiIkuya Miyamoto
    • Hirofumi OnoToshihiko MatsuiIkuya Miyamoto
    • C08B1600
    • C08J3/03C08J3/09C08J3/122C08J2301/02C08L1/02C09D101/02D21H19/42C08L2666/02
    • A cellulose dispersion which is a dispersion comprising a dispersing medium and a cellulose having a fraction of cellulose I type crystal component of not more than 0.1 and a fraction of cellulose II type crystal component of not more than 0.4 and in which the average particle diameter of the constitutive cellulose is not more than 5 &mgr;m. A cellulose particulate and a cellulose composite particulate which have an average particle diameter of 0.2 to 20 &mgr;m, a ratio of long diameter (L) to short diameter (D) observed through a scanning electron microscope (L/D) of not more than 1.2 and a coefficient of aggregation of 1.0 to 3.0. The present invention provides a cellulose dispersion which has an excellent effect such as dispersion stability or the like and is high in transparency. Moreover, it provides a cellulose particulate and a cellulose composite particulate which have such performances as no rough feel, excellent rolling properties, high dispersibility and the like.
    • 纤维素分散体,其是包含分散介质和纤维素的分散体,所述分散介质和纤维素的纤维素I型结晶组分的分数不大于0.1,纤维素II型结晶组分的分数不大于0.4,并且其中平均粒径 组成纤维素不超过5毫米。 平均粒径为0.2〜20μm的纤维素颗粒和纤维素复合颗粒,通过扫描电子显微镜(L / D)观察到的长径比(L)与短径(D)之比不大于1.2 并且聚集系数为1.0至3.0。 本发明提供了具有优异的分散稳定性等效果,透明性高的纤维素分散体。 此外,其提供具有无粗糙感,优异的滚动性,高分散性等性能的纤维素颗粒和纤维素复合颗粒。