There is provided a stable dispersion of exfoliated layer substances prepared through interlayer exfoliation of a layered compound.
A dispersion comprising quaternary ammonium ions (A) each having a total carbon atom number of 15 to 45 and one or two C10-20 alkyl groups, and an anionic surfactant (B) having an ammonium ion, wherein plate-like particles (C) having an average thickness of 0.7 to 40 nm, an average major-axis length of 100 to 600 nm, an average minor-axis length of 50 to 300 nm, and a ratio of average major-axis length to average minor-axis length of 1.0 to 10.0 are dispersed in a liquid medium, and the plate-like particles (C) in the dispersion have an average particle diameter of 10 to 600 nm as measured by dynamic light scattering, and a transparent substrate using the dispersion.
提供了一种通过层状化合物的层间剥离制备的剥离层物质的稳定分散体。
该分散液包含季
铵盐离子(A)(每个季
铵盐离子的总碳原子数为 15 至 45)和一个或两个 C10-20 烷基,以及具有
铵离子的阴离子表面活性剂(B),其中板状颗粒(C)的平均厚度为 0.7 至 40 nm、平均主轴长度为 100 至 600 nm、平均次轴长度为 50 至 300 nm、平均主轴长度与平均次轴长度之比为 1.0 至 10.0 的板状颗粒(C)分散在液体介质中,通过动态光散射测量,分散液中的板状颗粒(C)的平均颗粒直径为 10 至 600 nm,以及使用该分散液的透明基底。