Compared with uncoated graphite, contact Angle with water of all of the composite particles are much smaller and decreased gradually with the increase of the coating amount.

包覆后，各类复合粉体与水的接触角都比未处理石墨低，而且随着包覆率增大，接触角有进一步降低的趋势。

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The change of CL conformation in water was analyzed with dynamic contact Angle measurement.

动态接触角分析说明了CL接触水相时构象的变化。

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The result shows that the contact angle is increased with water remarkably, improving its dispersibility in organic medium.

结果表明：改性的超微二氧化钛与水的接触角增大，在有机介质中分散性提高。

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