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DEVICE AND METHOD FOR DETERMINATION OF CONTACT ANGLE ANISOTROPY OF HORIZONTAL SURFACE
DEVICE AND METHOD FOR DETERMINATION OF CONTACT ANGLE ANISOTROPY OF HORIZONTAL SURFACE
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机译:用于确定水平表面接触角各向异性的装置和方法
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摘要
The present invention generally relates to the device and the non-destructing express method for determination of anisotropy of surface wetting and of compatibility with different materials, e.g., adhesives, varnishes, paints, and other, by the determination of contact angles of liquid drop on surface with large dimensions. Device and method are characterised by the determination of contact angle of test liquid drop on to horizontal surface in three phases contact point simultaneously in two ortogonal directions with two video cameras and two diffuse light sources. Equipment could be used for product and its quality control as well as for prognosis of anisotropy of compatibility with other materials. The objective of invention is achieved by the location of camera and light source in two orthogonal orientated vertical optical planes with mirrors orientated in 450 angle against optical axis. The anisotropy of surfaces is assessed by factor that is calculated on base of simultaneously measured contact angle values.
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