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Micro-gap type contact angle measuring instrument

A contact angle and measuring instrument technology, applied in the direction of measuring devices, instruments, scientific instruments, etc., can solve the problems of inability to measure the liquid contact angle, and achieve the effect of good popularization and simple implementation.

Inactive Publication Date: 2013-09-18
李明远 +3
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0013] None of the above methods for measuring contact angle and related instruments can measure the contact angle of liquid in micro-scale solid micro-slits.

Method used

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  • Micro-gap type contact angle measuring instrument

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Embodiment Construction

[0024] The present invention will be further described below in conjunction with the accompanying drawings and through specific embodiments. But the following examples do not limit the protection scope of the present invention in any way.

[0025] attached figure 2 It is the overall structure of the instrument of the present invention, mainly including five parts of sample measurement part (liquid sample, solid sample), microscopic magnification, photography (microscope), graphic intake (camera), data analysis (software), and computer control. Microscope, camera, commercial graphics processing software, and computer can be selected according to the needs of measurement. Here, the sample measurement part is mainly explained further.

[0026] The sample is divided into two parts: solid sample and liquid sample. The sample measurement part mainly has three functions: solid sheet fixation, establishment and adjustment of micro gaps, and formation of contact angle of liquid in ...

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Abstract

The invention discloses a micro-gap type contact angle measuring instrument for measuring a contact angle of liquid in a solid micro-gap. The micro-gap type contact angle measuring instrument is a measurement and analysis instrument in the field of interfacial chemistry and instrumental analysis. The micro-gap type contact angle measuring instrument mainly fills in the blank of an instrument for measuring the contact angle of the liquid in the solid micro-gap. The whole analysis instrument mainly comprises a sample measuring part including a liquid sample and a solid sample, a microscopic magnification part (a microscope), a picture pickup part (a camera), a data analysis part (graphical analysis software) and a computer control part, and is characterized in that a micrometer-scale solid micro-gap can be established and regulated; and the micro-gap type contact angle measuring instrument serves as a measuring instrument and can be used for measuring the contact angle of the liquid in a micrometer-scale solid micro-gap which is continuously changed.

Description

technical field [0001] The invention discloses a micro-slit contact angle measuring instrument for measuring the contact angle of a liquid in a solid micro-slit. Micro-slit contact angle measuring instrument is a measurement and analysis instrument in the field of interface chemistry and instrument analysis. Background technique [0002] Contact angle is a parameter to characterize the wettability of solid surface in the field of colloid and interface science. At present, there are three commonly used methods for measuring contact angle: protractor method, Wilhelmy hanging plate method, and Washburn dynamic method. [0003] (1) Angle method [0004] The method of measuring the contact angle by the goniometric method is to drop the liquid on the smooth surface of the solid to be measured in the atmospheric environment to form a droplet. When the liquid, air, and solid surface are in equilibrium, the contact angle is obtained by measuring the angle between the tangent line ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N13/00
Inventor 李明远吕鹏林梅钦杨子浩
Owner 李明远
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