Online measuring method of self clean glass contact angle
A technology of contact angle and glass, which is applied in the direction of measuring devices, instruments, and optical devices, etc., can solve the problems of the influence of the accuracy of the measurement results, the absence of mathematical models, and the large range of relative errors, so as to improve the recognition ability and save energy. Time, the effect of improving accuracy
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[0042] Example 1: On-line measurement for on-line production of self-cleaning glass:
[0043]The following are the test results of the same batch of production samples measured using the present invention and other existing methods:
[0044] A total of three groups of 100mm × 100mm samples were taken from the same original float glass sheet in the production line, and the number of each group was the same for comparative experiments.
[0045] 1) the first group is tested by the method of the present invention;
[0046] The relative humidity in the test room is 50%±5%, the humidity variation range is ±2%, and the temperature is 23±1℃. The test method adopts the hanging drop method, and the calculation method adopts the θ / 2 method. This group uses SL series contact angle tester to measure, the SL series contact angle tester adopts the analysis system as CAST software system, the software system is installed in the computer, and then the contact angle tester is connected with t...
Example Embodiment
[0067] Example 2: Testing the contact angle of superhydrophilic self-cleaning glass using the method of the present invention.
[0068] The contact angle of the super-hydrophilic self-cleaning glass is very small, also called the hydrophilic angle, which is generally less than or equal to 3°. When the contact angle measured by a general contact angle tester is less than or equal to 3°, it is difficult to use the general test method. Accurate measurement; and the measurement method of the present invention is also relatively accurate in the measurement result of this situation, and the error is less than 1°. The following is the application of the present invention in testing the hydrophilic angle test of super-hydrophilic self-cleaning glass:
[0069] In the test of the hydrophilic angle of the superhydrophilic film layer, there is no need to make any adjustment in operation. The measurement results are shown in Table 2, which records the two measurement results.
[0070] ...
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