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Monitor the drying process of the varnish.

 Last Update: 2020-10-26
 Source: Internet
 Author: User

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fast drying

thermal contact resistance

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Scientists have proposed a new optical method for studying varnish drying processes based on immersion solid matching techniques.
method is to match the refractive index of dry varnish with the added particles, so that dry varnish is optically transparent. The status of the drying process can be assessed by visual inspection or by tracking the transparency of the varnish through camera

.
hardness, wear resistance and corrosion resistance
this method has the advantages of non-contact, fast, simple and low cost. In addition, particles that are not visible in dry varnish can provide improved performance, such as hardness, wear resistance and corrosion resistance or delayed flammability, without sacrificing the optical appearance of the coating.
the study was published in Organic Coatings Progress Volume 136, November 2019, 105299.
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