COATINGS FOR WATERPROOFING ELECTRONIC COMPONENTS
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United States of America
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Jan 6, 2022
app pub date -
Sep 22, 2021
filing date -
Sep 22, 2021
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Abstract
A circuit board water-proofing coating composition is provided comprising: at least one passivating agent, preferably containing a molecule comprising a thio-functional group, desirably a thiol group, an azolic moiety, or an azole, and combinations thereof; at least one binder component comprising an organic or inorganic film-forming polymer, and/or one or more polymer pre-cursors polymerizable on a substrate surface; and optionally one or more additive(s); also provided are methods of making and using the coating composition and coated circuit boards.
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