LOW-VOC PIGMENTED COATING COMPOSITIONS FOR HIGH HUMIDITY ENVIRONMENTS
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United States of America Patent
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Issued Date -
Nov 10, 2022
app pub date -
Apr 29, 2021
filing date -
Apr 29, 2021
priority date (Note) -
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status (Latency Note)
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Abstract
A coating composition can include an aliphatic polyisocyanate and a polyaspartate combined at an equivalent ratio of from 0.9 to 1.8, the aliphatic polyisocyanate having an NCO % of from 6 wt % to 25 wt % based on ISO 11909:2007. The coating composition can also include a pigment at a pigment to binder ratio of from 0.05 to 1.3, a drying agent in an amount of from 0.5 wt % to 5 wt % based on a total weight of the coating composition, and a bismuth compound. The coating composition can have a total solvent content of less than or equal to 250 g/L.
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