A type of synthetic resin made from phthalic anhydride and glycerin, used in paints, varnishes, and protective coatings.
From 'glyce-' (glycerin) + 'phthal-' (phthalic) + '-al' (chemical suffix). This trademark name emerged in the 1920s-30s when the polymer was first synthesized.
Glyptal was revolutionary—it created the first water-resistant paints that could withstand extreme temperatures, eventually making it ideal for aircraft and military equipment during World War II.
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