Silicone polyurea
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United States of America Patent
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Jul 25, 2017
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app pub date -
Dec 17, 2015
filing date -
Dec 23, 2014
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Abstract
Novel polyurea siloxane coating compositions are contemplated, the compositions being the reaction products of isocyanate prepolymers and resin blends, with the resin blends containing siloxane copolymers in addition to conventional polyurea monomer and polymer resin reactants. Specifically, it has been found that reaction products having superior gloss retention, water resistance, temperature resistance, and chemical resistance may be formed from isocyanate prepolymers and resin blends having various amounts of poly[(3-aminopropyl)methylsiloxane-co-diphenylsiloxane] in addition to aromatic and/or aliphatic polyamines.
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