AQUEOUS RESINOUS BINDERS

Aqueous resinous binders comprising graft copolymers, water-dilutable urethane polyols, epoxy-phosphorus acid reaction products, and an aqueous dispersion comprising the reaction product of trimellitic anhydride and a polyol, wherein the molar ratio of trimellitic anhydride to the polyol in the reac...

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Bibliographische Detailangaben
Hauptverfasser: LAMERS, PAUL H, VERARDI, CHRISTOPHER A, NOVAK, CAROLYN A.K, MELI, MICHELE L
Format: Patent
Sprache:eng ; fre ; ger
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Zusammenfassung:Aqueous resinous binders comprising graft copolymers, water-dilutable urethane polyols, epoxy-phosphorus acid reaction products, and an aqueous dispersion comprising the reaction product of trimellitic anhydride and a polyol, wherein the molar ratio of trimellitic anhydride to the polyol in the reaction product ranges from 1:2 to 1:4, and wherein the reaction product is further reacted with an anhydride to form another reaction product are disclosed. The binders are useful in primer formulations for automotive applications.