POLYESTER COPOLYMER AND COATING COMPOSITIONS THEREFROM HAVING IMPROVED CORROSION RESISTANCE

A polyester copolymer useful for food and beverage container coatings is disclosed. The copolymer is derived from ingredients including at least a diepoxide, such as a diglycidyl ether, and a glass transition increasing monomer, such as a pentaspiroglycol. In some approaches, the polyester copolymer...

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Bibliographische Detailangaben
Hauptverfasser:	HOHMAN, Brenda E, RIAZZI, Arthur, ACCIPITER, Beverly A, BARTLEY III, George K, HUSSAIN, Nusrah
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	ADHESIVES CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS CORRECTING FLUIDS DYES FILLING PASTES INKS METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING POLISHES USE OF MATERIALS THEREFOR WOODSTAINS
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Beschreibung
Zusammenfassung:	A polyester copolymer useful for food and beverage container coatings is disclosed. The copolymer is derived from ingredients including at least a diepoxide, such as a diglycidyl ether, and a glass transition increasing monomer, such as a pentaspiroglycol. In some approaches, the polyester copolymer is derived from reaction of a polyester prepolymer and a diepoxide resin. L'invention concerne un copolymère de polyester utile pour des revêtements de récipients pour aliments et boissons. Le copolymère est dérivé d'ingrédients comprenant au moins un diépoxyde, tel qu'un éther de diglycidyle, et un monomère augmentant la transition vitreuse, tel qu'un pentaspiroglycol. Dans certaines approches, le copolymère de polyester est dérivé de la réaction d'un prépolymère de polyester et d'une résine de diépoxyde.