SUSTAINABLE POLYOL BLENDS FOR HIGH-PERFORMANCE COATINGS

Polyester polyol blends are disclosed. The blends comprise 70 to 99 wt. % of an aromatic or aliphatic polyester polyol, 0.1 to 10 wt. % of a sugar having an average hydroxyl functionality of 4 to 6 and a melting point less than 125° C., and 1 to 20 wt. % of a glycidyl compound having a boiling point...

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Bibliographische Detailangaben
Hauptverfasser:	Spilman, Gary E, Mukerjee, Shakti L, Tabor, Rick, Beatty, Matthew J
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS COMPOSITIONS BASED THEREON CORRECTING FLUIDS DYES FILLING PASTES INKS MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS ORGANIC MACROMOLECULAR COMPOUNDS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING POLISHES THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS USE OF MATERIALS THEREFOR WOODSTAINS
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Beschreibung
Zusammenfassung:	Polyester polyol blends are disclosed. The blends comprise 70 to 99 wt. % of an aromatic or aliphatic polyester polyol, 0.1 to 10 wt. % of a sugar having an average hydroxyl functionality of 4 to 6 and a melting point less than 125° C., and 1 to 20 wt. % of a glycidyl compound having a boiling point of at least 200° C. at 760 mm Hg. The polyester polyol can be made by glycolysis of a recycled thermoplastic polymer, such as polyethylene terephthalate. The polyol blends are useful for the production of polymeric coatings and other products. Coatings made from blends of the polyester polyols and 0.1 to 10 wt. % of a sugar are also described.