POLYOLS FOR LOW-VOC POLYURETHANE APPLICATIONS

Polyester polyols for use in low-VOC polyurethane compositions are disclosed. The polyester polyols are the reaction product of at least one aliphatic polycarboxylic acid, at least one alkoxylated polyalcohol having a functionality of 2.0 or greater, and one or more polyalcohols other than an alkoxy...

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Bibliographische Detailangaben
Hauptverfasser:	JANOS Jeffrey R, O''BRIEN Michael E
Format:	Patent
Sprache:	eng ; spa
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 MATERIALS THEREFOR WOODSTAINS
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Beschreibung
Zusammenfassung:	Polyester polyols for use in low-VOC polyurethane compositions are disclosed. The polyester polyols are the reaction product of at least one aliphatic polycarboxylic acid, at least one alkoxylated polyalcohol having a functionality of 2.0 or greater, and one or more polyalcohols other than an alkoxylated polyalcohol. The polyester polyols can be formulated into polyurethane compositions to obtain a polyurethane having a low VOC content. The polyurethane composition is particularly suitable for polyurethane coating applications. La presente invención se refiere a polioles de poliéster para uso en las composiciones de poliuretano de bajo contenido de VOC. Los polioles de poliéster son el producto de reacción de al menos un ácido policarboxílico alifático, al menos un polialcohol alcoxilado que tiene una funcionalidad de 2.0 o mayor, y uno o más polialcoholes distintos de un polialcohol alcoxilado. Los polioles de poliéster pueden ser formulados en composiciones de poliuretano para obtener un poliuretano que tiene un bajo contenido de VOC. La composición de poliuretano es particularmente adecuada para aplicaciones de recubrimiento de poliuretano.