SEALANT&ADHESIVE USING GREEN PREPOLYMER

A polyurethane prepolymer comprising the reaction product of a reactant formulation comprising a polyol entirely derived from a natural oil; a natural oil-petroleum blend polyol; an isocyanate, at least one catalyst, drying agent, and plasticizer, wherein the prepolymer has a bio-based content of fr...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	NEGINBHAI-PATEL, JAYESH, FERENZ, ROBERT, LOUIS, VARKEY, JYOTHI
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE ADHESIVES CHEMISTRY COMPOSITIONS BASED THEREON DYES MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL ORGANIC MACROMOLECULAR COMPOUNDS PAINTS POLISHES THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF MATERIALS AS ADHESIVES
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Beschreibung
Zusammenfassung:	A polyurethane prepolymer comprising the reaction product of a reactant formulation comprising a polyol entirely derived from a natural oil; a natural oil-petroleum blend polyol; an isocyanate, at least one catalyst, drying agent, and plasticizer, wherein the prepolymer has a bio-based content of from about 15% to about 75% by weight. The prepolymer may be used in adhesive, or sealant compositions. L'invention porte sur un polyuréthane prépolymère comprenant le produit de réaction d'une formulation de réactifs comprenant un polyol entièrement issu d'une huile naturelle; un polyol mélangé d'huile naturelle-pétrole; un isocyanate; au moins un catalyseur; un agent siccatif; et un plastifiant, le prépolymère ayant une teneur à base biologique d'environ 15% à environ 75% en poids. Le prépolymère peut être utilisé dans des compositions d'adhésifs ou de produits d'étanchéité.