Novel aromatic polyester polyol mixtures made from polyethylene terephthalate residues and alkylene oxides

Mixtures of aromatic polyols containing ester functionalities suitable for use in rigid polyurethane and polyisocyanurate foams are described. The mixtures are prepared by reacting a polyethylene terephthalate (PET) residue with an alkylene oxide in the presence of a basic catalyst. These novel poly...

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Bibliographic Details
Main Author BRENNAN; MICHAEL E
Format Patent
LanguageEnglish
Published 27.03.1984
Subjects
CHEMISTRY
COMPOSITIONS BASED THEREON
MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
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Summary:Mixtures of aromatic polyols containing ester functionalities suitable for use in rigid polyurethane and polyisocyanurate foams are described. The mixtures are prepared by reacting a polyethylene terephthalate (PET) residue with an alkylene oxide in the presence of a basic catalyst. These novel polyol mixtures may be blended with conventional polyols to yield rigid foams with better flammability resistance as compared with foams made from conventional polyols alone.
Bibliography:Application Number: US19820443727