IMPROVED STABILITY OF POLYURETHANE POLYOL BLENDS CONTAINING HALOGENATED OLEFIN BLOWING AGENT

World Intellectual Property Organization Patent

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Abstract

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A polyol pre-mix composition includes a blowing agent having a halogenated hydroolefin, a polyol, a surfactant, a catalyst composition, and a metal salt. The metal salt may be, for example, a carboxylate, acetylacetonate, alcoholate of a metal selected from the group consisting of Zn, Co, Ca, and Mg. The metal salt may be, for example, a carboxylate and/or alcoholate of a C1-C21 straight chain or branched aliphatic monocarboxylic acid or monoalcohol, such as magnesium formate, zinc octoate, calcium octoate, cobalt octoate, and magnesium octoate, and mixtures thereof. The metal acetylacetonate may be, for example, zinc acetylacetonate, cobalt acetylacetonate, magnesium acetylacetonate, or calcium acetylacetonate. A two-part system for producing a thermosetting foam blend includes (a) a polyisocyanate and, optionally, one or more isocyanate compatible raw materials; and (b) the polyol pre-mix composition. A method for producing a thermosetting foam blend includes combining: (a) a polyisocyanate; and (b) the polyol pre-mix composition.

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Patent Owner(s)

Patent OwnerAddress
ARKEMA INCUSKING OF PRUSSIA PA 19406

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Inventor(s)

Inventor Name Address
CHEN BENJAMIN B WAYNE PENNSYLVANIA 19087
COSTA JOSEPH S GILBERTSVILLE
SESHADRI SRI R HOLLAND
LIU HAIMING UPPER UMCHLAN PENNSYLVANIA 19425
ABBAS LAURENT ARDMORE
HONNICK WILLIAM D EXTON PENNSYLVANIA 19341

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