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Application filed by Mitsui Chemicals IncfiledCriticalMitsui Chemicals Inc
Priority to MYPI90001883ApriorityCriticalpatent/MY105965A/en
Publication of MY105965ApublicationCriticalpatent/MY105965A/en
Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products
(AREA)
Abstract
THE PRESENT INVENTION RELATES TO A POLYOL, POLYURETHANE RESIN, RIGID POLYURETHANE FOAM, PREPARATION PROCESS THEREOF AND A PREPARATION PROCESS OF A RIGID POLYURETHANE FOAM COMPOSITE.THE POLYOL USED IN THE PRESENT INVENTION COMPRISES A PHENOL RESIN BASE POLYOL MIXED WITH AN AMINOPHENOL BASE POLYOL OR A POLYPHENYLPOLYXYLYLENEPOLYAMINE BASE POLYOL OR A POLYMETHYLENEPOLYPHENYLPOLYAMINE BASE POLYOL.THE ABOVE POLYURETHANE RESIN, FOAM AND COMPOSITE HAVE RESISTANCE TO DISSOLUTION IN A HYDROCHLOROFLUOROCARBONS AND A HYDROFLUOROCARBONS WHICH ARE FOAMING AGENTS HAVING VERY LOW PUBLIC HAZARD.THE ABOVE-MENTIONED FOAMS HAVE PHYSICAL PROPERTIES EQUIVALENT TO THOSE OF CONVENTIONAL POLYURETHANE FOAMS OBTAINED BY USING CHLOROFLUOCARBONS, AND HENCE ARE VERY USEFUL AS A THERMAL INSULATION MATERIAL OR A THERMAL INSULATION STRUCTURE FOR REFRIGERATORS, FREEZERS, INSULATION PANELS, SHIPS OR VEHICLES.
MYPI90001883A1990-10-291990-10-29Polyol and polyurethane foam
MY105965A
(en)