Accession Number : AD0164478
Title : Method for Modifying Polyhydroxy Ethers.
Descriptive Note : Patent Application,
Corporate Author : DEPARTMENT OF THE AIR FORCE WASHINGTON D C
Personal Author(s) : Dauksys,
Report Date : 29 SEP 1972
Pagination or Media Count : 8
Abstract : The patent application provides a method for modifying polyhydroxy eithers, derived from epichlorohydrin and bisphenol A. It comprises mixing such an ether with a material selected from the group consisting of dianisidine diisocyanate, polymethylene polyphenylisocyanate, a melamine-formaldehyde resin and trimellitic anhydride, and heating the resulting mixture under pressure. The method provides molded articles which have improved thermal and physical properties.
Descriptors : *Polymers, *Ethers, Patents, Isocyanates
Subject Categories : Polymer Chemistry
Distribution Statement : APPROVED FOR PUBLIC RELEASE