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
      Plastics

Distribution Statement : APPROVED FOR PUBLIC RELEASE