Accession Number : ADD010255

Title :   Interfacial Process for Preparing Polyaromatic Esters.

Descriptive Note : Patent,

Corporate Author : DEPARTMENT OF THE AIR FORCE WASHINGTON DC

Personal Author(s) : Chen,Paul Y ; Marvel,Carl S

Report Date : 26 Apr 1983

Pagination or Media Count : 5

Abstract : New, easily processable, polyaromatic esters were prepared fom 2,2'-diiododiphenyl-4,4'-dicarbonyl dichloride, isophthaloyl chloride and/or terephthaloyl chloride in combination with 4,4'-isopropylidene diphenol, 4,4'-sulfonyldiphenol, or resorcinol by interfacial condensation. In these polymers, phenylacetylenyl groups can be easily introduced into the polymer chain by replacing the iodine. This process leads to soluble and curable polymers from which films can be prepared. After curing the polymers are insoluble and show excellent thermal and chemical resistance. The curing process increases the polymers' softening temperature about 20 degrees C.

Descriptors :   *Patents, *Polyester plastics, *Aromatic compounds, *Heat resistant plastics, *Synthesis(Chemistry), Phenyl radicals, Carbonyl compounds, Chlorides, Iodine compounds, Sulfonyl radicals, Resorcinol, Phenols, Condensation reactions, Processing, Softening, Solubility, Inventions, Methodology

Subject Categories : Organic Chemistry
      Plastics

Distribution Statement : APPROVED FOR PUBLIC RELEASE