Accession Number : AD0164640

Title :   Process for Preparing a Polyphenylene Lacquer and Laminates Fabricated Therewith.

Descriptive Note : Patent,

Corporate Author : DEPARTMENT OF THE AIR FORCE WASHINGTON D C

Personal Author(s) : Bilow,Norman

Report Date : 11 DEC 1973

Pagination or Media Count : 3

Abstract : The invention relates to a process for preparing a polyphenylene lacquer. A substantially void-free laminate or composite is provided that comprises a reinforcing material coated with a cured copolymer of polyphenylene and a polysulfonyl halide, the copolymer having been prepared by reaction in an alcohol-free chloroform medium and applied to the reinforcing material as a solution in the medium. It has been discovered that by conducting the reaction in alcohol-free chloroform, a thermosetting polyphenylene resin is produced that has superior molding characteristics as well as better wetting characteristics.

Descriptors :   *Patents, *Laminated plastics, *Plastic coatings, Sulfur organic compounds, Crosslinking(Chemistry), Chloroform, Polyphenyl compounds, Copolymerization

Subject Categories : Coatings, Colorants and Finishes
      Laminates and Composite Materials

Distribution Statement : APPROVED FOR PUBLIC RELEASE