Patents Assigned to Japan Atomic Energy Research Institute of Tokyo
  • Method of imparting organic functional groups to the surface of fluoropolymers by irradiation of carboxylic acids with ultraviolet light
    Patent number: 5721293
    Abstract: A fluoropolymer film or powder is brought into contact with a carboxylic acid and their surface is irradiated with ultraviolet light so that alkyl and other organic radicals derived from the carboxylic acid are introduced into the irradiated part, thereby imparting chemical affinity such as oleophilicity to the film or powder surface.
    Type: Grant
    Filed: October 31, 1995
    Date of Patent: February 24, 1998
    Assignees: Japan Atomic Energy Research Institute of Tokyo, Gunze Ltd. of Kyoto, Radiation Application Development Association of Ibaraki-ken
    Inventors: Nobuyuki Ichinose, Shunichi Kawanishi, Atsushi Okada, Shun'ichi Sugimoto