Bobbin, Cheese, Or Cop Patents (Class 28/284)
With thermal treating (Class 28/285)
  • Sizing method
    Patent number: 5061525
    Abstract: A cheese of fiber can be effectively sized with an aqueous emulsion of a cationic polymer, containing 0.2 to 20 g/l of a water-soluble salt, at 30.degree. to 80.degree. C. The polymer preferably includes a copolymer of a vinyl monomer and an unsaturated carboxylic acid on a cationic polymer.
    Type: Grant
    Filed: November 28, 1990
    Date of Patent: October 29, 1991
    Assignee: Kao Corporation
    Inventors: Yuichi Takahashi, Tsuneo Yasumura, Yasuo Ishii