Title:
SIZE COMPOSITION CONTAINING FORMATE, PRODUCTION THEREOF AND PAPER SIZED THEREWITH
Document Type and Number:
Japanese Patent JPS59100796
Kind Code:
A
Abstract:
Novel sizing comprising an aqueous mixture of ammonia, an ammonium salt of formic acid, and a rosin that is modified with from about 5 to 50 percent, based on the weight of the rosin, of an organic acidic compound selected from the group consisting of an alpha , beta -unsaturated organic acid, an anhydride thereof, and their mixtures. In one embodiment, the ammonia and ammonium salt are produced as the reaction product of urea and formic acid. A method of making the sizing compositions and paper which is sized with the sizing compositions are also provided.
Inventors:
RARUFU WARUDOO EMAASON SHINIA
Application Number:
JP21422383A
Publication Date:
June 11, 1984
Filing Date:
November 16, 1983
Export Citation:
Assignee:
PLASMINE CORP
International Classes:
B01J14/00; D21H17/14; D21H17/21; D21H17/62; D21H17/63; (IPC1-7): D21H3/08; D21H3/24; D21H3/68
Attorney, Agent or Firm:
Hiroaki Tazawa