Title:
FIXING METHOD OF PRINTING WATER BASE INK AND WATER BASE INK
Document Type and Number:
Japanese Patent JPH0952463
Kind Code:
A
Abstract:
To provide a method for quickly fixing ink, and printing ink used for the method in water base ink.
Water base ink is prepared by employing a water-soluble polymer compound in a water solution having a plurality of -COO- groups in one molecule in water such as alginic acid, CMC, xanthanegum, or sodium polyacrylate as a vehicle. Printing is performed to a matter to be printed with the water base ink. After that, by coating or giving by a spraying means or the like, a metal ion with bivalence or more with or to the ink spread in the matter to be printed, the polymer compound is gelled, resulting in quickly fixing the water base ink.
Inventors:
YAMAMOTO YASUO
Application Number:
JP22458395A
Publication Date:
February 25, 1997
Filing Date:
August 10, 1995
Export Citation:
Assignee:
RISO KAGAKU CORP
International Classes:
B41M7/00; C09D11/02; C09D11/10; (IPC1-7): B41M7/00; C09D11/02
Attorney, Agent or Firm:
Ide Masatake
Next Patent: CURVED SURFACE OFFSET PRINTING METHOD