Title:
TWO-COMPONENT COLORING SHEET
Document Type and Number:
Japanese Patent JPH05270121
Kind Code:
A
Abstract:
PURPOSE: To provide a new two-component coloring sheet in which a colored pattern can be observed from the surface of one base sheet pressed to a specified degree and coloring occurs at the interval of a short time after pressurization or in a non-pressurized state.
CONSTITUTION: The subject two-component coloring sheet consists of a microcapsule coloring agent layer 2 with a core material of liquid coloring agent, a liquid-permeable sheet 4 and a color developer which develops a color of coloring agent provided in that order, on the surface of a base sheet 1.
Inventors:
Namba Keijiro
Application Number:
JP6615392A
Publication Date:
October 19, 1993
Filing Date:
March 24, 1992
Export Citation:
Assignee:
Toppan Printing Co., Ltd.
International Classes:
B41M5/132; B41M5/124; B42D15/00; (IPC1-7): B41M5/124; B42D15/00