Note pad containing carbonless color-developing material

A note pad (2) includes: a stack of carbonless note sheets (3) each of which includes: a substrate (31); and a color-developing coating layer (32) formed on an upper surface (311) of the substrate (31), and including a plurality of microcapsules (321) and a carbonless color-developing material (322)...

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Bibliographic Details
Main Authors LIU, JEN-RONG, KUO, HSIEN-MIN, KUO, TSUNG-TIEN, HSU, TSUN-RUNG
Format Patent
LanguageEnglish
French
German
Published 13.03.2013
Subjects
COLOUR PRINTING
LINING MACHINES
PERFORMING OPERATIONS
PRINTING
PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES
STAMPS
TRANSPORTING
TYPEWRITERS
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Summary:A note pad (2) includes: a stack of carbonless note sheets (3) each of which includes: a substrate (31); and a color-developing coating layer (32) formed on an upper surface (311) of the substrate (31), and including a plurality of microcapsules (321) and a carbonless color-developing material (322), each of the microcapsules (321) encapsulating a reactive dye and being breakable, when subjected to a pressure, to release the reactive dye to react with the carbonless color-developing material (322) for color development.
Bibliography:Application Number: EP20110153683