KRAFT LIGNIN, THERMAL RECORDING DEVELOPER, AND THERMAL RECORDING MATERIAL

To provide a thermal recording material difficult to feel unpleasant odor when forming an image portion while using kraft lignin as a developer, kraft lignin enabling its realization, and a thermal recording developer including the same.SOLUTION: Kraft lignin has a content of dimethyl sulfide of 2.5...

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Bibliographic Details
Main Authors MORI YASUO, SAITO HAJIME, ICHIMURA KENTA, YOSHIDA TAKESHI, SUGIMOTO MASASHIGE
Format Patent
LanguageEnglish
Japanese
Published 18.01.2023
Subjects
CHEMISTRY
COLOUR PRINTING
COMPOSITIONS BASED THEREON
DERIVATIVES OF NATURAL MACROMOLECULAR COMPOUNDS
LINING MACHINES
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
PERFORMING OPERATIONS
PRINTING
PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES
STAMPS
THEIR PREPARATION OR CHEMICAL WORKING-UP
TRANSPORTING
TYPEWRITERS
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Summary:To provide a thermal recording material difficult to feel unpleasant odor when forming an image portion while using kraft lignin as a developer, kraft lignin enabling its realization, and a thermal recording developer including the same.SOLUTION: Kraft lignin has a content of dimethyl sulfide of 2.5 ppm or less.SELECTED DRAWING: None 【課題】クラフトリグニンを顕色剤として用いながらも画像部を形成するときに不快臭を感じにくい感熱記録材料、並びに、その実現を可能とするクラフトリグニン及びそれを含む感熱記録用顕色剤を提供すること。【解決手段】本開示に係るクラフトリグニンは、ジメチルジスルフィドの含有量が、２．５ｐｐｍ以下である。【選択図】なし
Bibliography:Application Number: JP20210108546