ERASABLE COLORING MATERIAL COMPOSITION

PROBLEM TO BE SOLVED: To provide an erasable coloring material composition capable of exhibiting cleaning erasability sufficiently even when a neutral laundry detergent is used, excellent in dispersion stability, capable of using wider range of carbon black, and further having no blotting of outline...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	FUKUO HIDETOSHI, SUZAKI KIYOKO, FUKUDA AYAKA
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	ADHESIVES CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS CORRECTING FLUIDS DYES FILLING PASTES INKS METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING POLISHES USE OF MATERIALS THEREFOR WOODSTAINS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide an erasable coloring material composition capable of exhibiting cleaning erasability sufficiently even when a neutral laundry detergent is used, excellent in dispersion stability, capable of using wider range of carbon black, and further having no blotting of outlines of characters after carbon black writing.SOLUTION: There is provided an erasable coloring material containing polyvinyl alcohol with saponification degree of 70.0 to 95.0 of 1.5 to 20.0 wt.%, carbon black and water.SELECTED DRAWING: Figure 1 【課題】中性の洗濯用洗剤を使用しても十分に洗濯消去性を発揮でき、かつ分散安定性に優れると共に、より広範囲のカーボンブラックを使用でき、さらにカーボンブラック筆記後において文字の輪郭が滲むことがない消去性着色材組成物を得ること。【解決手段】けん化度が７０．０〜９５．０のポリビニルアルコールを１．５〜２０．０重量％カーボンブラック及び水を含有する消去性着色材組成物。【選択図】図１