Reversible thermosensitive coloring composition and reversible t

Details Reversible thermosensitive coloring composition and reversible t Reversible thermosensitive coloring composition and reversible t

1998-07-13

1999-12-14

Hess, Bruce

Compositions: coating or plastic

Coating or plastic compositions

Marking

106 3118, 106 3123, C09D 1100

Patent

active

060011599

ABSTRACT:
A reversible thermosensitive coloring composition contains an electron-donating coloring compound and an electron-accepting compound, and is capable of reversibly assuming a color-developed state or a decolorized state depending upon the the temperature of the reversible thermosensitive coloring composition when heated, and/or the cooling rate of the reversible thermosensitive coloring composition when cooled after the heating thereof, with the electron-accepting compound being a compound of formula (I):

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