Reversible heat sensitive recording composition

Details Reversible heat sensitive recording composition Reversible heat sensitive recording composition

1985-12-11

1988-01-19

Yarbrough, Amelia Burgess

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

503213, 503216, 503217, 503219, 503220, 503221, 503222, 503223, 503224, 503225, C09D 1100

Patent

active

047203013

ABSTRACT:
A new reversible heat sensitive recording composition for erasable recording is disclosed which is used as a recording or marking material that is capable of erasure at a specific temperature so that coloring or decoloring can be controlled to occur at desired temperature ranges. This range or the hysteresis value of the composition is determined by the .DELTA.T value of the contained ester compound. In addition, the composition can provide a wide variety of hues and can readily be prepared. The marking or recording drawn in this composition can be maintained at room temperature or less.

REFERENCES:
patent: 4028118 (1977-06-01), Nakasuji et al.
patent: 4399188 (1983-08-01), Yamato et al.

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