Thermally-responsive record material

Details Thermally-responsive record material Thermally-responsive record material

1991-11-12

1992-11-17

Schwartz, Pamela R.

Record receiver having plural interactive leaves or a colorless

Having a colorless color-former, developer therefor, or...

Having constituent defined in terms of melting temperature

503209, 503216, 503225, B41M 530

Patent

active

051643561

ABSTRACT:
Thermally-responsive record materials are described containing a "complex" material formed from interactions at high pH between zinc stearate and ammonia and/or zinc stearate, ammonia and zinc oxide. The use of these materials in thermally-responsive sheets improves thermal image response and/or improves resistance to thermal image decline upon exposure to elevated temperature.

REFERENCES:
patent: 4880766 (1989-11-01), Miller et al.

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