Heat-sensitive recording materials

Details Heat-sensitive recording materials Heat-sensitive recording materials

1990-02-06

1991-09-03

Schwartz, Pamela R.

Record receiver having plural interactive leaves or a colorless

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

Having nonreactant particles of defined size

503200, 503226, 428323, 428330, 428331, B41M 540

Patent

active

050455230

ABSTRACT:
A heat-sensitive recording material comprising a support, a heat-sensitive coloring layer provided thereon and optionally an undercoat layer provided between these two layers, said heat-sensitive coloring layer and/or said undercoat layer comprising specific, spherical, porous, inorganic particles. The heat-sensitive recording material is excellent in that a sufficient optical density can be obtained when printing is carried out with a low energy, and the fused matters do not substantially adhere to the thermal head when the recording material is printed and the optical density is hardly lowered when printing is carried out with a high energy.

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