Heat sensitive recording material

Details Heat sensitive recording material Heat sensitive recording material

1989-01-27

1990-12-11

Schwartz, Pamela R.

Record receiver having plural interactive leaves or a colorless

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

Spatial relationship specified between color-former and...

427152, 503200, 503207, 503214, B41M 518

Patent

active

049771337

ABSTRACT:
In a heat sensitive recording material comprising a substrate and a heat sensitive recording layer thereon containing a colorless or light-colored basic dye and a color acceptor which is reactive with the dye to form a color when contacted therewith, the recording material characterized in that an emulsion containing complex particles of colloidal silica and at least one of acrylic polymer and styrene-acrylic polymer is added to a coating composition for the recording layer and/or a coating composition for a protective layer formed on the recording layer.

REFERENCES:
patent: 4415627 (1983-11-01), Miyauchi
patent: 4583103 (1986-04-01), Hayashi et al.
patent: 4594269 (1986-06-01), Miyauchi

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