Thermal printing sheet

Details Thermal printing sheet Thermal printing sheet

1998-03-13

1999-11-09

Hess, Bruce H.

Record receiver having plural interactive leaves or a colorless

Having plural interactive leaves

428913, 428914, B41M 5035, B41M 538

Patent

active

059814306

ABSTRACT:
The present invention provides a thermal printing sheet which enables to realize a stable low friction coefficient within a heating range by a thermal head and which has a superior preservation stability without giving an adverse affect to dye layers.
The thermal printing sheet according to the present invention includes a substrate sheet 1, on one side of which are formed thermal dye layers 2 and on the other side of which is formed a heat resistant slide layer 3. The heat resistant slide layer 3 contains polyoxyalkylene sorbite fatty acid ester which exhibits a superior lubrication characteristic, enabling to obtain a low friction coefficient even under a high temperature. Moreover, the polyoxyalkylene sorbite fatty acid ester is neutral and does no adversely affect the dye layers. The heat resistant slide layer 3, in addition to the polyoxyalkylene sorbite fatty acid ester, may contain polyglycerin fatty acid ester and metallic soap.

REFERENCES:
patent: 4981748 (1991-01-01), Kawai et al.

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