Thermal printing ribbon

Details Thermal printing ribbon Thermal printing ribbon

1988-12-23

1991-01-08

Hess, Bruce H.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including components having same physical characteristic in...

428195, 428484, 4284884, 428497, 428500, 428522, 428913, 428914, B41M 526

Patent

active

049834452

ABSTRACT:
A heat-sensitive transferring recording medium comprises a heat-resistant substrate, a heat-sensitive releasing layer and a heat-sensitive transferring ink layer, and the ink layer mainly comprises 50-80 wt. % polyethylene resin having a melting point or softening point of 60.degree.-150.degree. C., molecular weight of 1,000-100,000, penetration of 20 or less (at 25.degree. C.) (JIS K 2235), and melting viscosity of 100-10,000 cps (at 140.degree. C.), 0-30 wt. % wax having a melting point of 50.degree.-110.degree. C., and 5-45 wt. % coloring agent.
A heat-sensitive transferring recording medium comprises a heat-resistant substrate, a heat-sensitive releasing layer melting at 50.degree.-100.degree. C. and a heat-sensitive transferring ink layer.

REFERENCES:
patent: 3944695 (1976-03-01), Kosaka et al.
patent: 4555436 (1985-11-01), Guertson
patent: 4559273 (1985-12-01), Kutsukake et al.
patent: 4592946 (1986-06-01), Shuman
patent: 4617224 (1986-10-01), Hotta etal.
patent: 4698268 (1987-10-01), Ueyama

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