Heat transfer ink ribbon

Details Heat transfer ink ribbon Heat transfer ink ribbon

1991-09-06

1993-08-24

Bell, Mark L.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

428206, 428195, 428913, 106 20R, R02B 900

Patent

active

052387275

ABSTRACT:
Disclosed herein is a heat transfer ink ribbon characterized by that the ink layer is made with a binder resin which is a graft polymer formed by grafting a backbone polymer with a vinyl compound of cyclic structure having a ring comprised of 4 or more atoms. This binder resin helps the ink ribbon to have an optimum gamma value and reproduce the smooth gradation.

REFERENCES:
patent: 3508492 (1970-04-01), Seibert

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