Ink donor films
US4822674A · kind A · utility
7Cited by
13References
26Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 27, 1987 |
| Grant date | Apr 18, 1989 |
| Priority date | — |
| Expiry date | Apr 27, 2007 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31928
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
Disclosed is an ink donor film for thermal transfer printing processes comprised of a supporting substrate with a coating of an ink composition on the top surface thereof, which ink is comprised of a blend of four hydrocarbon waxes, pigment particles, pigment dispersants, and binder polymers selected from the group consisting of (1) styrene-b-isoprene-b-dimethyl siloxane triblock copolymers; (2) blends of styrene-b-isoprene diblock copolymers with styrene-b-dimethyl siloxane diblock copolymers; (3) styrene/ethylacrylate/butylacrylate random copolymers; and (4) poly(vinylmethyl ether).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.