Reference

Multiple-use color thermal transfer printing ribbon

Multiple-use color thermal transfer printing ribbon. (Nippon Telegraph and Telephone Public Corp., Japan). Jpn. Kokai Tokkyo Koho JP 58188690 A2 4 Nov 1983 Showa, 7 pp. (Japanese). (Japan). CODEN: JKXXAF. CLASS: IC: B41M005-26; B41J031-00. APPLICATION: JP 82-71324 30 Apr 1982. DOCUMENT TYPE: Patent CA Section: 42 (Coatings, Inks, and Related Products) Section cross-reference(s): 74 A substrate having a finely porous structure for ink-holding layers is coated with heat-sensitive transfer printing inks having different colors (yellow, cyan, magenta, and optionally black) to prep. a ribbon. Thus, Eslec (vinyl acetate-vinyl chloride copolymer) [9003-22-9] 20, Bu cellosolve 10, MEK 40, and a following ink 30 parts were ball milled, coated on a polyester film, and dried to prep. a ribbon. A yellow ink contained Benzidine Yellow [6358-85-6]-Oramine base [492-80-8]. A cyan ink contained milori blue [14038-43-8]-Victoria Blue Base [6786-83-0]. A magenta ink contained Lake Red [69344-93-0]-Rhodamine Base [509-34-2]. The ribbon gave clear letters after ~10 printings and readable letters after ~20 printings.