Reusable ink sheet for use in heat transfer recording and produc

Details Reusable ink sheet for use in heat transfer recording and produc Reusable ink sheet for use in heat transfer recording and produc

1992-06-29

1994-02-15

Ryan, Patrick J.

Coating processes

Transfer or copy sheet making

428195, 428402, 428407, 4284881, 4284884, 428913, 428914, B32B 900

Patent

active

052865215

ABSTRACT:
A reusable, heat transfer recording ink sheet using an ink containing, in addition to a colorant and a vehicle, ethylene/vinyl acetate-coated fine powders capable of being partially transferred to an inkreceiving recording medium for each transfer recording, the ethylene/vinyl acetate having a number average molecular weight of 30,000 or less and a vinyl acetate unit thereof being in the range of 18 to 45% by weight of the copolymer. The ink sheet ensures that prints having a sufficiently high density of print and an excellent fixing of the ink to the recording medium are obtained, together with a remarkably increased number of the repetitions of use of the sheet. A production process of the ink sheet is also provided.

REFERENCES:
patent: 3368985 (1968-02-01), Wissinger et al.
patent: 3852091 (1974-12-01), Newman
patent: 4661393 (1987-04-01), Uchiyama et al.

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