Dye transfer type thermal printing sheet

Details Dye transfer type thermal printing sheet Dye transfer type thermal printing sheet

1990-03-12

1991-08-27

Hess, Bruce H.

Record receiver having plural interactive leaves or a colorless

Having plural interactive leaves

8471, 427146, 428195, 428447, 428913, 428914, B41M 5035, B41M 526

Patent

active

050433180

ABSTRACT:
The present invention provides dye transfer type thermal printing sheet comprising a base sheet, a dye-containing layer formed on the base sheet and a dye-permeable layer which is formed on the dye-containing layer and comprises at least one water dispersible polysiloxane graft polymer which is obtainable by polymerizing (B) 0.05 to 10% by weight of a polymerizable silane compound, (C) 1 to 30% by weight of an unsaturated organic acid and (D) 40 to 97.95% by weight of a monomer which is copolymerizable with the silane compound (B) and the unsaturaed organic acid (C) in the presence of (A) 1 to 20% by weight of a polysiloxane having terminal hydroxyl groups (provided that the total of the components (A), (B), (C) and (D) is 100% by weight) in an organic solvent except an alcohol or at least one salt of said graft polymer with a base, which has good storage stability, generates images with improve weather durability and prevents great decrease of print density as increase of the number of printing times.

REFERENCES:
patent: 3458355 (1969-07-01), Newman
patent: 4724228 (1988-02-01), Hann
Matsuda et al., "Partially Reusable Printing Characteristics of Dye Transfer Type Thermal Printing Sheets", Papers for the 2nd Nonimpact Printing Technology Symposium (1985), pp. 101-104.
"Study on Sublimation Type Film for Multiple Recording", Preprints for 1986 Annual Meeting of Image Electronics Society.
Matsuda et al., "Multi-Usable Dye Transfer Sheets", Preprints for the 61st Study and Discussion Meeting of the Society of Electrophotography, pp. 266-269.
Patent Abstracts of Japan, vol. 11, No. 168 (M-594)[2615], 5/29/87 for JP-A-62 1582 and JP-A-62 1574.

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