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Heat-transfer-sheet

Ink composition for jet printing onto non-absorbent surfaces

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Cyanine dye based high saturation sympathetic ink having time delayed disappearance

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Certain 2-pyridylamino-3-thiophene carboxylic acid derivatives

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Self-extinguishing polymers

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Ink for the ink jet process

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Tape stop detecting mechanism

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Ink ejection head for printer

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Pump for pumping liquid in a pulse-free flow

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Heat transfer sheet

Details

Inventors: Kanto, Jumpei; Eguchi, Hiroshi;
Assignee: Dai Nippon Insatsu Kabushiki Kaisha (JP)
Primary Examiner: Schwartz; Pamela R.
Assistant Examiner:
Attorney, Agent or Firm: Arnold, White & Durkee

A heat transfer sheet, comprising a base film and a dye layer formed on the base film, characterized in that an adhesive layer comprising an organic titanate is provided between said base film and said dye layer.

DETAILED DESCRIPTION An object of the present invention is to provide a heat transfer sheet which can give high image density without occurrence of peel-off of the dye layer during transfer and yet with good heat efficiency.
The present inventors have studied intensively in order to respond to the demand in the prior art as described above, and consequently found that the problems in the prior art as described above can be solved by forming an adhesive layer comprising a specific material between the base film and the dye layer to accomplish the present invention More specifically, the present invention is a heat transfer sheet comprising a base film and a dye layer, characterized in that an adhesive layer comprising an organic titanate is provided between the base film and the dye layer.
In the heat transfer sheet of the present invention, by providing an adhesive layer comprising an organic titanate between the base film and the dye layer, peel-off of the dye layer during transfer can be prevented, and also the above adhesive layer may be very thin, whereby both heat efficiency of thermal head and printing density will not be lowered.

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