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New Thermal Offset Printing Employing Dye Transfer Technology (Tandem TOP-D)

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In this paper, we describe the development of a tandemtype new thermal offset printing technology that enables reproduction of high speed and high quality full color images on a pulp-based paper (e.g. ppc, re-cycled ppc paper, RC paper, etc.), employing a newly developed thermal transfer engine, and print media including an acceptor layer sheet, ink sheet, and an intermediate belt.

The process consists of three steps:

(1) acceptor layer (AL) formation from the AL sheet onto an intermediate belt;

(2) dye transfer printing with dye sheets into the AL on the belt; and

(3) transfer from the dyed AL onto a sheet of paper.

The print head for the AL formation and three heads for dye transfer printing are separately located outside the belt along a large drum.

The head for the dyed AL transfer is installed inside the belt. The new acceptor layer (AL) of the AL sheet, which has a heat-resistant sliding layer on the back side of the sheet, is arranged on a releasing layer (RL) on the base sheet, separately from the ink sheets including sublimation dye layers and back coat layers.

This report describes studies of the basic print engine and print method on pulp-based papers for full color images, and the specially prepared AL sheet, ink sheets and the intermediate belt. More detailed results are given below of the relationship between the materials' properties and the AL formation and transfer mechanism, release strength between the AL and the other interfaces, print density characteristics, and color fastness properties.
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Document Type: Research Article

Publication date: 2001-01-01

More about this publication?
  • For more than 30 years, IS&T's series of digital printing conferences have been the leading forum for discussion of advances and new directions in 2D and 3D printing technologies. A comprehensive, industry-wide conference that brings together industry and academia, this meeting includes all aspects of the hardware, materials, software, images, and applications associated with digital printing systems?particularly those involved with additive manufacturing and fabrication?including bio-printing, printed electronics, page-wide, drop-on-demand, desktop and continuous ink jet, toner-based systems, and production digital printing, as well as the engineering capability, optimization, and science involved in these fields. In 2016, the conference changed its name formally to Printing for Fabrication to better reflect the content of the meeting and the evolving technology of printing.

    Please note: For purposes of its Digital Library content, IS&T defines Open Access as papers that will be downloadable in their entirety for free in perpetuity. Copyright restrictions on papers vary; see individual paper for details.

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