Thermal transfer protective sheets, prints, as well as...

Details Thermal transfer protective sheets, prints, as well as... Thermal transfer protective sheets, prints, as well as...

2007-05-01

2007-05-01

Hess, Bruce (Department: 1774)

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

C428S032810

Reexamination Certificate

active

11419613

ABSTRACT:
A thermal transfer protective sheet, a print, and a print with a window member are provided. The thermal transfer protective sheet includes a release layer and a topcoat layer having adhesiveness to an object to be transferred, which are stacked in this order on a base material, wherein the release layer and the topcoat layer are cold-peeled and transferred to the surface of the object to be transferred by the fusion thermal transfer recording method. The release layer comprises a first resin consisting of a thermoplastic resin and a second resin incompatible with the first resin in a mixed state. The first resin is an acrylic resin, and the second resin is a thermoplastic resin having a glass transition point of 50° C. or less. The mixing ratio of the first resin to the second resin is 80:20 or more and 99:1 or less in a weight ratio. In the release layer, the second resin exists as a particulate phase in the first resin, thereby inhibiting fusion between the base material and the release layer even if cooling is insufficient during peeling.

REFERENCES:
patent: 5250133 (1993-10-01), Kawamura et al.
patent: 5646089 (1997-07-01), Oshima et al.
patent: 04-142987 (1992-05-01), None
patent: 2002-002126 (2002-01-01), None
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patent: 2003-211841 (2003-07-01), None
patent: 2003-127558 (2003-08-01), None
patent: 2004-205827 (2004-07-01), None

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