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Intermediate transfer recording medium and method for image formation using the same
| Details |
Inventors: Odamura, Kozo; Oshima, Katsuyuki; Imai, Takayuki; Kometani, Shinji; Yamazaki, Masayasu;
Assignee: Dai Nippon Printing Co., Ltd. (JP)
Primary Examiner: Schilling; Richard L.
Assistant Examiner:
Attorney, Agent or Firm: Parkhurst & Wendel, L.L.P.
The present invention relates to a method for image formation using an intermediate transfer recording medium. An object of the present invention is to provide an intermediate transfer recording medium and a method for image formation which can yield a thermally transferred image possessing excellent various fastness properties even under severe service conditions, can transfer a protective layer onto an image on the object without transfer failure in an accurate and simple manner, and, in addition, can yield a highly lightfast image which is not deteriorated upon exposure to ultraviolet light. The intermediate transfer recording medium comprises: a sheet substrate provided with a resin layer; and a transparent sheet provided with a receptive layer, the sheet substrate provided with the resin layer having been put on top of the transparent sheet provided with the receptive layer so that the transfer sheet faces the resin layer. The transparent sheet including the receptive layer has been half cut, and the peel force necessary for separating the transparent sheet portion including the receptive layer from the resin layer to transfer the transparent sheet including the receptive layer onto an object is in the range of 5 to 100 gf/inch as measured by the 180-degree peel method according to JIS Z 0237. |
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DETAILED DESCRIPTION Accordingly, in order to solve the above problems of the prior art, it is an object of the present invention to provide an intermediate transfer recording medium and a method for image formation using the same which, by virtue of the formation of a protective layer on an image, can yield a thermally transferred image possessing excellent various fastness properties even under severe service conditions, can transfer a protective layer onto an image on the object without transfer failure in an accurate and simple manner, and, in addition, can yield a highly lightfast image which is not deteriorated upon exposure to ultraviolet light.
Thus, the present invention provides an intermediate transfer recording medium comprising: a sheet substrate provided with a resin layer; and a transparent sheet provided with a receptive layer, the sheet substrate provided with the resin layer having been put on top of the transparent sheet provided with the receptive layer so that the transparent sheet faces the resin layer, the transparent sheet including the receptive layer having been half cut, the peel force necessary for separating the transparent sheet portion including the receptive layer from the resin layer to transfer the transparent sheet including the receptive layer onto an object being in the range of 5 to 100 gf/inch as measured by the 180-degree peel method according to JIS Z 0237.
The formation of a protective layer (a transparent sheet), on the image, using this intermediate transfer recording medium can yield a thermally transferred image which possesses excellent various fastness properties even under severe service conditions.
Further, since the transparent sheet has been half cut, the image can be simply transferred onto an object with high accuracy.
Further, when the peel force necessary for separating the transparent sheet portion from the sheet substrate provided with the resin layer is regulated so as to fall within the above-defined range, the protective layer can be simply transferred onto the image on the object with high accuracy and without transfer failure
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Molecular Biology 
