Radiation imagery chemistry: process – composition – or product th – Imaged product – Multilayer
Patent
1989-11-06
1993-11-02
Bowers, Jr., Charles L.
Radiation imagery chemistry: process, composition, or product th
Imaged product
Multilayer
430143, 430200, 430357, 430432, 430950, 430961, 156230, 156249, G03F 711
Patent
active
052582477
ABSTRACT:
A photoimaged article having a protected image composed of a colored image on a support; and a thin, transparent, flexible, nonself supporting, protective layer on the surface of the image. The layer is substantially nontacky at room temperature, and has at least a major amount based on the weight of the layer of one or more thermoplastic resins of a vinyl acetal, vinyl chloride, or acrylic polymer or copolymer having a Tg of from about 35.degree. C. to about 110.degree. C. The layer is capable of being adhesively transferred directly to the image when the layer is first applied on the release surface of a temporary support, and the image and protective layer are laminated together under pressure at temperatures of between about 60.degree. C. to about 180.degree. C. with subsequent removal of the temporary support. The side of said layer opposite to the image is free from additional layers. The adhesive layer is one which does not cohesively block at temperatures of about 50.degree. C. or less.
REFERENCES:
patent: 4060441 (1977-11-01), Ohta et al.
patent: 4378392 (1983-03-01), Jegel
patent: 4522881 (1985-06-01), Kobayashi et al.
patent: 4719169 (1988-01-01), Platzer et al.
patent: 4999266 (1991-03-01), Platzer et al.
Bowers Jr. Charles L.
Hoechst Celanese Corporation
Kalyanaraman Palaiyur S.
Roberts Richard S.
Sayko Jr. Andrew F.
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