COVER FILM FOR SUBLIMATION TRANSFER PROCESS HARD COPY

Title:

COVER FILM FOR SUBLIMATION TRANSFER PROCESS HARD COPY

Document Type and Number:

WIPO Patent Application WO/1984/001745

Kind Code:

A1

Abstract:

Cover film to be welded on the surface of a hard copy print paperhaving thereon an image formed by selective transfer of sublimable dye, which cover film contains a layer comprising mainly a compound of metal selected from among Al, Mg, Ca, and Sn and a resin. This cover film controls coloration of a red dye arbitrarily to blue side to form a magenta color with high saturation and serves to protect the surface of the print paper. Another cover film containing a layer mainly comprising a fluorescent brightening agent and a resin is also disclosed, which increases whiteness of non-colored areas to make the image distinct and prevents fading of the dye.

Inventors:

KOBAYASHI NAOTAKE (JP)
ABE TETSUYA (JP)
SHINOHARA SATORU (JP)
FUJIWARA YOSHIO (JP)

Application Number:

PCT/JP1983/000374

Publication Date:

May 10, 1984

Filing Date:

October 25, 1983

Export Citation:

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Assignee:

SONY CORP (JP)

International Classes:

B41M7/00; (IPC1-7): B41M5/26

Foreign References:

JPS5479641A	1979-06-25
JPS52150116A	1977-12-13

Other References: