Transfer foil for use in electrostatographic printing

Stock material or miscellaneous articles – Structurally defined web or sheet – Including components having same physical characteristic in...

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428327, 428484, B32B 702

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active

061564168

ABSTRACT:
A transfer foil comprising a support with a thickness equal to or lower than 75 .mu.m and, directly adjacent to the support, an image receiving layer with a polymeric binder and having thickness d, a cohesive force F.sub.coh and adhering to the support with a force F.sub.rel characterised in that F.sub.rel >F.sub.coh. Preferably between the support and the image receiving layer a release layer is present.
The cohesive force of the image receiving layer is controlled by adding a "promotor for cohesive break" to the layer. Such a promotor is selected from the group consisting of spacing particles with an average volume diameter d.sub.v50 >0.9d, waxes, polymers, different from the polymeric binder and cross-linking agents for the polymeric binder.

REFERENCES:
patent: 4064285 (1977-12-01), Mammino
patent: 4066802 (1978-01-01), Clemens
patent: 4216283 (1980-08-01), Cooper et al.
patent: 5501902 (1996-03-01), Kronzer
patent: 5811371 (1998-09-01), Egashira et al.
Derwent Publication, Section Ch, Week 8447, AN 84-284637 XP002062456 & JP 59 174 680 A (Fuji Xerox, Oct. 3, 1984, Abstract.

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