Agfa Gevaert Nv

Agfa-gevaert

Luc A Van Steen

Geert H Defieuw

Emiel A Verdonck

Johan August Loccufier

Eddie R Daems

Etienne A Van Thillo

August M Marien

Werner J Op De Beeck

Marc Godfried Mannens

Eric Mostaert

A substantially light-insensitive monosheet thermographic recording material comprising a support and on one side of said support a thermosensitive element, wherein said thermographic recording material contains at least one compound represented by formula (I): wherein M is hydrogen, an alkali atom or an ammonium group; Ris an alkyl, alkenyl-, alkynyl-, thioalkyl-, thioalkenyl- or thioalkynyl-group in which the alkyl-, alkenyl- or alkynyl-group has 6 to 25 carbon atoms; X is &#x2014;O&#x2014;, &#x2014;S&#x2014; or &#x2014;N(R)&#x2014;; and Ris hydrogen, a &#x2014;(CH)SOM group or a group; and m is an integer between 1 and 5.

Surfactants for use in substantially light-insensitive thermographic recording materials

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 &gt;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 &gt;0.9d, waxes, polymers, different from the polymeric binder and cross-linking agents for the polymeric binder.

Transfer foil for use in electrostatographic printing

The present invention discloses a dye-donor element for use according to dye diffusion thermal transfer printing comprising on one side of a support a heat-resistant layer and on a side of the support opposite thereto a donor layer comprising a dye, a binder and a surfactant, said surfactant being a copolymer corresponding to the general formula (I) ##STR1## wherein R.sup.1, R.sup.2 and R.sup.3 each independently represent an alkyl group R.sup.4 represents an aralkyl group m and n represent the molar fractions of the respective units in the copolymer and have a value of 0.01 to 0.99 with the provision that the sum of m and n equals 1.

Dye donor element for use in thermal dye transfer printing

The present invention provides a dye-donor element for use according to thermal dye transfer methods comprising a support having on the front side a dye layer containing a thermally transferable dye and on the back side (i) a heat-resistant layer comprising a binder and (ii) optionally a topcoat layer, said heat-resistant layer and/or said topcoat layer comprising a polysiloxane based lubricant and wherein at least one layer on said back side comprises a salt of a fatty acid.

Dye-donor element for use in a thermal dye transfer process

The present invention provides a method for making an image comprising the steps of:

Thermal dye diffusion transfer method and dye donor element for use

Dye-receiving element for thermal dye sublimation transfer comprising a support having on one side a dye-receiving layer and, optionally on the other side a backcoat layer, the support carrying on at least one side a subbing layer comprising a copolyester formed by polycondensation of at least one aromatic dicarboxylic acid and at least one aliphatic diol, wherein the copolyester further comprises at least one comohomer having at least one sulfonate group in the acid form, alkalimetal salt form, and mixtures thereof.

Dye-receiving element for thermal dye sublimation

Dye-donor element for use according to thermal dye sublimation transfer comprising a support having on one side a dye layer and on the other side a heat-resistant layer, characterized in that said heat-resistant layer comprises a polycarbonate derived from a bis-(hydroxyphenyl)-cycloalkane (diphenol) corresponding to formula (I) ##STR1## wherein: R.sup.1 and R.sup.2 (same or different) represent hydrogen, halogen, a C.sub.1 -C.sub.8 alkyl group, a C.sub.5 -C.sub.6 cycloalkyl group, a C.sub.6 -C.sub.10 aryl group or a C.sub.7 -C.sub.12 aralkyl group; X represents the necessary atoms to close a 5- to 8-membered cycloaliphatic ring which is substituted with one or more C.sub.1 -C.sub.6 alkyl groups or 5- or 6-membered cycloalkyl groups or carries fused-on 5- or 6-membered cycloalkyl groups.

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Antwerp, Belgium

Luc A Van Steen