Agfa Gevaert Nv

Agfa-Gevaert

Agfa Healthcare

Carlo A Uyttendaele

Ivan Hoogmartens

Luc H Leenders

Herman J Uytterhoeven

Ingrid E Geuens

Bartholomeus Cyriel Horsten

Johan August Loccufier

Frank Louwet

Wolfgang Podszun

Paul Leblans

Guy Denis Jansen

Huub Van Aert

Leo Oelbrandt

Bart Waumans

Jan Gilleir

Bart Aerts

Ronald Schuerwegen

Roland F Beels

Robert Cyriel Van Haute

Serge M Tavernier

Geert H Defieuw

David R Terrell

Hubertus Van Aert

Jean-Pierre D Tahon

Yvan K Gilliams

Rene M De Keyzer

Rita Torfs

Jan A Van Den Bogaert

Yvan Hoogmartens

Geert Vercruysse

Herman J Remmerie

Hanne Verwaest

Werner O De Beeck

A backsheet for a photovoltaic module includes a support, an adhesive layer provided on one side of the support, and an outer layer provided on the other side of the support, characterized in that at least one of the adhesive layer and the outer layer is coated from an aqueous composition, and the aqueous composition includes a water soluble or dispersible binder and a water dispersible core/shell polyisocyanate.

Backsheet for a solar cell module

A security film including, in order, a transparent biaxially oriented polyethylene terephthalate support (), a subbing layer () and a laser markable layer () comprising a laser additive and one or more polymers selected from the group consisting of polystyrene, polycarbonate and styrene acrylonitrile.

Laser markable security film

A security film including a support () and a laser markable layer (), wherein the laser markable layer includes i) a laser additive; ii) a polymer selected from the group consisting of polystyrene, polycarbonate and styrene acrylonitrile; iii) an initiator; and iv) at least 15 wt % of radiation curable compound based on the total dry weight of the laser markable layer, wherein the radiation curable compound has a viscosity of less than 100 mPa&#xb7;s at 25&#xb0; C. and at a shear rate of 100 s. A security document and a method for preparing the security film are also disclosed.

In favor of adhesion between phosphor layer and support in a radiation image phosphor or scintillator panel comprising as an arrangement of layers, in consecutive order, a support, a precoat layer and a phosphor or scintillator layer having needle-shaped phosphor or scintillator crystals, said precoat layer comprises as a binder an organic cross-linkable monomer, oligomer, polymer or a mixture thereof and a pigment in a weight ratio of pigment to binder in the range from 1/10 to 10/1.

Radiation image phosphor or scintillator panel

A substantially light-insensitive monosheet thermographic recording material comprising a support and on one side of the support a thermosensitive element, the thermosensitive element comprising at least one substantially light-insensitive silver salt of a carboxylic acid, at least one reducing agent therefor in thermal working relationship therewith and at least one binder, the at least one binder comprising at least one first polymer consisting of vinyl aceto-acetal monomer units and optionally monomer units selected from the group consisting of vinyl alcohol, vinyl acetate and itaconic acid monomer units, wherein the weight ratio of the at least one binder to the light-insensitive silver salt(s) of a carboxylic acid in the thermosensitive element is greater than 1.6; and the at least one binder optionally contains less than 40% by weight of a second polymer consisting of vinyl butyral monomer units and optionally vinyl alcohol and/or vinyl acetate monomer units.

Binders for use in the thermosensitive elements of substantially light-insensitive thermographic recording materials

A thermographic recording material comprising a support and a thermosensitive element, the thermosensitive element comprising at least one substantially light-insensitive organic silver salt, at least one organic reducing agent therefor in thermal working relationship therewith, at least one binder and at least one toning agent represented by formula (I): wherein X represents the optionally substituted atoms necessary to form a 6-membered ring.

Toning agents for use in thermographic recording materials

A substantially light-insensitive black and white monosheet thermographic recording material comprising a support and a thermosensitive element, the thermosensitive element containing a substantially light-insensitive organic silver salt, an organic reducing agent therefor in thermal working relationship therewith, a binder and at least one stabilizer selected from the group consisting of 1-phenyl-5-mercaptotetrazole compounds in which the phenyl group is substituted with a substituent containing an optionally substituted aryl group; and

Stabilizers for use in substantially light-insensitive thermographic recording materials

Thermographic recording material with improved image tone

A substantially light-insensitive monosheet recording material comprising a support and a thermosensitive element containing a substantially light-insensitive organic silver salt, an organic reducing agent therefor in thermal working relationship therewith and a binder, wherein the thermosensitive element further contains an unsaturated carbocyclic or heterocyclic stabilizer compound substituted with a &mdash;SA group where A is hydrogen, a counterion to compensate the negative charge of the thiolate group or a group forming a symmetrical or an asymmetrical disulfide and the recording material is capable of producing prints with a numerical gradation value defined as the quotient of the fraction (2.5-0.1)/(E -E ) greater than 2.3 , where E is the energy in Joule applied in a dot area of 87 &mgr;m&times;87 &mgr;m of the imaging layer that produces an optical density value of 2.5, and E is the energy in Joule applied in a dot area of the imaging layer material that produces an optical density value of 0.1.

Substantially light-insensitive thermographic recording material with improved stability and image-tone

A substantially light-insensitive thermographic recording material substantially exclusive of cationic surfactants in which at least one non-cationic surfactant is present, the thermographic recording material comprising a support and a thermosensitive element containing a substantially light-insensitive organic silver salt, a reducing agent therefor in thermal working relationship therewith and a binder, wherein all the non-cationic surfactants present in the thermographic recording material together have a non-fluoro-halide ion concentration of 1500 ppm or less; and a process for the production thereof.

Substantially light-insensitive thermographic recording materials with improved stability

A substantially light-insensitive black and white thermographic material including a support and a thermosensitive element, containing a substantially light-insensitive organic silver salt, a reducing agent therefor in thermal working relationship therewith and a binder, wherein the binder is a water-dispersible film-forming polymer with covalently bonded moieties with one or more acid groups or anhydrides thereof and the thermographic material is thermally developable under substantially water-free conditions; and a process for producing the substantially light-insensitive black and white thermographic material comprising the steps of: producing an aqueous dispersion of the substantially light-insensitive organic silver salt; producing one or more aqueous coating compositions containing together the aqueous dispersion of the substantially light-insensitive organic silver salt, the reducing agent and the binder; and applying the one or more aqueous coating compositions to the support thereby forming after drying the thermosensitive element.

Binders for thermographic materials

A substantially light-insensitive black and white thermographic material comprising a polymeric or polymer-coated support, a subbing layer on the support and on the same side of the support as the subbing layer a thermosensitive element containing a substantially light-insensitive organic silver salt, a reducing agent therefor in thermal working relationship therewith and a binder, wherein the subbing layer contains a binder, less than 20% by weight of silica and covalently bonded acid groups in the binder, if present, are either substantially present as free acid or substantially present as acid salts and has a leachable non-fluoro-halide ion content into water at room temperature over a period of 120 minutes of less than 0.6 mg/m,; and a process for producing the substantially light-insensitive thermographic material comprising the steps of: coating the support with a subbing layer-composition thereby forming the subbing layer; producing one or more aqueous coating compositions together containing the substantially light-insensitive organic silver salt, the reducing agent and the binder; and applying the one or more aqueous coating compositions to the same side of the support as the subbing layer thereby forming after drying the thermosensitive element.

Subbing layers for use with thermographic materials

A thermographic recording material comprising a support and a thermosensitive element containing a substantially light-insensitive silver salt of an organic carboxylic acid, a reducing agent therefor in thermal working relationship therewith and at least one proteinaceous binder, wherein the thermosensitive element contains between 700 ppm and 5 ppm of a non-fluoro-halide ion with respect to the proteinaceous binders in the thermosensitive element and the thermographic recording material is thermally developable under substantially water-free conditions; and a process for the production thereof.

Substantially thermographic recording materials with improved stability

A (photo)thermographic recording material according to the present invention comprising a thermosensitive element contains a substantially light-insensitive organic silver salt, a reducing agent therefor in thermal working relationship therewith and a binder (and optionally further including photosensitive silver halide), wherein the (photo)thermographic recording material is exclusive of polypyrrole/poly(styrene sulfonic acid) in an electrically-conductive layer and further contains a compound represented by formula (I) or a reaction product thereof with a polymer having active hydrogen atoms: ##STR1## where R.sup.1 and R.sup.3 independently represent hydrogen, a hydroxyalkyl group, an alkoxyalkyl group, an alkyl group, a --(C.dbd.O)R.sup.5 group or an alkenyl group; and R.sup.2 and R.sup.4 independently represent a hydroxyalkyl group, an alkoxyalkyl group, an alkyl group, a --(C.dbd.O)R.sup.5 group or an alkenyl group; or R.sup.1 and R.sup.2 together and R.sup.3 and R.sup.4 together independently represent the atoms needed to close a carbocyclic or heterocyclic ring; R.sup.5 represents an aryl, a substituted aryl, an alkyl or a substituted alkyl group; and Z represents the atoms needed to complete a 5 ring-atom or 6 ring-atom hetero-aromatic ring; and a production process therefor.

Growing community of inventors

Mortsel, Belgium

Carlo A Uyttendaele