Abstract: In the field of papermaking and more particularly a method for producing paper impregnated with a molecule of interest, particularly colored paper, and the associated product, i.e. impregnated paper, there is a disclosed a method implementing a supercritical-pressure fluid. Such paper, particularly colored paper, obtained from a formulation of paper pulp or paper including latex, does not bleed when it comes into contact with water.

Abstract: The invention relates to a method to embed a label essentially consisting of a paper substrate carrying electronic inks and/or a printed electronic circuit and/or device (thereby achieving a paper-based electronic circuit) directly into a moulded plastic piece (also designated as plastic object), the embedding of the paper-based electronic circuit and the production of the plastic piece being performed in a single operation. The invention thus also relates to a method to manufacture plastic objects embedding such label. The invention also concerns a plastic object encompassing a label essentially consisting of a paper substrate carrying electronic inks and/or a printed electronic circuit and/or device (thereby achieving a paper-based electronic circuit) embedded in the moulded plastic and in particular an object obtained by the method disclosed to prepare a moulded plastic piece.

Abstract: The invention provides an analysis plate (10) including at least one analysis zone for receiving a sample to be analyzed by mass spectrometry using the MALDI-TOF technique, the plate being of the type having at least one test face (12) with at least one analysis zone defined thereon and of the type in which the plate includes a support (18) that is plane, the plate being characterized in that the support (18) comprises at least one sheet (20) of paper material comprising cellulose fibers, and in that the analysis plate (10) includes at least one ply (24) of metal material.

Abstract: A device for the culturing and/or isolation and/or detection and/or identification and/or counting of at least one target microorganism in a sample liable to contain it, which includes a support and a nutrient medium; the support including: a hydrophilic fibrous substrate, at least one porous layer in contact with one of the faces of the fibrous substrate, including a pigment or a mixture of pigments and at least one binder, the pigment having a size of less than 5 ?m and the amount of the pigment or the mixture of pigments being between 50 and 97% by dry weight, with respect to the dry weight of the porous layer; the nutrient medium being included in the fibrous substrate. Also relates to the use and to the process for the manufacture of the device.

Abstract: The method for producing a electroconductive sheet having a substrate, in particular made of paper, and an electroconductive layer include the steps of: a/ preparing a multi-layer structure with an anti-adhesive coating inserted between a plastic film and a base layer, b/ cross-laminating the multi-layer structure and the substrate, and c/ removing the plastic film and the anti-adhesive coating from the base layer. The base layer is a layer of an electroconductive material or is covered with an electroconductive layer by an additional step consisting of: d1/ depositing an electroconductive film on the base layer; or d2/ printing the base layer with at least one ink having electrical properties, with the base layer being a printable layer with a binder base of which the rate is 15% greater in dry weight in relation to the total dry matter weight of this layer.

Abstract: A device for the culturing and/or isolation and/or detection and/or identification and/or counting of at least one target microorganism in a sample liable to contain it, which includes a support and a nutrient medium; the support including: a hydrophilic fibrous substrate, at least one porous layer in contact with one of the faces of the fibrous substrate, including a pigment or a mixture of pigments and at least one binder, the pigment having a size of less than 5 ?m and the amount of the pigment or the mixture of pigments being between 50 and 97% by dry weight, with respect to the dry weight of the porous layer; the nutrient medium being included in the fibrous substrate. Also relates to the use and to the process for the manufacture of the device.

Abstract: The invention relates to paper comprising a fibrous substrate having at least one face covered with at least one layer, said layer comprising or consisting of: 100 parts in dry weight of pigments; between 5 and 50 parts in dry weight of at least one binder resistant to exposure and temperatures of between 140° C. and 200° C. and having a glass transition temperature lower than 20° C., especially of at least one binder of the acrylic type having a glass transition temperature lower than or equal to 20° C., preferably lower than or equal to 10° C.; and between 0 and 15 parts in dry weight of a thickening agent, such as polyvinyl alcohol.

Abstract: A method of fabricating a smooth or ultra-smooth printable sheet, the method comprising the steps consisting in: preparing a multilayer structure (12) having at least one bottom plastics film (14), one anti-adhesive intermediate layer (16), and one printable top layer (18), pasting one face (30) of a substrate (24) or the top face (28) of the printable layer, and applying the substrate onto the printable layer in order to laminate them together, then withdrawing the plastics film from the printable layer, the printable layer (18) defining a smooth or ultra-smooth face (22) on the sheet.

Abstract: The method for producing a electroconductive sheet having a substrate, in particular made of paper, and an electroconductive layer include the steps of: a/ preparing a multi-layer structure with an anti-adhesive coating inserted between a plastic film and a base layer, b/ cross-laminating the multi-layer structure and the substrate, and c/ removing the plastic film and the anti-adhesive coating from the base layer. The base layer is a layer of an electroconductive material or is covered with an electroconductive layer by an additional step consisting of: d1/ depositing an electroconductive film on the base layer; or d2/ printing the base layer with at least one ink having electrical properties, with the base layer being a printable layer with a binder base of which the rate is 15% greater in dry weight in relation to the total dry matter weight of this layer.

Abstract: The invention concerns a coated white sheet having a fluorescence intensity of more than 55, measured in accordance with international standard ISO 11475: 2004, by the difference between the value for the CIE whiteness under D65 illuminant and the value for this same CIE whiteness after interposing a filter that eliminates wavelengths shorter than 420 nm, and being offset-printable with no mottling, said coated sheet comprising at least one base sheet and a printable white surface coat having a pigmented composition which comprises: —at least some white coating pigments and at least one coating binder; —at least one fluorescent whitening agent in a total quantity of 1% dry weight or more with respect to the dry weight of said pigments; —at least one support substance for said whitening agent in a total quantity of dry weight of more than 2% with respect to the dry weight of said pigments. The invention also concerns a method for producing said coated sheet by curtain coating said pigmented composition.

Abstract: The present invention relates to a sheet having a rough surface feel on at least one of its sides, said sheet being coated on one or both sides with a layer comprising incompressible particles that are not flat and not very angular. It also relates to the process for manufacturing said sheet and to its use as a paper or plastic printing medium, a paper or plastic package, a cover intended for bookbinding, or a board or plastic box.

Abstract: A method of fabricating a smooth or ultra-smooth printable sheet, the method comprising the steps consisting in: preparing a multilayer structure (12) having at least one bottom plastics film (14), one anti-adhesive intermediate layer (16), and one printable top layer (18), pasting one face (30) of a substrate (24) or the top face (28) of the printable layer, and applying the substrate onto the printable layer in order to laminate them together, then withdrawing the plastics film from the printable layer, the printable layer (18) defining a smooth or ultra-smooth face (22) on the sheet.

Abstract: Fine matt writing and/or printing paper, in particular for offset printing, including on at least one of its faces a coating that comprises pigments and a binder, the pigments comprising silica with particles having a mean diameter greater than or equal to 3 ?m, and with the quantity that is deposited per unit area of the coating being greater than 0.4 g/m2 and less than 1.5 g/m2 or in which the quantity of silica is alternatively or in combination greater than 6% and less than 15%, and in particular less than 10% by dry weight relative to the total dry weight of the coating, the paper having on said face a degree of gloss before printing that is less than 3.5% as measured at 75° using the Tappi®T480 standard.

Abstract: A magnetically-activatable sheet product is provided comprising a pair of laminated outer sheets at least one of which is provided with a pigment/binder primer coat on its inward facing surface, between which is a magnetic layer comprising magnetically-activatable particles in a binder matrix, the outer sheets having sufficient opacity to mask the appearance of the magnetic layer.

Abstract: The invention relates to a multilayer printable sheet, including a bottom support layer, an intermediate metal layer and a top layer made of transparent or translucent plastic material, a top surface of said layer of plastic material being covered with a coating layer made of a transparent or translucent matte varnish with a soft or silky touch.

Abstract: The invention provides a method for the manufacture of a sheet product comprising a substrate having a coating of an adhesion promoter, which comprises applying to said substrate a solution or suspension of an adhesion promoter comprising a polymer bearing carboxylic acid, salt, amide and/or ester groups, said solution or suspension also comprising an indicator material which is colourless under the conditions of application of said solution or suspension to said substrate but which generates visible colouration upon the application of suitable chemical means. The method may be used as part of a quality control method for monitoring the application of a coating of an adhesion promoter to a substrate. The resulting sheets are novel.

Abstract: The invention relates to a curtain coating process for coating substrates with a stable curtain and a uniform coating at low flow rates wherein a free-falling curtain of an aqueous composition comprising a high solids content is coated onto the moving substrate at a flow rate per unit die length value (Q) equal to or inferior to 10?4 m3/(s·m), the said high solids content composition comprising a polymeric rheology modifier and a non-ionic surfactant. The invention relates in particular to a curtain coating process for coating fibrous substrates such as paper or board. The invention also relates to a coated product.

Abstract: The invention relates to a sticky document. The document comprises an adhesive layer and at least one covering layer covering the adhesive layer, the covering layer incorporating a radiofrequency identification device, and at least a portion of the identification device being linked to the document with a force of cohesion that is weak enough to ensure that once the document has been stuck onto backing, and in the event of the document being unstuck, at least a portion of the identification device remains secured to the backing.

Abstract: The invention relates to a multilayer structure such as a cover paper for a booklet, in particular a passport. The structure includes a radiofrequency identification device having a chip which is received in the thickness of the multilayer structure without generating extra thickness, the materials constituting the various layers of the multilayer structure are selected, as are the thicknesses of said layers, in such a manner that the cover withstands mechanical and thermal shocks, and in particular is capable of being subjected to graining treatment, and/or to decoration treatment by depositing a film by hot transfer under pressure, and/or to lamination treatment while depositing security films.

Abstract: The invention concerns a coated white sheet having a fluorescence intensity of more than 55, measured in accordance with international standard ISO 11475: 2004, by the difference between the value for the CIE whiteness under D65 illuminant and the value for this same CIE whiteness after interposing a filter that eliminates wavelengths shorter than 420 nm, and being offset-printable with no mottling, said coated sheet comprising at least one base sheet and a printable white surface coat having a pigmented composition which comprises: —at least some white coating pigments and at least one coating binder; —at least one fluorescent whitening agent in a total quantity of 1% dry weight or more with respect to the dry weight of said pigments; —at least one support substance for said whitening agent in a total quantity of dry weight of more than 2% with respect to the dry weight of said pigments. The invention also concerns a method for producing said coated sheet by curtain coating said pigmented composition.