Abstract

The invention relates to inkjet media comprising a substrate layer, a drainage layer wherein the drainage layer comprises a plurality of silicon oxide particles, and a permeation layer which is at least partially superimposed to the drainage layer (3), wherein the contact angle between the permeation layer (6) and an organic solvents, such as diethylene glycol mono-n-butyl ether is 30° or less. The invention also relates to a process for preparing inkjet media, to an inkjet medium obtainable by said process, to a method for applying a liquid phase onto an inkjet medium, and to a printed article which comprises an inkjet medium. The inkjet media of the invention are particularly suited to be printed with solvent-based inks.

IPC Classes  ?

• B41M 5/50 - Recording sheets characterised by the coating used to improve ink, dye or pigment receptivity, e.g. for ink-jet or thermal dye transfer recording
• B41M 5/52 - Macromolecular coatings

Abstract

The invention relates to azo dyes of desulfo-K-acid [CA: 35400-55-6], their salts, a method for the preparation of these dyes, or salts thereof, a liquid phase comprising at least one of these dyes, a method for applying the liquid phase on a substrate, a printed matter and the use of these dyes in water-based inks for inkjet printing, in writing utensil or dyeing solutions for manufacturing color filters for optical and opto-electronic applications.

IPC Classes  ?

• C09B 29/30 - Amino naphtholsulfonic acid
• C09B 31/08 - Disazo dyes from a coupling component "C" containing directive hydroxy and amino groups
• C09B 33/10 - Disazo dyes in which the coupling component is a hydroxy-amino compound in which the coupling component is an amino naphthol
• C09B 33/22 - Trisazo dyes of the type A → B → K ← C
• C09B 33/28 - Tetrazo dyes of the type A → B → K ← C ← D
• C09B 35/039 - Disazo dyes characterised by the tetrazo component
• C09B 35/215 - Disazo dyes characterised by the tetrazo component the tetrazo component being a derivative of a diaryl- or triaryl-alkane or -alkene of diarylethane or diarylethene
• C09B 35/24 - Disazo dyes characterised by the tetrazo component the tetrazo component being a derivative of a diaryl amine
• C09B 35/28 - Disazo dyes characterised by the tetrazo component the tetrazo component containing two aryl nuclei linked by at least one of the groups —CON, —SO2N, —SO2—, or —SO2O—
• C09D 11/00 - Inks

Abstract

The invention relates to a layer structure comprising a substrate layer and a layer, which comprises a plurality of silicon oxide particles, wherein said silicon oxide particles have a positively charged surface (a PCS layer), which PCS layer is at least partially superimposed to the substrate layer and wherein the refractive index of the PCS layer is less than 1.2, a process for preparing the layer structure having a substrate and a PCS layer, a layer structure obtainable by the process, an optical device comprising the layer structure and the use of a PCS layer.

IPC Classes  ?

• C23C 18/12 - Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coatingContact plating by thermal decomposition characterised by the deposition of inorganic material other than metallic material

Abstract

The invention relates to a layer structure comprising a biodegradable substrate layer and a further layer connected to the substrate layer comprising a plurality of silicon oxide particles, a process for preparing such a layered structure and the layered structure obtainable by this process, a sheet, a film, a packaging material, a display material, or an inkjet recording material comprising at least one of the aforementioned layer structures, and the use of a silicon dioxide layer for smoothing the surface of a layer comprising at least one biodegradable polymer.

IPC Classes  ?

• B32B 7/00 - Layered products characterised by the relation between layers Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties Layered products characterised by the interconnection of layers
• B41M 5/00 - Duplicating or marking methodsSheet materials for use therein
• C09C 1/30 - Silicic acid
• C09D 7/12 - Other additives

Abstract

Black disazo dyes of general formula (V) A is a moiety of formula (VI) or of formula (VII) B is a moiety of formula (VII) or of formula (IX) 24, are as defined in the specification, are excellent black dyes for dying and printing cellulose containing materials and textile materials and, in particular, for preparation of recording liquids for ink jet printing and for writing utensils.

IPC Classes  ?

• C09D 11/02 - Printing inks
• C09B 31/02 - Disazo dyes
• C09B 31/12 - Disazo dyes from other coupling components "C"
• C09D 11/328 - Inkjet printing inks characterised by colouring agents characterised by dyes

Abstract

A method for preparation of surface modified silicon dioxide, wherein the surface of the silicon dioxide is modified by mixing said silicon dioxide with a solution comprising at least one aminoorganosilane and at least one monovalent acid or salt thereof is provided.

IPC Classes  ?

• C09C 1/30 - Silicic acid
• B41M 5/52 - Macromolecular coatings

Abstract

Disclosed is a flexible material for optical applications in a wavelength range of 阳1 to 阳2, 阳1 being smaller than 阳2. Said flexible material is composed of a flexible support and at least one multilayer that comprises a porous or nanoporous layer which has a low refractive index and contains inorganic nanoparticles and at least one binder, and a non-porous polymer layer which has a high refractive index and is in direct contact with the porous or nanoporous layer. The disclosed flexible material is characterized in that the maximum thicknesses of the boundary layers, in which the refractive index changes from one value to the other and which are located between the porous or nanoporous layers and the non-porous polymer layers that are in direct contact therewith, amount to 0.2 times wavelength 阳2. The difference in the refractive indices of the porous or nanoporous layers and the non-porous polymer layers is at least 0.20, 200 nm and 2500 nm being typical values for 阳1 and 阳2.

IPC Classes  ?

• G02B 1/00 - Optical elements characterised by the material of which they are madeOptical coatings for optical elements

Abstract

A method of treating silica in an aqueous environment includes dispersing silica particulates in an aqueous environment to form an aqueous dispersion, reversing a net charge of a surface of the silica particulates from negative to positive using an inorganic treating agent to form surface-activated silica particulates, and contacting the surface-activated silica particulates with monoaminoorganosilane reagents to form reagent-modified and surface-activated silica particulates. Inkjet recording material comprising a coating comprising silica obtainable by the above method.

IPC Classes  ?

• B41M 5/52 - Macromolecular coatings
• C09C 1/30 - Silicic acid
• B41M 5/50 - Recording sheets characterised by the coating used to improve ink, dye or pigment receptivity, e.g. for ink-jet or thermal dye transfer recording

Abstract

A photo medium composition (11) is disclosed. The composition includes an adhesion promoting layer (20) and at least two ink-receiving layers (22, 24) established on the adhesion promoting layer (20). Each of the ink-receiving layers (22, 24) has a polymeric binder composition including at least one of polyvinyl alcohol and modified polyvinyl alcohol, and at least one of styrene-acrylic copolymers and gelatin. An image enhancing layer (26), having cationic polyurethanes therein, is established on the at least two ink-receiving layers (22, 24).

IPC Classes  ?

• B41M 5/52 - Macromolecular coatings
• B41M 5/50 - Recording sheets characterised by the coating used to improve ink, dye or pigment receptivity, e.g. for ink-jet or thermal dye transfer recording
• B41M 5/00 - Duplicating or marking methodsSheet materials for use therein