Abstract

The invention provides optical filter films comprising: a) a first colloidal crystal layer comprising polymer particles having a first average diameter; and b) a second colloidal crystal layer comprising polymer particles having a second average diameter wherein the first average diameter and second average diameter are different. The invention also provides coated substrates comprising a substrate coated with the optical filter films and methods of coating substrates with the optical filter films.

IPC Classes  ?

• G02B 1/02 - Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of crystals, e.g. rock-salt, semiconductors
• B82Y 20/00 - Nanooptics, e.g. quantum optics or photonic crystals
• B82Y 30/00 - Nanotechnology for materials or surface science, e.g. nanocomposites
• G02B 5/20 - Filters

Abstract

The invention provides electrically conductive films containing graphene nanoplatelets packed in a substantially Apollonian manner. The films may also comprise carbon nanotubes in order to improve their conductivity. The invention also provides liquid compositions that can be used to print the electrically conductive films described herein.

IPC Classes  ?

• C09D 11/52 - Electrically conductive inks
• C01B 32/159 - Carbon nanotubes single-walled
• C01B 32/194 - After-treatment
• C09D 11/037 - Printing inks characterised by features other than the chemical nature of the binder characterised by the pigment

Abstract

The invention provides devices for active modification of thermal radiation, the devices comprising: (i) a substrate; (ii) one or more polymeric permeable membranes comprising an ionic liquid electrolyte; (iii) one or more electrodes comprising carbon nanotubes deposited onto the surface of at least one of the one or more polymeric membranes; and (iv) a protective encapsulation layer. The invention also provides methods of making such devices.

IPC Classes  ?

• F41H 3/02 - Covers, e.g. screens, nets
• C01B 32/159 - Carbon nanotubes single-walled

Abstract

The invention provides devices for active modification of NIR radiation, the devices comprising: (i) a substrate; (ii) one or more polymeric permeable membranes comprising an ionic liquid electrolyte; (iii) one or more electrodes comprising carbon nanotubes and a transition metal oxide; and (iv) a protective encapsulation layer. The invention also provides methods of making such devices.

IPC Classes  ?

• H01G 11/36 - Nanostructures, e.g. nanofibres, nanotubes or fullerenes
• H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
• G02F 1/15 - Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on an electrochromic effect
• G02B 5/20 - Filters

Abstract

The invention provides a Raman-detectible composition comprising two or more different Raman-active 2D materials. Also provided is a formulation comprising the Raman-detectible composition and a binder; a substrate comprising the Raman-detectible composition; the use of the Raman-detectible composition to tag a substrate; a method for tagging a substrate with the Raman-detectible composition; and a method for analysing a substrate or formulation for the presence of the Raman detectible composition.

IPC Classes  ?

• B42D 25/378 - Special inks
• G07D 7/1205 - Testing spectral properties
• B42D 25/29 - Securities;  Bank notes
• G01N 21/65 - Raman scattering
• C09D 11/037 - Printing inks characterised by features other than the chemical nature of the binder characterised by the pigment
• C09D 11/033 - Printing inks characterised by features other than the chemical nature of the binder characterised by the solvent
• C09D 11/106 - Printing inks based on artificial resins containing macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds

Abstract

The invention provides liquid compositions comprising conductive carbon particles and/or carbon nanoparticles, a thickening agent, and a solvent. The carbon nanoparticles are preferably a mixture of graphite nanoplatelets and carbon nanotubes and the thickening agent is preferably a cellulose derivative. The liquid compositions can be used as ink to print highly conductive films that adhere to paper substrates.

IPC Classes  ?

• C09D 11/52 - Electrically conductive inks
• C09D 11/037 - Printing inks characterised by features other than the chemical nature of the binder characterised by the pigment
• C09D 11/033 - Printing inks characterised by features other than the chemical nature of the binder characterised by the solvent
• C09D 11/14 - Printing inks based on carbohydrates
• C01B 32/225 - Expansion; Exfoliation
• C01B 32/19 - Preparation by exfoliation
• G06K 19/077 - Constructional details, e.g. mounting of circuits in the carrier
• H05B 3/14 - Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material the material being non-metallic
• H01Q 1/22 - Supports; Mounting means by structural association with other equipment or articles

Abstract

The invention provides electrically conductive films containing graphene nanoplatelets packed in asubstantially Apollonian manner. The films may also comprise carbon nanotubes in order to improve their conductivity. The invention also provides liquid compositions that can be used to print the electrically conductive films described herein.

IPC Classes  ?

• C09D 11/52 - Electrically conductive inks
• C09D 11/037 - Printing inks characterised by features other than the chemical nature of the binder characterised by the pigment
• C09D 11/324 - Pigment inks containing carbon black

Abstract

The invention provides electrically conductive films containing graphene nanoplatelets packed in asubstantially Apollonian manner. The films may also comprise carbon nanotubes in order to improve their conductivity. The invention also provides liquid compositions that can be used to print the electrically conductive films described herein.

IPC Classes  ?

• C09D 11/52 - Electrically conductive inks
• C09D 11/037 - Printing inks characterised by features other than the chemical nature of the binder characterised by the pigment
• C09D 11/324 - Pigment inks containing carbon black
• H01B 1/24 - Conductive material dispersed in non-conductive organic material the conductive material comprising carbon-silicon compounds, carbon, or silicon
• C01B 32/00 - Carbon; Compounds thereof

Abstract

The invention provides liquid compositions comprising conductive carbon particles and/or carbon nanoparticles, a thickening agent, and a solvent. The carbon nanoparticles are preferably a mixture of graphite nanoplatelets and carbon nanotubes and the thickening agent is preferably a cellulose derivative. The liquid compositions can be used as ink to print highly conductive films that adhere to paper substrates.

IPC Classes  ?

• C09D 11/52 - Electrically conductive inks
• C09D 11/037 - Printing inks characterised by features other than the chemical nature of the binder characterised by the pigment
• C09D 11/324 - Pigment inks containing carbon black
• C09D 11/03 - Printing inks characterised by features other than the chemical nature of the binder

Abstract

The invention provides devices for active modification of thermal radiation, the devices comprising: (i) a substrate; (ii) one or more polymeric permeable membranes comprising an ionic liquid electrolyte; (iii) one or more electrodes comprising carbon nanotubes deposited onto the surface of at least one of the one or more polymeric membranes; and (iv) a protective encapsulation layer. The invention also provides methods of making such devices.

IPC Classes  ?

• C01B 32/158 - Carbon nanotubes
• C01B 32/159 - Carbon nanotubes single-walled

Abstract

The invention provides devices for active modification of thermal radiation, the devices comprising: (i) a substrate; (ii) one or more polymeric permeable membranes comprising an ionic liquid electrolyte; (iii) one or more electrodes comprising carbon nanotubes deposited onto the surface of at least one of the one or more polymeric membranes; and (iv) a protective encapsulation layer. The invention also provides methods of making such devices.

IPC Classes  ?

• C01B 32/158 - Carbon nanotubes
• C01B 32/159 - Carbon nanotubes single-walled

Abstract

The invention provides a Raman-detectible composition comprising two or more different Raman-active 2D materials. Also provided is a formulation comprising the Raman-detectible composition and a binder; a substrate comprising the Raman- detectible composition; the use of the Raman-detectible composition to tag a substrate; a method for tagging a substrate with the Raman-detectible composition; and a method for analysing a substrate or formulation for the presence of the Raman detectible composition.

IPC Classes  ?

• G07D 7/0043 - Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency using digital security elements, e.g. information coded on a magnetic thread or strip using barcodes
• G07D 7/1205 - Testing spectral properties
• G07D 7/202 - Testing patterns thereon using pattern matching
• G01N 21/65 - Raman scattering
• B42D 25/29 - Securities;  Bank notes
• B42D 25/36 - Identification or security features, e.g. for preventing forgery comprising special materials
• B42D 25/415 - Marking using chemicals
• C09D 11/00 - Inks

Abstract

Nanoplatelets are prepared from a 3D layered material by: providing a dispersion of the 3D layered material, pressurising the dispersion, rapidly depressurising the dispersion to create shear forces that exfoliate the 3D layered material into nanoplatelets; and/or providing a dispersion of the 3D layered material, forming a first flow of the dispersion along a first flowpath in a first direction, forming a second flow of the dispersion along a second flowpath in a second direction by reversing the first flow or by forming the second flow in a second flowpath, wherein the second flowpath is substantially reverse and non-coaxial with the first flowpath, whereby shear forces between material in the first flowpath and material in the second flowpath exfoliate the 3D layered material into nanoplatelets. Also provided are apparatuses for carrying out the invention and nanoplatelets obtained by the invention.

IPC Classes  ?

• C01B 32/19 - Preparation by exfoliation
• C01G 39/06 - Sulfides
• B82Y 40/00 - Manufacture or treatment of nanostructures

Goods & Services

Coatings for the shielding of electromagnetic radiation; coatings for shielding of electromagnetic interference; coatings for the shielding of electromagnetic radiation containing carbon nanomaterials. Devices for shielding of electromagnetic radiation; devices for shielding of electromagnetic radiation containing carbon nanomaterials. Application of coatings and films using spraying techniques; application of nanomaterial-containing coatings and films using spraying techniques; application of carbon nanomaterial-containing coatings and films using spraying techniques; application of electromagnetic radiation shielding coatings and films using spraying techniques.

Goods & Services

Electrically conducting inks; printing inks with electric conductivity; electrically conductive screen-printing inks; electrically conductive inks for printing; inks containing nanomaterials; dispersions containing nanomaterials; inks containing carbon nanomaterials; dispersions containing carbon nanomaterials; printing inks containing carbon nanomaterials; electrically conducting inks containing carbon nanomaterials; electrically conductive coatings; coatings containing carbon nanomaterial; all of the aforesaid containing functionalised nanomaterials for high-tech products in relation to electronics or printing. Printing of electrically conducting inks; printing of inks containing nanomaterials; printing of inks containing carbon nanomaterials; application of coatings and films using spraying techniques; application of nanomaterial-containing coatings and films using spraying techniques; application of carbon nanomaterial-containing coatings and films using spraying techniques; application of conductive coatings and films using spraying techniques; all of the aforesaid containing functionalised nanomaterials for high-tech products in relation to electronics or printing.

Abstract

The invention provides liquid compositions comprising conductive carbon particles and/or carbon nanoparticles, a thickening agent, and a solvent. The carbon nanoparticles are preferably a mixture of graphite nanoplatelets and carbon nanotubes and the thickening agent is preferably a cellulose derivative. The liquid compositions can be used as ink to print highly conductive films that adhere to paper substrates.

IPC Classes  ?

• C01B 32/18 - Nanoonions; Nanoscrolls; Nanohorns; Nanocones; Nanowalls
• C01B 32/158 - Carbon nanotubes
• C01B 32/159 - Carbon nanotubes single-walled
• C01B 32/20 - Graphite

Abstract

The invention provides liquid compositions comprising conductive carbon particles and/or carbon nanoparticles, a thickening agent, and a solvent. The carbon nanoparticles are preferably a mixture of graphite nanoplatelets and carbon nanotubes and the thickening agent is preferably a cellulose derivative. The liquid compositions can be used as ink to print highly conductive films that adhere to paper substrates.

IPC Classes  ?

• C01B 32/18 - Nanoonions; Nanoscrolls; Nanohorns; Nanocones; Nanowalls
• C01B 32/158 - Carbon nanotubes
• C01B 32/159 - Carbon nanotubes single-walled
• C01B 32/20 - Graphite
• C09D 11/00 - Inks

Abstract

Nanoplatelets are prepared from a 3D layered material by: providing a dispersion of the 3D layered material, pressurising the dispersion, rapidly depressurising the dispersion to create shear forces that exfoliate the 3D layered material into nanoplatelets; and/or providing a dispersion of the 3D layered material, forming a first flow of the dispersion along a first flowpath in a first direction, forming a second flow of the dispersion along a second flowpath in a second direction by reversing the first flow or by forming the second flow in a second flowpath, wherein the second flowpath is substantially reverse and non-coaxial with the first flowpath, whereby shear forces between material in the first flowpath and material in the second flowpath exfoliate the 3D layered material into nanoplatelets. Also provided are apparatuses for carrying out the invention and nanoplatelets obtained by the invention.

IPC Classes  ?

• C01B 32/19 - Preparation by exfoliation
• C01B 17/20 - Methods for preparing sulfides or polysulfides, in general

Abstract

Nanoplatelets are prepared from a 3D layered material by: providing a dispersion of the 3D layered material, pressurising the dispersion, rapidly depressurising the dispersion to create shear forces that exfoliate the 3D layered material into nanoplatelets; and/or providing a dispersion of the 3D layered material, forming a first flow of the dispersion along a first flowpath in a first direction, forming a second flow of the dispersion along a second flowpath in a second direction by reversing the first flow or by forming the second flow in a second flowpath, wherein the second flowpath is substantially reverse and non-coaxial with the first flowpath, whereby shear forces between material in the first flowpath and material in the second flowpath exfoliate the 3D layered material into nanoplatelets. Also provided are apparatuses for carrying out the invention and nanoplatelets obtained by the invention.

IPC Classes  ?

• C01B 32/19 - Preparation by exfoliation
• C01B 17/20 - Methods for preparing sulfides or polysulfides, in general