C08K2003/2231

SECURITY INKS AND MACHINE READABLE SECURITY FEATURES

The present invention relates to the field of security inks suitable for printing machine readable security features on substrate, security documents or articles as well as machine readable security feature made from said security inks, and security documents comprising a machine readable security feature made from said security inks. In particular, the invention provides security inks comprising one or more IR absorbing materials wherein said security ink allows the production of a machine readable security feature having the following optical properties: a lightness L* equal to or higher than about 80, a chroma C* smaller than or equal to about 15 and a reflectance at 900 nm smaller than or equal to about 60%.

System and method for protecting a surface from UV radiation
11407901 · 2022-08-09 · ·

A method of protecting a polymer from UV degradation includes impinging ultraviolet (“UV”) radiation from an artificial UV source onto an interior object, the interior object comprising: i) a polymer substrate; and ii) a continuous inorganic film on the polymer substrate. The continuous inorganic film protects the polymer substrate from the ultraviolet radiation.

Process cartridge and electrophotographic apparatus

A process cartridge which allows any spot and stripe as image defects to be suppressed is provided. A process cartridge, in which an electroconductive layer of a charging member has a matrix including a first rubber, and domains dispersed in the matrix, the domains include a second rubber and an electron electroconductive agent, at least some of the domains are exposed on a surface of the charging member, when a volume resistivity of the matrix is 10.sup.5 times or more a volume resistivity of the domains, a protective layer of an electrophotographic photosensitive member includes a metal oxide particle, and when a number average primary particle size of the metal oxide particle is defined as Sm and an average value of equivalent circle diameters of the domains is defined as Sd, the Sd/Sm satisfies the following expression (1): 0.5<Sd/Sm<100 . . . expression (1).

THERMALLY STABLE ELASTIC POLYMER-ENCAPSULATED ANODE PARTICLES FOR LITHIUM BATTERIES AND METHOD OF MANUFACTURING
20220246915 · 2022-08-04 ·

A composite particulate for a lithium battery, wherein the composite particulate has a diameter from 10 nm to 50 μm and comprises one or more than one anode active material particles that are dispersed in a high-elasticity polymer matrix or encapsulated by a high-elasticity polymer shell, wherein the high-elasticity polymer matrix or shell has a recoverable elastic tensile strain no less than 5%, when measured without an additive or reinforcement dispersed therein, and a lithium ion conductivity no less than 10.sup.−8 S/cm at room temperature and wherein the high-elasticity polymer comprises a polymer derived from a monomer selected from the group consisting of vinyl sulfite, ethylene carbonate, methyl methacrylate, vinyl acetate, fluorinated monomers having unsaturation for polymerization, sulfones, sulfides, nitriles, sulfates, siloxanes, silanes, and combinations thereof.

ELASTIC FLAME-RETARDANT POLYMER-ENCAPSULATED ANODE PARTICLES FOR LITHIUM BATTERIES AND METHOD OF MANUFACTURING
20220246937 · 2022-08-04 · ·

A composite particulate for a lithium battery, wherein the composite particulate has a diameter from 10 nm to 50 μm and comprises one or more than one anode active material particles that are dispersed in a high-elasticity polymer matrix or encapsulated by a high-elasticity polymer shell, wherein the high-elasticity polymer matrix or shell has a recoverable elastic tensile strain no less than 5%, when measured without an additive or reinforcement dispersed therein, and a lithium ion conductivity no less than 10.sup.−8 S/cm at room temperature and wherein the high-elasticity polymer comprises a polymer derived from a monomer selected from the group consisting of phosphates, phosphonates, phosphonic acids, phosphorous acid, phosphites, phosphoric acids, combinations thereof, and combination thereof with phosphazenes. These polymers are also highly flame-resistant.

CURABLE RESIN COMPOSITION, CURED PRODUCT, DIFFRACTIVE OPTICAL ELEMENT, AND MULTILAYER DIFFRACTIVE OPTICAL ELEMENT

Provide are a curable resin composition containing ITO particles, in which a cured product obtained from the curable resin composition can exhibit high transmittance over a visible light to shortwave infrared wavelength region while maintaining a wavelength dependence of a desired refractive index; a cured product formed of the curable resin composition; and a diffractive optical element and a multilayer diffractive optical element.

A curable resin composition includes particles which have a core-shell structure, in which a core portion is composed of indium tin oxide, a monofunctional or higher (meth)acrylate compound, and a dispersant; a cured product formed of the curable resin composition; and a diffractive optical element and a multilayer diffractive optical element.

CURABLE RESIN COMPOSITION, CURED PRODUCT, DIFFRACTIVE OPTICAL ELEMENT, AND MULTILAYER DIFFRACTIVE OPTICAL ELEMENT

Provide are a curable resin composition containing ITO particles, in which a cured product obtained from the curable resin composition can exhibit high transmittance over a visible light to shortwave infrared wavelength region while maintaining a wavelength dependence of a desired refractive index; a cured product formed of the curable resin composition; and a diffractive optical element and a multilayer diffractive optical element.

A curable resin composition includes particles which have a core-shell structure, in which a core portion is composed of indium tin oxide, a monofunctional or higher (meth)acrylate compound, and a dispersant; a cured product formed of the curable resin composition; and a diffractive optical element and a multilayer diffractive optical element.

Filament materials comprising marking additives for extrusion-based additive manufacturing systems
11433605 · 2022-09-06 · ·

A filament material and a method for producing the same is disclosed. For example, the filament material includes a polymer resin that is compatible with an extrusion based printing process and a marking additive that allows selective portions of the filament material to change color when exposed to a light, wherein the marking additive is added to approximately 0.01 to 25.00 weight percent (wt %).

Scratch-resistant styrene copolymer composition containing inorganic metal compound nanoparticles

A scratch-resistant thermoplastic polymer composition (P) comprising 40 to 99.9 wt.-% of at least one styrene-based copolymer, 0.1 to 20 wt.-% of at least one inorganic metal compound nanoparticle, and optionally at least one polymeric compatibilizing agent, at least one modified polysiloxane compound, at least one colorant, dye or pigment, and/or at least one further additive has improved scratch properties.

ADHESIVE RESIN COMPOSITION FOR SEMICONDUCTOR, ADHESIVE FILM FOR SEMICONDUCTOR DEVICE USING THE SAME AND DICING DIE BONDING FILM USING THE SAME
20220089916 · 2022-03-24 · ·

The present disclosure relates to an adhesive film for a semiconductor and a dicing die-bonding film the same, and particularly, to an adhesive film for a semiconductor, which may reduce electromagnetic interference generated in a semiconductor package by including a polymer matrix in which a magnetic filler including a core and a coating layer formed on the surface of the core is dispersed, and a dicing die-bonding film including the same.