A radiation curable white inkjet ink including at least 18.5 wt % of white pigment and 0 to 35 wt % of organic solvent, both weight percentages based on the total weight of the radiation curable white inkjet ink and a polymerizable composition containing 0 to 15.0 wt % of one or more polyfunctional polymerizable compounds, and at least 85.0 wt % of one or more monofunctional polymerizable compounds; and a specific polymerizable composition.

Print materials described herein include a first polymerization initiator comprising an initiator material having a thermal decomposition rate and a peak photo-initiated decomposition rate, wherein the thermal dissociation rate is higher than the peak photo-initiated decomposition rate; a vinylic monomer; a polyfunctional monomer; scattering particles; and quantum dots. Methods of making a quantum dot material using such print materials, and of incorporating into light emitting devices, are also described.

Print materials described herein include a first polymerization initiator comprising an initiator material having a thermal decomposition rate and a peak photo-initiated decomposition rate, wherein the thermal dissociation rate is higher than the peak photo-initiated decomposition rate; a vinylic monomer; a polyfunctional monomer; scattering particles; and quantum dots. Methods of making a quantum dot material using such print materials, and of incorporating into light emitting devices, are also described.

Resin formulation including: a mixture of low volatility oligomers is about 40% to 75% weight of the resin formulation; a plasticizer is about 25% to 55% by weight of the resin formulation; a photoinitiator is about 0.1% to 3.0% by weight of the resin formulation; a thermal inhibitor is about 0.001% to 4% by weight of the resin formulation; and a defoaming agent is about 0.0001% to 0.1% by weight of the resin formulation. Wherein the mixture of low volatility oligomers is combined with the photoinitiator, the thermal inhibitor and the defoaming agent, and mixed, then degassed at a temperature of about 60 deg C. and at a pressure of less than 10 kPa for at least 10 minutes.

Resin formulation including: a mixture of low volatility oligomers is about 40% to 75% weight of the resin formulation; a plasticizer is about 25% to 55% by weight of the resin formulation; a photoinitiator is about 0.1% to 3.0% by weight of the resin formulation; a thermal inhibitor is about 0.001% to 4% by weight of the resin formulation; and a defoaming agent is about 0.0001% to 0.1% by weight of the resin formulation. Wherein the mixture of low volatility oligomers is combined with the photoinitiator, the thermal inhibitor and the defoaming agent, and mixed, then degassed at a temperature of about 60 deg C. and at a pressure of less than 10 kPa for at least 10 minutes.

In order to satisfy the demand of consumers regarding design attractiveness, an infrared-light-transmitting dark color ink is provided, the ink having a black appearance and attaining high design attractiveness and, despite this, having sufficient infrared-light-transmitting property. The infrared-light-transmitting dark color ink transmits near infrared light having wavelengths of 750-1,500 nm, and comprises a resin component and a pigment component that comprises both a brown pigment, e.g., a benzimidazolone pigment, and a phthalocyanine pigment.

In order to satisfy the demand of consumers regarding design attractiveness, an infrared-light-transmitting dark color ink is provided, the ink having a black appearance and attaining high design attractiveness and, despite this, having sufficient infrared-light-transmitting property. The infrared-light-transmitting dark color ink transmits near infrared light having wavelengths of 750-1,500 nm, and comprises a resin component and a pigment component that comprises both a brown pigment, e.g., a benzimidazolone pigment, and a phthalocyanine pigment.

The present invention relates to the field of magnetic assemblies and processes for producing optical effect layers (OEL) comprising magnetically oriented non-spherical magnetic or magnetizable pigment particles on a substrate. In particular, the present invention relates magnetic assemblies and processes for producing said OELs as anti-counterfeit means on security documents or security articles or for decorative purposes.

The present invention relates to the field of magnetic assemblies and processes for producing optical effect layers (OEL) comprising magnetically oriented non-spherical magnetic or magnetizable pigment particles on a substrate. In particular, the present invention relates magnetic assemblies and processes for producing said OELs as anti-counterfeit means on security documents or security articles or for decorative purposes.

A banknote having a substrate with polymeric outer surfaces, including one or more coatings applied to at least one of the outer surfaces, at least one coating being a paper feel layer which provides a feel, substantially similar to that of a paper banknote, wherein the paper-feel layer includes tactile particles, to provide the paper-feel, and the tactile particles are conductive and/or the paper-feel layer includes conductive particles, or at least one of the or each coating includes conductive particles, to improve antistatic properties of the banknote.