Abstract: A free-radically polymerizable monomer represented by formula (I). Each R1 independently represents H or a methyl group. Each R2 independently represents an alkyl group having from 1 to 6 carbon atoms or phenyl. Each Z independently represents a divalent alkylene group having from 3 to 12 carbon atoms. Q represents a divalent alkylene group having from 1 to 36 carbon atoms. A free-radically polymerizable composition comprises the free-radically polymerizable monomer and a free-radical polymerization initiator. A method of using the free-radically polymerizable composition. an at least partially polymerized composition, and an electronic article are also disclosed.

Abstract: Low dielectric constant curable compositions include a first alkyl (meth)acrylate monomer with 12 or more carbon atoms, a crosslinking monomer, a copolymeric additive of a polyisobutylene-polysiloxane block copolymer, and at least one initiator. The curable composition is solvent free and inkjet printable. Upon curing the curable composition forms a non-crystalline, optically clear layer with a dielectric constant of less than or equal to 3.0 at 1 MegaHertz.

Abstract: A free-radically polymerizable monomer is represented by the formula Each Z independently represents a divalent aliphatic hydrocarbylene group having 3 to 12 carbon atoms. Each R1 independently represents H or methyl. Each R2 independently represents a hydrocarbyl group having from 1 to 6 carbon atoms. R3 represents methyl, phenyl, or —CH2CH2CF3, and n is 3 or 4. A free-radically polymerizable composition comprises the free-radically polymerizable monomer and a free-radical polymerization initiator. A method of using the free-radically polymerizable composition, an at least partially polymerized composition, and an electronic article are also disclosed.

Abstract: Curable compositions include an acrylate of Formula I: Formula I at least one multifunctional (meth)acrylate with fused aromatic groups, heteroarylene groups, heteroalkylene groups, alkylene groups, or aralkylene groups, and a photoinitiator. The compositions, when cured, have a refractive index of 1.63 or greater at 532 nanometers, are optically transparent, and have a thermal stability such that upon heating for 1 hour at 250° C. they have a weight loss of 3.5% or less.

Abstract: Described herein is a dicarboxylic acid compound of formula (I): Wherein: R3 comprises an aryl group, R2 is an alkylene group comprising to 6 carbon atoms, n is 0 or 1, R1 is H or CH3, and X is S or NZ, wherein Z is H, an alkyl group comprising to 4 carbon atoms or a phenyl group. Such compounds can be used to modify the surface of inorganic particles.

Abstract: Curable ink compositions include a curable aromatic monomer composition, and surface treated metal oxide nanoparticles. The surface treated metal oxide nanoparticles are surface treated with a mixture of at least two silane-functional surface treatment agents, at least one aromatic-containing silane-functional surface treatment agent and at least one silane-functional surface treatment agent comprising a co-polymerizable group. The curable ink composition is inkjet printable, having a viscosity of 30 centipoise or less at a temperature of from room temperature to 60° C., and is free from solvents. The curable ink composition, when printed and cured, has a refractive index of 1.55 or greater, and is optically clear.

Abstract: Organic light emitting diode (OLED) devices are disclosed that include a first layer; a backfill layer having a structured first side and a second side; a planarization layer having a structured first side and a second side; and a second layer; wherein the second side of the backfill layer is coincident with and adjacent to the first layer, the second side of the planarization layer is coincident with and adjacent to the second layer, the structured first side of the backfill layer and structured first side of the planarization layer form a structured interface, the refractive index of the backfill layer is index matched to the first layer, and the refractive index of the planarization layer is index matched to the second layer.

Abstract: Curable ink compositions include at least one aromatic (meth)acrylate, at least one multifunctional (meth)acrylate with heteroaromatic groups, fused aromatic groups, heteroalkylene groups, or a group containing both heteroalkylene and aromatic groups, and a photoinitiator. The curable ink composition is Inkjet printable, having a viscosity of 30 centipoise or less at a temperature of from room temperature to 35° C., and is free from solvents. The ink composition, when printed and cured has a refractive index of 1.55 or greater, and is optically clear. The cured ink composition, when cured to a thickness of from 1-16 micrometers, has a surface roughness of less than or equal to 5 nanometers.

Abstract: Organic light emitting diode (OLED) devices are disclosed that include a first layer; a backfill layer having a structured first side and a second side; a planarization layer having a structured first side and a second side; and a second layer; wherein the second side of the backfill layer is coincident with and adjacent to the first layer, the second side of the planarization layer is coincident with and adjacent to the second layer, the structured first side of the backfill layer and structured first side of the planarization layer form a structured interface, the refractive index of the backfill layer is index matched to the first layer, and the refractive index of the planarization layer is index matched to the second layer.

Abstract: Organic light emitting diode (OLED) devices are disclosed that include a first layer; a backfill layer having a structured first side and a second side; a planarization layer having a structured first side and a second side; and a second layer; wherein the second side of the backfill layer is coincident with and adjacent to the first layer, the second side of the planarization layer is coincident with and adjacent to the second layer, the structured first side of the backfill layer and structured first side of the planarization layer form a structured interface, the refractive index of the backfill layer is index matched to the first layer, and the refractive index of the planarization layer is index matched to the second layer.

Abstract: Low dielectric constant curable compositions include a first alkyl (meth)acrylate monomer with 12 or more carbon atoms, a crosslinking monomer, a copolymeric additive of a polycarbosilane or a polycarbosiloxane, and at least one initiator. The curable composition is solvent free and inkjet printable. Upon curing the curable composition forms a non-crystalline, optically transparent layer with a dielectric constant of less than or equal to 3.0 at 1 MegaHertz.

Abstract: Curable silsesquioxane compositions, include three dimension networks of Formula I, Formula II, or a combination of Formula I and Formula II, where the oxygen atom at the * is bonded to another Si atom, R is a fluorinated organic group, R2 is an ethylenically unsaturated organic group, n+m is greater than 3, and the —OH groups are present in an amount of at least 15 wt-% of the network. The curable composition may also include a silanol-terminated fluorinated polysiloxane fluid. The curable composition is a coatable composition that is solvent free and wets glass. The curable composition, when cured, has a refractive index of 1.40 or lower.

Abstract: Organic light emitting diode (OLED) devices are disclosed that include a first layer; a backfill layer having a structured first side and a second side; a planarization layer having a structured first side and a second side; and a second layer; wherein the second side of the backfill layer is coincident with and adjacent to the first layer, the second side of the planarization layer is coincident with and adjacent to the second layer, the structured first side of the backfill layer and structured first side of the planarization layer form a structured interface, the refractive index of the backfill later is index matched to the first layer, and the refractive index of the planarization layer is index matched to the second layer.

Abstract: Transfer tapes include a releasing substrate and an adhesive layer adjacent to the surface of the releasing substrate. The adhesive layer includes a cured copolymer prepared from a reaction mixture that includes at least one alkyl (meth)acrylate, at least one ethylenically unsaturated silane, and an initiator. The adhesive layer is a pressure sensitive adhesive at room temperature and is convertible into a ceramic-like layer by bake-out at a temperature of from 170-500°.

Abstract: Transfer tapes include a releasing substrate and an adhesive layer adjacent to the surface of the releasing substrate. The adhesive layer includes a at least one siloxane-based copolymer, and at least one siloxane tackifying resin. The adhesive layer is a pressure sensitive adhesive at room temperature and is convertible into a ceramic-like layer by bake-out at a temperature of from 100-500°.

Abstract: A film including a resin layer comprising a structured major surface opposite a second major surface, the structured major surface including a plurality of features; a barrier layer on the structured major surface; and a first adhesive layer on the barrier layer.

Abstract: Low dielectric constant curable compositions include a first alkyl (meth)acrylate monomer with 12 or more carbon atoms, a crosslinking monomer, a copolymeric additive of a polyisobutylene-polysiloxane block copolymer, and at least one initiator. The curable composition is solvent free and inkjet printable. Upon curing the curable composition forms a non-crystalline, optically clear layer with a dielectric constant of less than or equal to 3.0 at 1 MegaHertz.

Abstract: A film including: a substrate; a first barrier layer on the substrate; a first resin layer on the first barrier layer; wherein the first resin layer includes a structured major surface and a plurality of features; a second barrier layer on the structured major surface of the first resin layer; and a second resin layer on the second barrier layer, wherein the second resin layer includes a structured major surface and a plurality of features.

Abstract: Curable compositions include at least one fluoropolymer, at least one monofunctional (meth)acrylate, at least one difunctional (meth)acrylate, and at least one initiator. The curable composition, when cured, forms an optically-scattering layer including a matrix and phase separated microdomains. The matrix and the phase separated microdomains have different refractive indices, and the microdomains are on the order of or larger than the wavelengths of visible light.

Abstract: Curable silsesquioxane compositions, include three dimension networks of Formula I, Formula II, or a combination of Formula I and Formula II, where the oxygen atom at the * is bonded to another Si atom, R is a fluorinated organic group, R2 is an ethylenically unsaturated organic group, n+m is greater than 3, and the —OH groups are present in an amount of at least 15 wt-% of the network. The curable composition may also include a silanol-terminated fluorinated polysiloxane fluid. The curable composition is a coatable composition that is solvent free and wets glass. The curable composition, when cured, has a refractive index of 1.40 or lower.