Abstract: The present invention is an optically clear adhesive composition including a free-radically polymerizable acrylate or meth(acrylate) functional group oligomer, a trialkyl borane complex initiator, a photoacid generator, and a photosensitizer. A viscosity of the composition immediately after mixing and a viscosity of the composition about 24 hours after mixing changes by less than about 10%.

Abstract: The present invention is an assembly layer for a flexible device. The assembly layer is derived from precursors that include about 0 to about 50 wt % C1-C9 alkyl(meth)acrylate, about 40 to about 99 wt % C10-C24 (meth)acrylate, about 0 to about 30 wt % hydroxyl (meth)acrylate, about 0 to about 10 wt % of a non-hydroxy functional polar monomer, and about 0 to about 5 wt % crosslinker.

Abstract: The present invention is an assembly layer for a flexible device. The assembly layer is derived from precursors that include about 0 to about 50 wt % C1-C9 alkyl(meth)acrylate, about 40 to about 99 wt % C10-C24 (meth)acrylate, about 0 to about 30 wt % hydroxyl (meth)acrylate, about 0 to about 10 wt % of a non-hydroxy functional polar monomer, and about 0 to about 5 wt % crosslinker.

Abstract: The present invention is an assembly layer for a flexible device. The assembly layer is derived from precursors that include about 0 to about 50 wt % C1-C9 alkyl(meth)acrylate, about 40 to about 99 wt % C10-C24 (meth)acrylate, about 0 to about 30 wt % hydroxyl(meth)acrylate, about 0 to about 10 wt % of a non-hydroxy functional polar monomer, and about 0 to about 5 wt % crosslinker.

Abstract: Optically clear curable adhesive films that are heat conformable prior to setting include a reactive composition. The curable films are flexible and free-standing, and have a complex viscosity of greater than 100,000 poise (10,000 Pascal seconds) at 25° C. and less than 100 poise (10 Pascal seconds) at 85° C., prior to setting. The set film has an adhesive shear strength of greater than 100 Newtons per square centimeter (N/cm2) to a glass substrate when measured according to the Shear Adhesion Test Method. The reactive composition includes an ethylenically unsaturated polyester-containing oligomeric composition that is the reaction product of a saturated, amorphous co-polyester polyol and a compound with a terminal polyol-reactive group and a terminal ethylenically unsaturated group, a (meth)acrylate functional material, and at least one initiator.

Abstract: The present invention is an optically clear adhesive composition including a free-radically polymerizable acrylate or meth(acrylate) functional group oligomer, a trialkyl borane complex initiator, a photoacid generator, and a photosensitizer. A viscosity of the composition immediately after mixing and a viscosity of the composition about 24 hours after mixing changes by less than about 10%.

Abstract: The present invention is an assembly layer for a flexible device. The assembly layer is derived from precursors that include about 0 to about 50 wt % C1-C9 alkyl(meth)acrylate, about 40 to about 99 wt % C10-C24 (meth)acrylate, about 0 to about 30 wt % hydroxyl(meth)acrylate, about 0 to about 10 wt % of a non-hydroxy functional polar monomer, and about 0 to about 5 wt % crosslinker.

Abstract: The disclosure describes a curable composition comprising a) a solute (meth) acryloyl oligomer having a plurality of pendent, ethylenically unsaturated, free-radically polymerizable functional groups and nucleophilic, hydrophilic groups, a Mw of 5 k to 30 k. a Tg<20° C.; b) a solvent monomer component; and non-reactive oligomer an a photoinitiator. The curable composition may be used as an adhesive in optical applications.

Abstract: The disclosure describes a curable composition comprising a) a solute (meth)acryloyl oligomer having a plurality of pendent, ethylenically unsaturated, free-radically polymerizable functional groups and nucleophilic, hydrophilic groups, a Mw of 5 k to 30 k, a Tg<20° C.; b) a solvent monomer component; a chain transfer agent, and a photoinitiator. The curable composition may be used as an adhesive in optical applications.

Abstract: A viscoelastic adhesive composition is provided, wherein at a dispensing temperature of between 35° C. and 120° C., the viscoelastic adhesive composition can be discretely dispensed and has a tan delta of at least 1 as determined by dynamic mechanical analysis at a frequency of 1 Hz and a complex viscosity of less than 5×103 Pascal-sec at a complex viscosity of less than 5×103Pascal-sec at a frequency of about 10 radians s?1. Such adhesives have been found useful in forming optical assemblies for producing display panels used in a variety of electronic devices.

Abstract: The disclosure describes a curable composition comprising a first oligomer having a plurality of polymerizable groups; a second component comprising alkylene oxide repeat units and terminal polymerizable groups, a solvent monomer component; and a photoinitiator. The curable composition may be used as an adhesive in optical applications.

Abstract: A process including positioning a coating head to define a gap between a first external opening in flow communication with a source of a first coating liquid, and a major surface of a substrate; creating relative motion between the first coating head and the substrate; dispensing a pre-determined quantity of the first coating liquid to form a discrete patch in a predetermined position on the substrate's major surface; positioning a second coating head to define a gap between a second external opening in flow communication with a source of a second coating liquid and a major surface of the patch; creating relative motion between the second coating head and the substrate, and dispensing a pre-determined quantity of the second coating liquid to form a discontinuous pattern on the patch's major surface. The first and optionally the second coating liquids exhibit a viscosity as dispensed of at least 1 Pascal-sec.

Abstract: Optically clear curable adhesive films that are heat conformable prior to setting include a reactive composition. The curable films are flexible and free-standing, and have a complex viscosity of greater than 100,000 poise (10,000 Pascal seconds) at 25° C. and less than 100 poise (10 Pascal seconds) at 85° C., prior to setting. The set film has an adhesive shear strength of greater than 100 Newtons per square centimeter (N/cm2) to a glass substrate when measured according to the Shear Adhesion Test Method. The reactive composition includes an ethylenically unsaturated polyester-containing oligomeric composition that is the reaction product of a saturated, amorphous co-polyester polyol and a compound with a terminal polyol-reactive group and a terminal ethylenically unsaturated group, a (meth)acrylate functional material, and at least one initiator.

Abstract: The present invention is a method of curing an adhesive composition positioned at least partially under a light-absorbing layer. The method includes providing an adhesive composition, positioning the light-absorbing layer over a surface of the adhesive composition such that there is an exposed area of the adhesive composition and a covered area of the adhesive composition and irradiating the exposed area of the adhesive composition and the covered area of the adhesive composition at the surface at a dosage of between about 100 mJ/cm2 and about 10,000 mJ/cm2. The adhesive composition includes a solute (meth)acryolyl oligomer having a molecular weight of 4 to 30 k and a Tg of less than about 20° C., a diluents monomer component and a photoinitiator.

Abstract: A process including providing a coating head having an external opening in flow communication with a source of a first coating liquid, positioning the coating head relative to a substrate to define a gap between the external opening and the substrate, creating relative motion between the coating head and the substrate in a coating direction, and dispensing a predetermined quantity of the first coating liquid from the external opening onto at least a portion of at least one major surface of the substrate to form a discrete patch of the first coating liquid in a predetermined position on at least a portion of the major surface of the substrate. The first coating liquid as dispensed exhibits a viscosity of at least 1 Pascal-sec. In some exemplary embodiments, the first coating liquid is a liquid optically clear adhesive composition used in a laminate including a light emitting or reflecting device component.

Abstract: A method of stencil printing includes printing a layer of non-sag adhesive onto a first substrate, adding topography to the layer of non-sag adhesive, and contacting the layer of non-sag adhesive with a second substrate. The second substrate initially contacts only about 5% or less of exposed surface area of the layer of non-sag adhesive.

Abstract: Curable adhesive compositions, cured adhesive compositions, and articles that include the cured adhesive compositions are described. The curable adhesive composition contains a) an epoxy resin, b) a curing agent, c) a reactive liquid modifier, d) a toughening agent, and e) an oil displacing agent. The cured adhesive compositions can be used as structural adhesives.

Abstract: The disclosure describes a curable composition comprising a) a solute (meth) acryloyl oligomer having a plurality of pendent, ethylenically unsaturated, free-radically polymerizable functional groups and nucleophilic, hydrophilic groups, a Mw of 5 k to 30 k. a Tg<20° C.; b) a solvent monomer component; and non-reactive oligomer an a photolnitiator. The curable composition may be used as an adhesive in optical applications.

Abstract: A process including providing a coating head having an external opening in flow communication with a source of a first coating liquid, positioning the coating head relative to a substrate to define a gap between the external opening and the substrate, creating relative motion between the coating head and the substrate in a coating direction, and dispensing a predetermined quantity of the first coating liquid from the external opening onto at least a portion of at least one major surface of the substrate to form a discrete patch of the first coating liquid in a predetermined position on at least a portion of the major surface of the substrate. The first coating liquid as dispensed exhibits a viscosity of at least 1 Pascal-sec. In some exemplary embodiments, the first coating liquid is a liquid optically clear adhesive composition used in a laminate including a light emitting or reflecting device component.

Abstract: The disclosure describes a curable composition comprising a) a solute (meth)acryloyl oligomer having a plurality of pendent, ethylenically unsaturated, free-radically polymerizable functional groups and nucleophilic, hydrophilic groups, a Mw of 5 k to 30 k, a Tg<20° C.; b) a solvent monomer component; a chain transfer agent, and a photoinitiator. The curable composition may be used as an adhesive in optical applications.