C09J7/10

Adhesive composition for foldable display, adhesive film using same, and foldable display comprising same
11708512 · 2023-07-25 · ·

The present application provides an adhesive composition for a foldable display including a thermocurable resin; and a crosslinking agent, wherein the thermocurable resin includes a unit derived from a compound including at least one N or O; and at least one unshared electron pair in the molecule, and the thermocurable resin has a glass transition temperature of −70° C. or lower, an adhesive film using the same, and a foldable display including the same.

Adhesive composition for foldable display, adhesive film using same, and foldable display comprising same
11708512 · 2023-07-25 · ·

The present application provides an adhesive composition for a foldable display including a thermocurable resin; and a crosslinking agent, wherein the thermocurable resin includes a unit derived from a compound including at least one N or O; and at least one unshared electron pair in the molecule, and the thermocurable resin has a glass transition temperature of −70° C. or lower, an adhesive film using the same, and a foldable display including the same.

LOW POLYMER CONTENT PROPYLENE POLYMER-BASED HOT MELT ADHESIVE COMPOSITION
20230024582 · 2023-01-26 ·

The hot melt adhesive composition includes from 1% by weight to less than 10% by weight total polymer content, of which less than 10% by weight, based on the hot melt adhesive composition, is a single site-catalyzed propylene polymer selected from the group consisting of a single site-catalyzed propylene homopolymer, a single site-catalyzed propylene/alpha-olefin copolymer, and combinations thereof, liquid plasticizer, and at least 45% by weight of a hydrocarbon tackifying agent having a softening point greater than 90° C.

LOW POLYMER CONTENT PROPYLENE POLYMER-BASED HOT MELT ADHESIVE COMPOSITION
20230024582 · 2023-01-26 ·

The hot melt adhesive composition includes from 1% by weight to less than 10% by weight total polymer content, of which less than 10% by weight, based on the hot melt adhesive composition, is a single site-catalyzed propylene polymer selected from the group consisting of a single site-catalyzed propylene homopolymer, a single site-catalyzed propylene/alpha-olefin copolymer, and combinations thereof, liquid plasticizer, and at least 45% by weight of a hydrocarbon tackifying agent having a softening point greater than 90° C.

METHOD FOR PRODUCING PRESSURE-SENSITIVE ADHESIVE SHEET, AND PRESSURE-SENSITIVE ADHESIVE SHEET

A method for producing a pressure-sensitive adhesive sheet of the present invention includes: forming a pressure-sensitive adhesive layer 10 formed of a transparent, light-cured base pressure-sensitive adhesive material on a support S1; irradiating the pressure-sensitive adhesive layer 10 with an ultraviolet ray U to cure the pressure-sensitive adhesive layer; providing a solution 12 of an ultraviolet absorbing agent 11; applying the solution 12 to one of opposite surfaces of the cured pressure-sensitive adhesive layer 10a to cause the ultraviolet absorbing agent 11 contained in the solution 12 to infiltrate from the one surface in a thickness direction of the pressure-sensitive adhesive layer 10a; and drying the pressure-sensitive adhesive layer 10a.

ADHESIVE ARTICLE COMPRISING POLYMER AND POLYMERIZABLE CYCLIC OLEFINS, ADHESIVE COMPOSITIONS AND METHODS
20230014501 · 2023-01-19 ·

Adhesive composition and articles are described comprising a carrier substrate (e.g. release liner or backing) and an adhesive composition disposed on the carrier substrate. The adhesive composition comprises at least 20 wt.% of a polymer; unpolymerized cyclic olefin; and a (e.g. latent) ring opening metathesis polymerization catalyst or precatalyst thereof. The polymer may have a Tg less than 25° C. and/or may be an acrylic polymer. Also described is a method of bonding.

METHOD OF APPLYING FILAMENT ADHESIVE

Provided are methods and systems for dispensing filament adhesive onto a target substrate. A filament adhesive is applied on a target substrate according to a bead application plan, then the applied bead is checked against performance criteria. A second bead application plan is generated, and subsequent filament bead applied according to the second bead application plan.

METHOD OF APPLYING FILAMENT ADHESIVE

Provided are methods and systems for dispensing filament adhesive onto a target substrate. A filament adhesive is applied on a target substrate according to a bead application plan, then the applied bead is checked against performance criteria. A second bead application plan is generated, and subsequent filament bead applied according to the second bead application plan.

ADHESIVE SHEET

Provided is a pressure-sensitive adhesive sheet that can temporarily fix an adherend in a peelable manner, the pressure-sensitive adhesive sheet being free from requiring the application of high-output laser light at the time of the peeling of the adherend and being capable of eliminating the need for a step of washing the adherend after the peeling. The pressure-sensitive adhesive sheet of the present invention includes a pressure-sensitive adhesive layer containing a UV absorber and an active energy ray-curable pressure-sensitive adhesive, wherein the pressure-sensitive adhesive sheet has a transmittance of 50% or less for light having a wavelength of 355 nm. In one embodiment, the pressure-sensitive adhesive layer has a thickness of 20 μm or less. In one embodiment, the pressure-sensitive adhesive sheet has a visible light transmittance of 50% or more.

ADHESIVE SHEET

Provided is a pressure-sensitive adhesive sheet that can temporarily fix an adherend in a peelable manner, the pressure-sensitive adhesive sheet being free from requiring the application of high-output laser light at the time of the peeling of the adherend and being capable of eliminating the need for a step of washing the adherend after the peeling. The pressure-sensitive adhesive sheet of the present invention includes a pressure-sensitive adhesive layer containing a UV absorber and an active energy ray-curable pressure-sensitive adhesive, wherein the pressure-sensitive adhesive sheet has a transmittance of 50% or less for light having a wavelength of 355 nm. In one embodiment, the pressure-sensitive adhesive layer has a thickness of 20 μm or less. In one embodiment, the pressure-sensitive adhesive sheet has a visible light transmittance of 50% or more.