C09J163/00

Shape memory material with improved mechanical properties
11591503 · 2023-02-28 · ·

A composition includes an epoxy-based curable adhesive having at least one an epoxy resin modified acrylonitrile-butadiene copolymer and at least one thermoplastic elastomer. The at least one thermoplastic elastomer is present in the curable adhesive as a penetrating polymer network. Further, an expandable article is composed of the composition, a reinforcing element includes a support and an expandable article, a method for reinforces cavities of structural components, and the composition is used as a shape memory material.

ANISOTROPIC CONDUCTIVE FILM

An anisotropic conductive film, capable of connecting a terminal formed on a substrate having a wavy surface such as a ceramic module substrate with conduction characteristics stably maintained, includes an insulating adhesive layer, and conductive particles regularly arranged in the insulating adhesive layer as viewed in a plan view. The conductive particle diameter is 10 μm or more, and the thickness of the film is 1 or more times and 3.5 or less times the conductive particle diameter. The variation range of the conductive particles in the film thickness direction is less than 10% of the conductive particle diameter.

ANISOTROPIC CONDUCTIVE FILM

An anisotropic conductive film, capable of connecting a terminal formed on a substrate having a wavy surface such as a ceramic module substrate with conduction characteristics stably maintained, includes an insulating adhesive layer, and conductive particles regularly arranged in the insulating adhesive layer as viewed in a plan view. The conductive particle diameter is 10 μm or more, and the thickness of the film is 1 or more times and 3.5 or less times the conductive particle diameter. The variation range of the conductive particles in the film thickness direction is less than 10% of the conductive particle diameter.

Adhesive/Sealing Material for an Electrowetting Device

Subject matter disclosed herein relates to improving a contact diameter of an adhesive/sealing material on surfaces of substrates by altering rheological properties of the adhesive/sealing material. An electrowetting display device comprises a first substrate and a second substrate, a first fluid and a second fluid disposed between the first substrate and the second substrate, wherein the first fluid is immiscible with the second fluid. An adhesive/sealing material comprising UV curable epoxy glue is in contact with the second fluid and couples the second substrate to the first substrate. The adhesive/sealing material further comprises silica particles in a range of 1-6% mass fraction of silica that alter rheological properties of the UV curable epoxy glue.

Adhesive/Sealing Material for an Electrowetting Device

Subject matter disclosed herein relates to improving a contact diameter of an adhesive/sealing material on surfaces of substrates by altering rheological properties of the adhesive/sealing material. An electrowetting display device comprises a first substrate and a second substrate, a first fluid and a second fluid disposed between the first substrate and the second substrate, wherein the first fluid is immiscible with the second fluid. An adhesive/sealing material comprising UV curable epoxy glue is in contact with the second fluid and couples the second substrate to the first substrate. The adhesive/sealing material further comprises silica particles in a range of 1-6% mass fraction of silica that alter rheological properties of the UV curable epoxy glue.

CURABLE PRECURSOR OF A STRUCTURAL ADHESIVE COMPOSITION

The present disclosure relates to a curable precursor of a structural adhesive composition, comprising: a thermally curable resin; a thermal curing initiator for the thermally curable resin; a radiation self-polymerizable multi-functional compound comprising a polyether oligomeric backbone and at least one free-radical (co)polymerizable reactive group at each terminal position of the oligomer backbone; and a free-radical polymerization initiator for the radiation self-polymerizable multi-functional compound.

CURABLE PRECURSOR OF A STRUCTURAL ADHESIVE COMPOSITION

The present disclosure relates to a curable precursor of a structural adhesive composition, comprising: a thermally curable resin; a thermal curing initiator for the thermally curable resin; a radiation self-polymerizable multi-functional compound comprising a polyether oligomeric backbone and at least one free-radical (co)polymerizable reactive group at each terminal position of the oligomer backbone; and a free-radical polymerization initiator for the radiation self-polymerizable multi-functional compound.

CURABLE PRECURSOR OF A STRUCTURAL ADHESIVE COMPOSITION

The present disclosure relates to a curable precursor of a structural adhesive composition, comprising: a thermally curable resin; a thermal curing initiator for the thermally curable resin; a radiation self-polymerizable multi-functional compound comprising a polyether oligomeric backbone and at least one free-radical (co)polymerizable reactive group at each terminal position of the oligomer backbone; and a free-radical polymerization initiator for the radiation self-polymerizable multi-functional compound.

ADHESIVE FILM FOR CIRCUIT CONNECTION, AND CIRCUIT CONNECTION STRUCTURE AND MANUFACTURING METHOD THEREFOR

Disclosed is an adhesive film for circuit connection. This adhesive film for circuit connection includes a first adhesive layer containing conductive particles, a cured product of a photocurable resin component, and a first thermosetting resin component, and a second adhesive layer provided on the first adhesive layer and containing a second thermosetting resin component. A thickness of the first adhesive layer is 5 μm or less.

UV CURABLE COMPOSITION, UV CURABLE ADHESIVE FILM AND UV CURABLE ADHESIVE TAPE
20230002600 · 2023-01-05 ·

The present invention provides a UV curable composition, a UV curable adhesive film and a UV curable adhesive tape. The UV curable composition comprises, based on the total weight thereof as 100 wt %: 25 to 60 wt % of an ethylene-vinyl acetate copolymer; 20 to 60 wt % of an epoxy resin; 5 to 20 wt % of glass bubbles; 0.3 to 8 wt % of a hydroxy-containing compound; and 0.5 to 5 wt % of a photoinitiator. According to the technical solution of the present invention, cohesive failure can be achieved in the cured adhesive film by the addition of glass bubbles into the UV curable system. The UV curable product provided in the present invention can achieve a good balance among the initial adhesivity, structural strength after curing, odorlessness or low odor, and other performance.