An adhesive composition including predominantly one or two polyamide(s) having units chosen from: at least one unit denoted A having an average number of carbon atoms per nitrogen atom, denoted C.sub.A, ranging from 4 to 8.5, advantageously from 4 to 7; at least one unit denoted B having an average number of carbon atoms per nitrogen atom, denoted C.sub.B, ranging from 7 to 10, advantageously from 7.5 to 9.5; and at least one unit denoted C having an average number of carbon atoms per nitrogen atom, denoted C.sub.C, ranging from 9 to 18, advantageously from 10 to 18, and to the use thereof.

Embodiments of laminated structures include a first film comprising a first polyolefin; an intermediate layer comprising a laminate adhesive, and a second film comprising a second polyolefin. The laminated structures exhibit excellent elastic recovery properties, ensuring that the laminated structure can adapt and hold to the shape of the packaged product.

A pressure-sensitive adhesive tape comprising or consisting of a radiation-activatable polymerizable composition comprising or consisting of: A 5 to 60 parts by weight of at least one film former component; B 40 to 95 parts by weight of at least one epoxy component; C 0.1 to 10 parts by weight of at least one photoinitiator, and D optionally 0.1 to 200 parts by weight of at least one additive,
based in each case on the radiation-activatable polymerizable composition, where the parts by weight of components A and B add up to 100, wherein the film former component A comprises or consists of at least one polyurethane polymer and method of joining two components with the pressure-sensitive adhesive tape.

Provided is a urethane adhesive composition for a touch panel having a glass transition temperature between 20 C. to 50 C., and which, as a cured composition, has an elasticity of 50,000 Pa to 70,000 Pa at 60 C. to 80 C.

An adhesive composition including predominantly one or two polyamide(s) having units chosen from: at least one unit denoted A with a mean number of carbon atoms per nitrogen atom, denoted CA, ranging from 4 to 8.5, advantageously from 4 to 7; at least one unit denoted B with a mean number of carbon atoms per nitrogen atom, denoted CB, ranging from 7 to 10, advantageously from 7.5 to 9.5; at least one unit denoted C with a mean number of carbon atoms per nitrogen atom, denoted CC, ranging from 9 to 18, advantageously from 10 to 18, and to the use thereof.

The present invention provides an optically clear adhesive sheet using a heat-curable polyurethane composition, wherein the optically clear adhesive sheet can, when bonded to an adherend such as a glass plate, prevent the occurrence of air bubbles even at high temperature and normal humidity and maintain a stable bonded interface. The optically clear adhesive sheet of the present invention is an optically clear adhesive sheet containing: a cured product of a heat-curable polyurethane composition, the heat-curable polyurethane composition containing a polyol component and a polyisocyanate component, the polyol component having an olefin skeleton, the polyisocyanate component containing an acyclic aliphatic polyisocyanate and/or an alicyclic polyisocyanate.

Embodiments of laminated structures include a first film comprising a first polyolefin; an intermediate layer comprising a laminate adhesive, and a second film comprising a second polyolefin. The laminated structures exhibit excellent elastic recovery properties, ensuring that the laminated structure can adapt and hold to the shape of the packaged product.

The present disclosure provides a multi-layered anisotropic conductive adhesive including an upper conductive adhesive layer, a conductive fabric layer with two sides and a lower conductive adhesive layer, wherein one side of the conductive fabric layer is plated with metal, and the total thickness of the multi-layered anisotropic conductive adhesive is 40 to 60 m. In the application of a flexible printed circuit, reinforced parts, formed by laminating multi-layered anisotropic conductive adhesive with steel or polyimide-type stiffener, can effectively prevent the deformation of installed parts due to warping, and ensure the good hole filling, good direct grounding effect, and good shielding performance. Therefore, the multi-layered anisotropic conductive adhesive of the present disclosure has good electrical properties, good adhesive strength, better tin soldering, reliability and flame resistant. The disclosure further provides a method of producing the multi-layered anisotropic conductive adhesive.

The present invention relates to a self-adhesive article comprising a support layer of foam or similar type and an adhesive layer obtained by cross-linking an adhesive composition. The present invention also relates to a mixture of at least two polymers suitable for use for the manufacture of the self-adhesive article as well as an adhesive composition comprising said mixture of at least two polymers according to the invention.

A film and a flexible metal-clad laminate obtained with the film. The laminate is improved in post-moisture absorption solderability. The film comprises a heat-resistant polyimide film and, disposed on at least one side thereof, an adhesive layer containing a thermoplastic polyimide. It is characterized in that the thermoplastic polyimide contained in the adhesive layer has crystallinity and that the film, when analyzed with a differential scanning calorimeter, has an endothermic peak attributable to the melting of the crystalline thermoplastic polyimide, the absolute value of the area of the peak being 4.0 mJ/mg or larger. The flexible metal-clad laminate is characterized by comprising the film and a metal layer disposed thereon.