The invention relates to adhesive strips consisting of at least four, particularly precisely four layers, comprising: a layer A having an upper side and a lower side consisting of a foamed adhesive substance containing a self-adhesive acrylate substance; a layer B consisting of a film carrier, layer B being arranged on the lower side of layer A, at least the main surface which faces layer A, preferably both main surfaces of the film carrier, being etched, the surface of layer A and the surface of layer B being in direct contact with each other; a layer C consisting of a self-adhesive substance, arranged on the upper side of layer A and containing a self-adhesive acrylate substance; and a layer D consisting of a self-adhesive substance, arranged on the side of layer B opposite layer A and containing a self-adhesive acrylate substance.

The invention relates to adhesive strips consisting of at least four, particularly precisely four layers, comprising: a layer A having an upper side and a lower side consisting of a foamed adhesive substance containing a self-adhesive acrylate substance; a layer B consisting of a film carrier, layer B being arranged on the lower side of layer A, at least the main surface which faces layer A, preferably both main surfaces of the film carrier, being etched, the surface of layer A and the surface of layer B being in direct contact with each other; a layer C consisting of a self-adhesive substance, arranged on the upper side of layer A and containing a self-adhesive acrylate substance; and a layer D consisting of a self-adhesive substance, arranged on the side of layer B opposite layer A and containing a self-adhesive acrylate substance.

A multilayer adhesive sheet, an optical member including the same, and a display apparatus including the same are provided. A multilayer adhesive sheet includes: a base layer; a first adhesive layer stacked on a surface of the base layer; and a second adhesive layer stacked on another surface of the base layer, and the base layer includes a polyurethane-based film manufactured by solution casting and has a storage modulus of 700 MPa to 1,500 MPa at −20° C. and a storage modulus of 10 MPa to 100 MPa at 85° C.

The present invention refers to a method for producing preferably water-based polymeric compositions, preferably dispersions (i.e. latices), which are particularly useful as or in adhesives, especially pressure-sensitive adhesives (PSAs), particularly pressure-sensitive adhesives removable under neutral or basic (i.e. alkaline) conditions, as well as to the polymeric compositions thus produced and to their various applications, including the copolymers comprised by these polymeric compositions.

The present invention refers to a method for producing preferably water-based polymeric compositions, preferably dispersions (i.e. latices), which are particularly useful as or in adhesives, especially pressure-sensitive adhesives (PSAs), particularly pressure-sensitive adhesives removable under neutral or basic (i.e. alkaline) conditions, as well as to the polymeric compositions thus produced and to their various applications, including the copolymers comprised by these polymeric compositions.

The present invention relates to an adhesive composition containing a base polymer and a moisture-curable component, wherein the base polymer contains a polymer having no functional group which reacts with the moisture-curable component, and a water content of the base polymer after storage at 25° C. and 50% RH for 24 hours is 0.1% by weight or less, and wherein the moisture-curable component is contained in an unreacted state, an adhesive layer made from the adhesive composition, and an adhesive sheet including the adhesive layer.

The present invention relates to an adhesive composition containing a base polymer and a moisture-curable component, wherein the base polymer contains a polymer having no functional group which reacts with the moisture-curable component, and a water content of the base polymer after storage at 25° C. and 50% RH for 24 hours is 0.1% by weight or less, and wherein the moisture-curable component is contained in an unreacted state, an adhesive layer made from the adhesive composition, and an adhesive sheet including the adhesive layer.

The present invention relates to an adhesive composition containing a base polymer and a moisture-curable component, wherein the base polymer contains a polymer having no functional group which reacts with the moisture-curable component, and a water content of the base polymer after storage at 25° C. and 50% RH for 24 hours is 0.1% by weight or less, and wherein the moisture-curable component is contained in an unreacted state, an adhesive layer made from the adhesive composition, and an adhesive sheet including the adhesive layer.

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.

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.