The invention relates to a sealing material (1) having a first layer (2) which is formed by a textile fabric made of synthetic fibers (22) and has a thickness d1, and a second layer (3) which is formed by an adhesive material and has a thickness d2, wherein the two layers (2, 3) of the sealing material (1) penetrate one another when a force is applied perpendicularly to the extension of the layers (2, 3), such that a sealing layer (1′) is formed having a thickness D where 0.9.Math.d1≤D≤1.1.Math.d1.

Provided are an adhesive film and an optical member comprising same, the adhesive film comprising at least two types of (meth)acrylic monomers for a (meth)acrylic prepolymer, and (meth)acrylate containing silicon, wherein the release force of the adhesive film with respect to a polyimide film is approximately 0.5 gf/in to 5 gf/in.

The invention relates to a reinforcement member comprising a heatcurable structural adhesive on a carrier member, wherein the carrier member comprises a fiber-reinforced polyester material. The invention further relates to a method to produce such a reinforcement member and its use.

A composition is described comprising semicrystalline polylactic acid polymer; polyvinyl acetate polymer having a glass transition temperature (Tg) of at least 25° C.; plasticizer; and optionally amorphous polylactic acid polymer. In another embodiment the composition further comprises nucleating agent. Also described are films comprising the composition as well as articles, such as a tape or sheet, comprising the film described herein and a layer of pressure sensitive adhesive disposed on the film.

A label as shown and described herein. The label may include a label substrate, an adhesive adjacent the substrate, and a liner adjacent the adhesive, such that the adhesive is disposed between the label substrate and the liner, and wherein the label substrate is embossed or debossed, and the liner is not embossed or debossed.

The invention relates to a wash-off label. According to an embodiment, the face film of the wash-off label comprises biaxially oriented plastic film and configured to shrink asymmetrically so that a difference between the shrinkage of the film in machine direction and in transverse direction is at least 55%, when exposed to washing liquid comprising caustic soda and having temperature in the range of 65-85° C. for equal or less than 5 minutes. The invention further relates to a use of the wash-off label and to a labelled article.

The present application provides a pressure-sensitive adhesive layer comprising at least first and second regions having different physical properties, wherein the difference in physical properties, such as an elastic modulus or creep strain rate is maintained relatively large for each region, and the difference in physical properties, such as a peel force or recovery rate is maintained relatively small for each region.

An adhesive composition comprising an acrylic first polymer having a glass transition temperature of 0° C. or less, a second polymer comprising a unit derived from a monomer represented by the following Chemical Formula 1 and Chemical Formula 2 or Chemical Formula 3, and a crosslinking agent, and an adhesive film comprising the same are provided.

The present disclosure provides a speaker diaphragm and a speaker. The diaphragm includes two surface layers compounded together and at least one intermediate layer located between the two surface layers, wherein at least one of the surface layers is a thermoplastic polyester elastomer film layer, at least one of the intermediate layers is an adhesive layer, a thermoplastic polyester elastomer is a copolymer composed of a polyester hard segment A and a polyether or aliphatic polyester soft segment B, a thickness of the thermoplastic polyester elastomer film layer is 5-70 μm, and a thickness of the adhesive layer is 1-40 μm.

The present application may provide a flexible device comprising a pressure-sensitive adhesive layer comprising at least first and second regions having different physical properties, wherein the difference in physical properties, such as an elastic modulus or creep strain rate, which are advantageous as the difference in physical properties between the regions increases, is maintained relatively large for each region, and the difference in physical properties, such as a peel force or recovery rate, which are advantageous as the difference in physical properties between the regions decreases, is maintained relatively small for each region.