An electromagnetic interference shielding film includes an insulation layer, a first adhesive layer, a porous metal layer and a conductive adhesive layer including a plurality of conductive particles. The first adhesive layer is located between the insulation layer and the porous metal layer, and the porous metal layer is formed on the first adhesive layer, and making the first adhesive layer locate between the porous metal layer and the insulation layer. The conductive adhesive layer is located on the porous metal layer so that the porous metal layer is located between the first adhesive layer and the conductive adhesive layer. The present invention further provides a preparation method thereof.

An electronic device housing, and an electronic device including the same are provided. The electronic device housing includes a substrate including glass, an insert portion which is bonded to the substrate at a surface of the insert portion, and at which a functional component of an electronic device having the electronic device housing is disposed, and an elastic layer which is between the substrate and the insert portion and extends along the surface of the insert portion.

The present invention relates to a transparent, peelable polyester film incorporating at least one biaxially oriented polyester film (=base layer (B)) and at least one peelable covering layer (A) coated offline thereon, in which the covering layer (A) is at least 85 wt. % made up of a polyester of aromatic and aliphatic dicarboxylic acids and aliphatic diols, and the arithmetic mean value of the absolute ordinate values S.sub.b of the covering layer (A) is less than 300 nm and the reduced peak height S.sub.pk of the covering layer (A) is less than 700 nm. The invention further relates to a production process for this peelable film and use thereof as sealing film for APET and/or RPET meal trays.

Disclosed herein is a multilayered tape comprising a first layer; where the first layer comprises a first surface and second surface; the first surface of the first layer having a surface texture; a second layer; the second layer having a first surface and a second surface; where the first surface of the second layer is closer to the second surface of the first layer than the second surface of the second layer; where the second surface of the second layer contains at least one partition that is parallel to a longitudinal direction of the multilayered tape.

The present disclosure provides a composition containing a polymeric blend. The polymeric blend contains (A) from 50 wt % to 90 wt % of a first ethylene-based polymer having a density from 0.895 g/cc to 0.905 g/cc; and a melt index from 0.1 g/10 min to 50 g/10 min; (B) from 8 wt % to 48 wt % of a second ethylene-based polymer having a density from 0.935 g/cc to 0.967 g/cc; and a melt index from 0.1 g/10 min to 180 g/10 min; and from 0.01 wt % to 2.0 wt % of a slip agent, based on the total weight of the polymeric blend. The polymeric blend has (i) an overall density from 0.900 g/cc to 0.925 g/cc; and (ii) a coefficient of friction (COF) after aging for 1 week at 60° C. from 0.001 to 0.400. The present disclosure also provides a multilayer film with a first layer containing the composition.

The invention relates to a film comprising at least one first layer consisting of a heterophasic propylene copolymer composition comprising a heterophasic propylene copolymer, wherein the heterophasic propylene copolymer is present in an amount of at least 95 wt % based on the heterophasic propylene copolymer composition, wherein the heterophasic propylene copolymer consists of a) a propylene-based matrix wherein the propylene-based matrix consists of a propylene homopolymer and b) a dispersed ethylene α-olefin copolymer, wherein the sum of the weight of the propylene-based matrix and the weight of the dispersed ethylene-α-olefin copolymer is 100 wt % based on the heterophasic propylene copolymer, wherein the amount of xylene-soluble matter (CXS) in the heterophasic propylene copolymer composition is in the range from 20.0 to 35.0 wt % based on the heterophasic propylene copolymer composition, wherein the CXS is measured according to ISO 16152:2005 in p-xylene at 25° C.

The present invention relates to a polyvinyl acetal resin film, comprising a polyvinyl acetal resin material, wherein the polyvinyl acetal resin film has a thickness of 5 to 350 μm, and satisfies the following Formulae (1) and (2) where, comparing one surface and the other surface, a mean value of the 10-point average roughness of a rougher surface A and a mean value of the 10-point average roughness of a smoother surface B are defined as Rz1(a) μm and Rz2(a) μm, respectively:
Rz1(a)>1.1×Rz2(a)  (1)
3>Rz2(a)  (2), a value obtained by dividing the standard deviation of the 10-point average roughness of the surface A by Rz1(a) and a value obtained by dividing the standard deviation of the 10-point average roughness of the surface B by Rz2(a) are each 0 to 0.30, a viscosity of a toluene/ethanol (1:1, mass ratio) solution containing 10%-by-mass of a polyvinyl acetal resin contained in the polyvinyl acetal resin material, which is measured at 20° C. and 30 rpm using a Brookfield-type (B-type) viscometer, is 100 to 1,000 mPa.Math.s, and the amount of a plasticizer in the polyvinyl acetal resin film is 0 to 20% by mass based on a total mass of the polyvinyl acetal resin film.

A biaxially stretched polyester film and a method for producing the same are provided. The biaxially stretched polyester film includes a polyester resin base layer and a matte layer. The polyester resin base layer includes: (1) 50 to 95 wt % of a polyester resin base material, and an intrinsic viscosity of the polyester resin base material being between 0.5 and 0.8 dL/g; and (2) 0.01 to 5 wt % of a high viscosity polyester resin material, and an intrinsic viscosity of the high viscosity polyester resin material being between 0.9 and 1.1 dL/g. The matte layer includes: (1) 50 to 95 wt % of a polyester resin matrix material, and an intrinsic viscosity of the polyester resin matrix material being between 0.5 and 0.8 dL/g; and (2) 0.3 to 40 wt % of a plurality of filler particles, and the filler particles having an average particle size of between 0.15 μm and 10 μm.

Embodiment relates to film for bonding, and a light-transmitting laminate including the same and the like, a film for bonding comprising an embossed surface, wherein the embossed surface has an A2/A1 value of 1 or less are disclosed. A film for bonding have improved in deairing stability during formation of a light transmitting laminate, an edge sealing characteristic, and the like by controlling characteristics of a embossed surface.

Provided are a multilayer body in which base materials composed of a metal, a resin or the like are firmly bonded to each other even when not subjected to primer treatment or the like, and a method for producing the multilayer body. The multilayer body has a base material (X), an adhesive layer (Y), and a base material (Z) in this order, wherein the adhesive layer (Y) contains a hydrogenated block copolymer (A) obtained by hydrogenating a block copolymer (P) containing a polymer block (a) composed of a structural unit derived from an aromatic vinyl compound and a polymer block (b) composed of a structural unit derived from a conjugated diene, the mass ratio [(a)/(b)] of the polymer block (a) to the polymer block (b) is 1/99 to 50/50, and the adhesive layer (Y) has a storage modulus G′ at 100° C. of 1.2×10.sup.5 to 4.0×10.sup.5 Pa.