A mat and a method for manufacturing the same are provided. The mat includes a first foam layer, a second foam layer and a third foam layer. The first foam layer has a first hardness and a first porosity. The second foam layer is connected with the first foam layer and has a second hardness and a second porosity larger than the first porosity. The third foam layer is connected with the second foam layer and has a third hardness and a third porosity smaller than the first porosity. The second foam layer includes a first connecting surface facing the first foam layer and a second connecting surface facing the third foam layer. The contact area between the first connecting surface and the first foam layer is different from the contact area between the second connecting surface and the third foam layer.

The instant invention relates to an industrial fabric for producing a textured product, wherein the industrial fabric has a first layer, such as a woven base fabric, and a second layer, such as a film, that extends over at least a portion of a top surface of the first layer. The second layer has macro voids and micro voids. In certain embodiments, the macro voids impart a texture in a fiber product produced on the industrial fabric, whereas the micro voids limit or prevent penetration of the fibers of the product into the micro voids while at the same time increasing permeability of the industrial fabric.

A porous liquid crystal polymer sheet and a wiring circuit board have excellent handleability and excellent low repulsive properties. The porous liquid crystal polymer sheet 1 has a porosity P of 20% or more and 90% or less. The porous liquid crystal polymer sheet 1 has a thickness T of 1 μm or more and 240 μm or less.

Articles and insulating systems include a wicking layer, an incompressible insulation layer, and a water scavenging system comprising a superhydrophobic layer in operative communication with one or more water collecting components.

The present disclosure provides a method of making an additive manufactured article. The method includes: a) attaching a multilayer structure (300, 500) to a build platform (210); b) selectively curing a photocurable composition (219) that is in contact with a porous layer (330, 530) of the multilayer structure, thereby forming an object attached to the porous layer; and c) separating the object from the build platform. The multilayer structure includes an adhesive layer (310, 510), an impermeable layer (320, 520) attached to the adhesive layer, and a porous layer (330, 530) attached to the impermeable layer. The adhesive layer of the multilayer structure is attached to the build platform. The present disclosure also provides an object made by the method, and the multilayer article used in the method. Use of the multilayer article assists in improving adhesion between the build platform and the object.

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.

The present invention relates to an adhesive sheet laminate which comprises a substrate layer composed of a thermoplastic resin composition (A) containing a polypropylene-based resin as a main component, an adhesive layer composed of a thermoplastic resin composition (B) containing a specific thermoplastic resin (b) as a main component and having a melt flow rate of 0.1 to 30 g/10 min, and a release layer composed of a thermoplastic resin composition (C) containing a specific thermoplastic resin (c) as a main component and having a melt flow rate of 0.1 to 30 g/10 min, and which has a tensile elastic modulus of 2000 MPa or more.

According to an aspect of the present disclosure, A method of manufacturing a composite member including an aluminum member and a resin member that are bonded to each other, the method including: blasting on a surface of the aluminum member to form asperities on the surface of the aluminum member; performing hydrothermal treatment on the surface of the aluminum member having the asperities to modify a surface of the asperities into aluminum hydroxide and form a surface nano structure on the surface of the asperities; applying a binder containing a triazine thiol derivative to the surface of the asperities of the aluminum member modified into aluminum hydroxide and having the surface nano structure to form a coating to be bonded to the aluminum member; and bonding the coating and the resin member.

A colored resin sheet includes a resin and a colorant dispersed in the resin, and has an average value of visible light transmittances for a red range of a wavelength of 680 to 780 nm, of 50% or more. The colored resin sheet has a combination of a lightness L* value and an average value of light transmittances for an entire visible light range of a wavelength of 380 to 780 nm, respectively, of: a) 15 or less, and 15% or more; b) greater than 15 and less than or equal to 35, and 25% or more; or c) greater than 35 and less than or equal to 60, and 40% or more. A leather-like sheet includes a colored resin layer and a surface having a lightness L* value of 40 or less, and has an average value of visible light transmittances for the red range, of 5% or more.

A resin sheet includes a porous structure. The porous structure is configured to adjust transmission of a millimeter wave. The porous structure has a relative permittivity varying in stages in a thickness direction of the resin sheet from a plane on which the millimeter wave is incident, the relative permittivity varying such that a difference between average relative permittivities in two adjacent layer portions is a predetermined value or less, the layer portions each having a particular thickness smaller than a wavelength of the millimeter wave. The porous structure has, as pores, only pores each having a pore diameter equal to or less than 10% of the wavelength of the millimeter wave.