Provided is a functional laminate including a porous intermediate layer having air permeability laminated between a porous surface layer and a resin foamed layer, the porous intermediate layer having an affinity to a foaming resin forming the resin foamed layer.

The present invention is directed to an acoustic ceiling panel having a first major exposed surface opposite a second major exposed surface, the acoustic ceiling panel comprising: a first layer having an upper surface opposite a lower surface, the first layer comprising: a first body comprising a first major surface opposite a second major surface and a side surface extending between the first and second major surfaces, the first body being air-permeable; and a first attenuation coating applied to the first body; a second layer having an upper surface opposite a lower surface, the second layer comprising: a second body comprising a first major surface opposite a second major surface and a side surface extending between the first and second major surfaces, the second body being air-permeable; and a second attenuation coating applied to the second body; and an adhesive present between the first and second layers.

A laminate countertop with a curved edge profile includes a base support including a synthetic polymer material. The synthetic polymer material can be a closed-cell polymer foam. The base support includes a top surface, a bottom surface, opposing longitudinal sides, at least one of which comprises the curved edge profile, and opposing latitudinal sides. The countertop also includes a laminate cover formed from a cured resin material adhered to and covering at least a portion of the top surface and at least a portion of the curved edge profile of the base support. A method for forming the laminate countertop includes steps of providing the base support and adhering the laminate cover over at least a portion of the top surface and a portion of the curved edge profile of the base support.

Textile composites for garments including footwear uppers and footwear comprising the same that provide protection from flame and liquid water whilst at the same time being lightweight and flexible for the wearer. The textile composite comprises a microfiber outer layer; a nonwoven layer, and in some embodiments a porous polymeric membrane on a support layer.

A wind turbine component, the wind turbine component comprising a laminate of layers with an outer side and an inner side, wherein the outer side faces an exterior of the wind turbine component and the inner side faces an interior of the wind turbine component, the laminate of layers being configured to reflect a radar wave impinging the outer side of the laminate of layers, wherein a reflection loss of the reflected radar wave is below a threshold at a frequency, the laminate of layers comprising: an attenuating layer comprising reinforcing fiberglass or reinforcing carbon fibers, a polymer matrix, and radar absorbing particles; a reflective layer arranged on the inner side of the attenuating layer, the reflective layer being configured to reflect a transmitted portion of the radar wave, the transmitted portion of the radar wave being a portion of the radar wave that has passed through the attenuating layer.

Disclosed is a preparation method for a copper clad laminate comprising: (1) dissolving a polymer in an organic solvent, heating and stirring to obtain a pre-impregnation liquid; (2) impregnating a liquid crystal polymer cloth in the pre-impregnation liquid, and drying to obtain a liquid crystal polymer impregnated cloth; and (3) laminating the liquid crystal polymer impregnated cloth and a copper foil to prepare the copper clad laminate, wherein the polymer in step (1) is at least one selected from the group consisting of fully aromatic polyesteramide, epoxy resin, and polyimide; and the liquid crystal polymer cloth in step (2) is prepared from a liquid crystal polymer having a melting point greater than 280° C., a dielectric constant less than 3.2, and a dielectric loss tangent angle less than 0.0025. The preparation method for the copper clad laminate has a simple preparation process and a low manufacturing cost.

An uncoated nonwoven fibrous mat having a reduced air porosity is disclosed comprising a first plurality of fibers having a length between about 10 mm and 20 mm and an average diameter between about 9 μm and 15 μm; a second plurality of fibers having a length between about 3 mm and 8 mm and an average diameter between about 5 μm and 8 μm; and a binder composition. The uncoated nonwoven fibrous mat has an air porosity less than about 550 CFM.

A floor covering including a flexible underfloor having at least one foamed polymer layer; one or more sheet vinyl floor elements or LVT floor elements, one or more LVT floor elements, or one or more rigid LVT floor elements, an adhesive layer that bonds the underfloor and the floor element to one another.

The present disclosure relates to a shaft for athletic activities comprising, along at least a part of the length of the shaft: an internal wall (31) made of a first fiber-reinforced composite; and an external wall (30), fixed to the internal wall, and made of a second fiber-reinforced composite, wherein one or more cavities (32A, 32B, 32C) are present between the internal wall and the external wall.

The present invention provides a fiber-reinforced-resin composite molded article including: a rigid layer that is formed of a fiber-reinforced-resin material for a rigid layer; a shaping layer that is formed, at least on one side of the rigid layer, of a shaping-layer compound composed of a thermosetting resin and fibers that are shorter than fibers contained in the fiber-reinforced-resin material for a rigid layer; and a cured resin being formed of a liquid-state resin that is deposited on the surface of the shaping layer. The fiber-reinforced-resin composite molded article has a structure in which the fiber-reinforced-resin material for a rigid layer, the shaping-layer compound, and the liquid-state resin are cured under heat and pressure in a layered state.