The present disclosure provides a polymeric membrane. The polymeric membrane includes a first thermoplastic elastomer layer that comprises a styrenic thermoplastic. The thermoplastic elastomer layer has a foam structure. The polymeric membrane can further include an optional second thermoplastic elastomer layer in contact with the first polyolefin layer.

The present disclosure provides a polymeric membrane. The polymeric membrane includes a first thermoplastic elastomer layer. The thermoplastic elastomer is a styrenic thermoplastic. The polymeric membrane can further include an optional second thermoplastic elastomer layer in contact with the first polyolefin layer.

A method of manufacture of a coated material is provided. A polyvinyl alcohol polymer, where the polyvinyl alcohol polymer has a degree of hydrolysis of 90% or greater and a melting point in the range of 180° C. to 225° C. is melted on a cellulosic substrate and extruded to form a molten polyvinyl alcohol polymeric film which is then applied directly to the surface of the substrate to form the coated material.

A composite panel structure of a polymer matrix core sandwiched by metal layers is described. The polymer matrix comprises 1-30 wt % fluoropolymer and 70-99 wt % of a flame retardant mineral. The fluoropolymer may be polyvinylidene fluoride (PVDF) with a high limiting oxygen index, which confers fire resistance properties to the polymer matrix and the composite panel structure. The composite panel structure may be used on the exterior of buildings and may fulfill building code requirements for the polymer matrix core being noncombustible as determined by ASTM E136 and CAN/ULC S114 compliance.

An insulation structure includes: a first resin layer including first fillers; a second resin layer on the first resin layer and including second fillers; and a third resin layer on the second resin layer and including third fillers. A diameter of each of the first fillers may be more than about 200 nm and equal to or less than about 500 nm. A diameter of each of the second fillers may be more than about 10 nm and equal to or less than about 200 nm. A diameter of each of the third fillers may be equal to or less than about 10 nm. An arithmetic average roughness (Ra) and a ten point average roughness (Rz) of a surface of the insulation structure may be equal to or less than about 30 nm and equal to or less than about 100 nm, respectively.

An improved backsheet used in the construction of solar panels is disclosed. A method of manufacturing the backsheet and solar panel comprising the backsheet are also disclosed. Additionally, a photovoltaic solar panel module comprising the backsheet is disclosed. The backsheet may comprise a polymeric material that is produced in such a way that multiple functionalities are imparted into the material for outstanding performance and endurance in a solar module. The invention is further directed to a method for producing backsheets comprising such polymeric materials, and a solar cell incorporating such a backsheet. The backsheet may comprise a mono layer or multilayers in various embodiments. The backsheets improve upon the efficiency, strength, weather resistance, cost, and useful life of the solar panels in which the backsheets are incorporated.

Improved separator film compositions, methods and systems for use in producing thermoformed dental appliances are disclosed.

Open cell foam compositions are provided including a thermoplastic polymeric matrix and at least one filler. In some embodiments of the foam compositions, the filler includes nepheline syenite. Methods of making the foam compositions are described, the methods including (a) obtaining a composite materials containing a first thermoplastic polymer having a filler component and a blowing agent distributed therein; (b) coextruding the composite material with a second thermoplastic polymer and a third thermoplastic polymer to form a three-layer composition, wherein the three-layer composition includes a middle layer comprising an open cell foam formed from the foam composition, and the middle layer is disposed between the first and the second outer layers formed from the second and the third thermoplastic polymers, respectively; and (c) separating the middle layer from each of the first and the second outer layer. The first thermoplastic polymer is different from the second and the third thermoplastic polymers.

A method of making a wet friction material includes joining filler particles and fibers together and forming a base; coating an outer surface of the base with a quaternary ammonium salt containing solution; and drying the quaternary ammonium salt containing solution to form a quaternary ammonium salt containing coating on the outer surface of the base.

An electronic device is provided. The device comprises a singulated carrier portion, a substrate molded onto the singulated carrier portion, and conductive traces disposed on the substrate. The substrate comprises a polymer composition that includes a thermotropic liquid crystalline polymer, a mineral filler, wherein the polymer composition exhibits an in-plane thermal conductivity of about 1 W/m-K or more as determined in accordance with ASTM E1461-13.