A translucent or transparent composite flexible sheet includes at least one reinforcing layer comprising high tenacity yarns; and a fluorinated polymeric film which is translucent or transparent to visible light, which is integral with the reinforcing layer. The reinforcing layer is a textile with a light transmittance of more than 40%, and includes high tenacity yarns based on an aromatic block polyester with a Young's modulus of more than 50 GPa. The yarns have a sheath of material which blocks ultraviolet radiation.

The present disclosure relates generally to polymer structures, for example, suitable for construction products. The present disclosure relates more particularly to a thermoplastic construction product including a coextruded layer structure having a base layer including a first thermoplastic material, an outer layer including a second thermoplastic material, and an infrared-reflective intermediate layer that is coextruded with the base layer and the outer layer and is disposed between the base layer and the outer layer. In some embodiments the intermediate layer has a thickness of at least 30 micrometers. In some embodiments the infrared-reflective intermediate layer includes a reflective pigment dispersed in a matrix of one of the first thermoplastic material or the second thermoplastic material.

3D printers and novel polymeric laminates for use in 3D printers. The novel laminates comprise a first layer composed of a PMP polymer, a PPO polymer or the like and a second layer composed of an amorphous fluoropolymer.

A composite cooling film including a reflective nonporous inorganic-particle-filled organic polymeric layer, an ultra-violet-protective layer or layers, and an antisoiling layer.

A photovoltaic module includes at least one solar cell, an encapsulant encapsulating the at least one solar cell, a frontsheet juxtaposed with the encapsulant, and backsheet juxtaposed with the encapsulant. The frontsheet includes a glass layer, a polymer layer attached to the glass layer, and an adhesive layer attaching the polymer layer to the glass layer. The backsheet includes a single-layer, moisture-resistant, fire-retardant membrane.

A coating film obtained from a composition containing a polyaspartic acid ester and a fluoropolymer. Also disclosed is fluorine-containing coating film including a urethane bond and a urea bond, and exhibiting a corrosion from scribe of 1 mm or shorter. Both coating films have a thickness of 100 to 1000 μm. Also disclosed is a laminate including a base and one or the other of the coating films.

A metal resin composite-molded article which can suppress deformation induced by laser processing in a technique for improving the adhesion between a metal plate and a resin by forming grooves on the surface of the metal plate by means of a laser, even if the metal plate is thin. A metal resin composite-molded article obtained by insert-molding a resin composition on a metal plate having a thickness of 500 μm or less, grooves are formed on the surface of the metal plate in which the resin composition is inserted, the width of the grooves is 30-300 μm, the depth of the grooves is at most 24% of the thickness of the metal plate, and the ratio of the width to the depth is 0.1-2.5.

A molded product having both small specific gravity and high stiffness and also suffering few sink marks is described along with a method for the production thereof, where the molded product includes a porous body (A) integrated with an injection molded body (B), the porous body (A) having an apparent density of 0.05 to 0.8 g/cm.sup.3, the average thickness (tA) of the porous body (A) and the average thickness (tB) of the injection molded body (B) satisfying the relation tA≥3×tB, and the injection molded body (B) covering at least one face of the porous body (A).

A multilayer article comprising at least a first layer of a thermoplastic polyurethane (TPU) resin composition, a second layer of a TPU resin composition and a core layer between the first layer and the second layer, the core layer comprising a barrier resin composition, wherein the barrier resin composition comprises an ethylene vinyl alcohol copolymer (EVOH) (A), a hydroxyl group containing compound (B) having a molecular weight of 200 or less, a ratio of a number of hydroxyl groups in one molecule relative to the molecular weight within a range of form 0.02 to 0.03, and a melting point of from about 23° C. to about 200° C., and a fatty acid metal salt (C), the multilayer article having good elasticity, stretchability and barrier properties suitable for use in chemical suits and gloves.

Polytetrafluoroethylene (PTFE) composite articles that have a macro textured surface. The composite articles include at least two different PTFE membranes in a layered or stacked configuration. The composite article has a macro textured surface characterized by a plurality of strands raised from the surface of the PTFE membrane. The strands may be formed of either interconnected nodes of PTFE or of at least one nodal mass of PTFE and have a length equal to or greater than about 1.5 mm. The macro textured surface provides a topography to the first PTFE membrane. The composite articles have a bubble point from about 3.0 psi to about 200 psi, a thickness from about 0.01 to about 3.0 mm, and a bulk density from about 0.01 g/cm.sup.3 to about 1.0 g/cm.sup.3.