Systems and methods for radiative cooling and heating are provided. For example, systems for radiative cooling can include a top layer including one or more polymers, where the top layer has high emissivity in at least a portion of the thermal spectrum and an electromagnetic extinction coefficient of approximately zero, absorptivity of approximately zero, and high transmittance in at least a portion of the solar spectrum, and further include a reflective layer including one or more metals, where the reflective layer has high reflectivity in at least a portion of the solar spectrum.

Provided is a material with improved surface hardness and abrasion resistance of a plastic substrate and a process for manufacturing the same. A plastic laminate including a plastic substrate and a hard coat layer formed on the plastic substrate, wherein the hard coat layer consists of a cured film of a hard coat agent including at least a polysilazane compound and nano-silica having an average particle size of 20 to 100 nm, wherein a continuous hardness difference is provided between the plastic substrate side of the hard coat layer and the surface layer side opposite thereto.

A resin composition according to the present invention contains a cyanate compound (A). Further, the resin composition according to the present invention contains a maleimide compound (B) and/or an epoxy resin (C); and primary hexagonal boron nitride particles (D) having an average aspect ratio of 4 to 10.

Adhesion-promoting compositions containing organic titanates and/or organic zirconates and the use of the adhesion-promoting compositions to provide adhesion-promoting layers to enhance adhesion between metal substrates and an overlying free radical-polymerized sealant are disclosed.

A dental article such as a dental tray aligner or a dental crown that includes a substrate including a polymeric material having a modulus of elasticity that reduces upon exposure to water and a water-resistant coating on the substrate, where the water-resistant coating comprises parylene. In some examples, the water-resistant coating may include one or more layers that include parylene.

Precursors, and methods for manufacturing perforated composite parts, an exemplary precursor including structural fibers embedded in a cured matrix material and interposed between two removable plies, where the precursor may also have a sacrificial fiber extending through the removable plies, the matrix material and between the structural fibers.

A method for producing a multi-layered wet friction material includes providing a bottom layer, providing a top layer produced independently of the bottom layer from different materials, and bonding the bottom layer to the top layer. The bottom layer and the top layer may be produced from different formulations and supplied as raw papers. A formulation of the top layer may include twenty to sixty percent (20%-60%) filler, ten to forty percent (10%-40%) wood pulp, five to ten percent (5%-10%) aramid, and twenty-five to thirty-five percent (25%-35%) phenolic resin. A formulation of the bottom layer may include ten to fifty percent (10%-50%) filler, ten to forty percent (10%-40%) wood pulp, five to ten percent (5%-10%) aramid, five to fifteen percent (5%-15%) carbon, and twenty-five to thirty-five percent (25%-35%) phenolic resin.

Unique insulation articles including corrosion inhibitors and methods of producing the same are disclosed. One exemplary embodiment is an article of manufacture comprising an insulation mat comprising a cured combination of a plurality of randomly oriented fibers and a binder, the insulation mat extending between a first surface and a second surface, a veil attached to the first surface, the veil structured to inhibit physical movement of the cured combination through the veil, a metal sheet attached to the second surface by a water-containing adhesive contacting the metal sheet and the second surface, and a corrosion inhibitor composition deposited on the cured combination of the insulation mat, the corrosion inhibitor composition being effective to modify toward neutral a pH of the cured combination in contact with water from the water-containing adhesive.

Provided is a material with improved surface hardness and abrasion resistance of a plastic substrate and a process for manufacturing the same.

A plastic laminate including a plastic substrate and a hard coat layer formed on the plastic substrate, wherein the hard coat layer consists of a cured film of a hard coat agent including at least a polysilazane compound and nano-silica having an average particle size of 20 to 100 nm, wherein a continuous hardness difference is provided between the plastic substrate side of the hard coat layer and the surface layer side opposite thereto.

A flexible conductive or electronic device comprising a polymer base, a poly-para-xylylene layer which is bonded to the polymer base by a first adhesive layer and a conductive layer which is bonded to the poly-para-xylylene layer by a second adhesive layer.