A polymer pre-laid waterproof rolling material, comprising a polymer base material layer, a pressure-sensitive adhesive layer on the polymer base material layer, and a sand anti-sticking layer on the pressure-sensitive adhesive layer; the pressure-sensitive adhesive layer includes: 25-35 parts by mass of a styrene-isoprene-styrene block copolymer; 32-38 parts by mass of a C5 petroleum resin; 5-12 parts by mass of a 145 pentaerythritol modified rosin resin; 25-32 parts by mass of a naphthenic oil; 0.3 parts by mass of an antioxidant; and 0.5 parts by mass of a UV light stabilizer; the C5 petroleum resin has a softening point of 95-105° C. and a color number of less than 4; the naphthenic oil has a kinematic viscosity of 9-11 mm.sup.2 at 100° C. and a density of 0.8950 g/cm.sup.3-0.9100 g/cm.sup.3 at 20° C. The pressure-sensitive adhesive layer has a stronger bonding effect with sintered sand and further improves the bonding effect with concrete.

The present disclosure relates to insulation. Various embodiments thereof may include a solid insulation material and/or a formulation for production of an insulation system. For example, a formulation for an impregnating agent may include: an impregnating resin comprising a cycloaliphatic epoxy resin having a viscosity of less than 1500 mPas at impregnation temperature; and a curing catalyst deposited in the solid insulation material. The curing catalyst may be reactive toward the cycloaliphatic epoxy groups of the cycloaliphatic epoxy resin in the formulation of the impregnating agent but be sufficiently reactively inert with respect to the functional groups of the tape adhesive likewise present in the solid insulation material to confer storage stability to the solid insulation material.

The invention relates to a film for use in a resilient floor covering, wherein the film comprises (a) a first layer and (b) a second layer and wherein the first layer has a Shore D hardness of 60 to 80 at 20° C. and the second layer has a Shore D hardness of 40 to 65 at 20° C. Also provided is a composite laminate floor covering comprising the film of the invention. Also provided is a floor tile comprising the film of the invention.

Example implementations relate to multilayer housings. In one example, multilayer housing can include a first continuous layer comprising copper, plastic, graphene, aluminum, titanium, magnesium, or combinations thereof, a void layer on the first continuous layer, wherein the void layer comprises from (5) volume percent (vol. %) to (95) vol. % voids; and a second continuous layer on the void layer, wherein the second continuous layer comprises copper, plastic, graphene, aluminum, titanium, magnesium, or combinations thereof.

There are provided a soundproof structure, which can have high soundproofing performance in a wide frequency band and in which visual recognition of through-hole can be suppressed, and a sound absorbing panel and a sound adjusting panel using the soundproof structure. A sheet member having a plurality of through-holes passing therethrough in a thickness direction and a sound absorbing body disposed in contact with one main surface of the sheet member are provided. An average opening diameter of the through-holes is 0.1 μm or more and less than 100 μm. Assuming that the average opening diameter of the through-holes is ϕ (μm) and an average opening ratio is σ a parameter A expressed by A=σ×ϕ.sup.2 is 92 or less.

A composite structure having a solid-phase concrete base-substrate component; a mesh component having non-woven solid-phase polymeric strands that are fused together to form a three-dimensional structure having a thickness of at least three millimeters, the thickness being defined as the greatest normal distance between the mesh-component first side and second opposing side, at least a portion of the polymeric strands that make up the mesh-component first side are embedded into and thereby attached to the solid-phase concrete base-substrate component; a substantially planar component having first and second sides, wherein the substantially planar-component first side is attached to the mesh-component second side; and an adhesive-layer component having a first and second surface, wherein the adhesive-layer component first surface is in contact with and attached to the second side of the substantially planar component, and wherein the adhesive-layer second surface is in contact with and attached to a first surface of a polyvinylchloride or polyvinylchloride-containing exterior sheet.

A stone paper includes a first material layer and a second material layer. The first material layer includes a first inorganic material, a first plastic material, and an additive, wherein the first inorganic material, the first plastic material, and the additive are mixed together. The second material layer is coextruded on at least one surface of the first material layer, and the second material layer includes a second inorganic material, a nonmetal thermoconductive material, and a second plastic material, wherein the second inorganic material, the nonmetal thermoconductive material, and the second plastic material are mixted together. A manufacturing method of a stone paper is also disclosed herein.

An engine enclosure for containing a gas turbine engine is provided. An exemplary engine enclosure includes features that improve noise and thermal attenuation, reduce the weight of the enclosure, and provide for more accessible access points to the interior volume of the engine enclosure.

Provided are a far infrared reflective film including a base material and a far infrared reflective layer including a binder and flat conductive particles, in which a value obtained by dividing an average particle diameter of the flat conductive particles by an average thickness of the flat conductive particles is 20 or more, a thickness y nm of the far infrared reflective layer is 3 times or more the average thickness of the flat conductive particles, a volume fraction x of the flat conductive particles in the far infrared reflective layer is 0.4 or more, and a product x×y of the volume fraction x and the thickness y satisfies Expression A, a heat shield film including the far infrared reflective film, and a heat shield glass including the far infrared reflective film. $\begin{array}{cc}x\times y\le 0.183\times \frac{\lambda }{k}& \mathrm{Expression}A\end{array}$

Provided is an inexpensive raised woodgrain finish decorative material that exhibits design properties similar to those of actual wood by the effect of reproducing visual appearance and feeling and has a short production timeline. The raised woodgrain finish decorative material has a substrate, a first raised section provided on one surface of the substrate, and a second raised section provided on the one surface of the substrate in a different location than the location of the first raised section, wherein the length of the first raised section is longer than the length of the second raised section in the lengthwise direction of the substrate, and the height of the first raised section is higher than the height of the second raised section in the thickness direction of the substrate.