Provided are a glass substrate protective film including an optically transparent adhesive layer; a polyimide-based shatter-proof layer formed on the optically transparent adhesive layer; and a hard coating layer formed on the polyimide-based shatter-proof layer. The hard coating layer and the optically transparent adhesive layer have a thickness of 5 to 20 μm, the polyimide-based shatter-proof layer has a thickness of 20 to 50 μm, the glass substrate protective film has an absolute value of a retardation in a thickness direction (R.sub.th) of 2000 nm or less, and an adhesive strength when the optically transparent adhesive layer adheres to the glass substrate is 200 gf/in or more. A method for manufacturing the glass substrate laminate and a display panel including the glass substrate laminate are also provided.

A flexible coupling for transmitting torque between parts of a transmission shaft system comprises a tubular section of continuous-fibre-reinforced composite material which has been modified to form a living hinge section with reduced bending stiffness to allow flexion of the tubular section. The tubular section may be modified through the provision of a pattern of formations within the living hinge section. The formations may be in the form of apertures and/or recesses in the continuous-fibre-reinforced composite material to create a plurality of living hinges in the material between, in particular slots and/or grooves.

A prepreg includes composition elements [A], [B], and [C] described below, [A] a reinforcing fiber, [B] a thermosetting resin, and [C] a thermoplastic resin. [C] is present on a surface of the prepreg, [B] contains a first curing agent [b1] and a second curing agent [b2], and the reinforcing fiber of [A] that crosses over a boundary surface between a resin region containing [B] and a resin region containing [C] and that is in contact with both resin regions is present.

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.

Provided are a two-component curable adhesive which can be aged at room temperature and has favorable adhesiveness to various base materials, a laminate in which the adhesiveness between a base material and an adhesive is excellent even when aged at room temperature, and a packaging material including the laminate. The two-component curable adhesive includes a polyisocyanate composition (X) including a polyisocyanate compound (A) and a polyol composition (Y) including a polyol (B), in which a viscosity of the polyol composition at 50° C. is 20 mPa.Math.s or more and 180 mPa.Math.s or less.

This disclosure relates to a composite comprising (a) a rubber layer comprising a cured rubber and optionally a first copolymer having carboxyl groups or anhydride groups; and (b) a foam layer comprising a crosslinked ethylene vinyl acetate and optionally a second copolymer having carboxyl groups or glycidyl methacrylate groups; wherein the foam layer has at least one surface adhering to the rubber layer directly, and provided that either the first copolymer or the second copolymer is present, and the composite is free of glues or adhesive films in the interface between the rubber layer and the foam layer.

Provided is a fine concave-convex laminate that is reduced in thickness, has excellent antireflection performance, and can suppress scattering and absorption of short-wavelength light. A fine concave-convex laminate comprises a substrate, a first transparent organic layer, and a second transparent organic layer laminated in the stated order, wherein the first transparent organic layer has a fine concave-convex structure at a surface facing the second transparent organic layer, the second transparent organic layer has fine concave-convex structures at both surfaces, and a thickness of a composite layer composed of the first transparent organic layer and the second transparent organic layer is 15 μm or less.

A floor plank having a rigid, composite core having an upper side and a underside, the core being thermally stable and formed of PVC and calcium carbonate material that does not include ortho-phthalates, a wood veneer having a lower surface on the upper side of the core and further including an exposed surface, a protective coating on the exposed surface of the wood veneer, the protective coating formed of catalyzed polyurethane having aluminum oxide particles, and a thermo-acoustic cushion coating on the back surface of the core. A method of making is also provided.

A laminate and a method for producing a patterned substrate using the same are disclosed herein. In some embodiments, a laminate includes a substrate, and a stripe pattern having first and second polymer lines alternately and repeatedly disposed on the substrate, wherein the first polymer line comprises a first polymer having a first polymerized unit having a ring structure connected to a main chain and a second polymerized unit represented by Formula 1. The method may be applied to manufacture of devices, such as electronic devices, or of applications, such as integrated optical systems, guidance and detection patterns of magnetic domain memories, flat panel displays, liquid crystal displays (LCDs), thin film magnetic heads or organic light emitting diodes, and may be used to build a pattern on a surface used in manufacture of discrete track media, such as integrated circuits, bit-patterned media and/or magnetic storage devices such as hard drives.

A hardcoat film includes a substrate; a hardcoat layer; and an anti-scratch layer, where the hardcoat layer includes a cured product of polyorganosilsesquioxane, the polyorganosilsesquioxane has a siloxane constitutional unit containing a (meth)acryloyl group and a siloxane constitutional unit containing an epoxy group and is represented by the General Formula (1), a film thickness of the anti-scratch layer is 0.05 to 5 μm, and the anti-scratch layer includes a cured product of a compound having two or more (meth)acryloyl groups in one molecule, where Ra represents a group containing a (meth)acryloyl group; Rb represents a group containing an epoxy group; Rc represents a monovalent substituent; p, q, and r represent a proportion of Ra, Rb, and Rc in the General Formula (1) respectively; p+q+r is 100; p and q are greater than 0; r is equal to or greater than 0; p/q is 0.01 to 99.