A wavelength conversion member, for a backlight, is provided. The wavelength conversion member includes a stack of a plurality of resin layers, with at least one of the plurality of resin layers containing quantum dots. The plurality of resin layers is integrally molded through co-extrusion, and forms a three-layer structure comprising a middle layer containing the quantum dots and upper and lower layers that do not contain the quantum dots. The upper layer and the lower layer are respectively on an upper side and a lower side of the middle layer. The upper and lower layers each contain a light scattering agent. Each of the plurality of resin layers is directly joined together with a bonding layer at an interface between the middle layer and the upper layer and not at an interface between the middle layer and the lower layer.

As an exemplary configuration, a long film is configured by thermomeltable polymers including a first unit based on tetrafluoroethylene and a second unit based on perfluoro (alkyl vinyl ether), including spherulites of the thermomeltable polymers, wherein radius of each spherulite is 10 ?m or less. As another exemplary configuration, a long film is configured by tetrafluoroethylene polymers having a melt flow rate within a range of 5 to 40 g/10 min. The long film is heated at 180? C. for 30 minutes so as to measure the thermal expansion rate, and when letting thermal expansion rate in a first direction, which extends at a 45-degree angle to a melt flow direction be A, and thermal expansion rate in a second direction orthogonal to the first direction be B, A and B are respectively within the range of ?2 to +1%, and |A?B| is 1% or less.

Provided are approaches for customizing transaction cards using a pressure sensitive modification area. In some approaches, a transaction card may include a body having a first main side opposite a second main side, wherein a chip is coupled to the first main side of the body, wherein a first outer layer extends along the first main side, and wherein a second outer layer extends along the second main side. The transaction card may further include an internal layer between the first and second outer layers, and a plurality of microspheres and a pigmented substance positioned between the internal layer and the first outer layer.

A graphic comprises a textile material comprising one of a woven or knit textile having first and second textile surfaces in an opposing relationship and a retroreflective material having first and second surfaces in an opposing relationship. One of the first and second textile surfaces and one of the first and second surfaces are adhered to one another by a second adhesive.

A leather-like sheet includes: a fiber base material; an intermediate resin layer stacked on one surface of the fiber base material; and a surface resin layer stacked on the intermediate resin layer. The surface resin layer contains a polyether-based polyurethane and spherical fine particles having a heat resistance at 200 C., and has a content ratio of the spherical fine particles of 5 to 40 mass %. The spherical fine particles have a specific heat of 0.95 kJ/(kg.Math.K) or more, a particle size D.sub.50 (median diameter) at a cumulative distribution of 50 vol %, of 2.5 to 10 m, and a particle size D.sub.10 at a cumulative distribution of 10 vol % of the spherical fine particles which satisfies a condition that a particle size dispersity D.sub.50/D.sub.103.

Disclosed is a specific stacked composition of a multi-layer film which is mainly used as a sealant layer of a cell pouch, has excellent adhesive performance, and simultaneously satisfies moldability in post-processing. The present invention provides a polypropylene-based multi-layer film including a skin layer including (a) a propylene-based binary copolymer, modified polyolefin, and (e) an anti-blocking agent, a core layer including (b1) an ethylene propylene block copolymer, and (c) an amorphous propylene rubber, and a seal layer including (a) a propylene-based binary copolymer, (b2) an ethylene propylene block copolymer, (d) a slip agent, and (e) an anti-blocking agent.

A high ankle combat boot has multilayered constructions in upper and sole and has a protective function against toxic chemical agents, especially chemical warfare agents. An outer layer in the multilayered upper, away from the foot when the boot is worn, and an inner layer, faces towards the boot. An adsorption layer based on adsorbent material, especially activated carbon spheres, which absorbs toxic chemical agents, especially chemical warfare agents is arranged between the outer layer and the inner layer of the upper. An outsole in the multilayered sole, away from the foot, and an insock, faces towards the foot. An insole based on multilayered aramid cloth, which resists the puncture through the sole when stepping over sharp objects, to prevent infiltration of toxic chemical agents, especially chemical warfare agents, is arranged between the insock and outsole. Efficient protection and a high degree of comfort are achieved.

A thermally conductive board includes a top metal layer, a bottom metal layer, and an electrically insulating but thermally conductive layer (for simplification hereinafter referred to as thermally conductive layer) laminated between the top metal layer and the bottom metal layer. The thermally conductive layer satisfies a relation of Iq.sup.a. There is an equivalence relation between I and q; I stands for scattering intensity; q stands for scattering vector, and a stands for the power of q. q ranges from 0.007 .sup.1 to 0.1 .sup.1, and a ranges from 3 to 4.

The disclosure relates to a sandwich composite board and a preparation method thereof. The sandwich composite board includes, from top to bottom, an upper panel layer, a core material layer, and a lower panel layer, wherein the upper panel layer and the lower panel layer are glass or fiber reinforced resin-based composite sheets; and the core material layer is composed of an aerogel, a resin, and an expandable microsphere foaming agent. Method (1) includes: heating and melting the resin to obtain slurry A, cooling the same, adding the aerogel and the expandable microsphere foaming agent thereto, and uniformly mixing the same to obtain slurry B, then flat-laying the lower panel layer, coating or printing with the slurry B, then laying the upper panel layer and hot press molding the same. Method (2) includes: uniformly mixing an aerogel, a resin and an expandable microsphere foaming agent to obtain mixture A, placing the mixture A into a non-woven bag, sealing to obtain a core material B, flat-laying the lower panel layer, flat-laying the core material B, then laying the upper panel layer, and hot press molding the same.

A wavelength conversion member, for a backlight, is provided. The wavelength conversion member includes a stack of a plurality of resin layers, with at least one of the plurality of resin layers containing quantum dots. The plurality of resin layers is integrally molded through co-extrusion, and forms a three-layer structure comprising a middle layer containing the quantum dots and upper and lower layers that do not contain the quantum dots. The upper layer and the lower layer are respectively on an upper side and a lower side of the middle layer. The upper and lower layers each contain a light scattering agent. Each of the plurality of resin layers is directly joined together with a bonding layer at an interface between the middle layer and the upper layer and not at an interface between the middle layer and the lower layer.