A rubber resin material with high dielectric constant and a metal substrate with high dielectric constant are provided. The rubber resin material with high dielectric constant includes a rubber resin composition with high dielectric constant and inorganic fillers. The rubber resin composition with high dielectric constant includes: 40 wt % to 70 wt % of a liquid rubber, 10 wt % to 30 wt % of a polyphenylene ether resin, and 20 wt % to 40 wt % of a crosslinker. A molecular weight of the liquid rubber ranges from 800 g/mol to 6000 g/mol. A dielectric constant of the rubber resin material with high dielectric constant is higher than or equal to 2.0.

One aspect of the invention provides a composite refrigeration line set including at least one selected from the group consisting of: a suction line and a return line, characterized in that one or more of the suction line and the return line are a composite refrigeration line set tube include: an inner plastic tube; a first adhesive layer positioned about the inner plastic tube; an aluminum layer positioned about the first adhesive layer and coupled to the inner plastic tube via the first adhesive layer; a second adhesive layer positioned about the aluminum layer; and an outer plastic layer positioned about the aluminum layer coupled to the aluminum layer via the second adhesive layer. The inner plastic tube is polyethylene of raised temperature. The outer plastic tube is polyethylene of raised temperature. The aluminum layer comprises AL 3005-O.

Provided is a film and a water stopping tape that realize long-lasting water stopping properties. The film includes an outermost layer containing a water-absorbent polymer having a water absorbency of 5 g/g to 100 g/g that is represented by a ratio of a mass of a sample having been immersed in water for 3 hours to a mass of the sample not yet being immersed in water a permeable layer, and a substrate layer in this order, and the water stopping tape includes the film.

Some embodiments of the present disclosure relate to photovoltaic module for use on a roof. In some embodiments, the photovoltaic module may include a solar cell and a polymeric continuous fiber tape. In some embodiments, the polymeric continuous fiber tape comprises a polymer and glass fiber. In some embodiments, the glass fiber is present in an amount greater than about 50% by weight based on a total weight of the polymeric continuous fiber tape. In some embodiments, the polymeric continuous fiber tape comprises an elastic modulus greater than 1 GPa and an optical transmission greater than 80%.

A laminate sheet includes a water-vapor permeable polyurethane film having a hard segment phase and a first spunbond nonwoven fabric disposed at one side in a thickness direction of the water-vapor permeable polyurethane film. The first spunbond nonwoven fabric contains stretchable fibers containing a thermoplastic polyurethane and non-stretchable fibers containing a polyolefin. The melting point of the hard segment phase is 65□ or more and 140□ or less.

A vehicle cargo construct includes a floor, a plurality of side wall panels extending from the floor, and an end wall panel extending from the floor between the plurality of side wall panels. The floor has an upper surface and an oppositely opposed lower surface. Each of the plurality of side wall panels has an exterior surface and an oppositely opposed interior surface. The end wall panel has an exterior surface and an oppositely opposed interior surface. Each of the floor, the plurality of side wall panels, and the end wall panel being formed of a composite sandwich panel material formed of an open area core defining a plurality of pores, a surface sheet adhered to a first face of the open area core by a first adhesive layer, and a structural skin adhered to a second face of the open area core by a second adhesive layer.

The invention relates to a layered material, comprising a substrate and at least one layer A, wherein the at least one layer A comprises at least 50 wt % of a branched copolyester, wherein wt % is with respect to the total weight of layer A, and wherein the branched copolyester has a melting temperature of between 125° C. and 185° C., Mz/Mw of at least 3.5, and having a Melt Flow Index (MFI) of at most 10 g/10 min as measured at 190° C. with 2.16 kg. The invention also relates to a film comprising at least one layer A.

Provided are a thermosetting resin composition and a prepreg, laminate and printed circuit board using same. The thermosetting resin composition comprises a resin component, the resin component comprising a modified cyclic olefin copolymer having a structure as shown in formula I and another unsaturated resin. By introducing a methacrylate end group having a certain polarity into a cyclic olefin copolymer, a modified cyclic olefin copolymer is formed. The modified cyclic olefin copolymer can form a thermosetting material by means of cross-linking with itself or another unsaturated resin, whereby the bonding property can be significantly improved while retaining the excellent dielectric properties of the cyclic olefin copolymer itself. The laminate prepared using the thermosetting resin composition has good dielectric properties, a good peel strength and a good heat resistance, and can meet all the performance requirements for printed circuit board substrates in the current high-frequency and high-speed communication field.

The invention relates to a method of manufacturing high durability timber product, the method comprising: a) selecting a durable substrate timber; b) selecting a veneer of high-performance timber; and c) gluing the veneer of high-performance timber to the face of the durable substrate 5 timber, wherein the resulting manufactured high durability timber product is suitable for long-term use in exterior applications at a lower cost than that of the same thickness timber product if made of high-performance timber alone.

[Object] To provide a tube having excellent long-term reliability.

[Means for Solution]

A tube for use in a pump that transports a fluid by peristaltic movement, the tube including: a flow path that serves as a transport path of the fluid and extends in a first direction; and a body portion formed around the flow path, wherein the body portion includes a first layer formed on the flow path and a second layer formed on the first layer, a flexural modulus of elasticity in a radial direction of the second layer is smaller than a flexural modulus of elasticity in a radial direction of the first layer, and when an elastic modulus ratio R1 of the first layer is defined as a ratio of a tensile modulus of elasticity in a circumferential direction of the first layer to the flexural modulus of elasticity in the radial direction of the first layer, and an elastic modulus ratio R2 of the second layer is defined as a ratio of a tensile modulus of elasticity in a circumferential direction of the second layer to the flexural modulus of elasticity in the radial direction of the second layer, the elastic modulus ratio R2 of the second layer is larger than the elastic modulus ratio R1 of the first layer.