The present invention relates to an ionomer resin, comprising: a (meth)acrylic acid unit (A); a neutralized (meth)acrylic acid unit (B); and an ethylene unit (C), wherein the total amount of the unit (A) and the unit (B) is from 6 to 10 mol % based on the entire monomeric units constituting the ionomer resin, and wherein the amount of a salt composed of a strong acid and a strong base in the ionomer resin is from 1 to 400 mg/kg.

A multilayer laminate (100) comprises an oriented polyethylene film (102), a biaxially oriented film (104) adhered to the oriented polyethylene film (102), a barrier film (106) adhered to the biaxially oriented film (104), and a multilayer polyethylene (PE) film (108) adhered to the barrier film (106). The biaxially oriented film (104) comprises one or more components selected from biaxially oriented polyamide (BOPA), biaxially oriented polyethylene terephthalate (BOPET), and biaxially oriented polypropylene (BOPP).

A multi-layered material with low thickness is provided, having properties of thermal and electric insulation, flame retardant capacity and high mechanical strength, useful for the manufacture of personal protective equipment and more in general of work items for the protection against arc flash effects. The material provides a high grade of protection against arc flash with good flexibility and comfort for the wearer, who is thus protected without being hindered in movements.

This film-shaped firing material is a film-shaped firing material containing sinterable metal particles and a binder component, in which, when the average thickness of the portion of the film-shaped firing material excluding the edge portion is deemed 100%, the average thickness of the edge portion of the film-shaped firing material is at least 5% thicker than the average thickness of the portion of the film-shaped firing material excluding the edge portion.

The invention provides a polyester composition in which the primary repeating units contain an aromatic dicarboxylic acid component (Component A) and an ethylene glycol component (Component C) and a long-chain alkyl dicarboxylic acid component having not less than 6 carbons (Component B) or a long-chain alkyl diol component having not less than 6 carbons (Component D), wherein a sum (WB+WD) of a relative amount (WB) of Component B as calculated based on a total number of moles of Component A and Component B plus a relative amount (WD) of Component D as calculated based on a total number of moles of Component C and Component D are within a range of 2-13 mol %. The invention also provides a polyester film prepared from the polyester composition and having excellent dimensional stability, as well as a magnetic recording medium utilizing the polyester film.

This disclosure includes high-temperature, thermally-insulative laminates, Some laminates have a front surface, a back surface, one or more heat-dispersing layers, each comprising at least 90% by weight of: a metal having a melting point of at least 1,300° C. and a thermal conductivity of at least 15 W/Km; or graphite, and one or more heat-insulating layers coupled to the heat-dispersing layer(s), the heat-insulating layer(s) each including a layer of polymeric aerogel, wherein at least a majority of the front surface is defined by one of the heat-dispersing layer(s).

An object of the present invention is to provide a heat-resistant film that is suitable for protection of a surface provided with electrical conduction, decoration or the like in a plastic product, a glass product, a ceramic product, and the like, or that is suitable for holding a semiconductor, dies, and the like in producing dies through dicing and singulation. The film that solves the above object is a heat-resistant film comprising a thermoplastic resin, wherein (a) the thermoplastic resin is a polyester-based elastomer comprising a hard segment and a soft segment that are linked to each other, (b) the hard segment comprises a polyester unit constituted from an aromatic dicarboxylic acid and an aliphatic diol or an alicyclic diol, (c) the soft segment is constituted mainly from the prescribed polycarbonate, (d) a weight ratio of the hard segment contained in the polyester-based elastomer exceeds 50%, and (e) the film comprising the thermoplastic resin has an elastic modulus of 30 to 500 MPa, an elongation at break of 200 to 700%, and a ratio F50/F25 of 1.05 or more, the ratio F50/F25 being a ratio of a stress F50 at an elongation of 50% to a stress F25 at an elongation of 25%.

A phosphor protection film for protecting phosphors contained in a phosphor layer. The phosphor protection film includes a functional layer, a bulking layer that has a single-layer structure or a laminated structure, and a first vapor deposited layer (gas barrier layer) that has gas barrier properties in this order from outside to inside. The clearance between the functional layer and the first vapor deposited layer in the thickness direction of the phosphor protection film is 45 to 280 μm.

Disclosed are an undercover for vehicles with high elasticity and rigidity and a method of manufacturing the same. The undercover for vehicles with high elasticity and rigidity may include a needle-punched nonwoven fabric having a multi-layer structure of felt layers including a first PET fiber and a low-melting-point PET fiber, and each of the felt layers may have improved tensile strength and have optimized fiber alignment, to thereby improve the binding between fibers, mechanical rigidity and elasticity, as well as to reduce the weight of components, improve durability and secure harmlessness and inline workability.

A polymer composite of dissimilar polymers covalently bonded at the interface is disclosed. A method for bonding dissimilar polymers includes providing a first precursor to a hydrogel polymer network comprising a first coupling agent; providing a second precursor to a second polymer network comprising a second coupling agent, wherein the hydrogel polymer network and the second polymer network are different; initiating polymerization of the first precursor to form a hydrogel polymer network, wherein the first coupling agent is incorporated into the polymer network with a negligible amount of condensation; initiating polymerization of the second precursor to form a second polymer network, wherein the second coupling agent is incorporated into the second polymer network with a negligible amount of condensation; contacting one of the first hydrogel precursor or the hydrogel polymer network with one of the second polymer precursor or second polymer networks and initiating condensation between the first and second coupling agents to form a covalent bond.