A shoe midsole composed of a foamed peroxide-crosslinked polyolefin elastomer includes a silane-grafted polyolefin component, an elastomeric component, and additives dispersed in the foamed peroxide-crosslinked polyolefin elastomer. The elastomer component includes one or more elastomeric polymers selected from the group consisting of ethylene vinyl acetate copolymer, polyolefin elastomers, olefin block copolymer, polyoctenamer, anhydride modified ethylene copolymers, ethylene propylene diene terpolymer, and combinations thereof. The silane-grafted polyolefin component and elastomer component are crosslinked with C—C bonds. Advantageously, the foamed peroxide-crosslinked polyolefin elastomer is substantially free of silane crosslinking as formed and substantially free of water. Characteristically, the additives and one or more elastomeric polymers are in sufficient amount that a melting temperature of crystalline regions in the foamed peroxide-crosslinked polyolefin elastomer is greater than 100° C. as measured by differential scanning calorimeter thermographs.

A shoe midsole composed of a foamed peroxide-crosslinked polyolefin elastomer includes a silane-grafted polyolefin component and an elastomer component. The elastomer component includes ethylene vinyl acetate copolymer and a component selected from the group consisting of polyolefin elastomers, anhydride modified ethylene copolymers, and combinations thereof. The silane-grafted polyolefin component is crosslinked to the elastomer component with C-C bonds. The foamed peroxide-crosslinked polyolefin elastomer includes a plurality of closed cells. Characteristically, the foamed peroxide-crosslinked polyolefin elastomer is substantially free of silane crosslinking as formed and substantially free of water.

A composite material includes a matrix and a heat-conductive fiber. The matrix includes an organic polymer and forms a porous structure. The heat-conductive fiber is fixed in the porous structure by the matrix. A heat conductivity determined at ordinary temperature by a steady state heat flow method in a fiber axis direction of the heat-conductive fiber is 10 W/(m.Math.K) or more. A density d [g/cm.sup.3] of the composite material and a heat conductivity λ [W/(m.Math.K)] in a given direction of the composite material satisfy requirements d≤1.1, λ>1, and 4≤λ/d≤100.

Provided are a constrained-type vibration-damping metal sheet having foam pores and a method for manufacturing same. The constrained-type vibration-damping metal sheet of the present invention comprises: a lower metal sheet; a foam resin film bonded to the lower metal sheet; and an upper metal sheet bonded to the foam resin film, wherein the foam resin film has foam pores comprising, by wt % of itself, 85-95% of a thermoplastic polyethylene resin having a number average molecular weight of 8000-12000, 0.1-1% of stearic acid, 1-5% of a styrene-ethylene-butadiene-styrene (SEBS) resin, 0.5-5% of a foaming agent, 1-4% of a dicumyl peroxide crosslinking agent, and 0.5-2% of ZnO foaming aid.

A foam sheet having at least one glass transition temperature (Tg) of 0 to 40° C., a peak value of the loss tangent (tanδ) in the glass transition temperature (Tg) of 0.30 or more, and a 25% compressive strength of 1000 kPa or less, and further having a glass transition temperature (Tg) of −40° C. or less. A foam sheet having cushioning properties and vibration resistance in which no cracking occurs even when used in cold areas can be provided.

Compositions are provided including an uncrosslinked thermoplastic nitrogen-containing matrix material and composite particles distributed in the matrix material. The composite particles each include a chemical blowing agent particle encapsulated within a shell including an uncrosslinked thermoplastic material. The uncrosslinked thermoplastic material exhibits at least a certain minimum complex viscosity at a decomposition temperature of the chemical blowing agent particle. Also described are foam compositions and articles including the foam compositions, such as a sheet or multilayer construction. Composite particles are further provided. Methods of making the foam compositions are additionally described herein. Also, polishing pads, polishing systems, and methods of polishing a substrate are provided.

A thermoplastic resin composition for foam molding including: a component (A) in an amount of 1 to 20 parts by mass; a component (B) in an amount of 0 to 50 parts by mass; an aromatic polycarbonate resin (C) in an amount of 40 to 90 parts by mass; and a high-molecular-weight resin (D) different from the components (A) to (C), having a weight average molecular weight greater than or equal to 2,000,000. When a total of the components (A) to (C) is 100 parts by mass, an amount of the high-molecular-weight resin (D) is 0.1 to 10 parts by mass. Component (A): a rubber-reinforced styrenic resin (A) derived from polymerization, in the presence of a rubbery polymer (a) of a vinyl monomer (b1) including an aromatic vinyl compound; component (B): and a styrenic resin (B) derived from polymerization of a vinyl monomer (b2) including an aromatic vinyl compound.

The invention concerns a removable composition formed by at least: a polyamide or a copolyamide or a mixture of polyamides or a mixture of copolyamides or a mixture of at least one polyamide and at least one copolyamide, the polyamide(s) and copolyamide(s) being soluble in alcohol, and an expansion agent, the maximum expansion temperature of which is greater than the melting point of the polyamide or the copolyamide or of the mixture. The invention also relates to assemblies comprising such a composition, the use thereof and a method for detaching the composition.

A resin sheet with a pressure-sensitive adhesive layer including the resin sheet. The resin sheet including a main surface A and a main surface B opposite to each other across a thickness “d”, where the resin sheet has a 50% compression load of 20 N/cm.sup.2 or less at 23±5° C. in a direction of the thickness “d”, which is measured in conformity with a method of measuring a compression hardness described in JIS K 6767:1999; where the resin sheet has a Poisson's ratio at 23° C. of 0.10 or less; and the resin sheet has a thickness recovery ratio of 40% or more when compressed by 20% in the direction of the thickness “d” at 23° C.

A polypropylene resin composition including components (A) to (D) in prescribed amounts, limiting the amount of a polypropylene component having a molecular weight of 10.sup.6.5 or more to less than 0.05 wt % can provide a propylene resin composition that includes an impact polypropylene and a high flow homopolypropylene and is particularly preferable for foam molding, and a molded article comprising the composition (A) Impact polypropylene that includes 5 wt % or more and 20 wt % or less of a propylene-ethylene copolymer having an intrinsic viscosity [η] of 1.5 dl/g or more and 3.8 dl/g or less and having an MFR (230° C., 2.16 kg) of 30 g/10 min to 200 g/10 min, (B) high flow homopolypropylene having MFR (230° C., 2.16 kg) of 200 g/10 min to 1000 g/10 min, (C) ethylene elastomer having an MFR (190° C., 2.16 kg) of 0.5 g/10 min to 40 g/10 min, and (D) inorganic filler.