A pneumatic tire assembly is provided and includes an annular tire, an annular inflatable inner tube, and an annular solid insulation tube. The annular inflatable inner tube is positioned within the annular tire. The annular solid insulation tube is positioned between the annular tire and the annular inflatable inner tube and includes an outer surface in contact with an inner surface of the annular tire and an inner surface in contact with an outer surface of the annular inflatable inner tube.

An inventive electrically conductive rubber composition contains: a rubber component including SBR and/or NBR, and 20 to 30 parts by mass of epichlorohydrin rubber based on 100 parts by mass of the overall rubber component; a crosslinking component; a foaming component; and a potassium salt of an anion having a fluoro group and a sulfonyl group in its molecule, the potassium salt being present in a proportion of not less than 0.01 part by mass and not greater than 1 part by mass based on 100 parts by mass of the overall rubber component. An inventive transfer roller (1) includes a roller body (2) formed from the electrically conductive rubber composition.

A method for bonding a rubber and an ethylene-vinyl acetate (EVA) foam, comprising: placing the rubber and a hot melt adhesive film in a mold, with the rubber adhered by a first side of the hot melt adhesive film; hot pressing the hot melt adhesive film and the rubber to bond them together; placing the ethylene-vinyl acetate (EVA) foam in the mold a, with the ethylene-vinyl acetate (EVA) foam adhered to a second side of the hot melt adhesive film, and with the ethylene-vinyl acetate (EVA) foam and the rubber disposed on opposite sides of the hot melt adhesive film; hot pressing the ethylene-vinyl acetate (EVA) foam, the hot melt adhesive film, and the rubber to bond them together to form a final product; and removing the final product from the mold.

Porous polymeric materials having a very high content of thermally conductive and/or electrically conductive fillers. Process for the preparation of the porous composite material including at least one binder-forming polymeric phase and one or more fillers, this process including the stages of hot mixing, by the molten route, the polymeric phase, the fillers and a sacrificial polymeric phase, so as to obtain a mixture, of shaping the mixture and of removing the sacrificial polymeric phase.

Embodiments of the present disclosure are directed to thermoset articles including a crosslinked reaction product of thermoplastic polyolefin, at least one of ethylene alpha-olefin polyolefin elastomer and ethylene propylene diene rubber, nitrile butadiene rubber, and silane. At least one of the thermoplastic polyolefin, the at least one of the ethylene alpha-olefin polyolefin elastomer and the ethylene propylene diene rubber, and the nitrile butadiene rubber is silane grafted and silane crosslinked. The silane crosslinking is at least one of intramolecular silane crosslinking and intermolecular silane crosslinking.

A foamed sole according to the present invention includes a foam molding containing a rubber component and a resin component, wherein the maximum value of a loss factor [tan ] at a frequency of 10 Hz and at 30 C. to 80 C. of the foam molding is 0.18 or less, and a peak of a loss factor [tan ] at a frequency of 10 Hz of the foam molding lies within the range of 100 C. or higher. The foamed sole has a feature that it hardly shrinks when it is heated.

A crosslinked composition for use as a sheath layer of cable is obtained from polymer blend having ethylene vinyl acetate copolymer (EVA), nitrile rubber (NBR) and crosslinking agent. The polymer blend further has a reactive polymer containing at least one nucleophilic or electrophilic functional group and a reactive compound selected from amphiphilic compound containing at least one nucleophilic or electrophilic functional group that can chemically react with nucleophilic or electrophilic functional group of the reactive polymer.

A method for manufacturing an optical film includes molding a sheet-shaped rubber-containing thermoplastic resin composition discharged in a molten state from a die outlet of an extruder by inserting the composition between a pair of smoothing rollers including an elastic roller, wherein a melt viscosity of the rubber-containing thermoplastic resin composition as measured at a temperature of the rubber-containing thermoplastic resin composition during the discharge from a die and a shear velocity of 122 sec.sup.1 is 600 Pa.Math.sec or more but 2000 Pa.Math.sec or less; a surface temperature of the elastic roller is Tg70 C. or higher but Tg20 C. or lower; and V/P is 5000 or less, wherein V represents a line velocity (m/min) and P represents a pressure applied by the elastic roller (kgf/cm).

The disclosure relates to a resin composition, comprising an epoxy resin, a high molecular weight polyetheramine and an amine-terminated acrylonitrile rubber. Various products can be made from the resin composition, such as prepregs, laminates, printed circuit boards or rigid-flex boards, in which one, multiple or all of the following properties can be met: low resin flow, low dust weight loss, high peel strength at room temperature and at high temperature, low moisture absorption rate, and better varnish stability.

An electrically conductive rubber composition is provided, which is usable for production of a transfer roller of a highly flexible foam satisfying requirements for cost reduction and weight reduction and having smaller foam cell diameters and, hence, ensuring higher-quality image formation with smaller environment-dependent variations in roller resistance. A transfer roller produced from the electrically conductive rubber composition, a production method for the transfer roller, and an image forming apparatus including the transfer roller are also provided. The electrically conductive rubber composition contains a rubber component including SBR and/or BR, EPDM and epichlorohydrin rubber, a crosslinking component, and 4 to 6 parts by mass of a foaming agent and 1.5 to 2.7 parts by mass of a foaming assisting agent based on 100 parts by mass of the rubber component. The transfer roller (1) is produced by extruding the electrically conductive rubber composition into a tubular body and performing an in-can vulcanization process on the tubular body. The image forming apparatus incorporates the transfer roller.