A composition of the present invention includes: a styrene-based elastomer; a paraffin-based process oil; an olefin resin; a crosslinking agent including an organic peroxide; a crosslinking aid; an antioxidant; and a surface-treated filler obtained by surface treating particles formed from magnesium hydroxide with a higher fatty acid. The paraffin-based process oil has a kinematic viscosity at 40 C. of 300 mm.sup.2/s or greater. Furthermore, from 405 to 485 parts by mass of the paraffin-based process oil, from 9 to 13 parts by mass of the olefin resin, from 5 to 7 parts by mass of the crosslinking agent, from 13 to 15 parts by mass of the crosslinking aid, from 3 to 4 parts by mass of the antioxidant, and from 15 to 25 parts by mass of the surface-treated filler are respectively blended per 100 parts by mass of the styrene-based elastomer.

A poly(phenylene ether) composition includes specific amounts of a poly(phenylene ether), a hydrogenated block copolymer of an alkenyl aromatic monomer and a conjugated diene, a polypropylene or a polyethylene, a low molecular weight polybutene, a flame retardant, a liquid ultraviolet absorbing agent, and a poly(alkylene oxide). The composition can be useful as an insulation or jacketing material for wires and cables, where the insulation and jacketing materials including the composition can have reduced surface blooming.

A poly(phenylene ether) composition includes specific amounts of a poly(phenylene ether), a hydrogenated block copolymer of an alkenyl aromatic monomer and a conjugated diene, a polypropylene or a polyethylene, a low molecular weight polybutene, a flame retardant, a liquid ultraviolet absorbing agent, and a poly (alkylene oxide). The composition can be useful as an insulation or jacketing material for wires and cables, where the insulation and jacketing materials including the composition can have reduced surface blooming.

Provided is a rubber composition having coating film affinity, including the following component (A) as a main component, and the following components (B) and (C). Also provided is an external diaphragm for railroad cars, including a cross-linked product of the rubber composition having coating film affinity. The rubber composition having coating film affinity can exhibit excellent performance as a material for forming a rubber product (a rubber product, such as an external diaphragm for railroad cars) required to have coating film adhesion as well as rubber physical properties, such as tensile strength and breaking elongation, and durability. (A) An ethylene-propylene-diene rubber (EPDM) (B) A non-hydrogenated liquid butadiene rubber having a functional group capable of reacting with at least one selected from the group consisting of an isocyanate group and a hydroxy group (C) An organic peroxide cross-linking agent

Polyolefin compositions comprising i) a polyolefin, ii) one or more phosphorus-containing benzofuranone compounds and iii) one or more acid scavengers are provided excellent protection against discoloration and enhanced thermal stability during melt processing as exhibited by improved retention of molecular weight and maintenance of polymer molecular architecture.

A blended thermoplastic composition includes: from about 20 wt % to about 99 wt % of a thermoplastic polymer element; from about 1 wt % to about 60 wt % of a graphite-based filler element including at least about 0.01 wt % functional groups on a surface of the graphite-based filler element; from about 0.1 wt % to about 30 wt % of a functional agent element; and from about 0 to about 50 wt % of a thermally conductive and electrically insulative filler. The functional agent element includes functional groups that interact with the functional groups on the surface of the graphite-based filler element, resulting in an increase of the volume resistivity of the blended thermoplastic composition that is at least 1*10.sup.2 greater than the volume resistivity of a substantially identical electrically conductive blended thermoplastic composition that does not include a functional agent element.

The present invention addresses the problem of providing a polyacetal resin composition which can minimize degradation of a molded product produced from the acetal resin composition, when the molded product is in contact with an acidic cleaner. Said problem is solved by a polyacetal resin composition, comprising: polyacetal copolymer (A) in an amount of 100 parts by mass, wherein said polyacetal copolymer (A) has a hemiformal terminal group content of 0.8 mmol/kg or less; hindered phenol-based antioxidant (B) in an amount of 0.1 to 1.0 part by mass; and at least one selected from an oxide of magnesium or zinc or a hydroxide of magnesium or zinc (C) in an amount more than 2.0 parts by mass and 30 parts by mass or less.

A high temperature resistant polyimide film and its preparation method. The present invention relates to a polyimide film and its preparation method and solves the problems of honeycomb's and skin panel's core adhesivepolyimide film with insufficient heat resistance, no climbing of bonding core structure and adhesive fillet formation. The high temperature resistant polyimide film is made by polyimide solution, inorganic filler modifier and interface coupling agent by the steps of: under specific temperature and stirring conditions, adding inorganic filler modifier and interface coupling agent to polyimide solution, stirring to obtain the adhesive agent; filtering and degassing the adhesive agent, casting to a stainless steel drum with carrier cloth and release paper to obtain a self-supporting film; then heating and annealing to obtain the final polyimide film. The present invention is applied to high temperature resistant polyimide film and its preparation method.

A cable having good flammability performance and reduced smoke emission is provided.

An object of the present invention is to provide a golf ball exhibiting an excellent shot feeling and resilience, and a constituent material thereof. The present invention provides a golf ball resin composition having a bending stiffness (M.sub.3-12) ranging from 300 kgf/cm.sup.2 to 24,000 kgf/cm.sup.2 at a bending angle from 3 to 12, a ratio (M.sub.3-12/M.sub.24-30) of the bending stiffness (M.sub.3-12) at the bending angle from 3 to 12 to a bending stiffness (M.sub.24-30) at a bending angle from 24 to 30 ranging from 0.20 to 2.00, and a slab hardness ranging from 30 to 65 in Shore D hardness.