A method for manufacturing a polyester film for embossing that is made from a recycled polyester material. A part of the recycled polyester material is physically reproduced to obtain physically regenerated polyester chips. The physically regenerated polyester chips include physically regenerated regular polyester chips. Another part of the recycled polyester material is chemically reproduced to obtain chemically regenerated polyester chips. The chemically regenerated polyester chips include chemically regenerated regular polyester chips and chemically regenerated electrostatic pinning polyester chips. The physically regenerated polyester chips and the chemically regenerated polyester chips are mixed to form a base material. The base material is used to form a base layer that having a main component of regenerated polyethylene terephthalate. A surface coating layer is formed onto the base layer. A material of the surface coating layer includes a main resin, fillers, and melamine.

Disclosed is a conductive polymer composite according to various embodiments of the present invention in order to implement the above-described object. The conductive polymer composite may include a polymer adhesive which includes a curable polymer and a curing agent, a conductive filler made of a metal having electrical properties, and a substituting agent configured to substitute for or remove a lubricant layer applied on the conductive filler.

Disclosed is an antioxidant for a polymer electrolyte membrane of a fuel cell including cerium hydrogen phosphate (CeHPO.sub.4). The presence of cerium hydrogen phosphate in the antioxidant enhances the dissolution stability of cerium and improves the ability to capture water, leading to an increase in proton conductivity. In addition, the cerium hydrogen phosphate has a crystal structure composed of smaller cerium particles. This crystal structure greatly improves the ability of the antioxidant to prevent oxidation of the electrolyte membrane. Also disclosed are an electrolyte membrane including the antioxidant, a fuel cell including the electrolyte membrane, a method for preparing the antioxidant, a method for producing the electrolyte membrane, and a method for fabricating the fuel cell.

Disclosed herein is a black-colored polyamide composition which includes a polycondensate of formaldehyde, n-phenyl-benzene amine and 2-propanone and carbon black, and preferably also glass fibers, production of this polyamide composition and use thereof for the production of black-colored laser-inscribable polyamide moldings.

To provide a semi-aromatic polyamide resin composition having excellent good plating properties, low water absorption properties, and solder reflow resistance. A semi-aromatic polyamide resin composition of the present invention comprises: 10 to 200 parts by mass of an inorganic filler (B) and 2 to 30 parts by mass of a toughness improver (C) based on 100 parts by mass of a semi-aromatic polyamide (A), wherein the semi-aromatic polyamide resin (A) satisfies the following (a) and (b): (a) a melting point (Tm) measured by differential scanning calorimetry (DSC) is 280° C. or higher; and (b) an equilibrium water absorption rate at 80° C. and 95% RH is 3.5% or less.

A binder includes an inorganic particle and a binding material particle containing a binding material to mutually bind fiber by being provided with water, wherein the binder includes a composite particle in which the binding material particle and the inorganic particle are integrated, and a specific surface area of the inorganic particle is 150 m.sup.2/g or more and 280 m.sup.2/g or less.

According to the invention, a high strength heat resistant rubber composition having both excellent strength and heat resistance, comprising: 80 to 85 parts by mass of a rubber base material; 5 to 11 parts by mass of attapulgite; 40 to 50 parts by mass of a linear low-density polyethylene; 4 to 6 parts by mass of a ceramic powder; 2 to 6 parts by mass of a cross-linking agent; 5 to 9 parts by mass of a filler; 5 to 9 parts by mass of a cross-linking aid; 8 to 13 parts by mass of rosin; 12 to 16 parts by mass of bismaleimide; and 7 to 12 parts by mass of yttrium oxide and a process for producing a high strength heat resistant rubber product using the composition are provided.

A film including: an organic polymeric substrate having a first major surface and a second major surface; an optional acrylic hardcoat layer disposed on the first major surface of the substrate; a siliceous primer layer disposed on the organic polymeric substrate or on the optional acrylic hardcoat layer, wherein the siliceous primer layer includes composite particles including an organic polymer portion and a siliceous portion; and a superhydrophilic surface layer disposed on the siliceous primer layer, wherein the superhydrophilic surface layer includes hydrophilic-functional groups.

An object of the present invention is to provide a resin composition and a molded article each having suppressed surface stickiness while having high stress-relaxing ability and vibration-absorbing ability at room temperature. A resin composition (X) containing 10 to 50 parts by mass of a thermoplastic resin (A) and 50 to 90 parts by mass of an inorganic substance (B), wherein a tan δ peak temperature and tan δ peak value, obtained by performing dynamic viscoelastic measurement at a frequency of 10 rad/s (1.6 Hz) in the temperature range of −40 to 150° C., are 0° C. or higher and 60° C. or lower, and 0.8 or more and 5.0 or less, respectively.

A resin material 16 for a sliding member contains a synthetic resin 18, graphite particles 20 dispersed in the synthetic resin 18, and a hard material 24. The synthetic resin 18 contains 5% or more by volume and 30% or less by volume of polytetrafluoroethylene (PTFE) 22. The graphite particles 20 have an average particle diameter of 0.5 μm or more and 5.0 μm or less and have a content of 1% or more by volume and 15% or less by volume in the synthetic resin 18.