Polyplastics Co., Ltd.

Hoechst Celanese Corporation

Daicel Chemical Industries, Ltd.

Celanese Gmbh

Katsuhiko Takahashi

Kenji Hijikata

Yukio Ikenaga

Toshio Kanoe

Tsuneyoshi Okada

Takuzo Kasuga

Yoshiharu Suzuki

Haruyasu Ito

Toshio Nakane

Ichiro Okamoto

Yukihiko Kageyama

Yoshihisa Tajima

Yuzo Toga

Hiroshi Nakatsuji

Kunio Suzuki

Tuneyasu Nakashima

Hiroshi Okuda

Michiyuki Sugita

Tsuneyasu Nakashima

The electrostatic coating is effectively conducted on a plastic article with use of an electrically conductive agent comprising a polyurethane and an electrically conductive filler such as inorganic fine powder and organic substances.

Conductive agent for electrostatic coating of plastics and

An electrically conductive coating composition is useful for a primer or a surfacer paint for a plastic article, in particular one having a small polarity on the surface, and comprises (A) a polyurethane, (B) a spiro-ortho-ester resin of the ring-opening expansive property, (C) a cellulose derivative, (D) a hydroxy-containing surfactant and (E) an electrically conductive material.

Conductive primer for plastics or conductive primer surfacer paint and

A polybutylene terephthalate composition comprises (A) polybutylene terephthalate, (B) a flame retardant and (C) a flame-retarding assistant of antimony trioxide having an average particle size of 1 micron or larger and eventually is improved in the flame-retarding property and stability when it melts.

Non-flammable polybutylene therephthalate composition

Silicon-containing copolyester are in the form of a block copolymers comprising,

Silicon-containing copolyester and method of producing the same

A polyester composition is disclosed which includes a polyester, (a) a thermoplastic elastomer and (b) a carbodiimide compound having at least one carbodiimide group and which exhibits improved impact resistance at low temperatures and stability to heat, hot water and steam. The composition is useful to form parts which are exposed to low temperatures. A polyalkylene terephthalate resin composition is also disclosed which includes a polyalkylene terephthalate resin, (a) at least one selected from the group consisting of ethylene/alkyl acrylate and a thermoplastic polyester elastomer and (b) at least one selected from the group consisting of an epoxy resin containing at least two carbodiimide groups in the molecule.

Polyester composition

A plastic article, in particular a highly crystalline plastic, can be effectively coated with a paint by using a primer composition comprising (A) a polyurethane, (B) a spiro-ortho-ester resin being capable of the ring-opening expansion, (C) a cellulose derivative and (D) a surfactant having a hydroxy group.

Primer paint or primer surfacer composition

A resin composition is suitable for molding to a gear and comprises 30 to 98 percent by weight of a resin being capable of the anisotropic phase in the molten state and the melt processing and 2 to 70 percent by weight of fibers such as metal fibers, carbon fibers, glass fibers, inorganic fibers, synthetic fibers and mineral fibers.

Gear comprising fiber-reinforced anisotropic melt-forming polymer formed

An electroconductive resin composite is produced by polymerizing at least one monomer a polymer of which is electroconductive in a matrix of a resin which exhibits the anisotropy in the melt phase to form a composite of the obtained polymer and the resin. The resin composite is obtained in the form of film and a moulded article.

Process for producing electroconductive resin composite

A laminated film comprises a metallic film and a polymer layer which has been laminated on the metallic film, the polymer being anisotropic in the melt phase.

Metallic film with laminated layer of an anisotropic melt phase forming

A magnetic disk comprises a substrate of a resin composition comprising a polymer being capable of the anisotropic phase in the molten state and a magnetic layer formed on at least one surface of said substrate. The substrate is a laminate of a plurality, preferably two, of monoaxially oriented sheets, eventually being multiaxially oriented.

Magnetic disk

An optical disc comprises a substrate formed from a polymer being capable of the anisotropic melt phase and being melt-processable, a recording layer having pits and grooves, formed on the substrate, and a metal coating layer, formed on the recording layer.

Optical disc

A laminated sheet comprises a first layer of a melt-phase anisotropy exhibiting thermoplastic polymer, having a negative linear expansion coefficient in the direction of the polymer flow and a second layer having a positive linear expansion coefficient in the direction of the polymer flow, both layers having been laminated one on another in the alternative way, further each layer having a thickness such that the negative linear expansion coefficient of said first layer and the positive linear expansion coefficient of the second layer having been offset against each other.

Method of manufacturing a molded article having good dimensional

A polybutylene terephthalate resin composition comprises polybutylene terephthalate, a sulfonate anionic antistatic agent and an oxidized polyolefin wax. It is improved in the antistatic property and useful as a part for an electric instrument.

Polybutylene terephthalate resin composition

A thermoplastic resin composition comprises a thermoplastic resin and a spherical, hollow filler having a wall thickness ratio of 2.5 to 10, defined as a ratio of an outer diameter of the filler to a wall thickness of the filler. It is useful for a light-weighed piece.

Thermoplastic resin composition

A polybutylene terephthalate is manufactured by the steps of polycondensating in the liquid phase terephthalic acid or a lower alcohol ester thereof as the acid component and 1,4-butanediol as the diol component to obtain a prepolymer of polybutylene terephthalate, solidifying the prepolymer and further polymerizing the prepolymer in the solid phase to obtain a polybutylene terephthalate of a higher polymerization degree, 0.001 to 5 percent by weight, based on the prepolymer, of a nucleator being added to the polymerization mixture at any time during a period of from the monomer-mixing stage before the starting of the solid phase polymerization, the solid phase polymerization being conducted in the presence of the nucleator uniformly dispersed in the polymerization mixture. The solid polymerization can be treated subsequently to the liquid polymerization and can proceed in a short time.

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Fuji, Japan

Katsuhiko Takahashi