Abstract: A laser ray transmitting colored thermoplastic resin composition containing an anthrapyridone acid dye represented by formula (1) or (3); method of laser welding wherein a contact portion of a laser ray transmitting material of the laser ray transmitting colored thermoplastic resin composition and a laser absorbent material is welded by irradiating laser ray so that the laser ray transmits the laser ray transmitting material and is absorbed in the laser absorbent material with the laser ray transmitting material and the laser absorbent material in contact with each other.

Abstract: Laser ray transmitting colored thermoplastic resin composition containing a dis-azo salt forming dye consisting of an anionic component from a dis-azo acid dye and an organic ammonium component, said acid dye being represented by Formula (1) below,

Abstract: Laser ray transmitting colored thermoplastic resin composition containing a triphenylmethane salt forming dye consisting of an anionic component from a triphenylmethane acid dye and an organic ammonium component, said acid dye being represented by Formula (1) below, 1

Abstract: Thermoplastic resin compositions are disclosed that incorporate 1:2 metallic azo complex dyes and are particularly suitable for laser welding. These compositions include a variety of thermoplastic resins such as polyamides and copolymers and blends thereof. The compositions offer superior welding properties and provide for the welding of articles identically colored with these dyes.

Abstract: Thermoplastic resin compositions are described in which amine salts of anthraquinone dyes and monoazo complex dyes are added. These compositions show superior performance in laser welding applications.

Abstract: Thermoplastic resin compositions suitable for laser welding are disclosed, which include a mixture of neutral anthraquinone blue dye with other red dye to absorb visible light with wavelength less than 700 nm and transmit a laser beam with wavelength at 800 nm to 1200 nm and to enhance weldability.

Abstract: Thermoplastic resin compositions are described in which amine salts of anthraquinone dyes and monoazo complex dyes are added. These compositions show superior performance in laser welding applications.

Abstract: Thermoplatic resin compositions suitable for laser welding are discribed in which black colorants are added. These colorants constitute amine salt of anthraquinone dyes. Additional dyes, coloring agents, and a variety of other materials may be added. These compositions demonstrate outstanding mechanical and chemical properties once laser-welded.

Abstract: Thermoplastic resin compositions suitable for laser welding are disclosed, which include a mixture of neutral anthraquinone dyes and at least one other red dye to absorb and transmit select regions of visible light and to enhance weldability.

Abstract: Novel fabricated resin products are described and having suitability for laser welding applications. These contain a resin part for transmitting black colorant and a resin part for absorbing black colorant.

Abstract: Thermoplastic resin compositions are disclosed that incorporate 1:2 metallic azo complex dyes and are particularly suitable for laser welding. These compositions include a variety of thermoplastic resins such as polyamides and copolymers and blends thereof. The compositions offer superior welding properties and provide for the welding of articles identically colored with these dyes.

Abstract: A magnetic carrier for electrophotographic developing agent wherein the surfaces of the magnetic core particles are partly coated with a thermosetting resin and a small amount of a low-melting or low-softening thermoplastic resin or wax, and at least recessed portions of the core particles are filled with these coating materials. The magnetic carrier has an electric resistance that is maintained within a range that is suited for forming the image, and suppresses the occurrence of spent toner.