Abstract: Quinophthalone compound of Formula (1) or (2), mixed colorant, laser ray transmitting colored resin composition containing thereof, and laser-welded product.

Abstract: A laser-welded article comprises: a laser-transmissible workpiece made from a laser-transmissible colored resin composition including at least a thermoplastic resin and an alkaline earth metal salt of an anthraquinone-type acidic dye represented by the following chemical formulae (1) and/or (2) and a laser-absorptive workpiece putting the laser-transmissible workpiece together, wherein the workpieces are welded at the put position thereof by irradiated laser towards the laser-transmissible workpiece that transmits therethrough and is absorbed into the laser-absorptive workpiece.

Abstract: Thermoplastic resin compositions suitable for laser welding are described 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 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 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: The laser-transmissive welding label of the present invention is a resin label which comprises at least a resin layer and is affixable to a resin shaped article by a laser welding, wherein the resin layer has a light-scattering property, and the transmittance of the resin layer relative to a laser beam having an oscillation wavelength within the range of 740 to 1100 nm is not less than 20%, and the total light transmittance of the resin layer relative to a visible light (in accordance with ASTM D1003) is not more than 50%. The resin layer may comprise a thermoplastic resin which may have a compatibility with a resin for the resin shaped article. The label may be able to mask the resin shaped article, or may be colored with a coloring agent. A shaped composite article (e.g., a toner cartridge) may be formed by bonding the label to the resin shaped article with use of the laser welding.

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: A laser-welded article comprises: a laser-transmissible workpiece made from a laser-transmissible colored resin composition including a resin and an alkaline earth metal salt of an anthrapyridone-type acidic dye represented by the following chemical formula [in the chemical formula, R7 is allowed to be the group presented by chemical formula (2) and at least one of R1, R2, R3, R4, R5, R6, R7, R8, R9, and R10 is SO3M1/2 that M is an alkaline earth metal]and a laser-absorptive workpiece putting the laser-transmissible workpiece together, wherein the workpieces are welded at the put position thereof by irradiated laser towards the laser-transmissible workpiece that transmits therethrough and is absorbed into the laser-absorptive workpiece.

Abstract: A laser-welded article comprises: a laser-transmissible workpiece made from a laser-transmissible colored resin composition including at least a thermoplastic resin and an alkaline earth metal salt of an anthraquinone-type acidic dye represented by the following chemical formulae (1) and/or (2) and a laser-absorptive workpiece putting the laser-transmissible workpiece together, wherein the workpieces are welded at the put position thereof by irradiated laser towards the laser-transmissible workpiece that transmits therethrough and is absorbed into the laser-absorptive workpiece.

Abstract: Quinophthalone compound of Formula (1) or (2), mixed colorant, laser ray transmitting colored resin composition containing thereof, and laser-welded product.

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 suitable for laser welding are described 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: A laser ray transmitting colored resin composition is formed of polyphenylene sulfide resin and a colorant having an endothermic peak between 200° C. and 300° C. as determined by TG/DTA thermal analysis. The difference TC-TN between the crystallization point TC of the laser ray transmitting colored resin composition and the crystallization point TN of the same composition as the composition except for not containing the aforementioned colorant, is not less than 0° C. as determined by DSC thermal analysis. The laser ray transmitting material is made of the laser ray transmitting colored resin composition, and has one exothermic energy peak and one endothermic energy peak as determined by DSC thermal analysis.

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, R1—N?N-E-N?N—R2; ??(1) E: (2), (3), (4); R1, R2: aryl, pyrazolone; one or more of E, R1, R2 have sulfonic acid group, R3, R4: hydrogen atom, alkyl, sulfonic acid group, R5, R6: hydrogen atom, sulfonic acid group, R15: sulfonic acid group. Method of laser welding wherein a contact portion of a laser ray transmitting material comprising the laser ray transmitting colored thermoplastic resin composition above and a laser ray absorbing material is welded by irradiating laser ray so that the laser ray passes through the laser ray transmitting material and is absorbed in the laser ray absorbing material with the laser ray transmitting material and the laser ray absorbing material in contact with each other.

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 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 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 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: A laser-transmissible colored resin composition comprises an anthraquinone-type acidic dye represented by the following chemical formula (1) [in the chemical formula (1), —R1 is a hydrogen atom, a hydroxyl group or an amino group, —R2 and —R3 are a hydrogen atom, an alkyl group, a halogen atom, an alkoxyl group or —SO3M which M is a hydrogen atom, an alkaline metal or an ammonium, —R4, —R5, —R6, —R7— and —R8 are a hydrogen atom, an alkyl group, an acyl group, an acylamide group, an acyl-N-alkylamide group, a halogen atom, an alkoxyl group or —SO3M which M is same above, and at least one of —R2, —R3, —R4, —R5, —R6, —R7 and —R8 is —SO3M]. It may be represented by the following chemical formula (2).