摘要:
Deep-dyed nylon fiber and dyed styling yarn which have been dyed from an aqueous dye bath having a pH of 4-7 and containing novel orange and/or compatible yellow, orange, red, blue, blue-green or green disulfonated or monosulfonated/monocarboxylated monoazo, disazo or anthraquinone acid dyes which have good application and fastness properties on deep-dyeing nylon fiber and good non-staining properties on acid-modified nylon fiber.
摘要:
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.