MOLDED ARTICLE FOR LASER WELDING, AND AGENT FOR SUPPRESSING VARIATION IN LASER TRANSMITTANCE OF MOLDED ARTICLE FOR LASER WELDING

Problem: To provide a molded article for laser welding which has excellent visible light transmittance and laser transmittance and in which variation in laser transmittance is suppressed, and an agent for suppressing variation in laser transmittance of a molded article for laser welding.Solution: A...

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Bibliographische Detailangaben
Hauptverfasser:	Isomura, Takato, Sakata, Kouichi, Goshima, Kazuya
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING PERFORMING OPERATIONS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	Problem: To provide a molded article for laser welding which has excellent visible light transmittance and laser transmittance and in which variation in laser transmittance is suppressed, and an agent for suppressing variation in laser transmittance of a molded article for laser welding.Solution: A molded article for laser welding comprising a polybutylene terephthalate resin composition containing 100 parts by mass of (A) a polybutylene terephthalate resin, (B) a polycarbonate resin in which the melt viscosity at 300° C. and a shear rate of 1000 sec−1 is 0.20 kPa·s or greater, and 1 part by mass or greater and 10 parts by mass or less of (C) an epoxy-based compound, the molded article having a thickness at a welded part of 1.3 mm or greater, and an agent for suppressing variation in laser transmittance of a molded article for laser welding, the agent containing an epoxy-based compound.