Thermoplastic resin composition for laser welding, molded article made of same, and composite molded article
AssigneeToray Resin Company
InventorsSo Wakao, Kazuki Akiba
Life of this patent
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Abstract
Provided is a thermoplastic resin composition suitable for laser welding which has a laser transparency, a good laser weldability, mechanical properties, a high hydrolysis resistance, a laser-welded composite molded article such as a composite article obtained by laser-welding molded resin parts, and a method of laser welding such molded resin articles. The thermoplastic resin composition contains (A) polybutylene terephthalate, (B) polycarbonate, (C) reinforcing fiber, (D) epoxy compound, (E) carbodiimide compound, and (F) phosphorus-based stabilizer.
Claims7
A thermoplastic resin composition suitable for laser welding comprising:
- 55 to 75 parts by weight of a polybutylene terephthalate (A) and 25 to 45 parts by weight of a polycarbonate (B) in total amount of 100 parts by weight;
- 25 to 65 parts by weight of a reinforcing fiber (C) based on 100 parts by weight of the polybutylene terephthalate (A) and the polycarbonate (B);
- 0.2 to 0.8 parts by weight of an epoxy compound (D) based on 100 parts by weight of the polybutylene terephthalate (A) and the polycarbonate (B);
- 0.2 to 0.8 parts by weight of a carbodiimide compound (E) based on 100 parts by weight of the polybutylene terephthalate (A) and the polycarbonate (B);
- and
- a phosphorus-based stabilizer (F).
Dependencies are inferred from the claim text.