Title:
MOLDED ARTICLE, WELDING METHOD, AND METHOD FOR PRODUCING MOLDED ARTICLE
Document Type and Number:
WIPO Patent Application WO/2023/203819
Kind Code:
A1
Abstract:
The present invention provides a molded article obtained by laser-welding a transmissive resin member and an absorbent resin member, the molded article comprising a joined portion at which the transmissive resin member and the absorbent resin member are joined by laser-welding, wherein: in a cross-section that includes the normal line of the transmissive resin member or the absorbent resin member and is orthogonal to the scanning direction of a laser beam, a molten pool is observed in the joined portion; the area of the molten pool is 0.210 mm2 to 1.00 mm2; the transmissive resin member and the absorbent resin member are each molded from a resin composition; the resin composition contains a thermoplastic resin; the thermoplastic resin contains at least a polyamide-based resin (A1); and the resin composition has a glass transition temperature of 85 °C or higher.
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Inventors:
HIWATASHI KENTA (JP)
Application Number:
PCT/JP2023/001843
Publication Date:
October 26, 2023
Filing Date:
January 23, 2023
Export Citation:
Assignee:
ASAHI CHEMICAL IND (JP)
International Classes:
C08K5/5313; B29C65/16; C08K3/013; C08L77/00
Domestic Patent References:
| WO2019160117A1 | 2019-08-22 | |||
| WO2021241382A1 | 2021-12-02 |
Foreign References:
| US20060278617A1 | 2006-12-14 | |||
| JP2020163864A | 2020-10-08 | |||
| JP2020193333A | 2020-12-03 | |||
| JP2019025673A | 2019-02-21 |
Attorney, Agent or Firm:
MATSUNUMA Yasushi et al. (JP)
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