Joining material for laser welding and laser welding method using the same
US11535734B2 · kind B2 · utility
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Key dates
| Filing date | Dec 7, 2018 |
| Grant date | Dec 27, 2022 |
| Priority date | — |
| Expiry date | Jan 7, 2039 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L2205/03
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A joining material for laser welding, a laser welding method using the same, and a laser joined body using the laser welding method. The joining material includes a polymer matrix and a needle-shaped inorganic filler. The polymer matrix includes a polypropylene resin having a melt index of 80 g/10 min or more to 95 g/10 min or less as measured at a temperature of 230° C. and a load of 2.16 kg, and the needle-shaped inorganic filler has an aspect ratio of 10:1 to 20:1.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.