Joining material for laser welding and laser welding method using the same
AssigneesLG Chem, Ltd., LG Hausys, Ltd.
InventorsJin Mi Jung, Chun Ho Park, Jae Jung Yoo, Yu Jin Jeong, Seung Yong Lee, Soo Min Lee, Bu Won Son, Bu Gon Shin
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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.
Claims15
A joining material for laser welding, the joining material comprising:
- a polymer matrix comprising 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
- a needle-shaped inorganic filler having an aspect ratio of 10:1 to 20:1,
- wherein the joining material has a light transmittance of 20% or more and 30% or less at a wavelength of 980 nm.
Dependencies are inferred from the claim text.