| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a resin composition which is high in transmittance for laser light, can be irradiated with laser light to conjugate firmly to a material, and is excellent in various resin properties. <P>SOLUTION: The laser welding resin composition comprises (A) a polyester base resin having at least a 2-3C alkylene allylate unit and (B) a vinyl base polymer, wherein (A) the polyester base resin may a polyester polymer having at least an ethylene terephthalate unit, such as a polyethylene terephthalate resin; the vinyl base polymer may be a polymer obtained by polymerizing an aromatic vinyl base unit, a vinylcyanide base unit, an acrylic base unit and the like, such as a copolymer of a styrene base unit, a vinylcyanide base unit and/or an acrylic base unit; and (A) the polyester base resin and (B) the vinyl base polymer have a former/latter ratio (weight ratio) of about 90/10-10/90 for example. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
