Patent ID: 8076415
Filing Date: 2011-12-13
Classification: B29C,B29K,C08F,C08L,Y10T

Abstract:
1. A molding material for laser welding consisting essentially of: a thermoplastic resin (A) consisting essentially of: a (co)polymer (b) of styrene and acrylonitrile, wherein said rubbery polymer (a) is dispersed in said thermoplastic resin, has a weight average particle size of 150 to 200 nm, and comprises particles of 300 nm or larger in diameter in an amount of 2 to 20 wt % relative to 100 wt % of said component (a), said molding material having a laser light transmittance at a wavelength of 808 nm in a range of 5% to 32% when the material is molded into a 4 mm thick sample, and the proportion of styrene to acrylonitrile in said thermoplastic resin (A) is from about 75-65/25-35 wt %.