To provide a glass fiber reinforced polyamide bead for molding having high strength an rigidity, giving black-colored molded product excellent in surface gloss, and also excellent in mold release property at molding.
This is a glass reinforced polyamide bead comprising 100 pts.wt. polyamide resin (A), 10-200 pts.wt. glass fiber (B), 0.005-2 pts.wt. azine dye (C), and 0.01-5 pts.wt. molding improver (D). For the bead, the polyamide resin having an apparent melt viscosity in the range of 200-3,000 P, measured at a shearing velocity of 1,000 sec-1 and at a temperature of m.p. +20°C is used, and the glass fibers having a length of 1-10 mm and an average diameter of 3-30 μm are compounded when the polyamide resin reaches the melting condition, and it is molded in a strand, then cooled and cut to obtain the bead.
JP2006036942 | COMPOSITE PELLET |
WO/1999/001500 | PARTICULATE POLYMERIC MATERIALS AND THEIR PRODUCTION |
JPS63139920 | PRODUCTION OF COLORED PARTICLE |
JPH06345960A | 1994-12-20 | |||
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