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Title:
GLASS FIBER REINFORCED POLYAMIDE BEAD
Document Type and Number:
Japanese Patent JPH11166119
Kind Code:
A
Abstract:

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.


Inventors:
YAKABE SADAYUKI
Application Number:
JP23236698A
Publication Date:
June 22, 1999
Filing Date:
August 05, 1998
Export Citation:
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Assignee:
ASAHI CHEMICAL IND
International Classes:
C08J3/12; B29B9/14; C08J3/20; C08J5/08; C08K7/14; C08K9/04; C08L77/00; (IPC1-7): C08L77/00; B29B9/14; C08J3/12; C08J3/20; C08K7/14; C08K9/04
Domestic Patent References:
JPH06345960A1994-12-20
JPH06128479A1994-05-10
JPH06340807A1994-12-13
JPH09255869A1997-09-30
JPH04370148A1992-12-22
JPH06306278A1994-11-01
JPH08199063A1996-08-06
JPH06200087A1994-07-19
JPH01278544A1989-11-08
Attorney, Agent or Firm:
Takeshi Shimizu (3 others)