C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
18/1213, 400/460
C08L 77/00 (2006.01) C08K 7/14 (2006.01) C08L 23/02 (2006.01) C08L 51/06 (2006.01)
Patent
CA 1310778
72177-12 ABSTRACT OF THE DISCLOSURE Disclosed is a fiber-reinforced polymer composition containing a blend of (a) 50-70 weight % of a polyamide resin in a continuous matrix phase with (b) 30-50 weight % of a mixture of (i) a polyolefin having uniformly dispersed domain phases having an average size of 0.5-5 µm and (ii) an unsaturated carboxylic acid-modified polyolefin and (c) 5-50 parts by weight of glass fibers per 100 parts by weight of the total compositions. The molar ratio of end amino groups in the polyamide resins to carboxyl groups in the modified polyolefins is 10-1000. The composition may be produced by a double-screw extruder having a length/inner diameter (L/D) ratio of 25 or more and having a first hopper for introducing the resin component, a second hopper for introducing the glass fibers, a vent and a die exit in this order, and further having at least one first kneading zone for strongly kneading the resin component, and at least one second kneading zone disposed between the second hopper and the vent for strongly kneading the resin component and the glass fibers.
594158
Aoki Kenichi
Egashira Koji
Esaki Masami
Iwanami Kunio
Kato Fumio
Denso Corporation
Nippondenso Co. Ltd.
Smart & Biggar
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