ORIGINAL COMPOSITION CONTAINING LONG-FIBER-REINFORCED CRYSTALLINE POLYOLEFIN RESIN AND MOLDED ITEM FORMED THEREFROM

Japanese Patent JP3399234

B2

PROBLEM TO BE SOLVED: To obtain a compsn. which exhibits an improved bite into an injection molding machine and thereby shortens the plastification time by externally adding a specified amt. of calcium stearate compd. to resin columns having specified properties and formed a crystalline polyolefin resin and a long-fiber reinforcement.
SOLUTION: This compsn. is prepd. by the external (later) addition of 0.0015-0.15wt.%, pref. 0.008-0.12wt.%, still pref. 0.02-0.08wt.%, (based on the resin columns) calcium stearate compd. to long-fiber-reinforced resin columns which have an average length of 3-50mm, comprise 90-20wt.% crystalline polyolefin resin and 10-80wt.% long-fiber reinforcement (e.g. glass fibers), and contain the reinforcement arranged substantially in parallel. A molded item is produced by molding the compsn. or a compsn. comprising the compsn. and a crystalline polyolefin resin other than the one contained in the compsn. The molded item has a low void content and a high bending strength.

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Takashi Shinfuku
Mountain climbing

JP16379296A

April 21, 2003

June 04, 1996

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Chisso Corporation

C08J5/04; C08J3/20; C08J5/08; C08K3/26; C08K5/09; C08K5/098; C08K5/14; C08K7/00; C08K7/04; C08K7/14; C08L23/00; C08L23/26; C08L101/00; (IPC1-7): C08L23/00; C08J3/20; C08K5/09; C08K7/04

Haruo Ideta

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