CARBON FILAMENT-REINFORCED POLYPROPYLENE COMPOSITE

Title:

CARBON FILAMENT-REINFORCED POLYPROPYLENE COMPOSITE

Document Type and Number:

Japanese Patent JP2010235774

Kind Code:

A

Abstract:

To provide a prepreg material in which the reinforcing effect is enhanced by improving the adhesion between carbon filaments being a reinforcing material and a resin phase and which is provided for structural materials.

A carbon filament-reinforced polypropylene composite comprises 100 pts.mass of carbon filaments (A) having a weight-average fiber length of ≥7.5 mm and 30-250 pts.mass of a syndiotactic polypropylene (B) which is characterized in that the melting point is 120-135°C, the ratio of the X-ray diffraction intensity at a diffraction angle (2θ) of 12° to the X-ray diffraction intensity at a diffraction angle (2θ) of 14° is 1.5-10, and the melt flow rate is 50-150 g/10 min.

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Inventors:

YOSHIHARA NORI
NAGO SATOSHI
KITAMURA HITOSHI
SONODA HIDETOSHI

Application Number:

JP2009085321A

Publication Date:

October 21, 2010

Filing Date:

March 31, 2009

Export Citation:

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Assignee:

TOYO BOSEKI

International Classes:

C08J5/04; C08F8/50; C08F110/06; C08K7/06; C08L23/12

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