POLYAMIDE RESIN COMPOSITION AND MOLDED PRODUCT USING THE SAME

Japanese Patent JPH1143600

A

PROBLEM TO BE SOLVED: To obtain the subject composition, excellent in mechanical strength and suitably usable as a molded product such as a building material part by compounding a fly ash having a specified specific surface area with a polyamide resin in a specific proportion. SOLUTION: This composition is obtained by compounding (A) 30-99 pts.wt. polyamide resin (preferably nylon 6, nylon 46, nylon 66, etc.), with (B) 70-1 pt.wt. fly ash having 1,000-8,000 cm<2> /g specific surface area. The relative viscosity of the component A is preferably 1.5-5.0 value determined under conditions of 25 deg.C and 1g/dL concentration by using a 96% concentrated sulfuric acid. The component B is a coal ash produced in a thermal power station, etc., where coal is burned by a pulverized coal combustion method. A reinforcing material (preferably a glass fiber, a platy mica, etc.), is preferably compounded in an amount of <=100 pts.wt. based on 100 pts.wt. composition in order to further improve the mechanical strength of a molded product.

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WAKAMURA KAZUYUKI
OSAWA TADASHI
YAMAZAKI MASAAKI

JP20419497A

February 16, 1999

July 30, 1997

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UNITIKA LTD

C08K3/00; B28B7/26; C08K3/20; C08K3/34; C08K7/14; C08K13/04; C08L77/00; E03F5/06; E21D11/08; E21D11/38; (IPC1-7): C08L77/00; C08K3/00; C08K3/20; C08K3/34; C08K7/14; C08K13/04

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