POLYAMIDE RESIN COMPOSITION AND MOLDED ARTICLE

• Main Authors: IEDA SHINJI, HINOTO YU
• Format: Patent
• Language: English
• Published: 30.01.2014
• Subjects: CHEMISTRY; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS

PROBLEM TO BE SOLVED: To provide a polyamide resin composition and a molded article having good water absorption rigidity, rigidity when being heated, fire resistance, and excellent in appearance.SOLUTION: A polyamide resin composition contains (A) a copolymerized polyamide containing (a) a unit containing an alicycle dicarboxylic acid, (b) a unit containing a diamine having 8 or more carbon atoms, (c) a unit containing at least one kind of a copolymerized component selected from a group consisting of following (c-1) to (c-3), (c-1) a dicarboxylic acid other than the alicycle dicarboxylic acid of above (a), (c-2) a diamine having less number of carbon atoms than the diamine of above (b), (c-3) lactam and/or an amino carboxylic acid, and satisfying a given requirement in terms of a crystallization peak temperature T, a glass transformation temperature T, and a melting peak temperature Tand T, and (B) a flame retardant.