| 摘要 |
PROBLEM TO BE SOLVED: To provide a polyamide resin composition having the excellent mechanical properties, a low gas generation amount by restraining the volatilization constitution in a high temperature atmosphere, a low specific density and the excellent tenacity. SOLUTION: The polyamide resin is obtained by polymerization of a monomer under coexistence of a swellable fluorine mica based mineral. The relative viscosity of a polyamide resin containing 0.01-20 mass% of a swellable fluorine mica based mineral is 2.3 or more and less than 3.3. It contains 0.01-5 parts by mass of a hindered phenol based antioxidant, a phosphite based antioxidant, a copper based heat proof agent each with respect to 100 parts by mass of the polyamide resin. COPYRIGHT: (C)2009,JPO&INPIT
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