| 摘要 |
A masterbatch is produced which is excellent in thermal stability by limiting the comonomer content and thermal stability of a polyoxymethylene copolymer, and further implements a method of feeding the polyoxymethylene resin and carbon in the extrusion step. Moreover, the composition containing the masterbatch retains mechanical properties (elastic modulus, impact resistance, and vibration fatigue characteristic), chemical resistance, and moldability and also has conducting capability.
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