| 摘要 |
PURPOSE:The titled composition having improved heat stability during molding and processing, suppressing formation of deposit materials in a mold and die, and causing low coloring in molded or processed article, obtained by blending polyacetal with finely divided powder of poly-beta-alanine. CONSTITUTION:100wt% polyacetal is blended with 0.01-0.5wt finely divided powder (<= about 5 micron particle diameter) of poly-beta-alanine. Polyoxymethylene diacetate is used as the polyacetal. Preferably 0.01-5wt% antioxidant of bisphenol is further used together. |
