| 摘要 |
<p>Polyacetal resin moldings excellent in thermal aging resistance and appearances, produced by dispersing an aminotriazine compound as particle with a mean particle diameter of 1 νm or less in a polyacetal resin with a formaldehyde content of 1,000-3,000 ppm by melt milling both ingredients in a period of 250 seconds at the longest.</p> |
