| 摘要 |
PROBLEM TO BE SOLVED: To provide a radiation resistant composition having low carcinogenicity, excellent in physical properties, electric properties, economic efficiency, and handling, and excellent in heat resistance and radiation resistance. SOLUTION: This composition includes, based on 100 pts.wt. of a polymer, 5-80 pts.wt. of aromatic process oil, wherein an extracted amount of polycyclic aromatic (PCA) determined according to IP346 method (extracted with DMSO) is ≤3%, and an aromatic compound content determined according to Kurtz analysis is ≥20%, and an agent imparting radiation resistance, which is crosslinked or vulcanized. COPYRIGHT: (C)2010,JPO&INPIT |
