| 摘要 |
PROBLEM TO BE SOLVED: To provide a fluoropolyether rubber composition capable of giving a cured material having highly hard and highly strong rubber physical properties, and excellent in working property and stability with time. SOLUTION: This fluoropolyether rubber composition consists of (A) a polyfluorodialkenyl compound having alkenyl groups at both terminals of its molecular chain, (B) a compound having≥50°C melting point and having at least≥2 alkenyl and/or alkenoyl groups in its molecule, (C) a fluorine-modified organosilicon compound having≥2 hydrogen atoms bonded with its silicon atom in one molecule, (D) a platinum group compound and (E) hydrophobic silica powder having≥50 m<SP>2</SP>/g BET specific surface area, as essential components. COPYRIGHT: (C)2006,JPO&NCIPI
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