To provide a high-damping rubber composition excellent in high-damping tendency and rubber properties such as mechanical strength and elongation, impairing no processability with unvulcanized rubber viscosity increase suppressed, and suitable for earthquake-proof structure, and to provide such an earthquake-proof structure with high damping performance.
The high-damping rubber composition comprises 100 pts. wt. of a rubber component consisting of a diene rubber, 40-95 pts. wt. of carbon black 100-170 m2/g in cetyl trimethylammonium bromide adsorption specific surface area(CTAB) and 10-50 pts. wt. of a resin. In this composition, a thermosetting resin such as a phenolic resin or modified phenolic resin accounts for ≥10 wt.% of the resin. The earthquake-proof structure 1 using this high-damping rubber composition 2 is also provided.
AZECHI TOSHIO
Masato Tsuda
Tetsuji Nakamura
Katsuyuki Tomita