Rubber composition
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United States of America Patent
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Jan 16, 1990
Grant Date -
N/A
app pub date -
Jul 14, 1988
filing date -
Jul 17, 1987
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A rubber composition comprising not less than 20% by weight of an amino group-containing diene based polymer in a rubber component, and 10 to 100 parts by weight of silica as a filler with respect to 100 parts by weight of the rubber component. The amino group-containing diene based polymer is obtained by polymerizing a monomer or copolymerizing the monomer in an organic solvent in the presence of at least one of an organic alkali metal and an organic alkaline earth metal.
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