Hot-curing rubber foams with high structural strength
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United States of America Patent
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Nov 30, 1999
Grant Date -
N/A
app pub date -
Nov 18, 1997
filing date -
May 20, 1995
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Hot-curing, foamable reactive compositions based on natural and/or synthetic rubbers containing olefinic double bonds, vulcanizing agents and blowing agents with a high percentage content of sulfur give foamed rubber compositions exhibiting high structural strength and high volume expansion. These compositions are suitable as multifunctional filling materials for hollow structures or hollow profiles in vehicle or machine construction. At one and the same time, they perform a sealing function, damp acoustic vibration and stiffen the hollow structures to a considerable extent.
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