Vibration-damping composition and process for producing vibration-damping composition
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United States of America Patent
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Issued Date -
Aug 12, 2004
app pub date -
Jun 26, 2003
filing date -
Mar 28, 2002
priority date (Note) -
Abandoned
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Abstract
A damping composition contains a base material in the form of a mixture of ethylene-methacrylate copolymer and rosin resin, and an active ingredient contained in the base material for increasing the dipole moment of the base material. The weight ratio of ethylene-methacrylate copolymer and rosin resin (EM:rosin) is 70:30 to 30:70.
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