Thermal adhesive vibration damping sheets
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United States of America Patent
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Jul 13, 1993
Grant Date -
N/A
app pub date -
Aug 7, 1991
filing date -
Aug 10, 1990
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A thermal adhesive vibration damping sheet comprising a sheet substrate having crystalline polyolefin particles attached to a surface thereof, said polyolefin particles having a mean particle size of 1 to 20 .mu.m and exhibiting an endothermic curve having a high temperature side endothermic peak in the range of from 50.degree. to 230.degree. C. as measured by a differential scanning calorimeter. The sheet has improved blocking resistance, adhesion to sheet steel through heat fusion, and impact resistance at low temperatures.
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