Resin composition for composite-type vibration-damping material, composite-type vibration-damping material using the resin composition and process for production of the vibration-damping material
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United States of America Patent
Stats
-
Oct 29, 1991
Grant Date -
N/A
app pub date -
Feb 21, 1990
filing date -
Feb 22, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A resin composition for a composite-type vibration-damping material which comprises a saturated copolyester having a weight average molecular weight of at least 10,000 and a softening point of 50.degree. to 150.degree. C. and a polyfunctional isocyanate compound as a cross-linking agent and which, when cross-linked, has a degree of gelation (degree of cross-linking) of at least 10% and a composite-type vibration-damping material produced by use of the resin composition, have excellent adhesive strength and formability. When the resin composition is admixed with a conductive substance, a vibration-damping material produced by use of the admixture has excellent spot-weldability in addition to the above-mentioned excellent properties.
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