Resin composition for composite-type vibration-damping material,

Details Resin composition for composite-type vibration-damping material, Resin composition for composite-type vibration-damping material,

1990-02-21

1991-10-29

Welsh, Maurice J.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From reactant having at least one -n=c=x group as well as...

C08G 1880

Patent

active

050617788

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.

REFERENCES:
patent: 3616113 (1971-10-01), Sawyer
patent: 3840810 (1974-04-01), Fryd
patent: 4035548 (1977-07-01), Chang et al.
patent: 4731392 (1988-03-01), Streu et al.
Chemical Abstracts, vol. 109, No. 10, Sep. 1988, p. 66, Abstract No. 74846w.

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