Vibration-damping composite metal plate

Details Vibration-damping composite metal plate Vibration-damping composite metal plate

1986-05-15

1988-04-26

Seccuro, Carman J.

Stock material or miscellaneous articles

Composite

Of metal

428461, 428458, 525 64, 525 70, 525 80, 525222, 525227, 525240, 525931, B32B 1508

Patent

active

047404272

ABSTRACT:
A vibration-damping resin composition of the invention comprises 10 to 95% by weight of an amorphous thermoplastic resin polymer (a) and 90 to 5% by weight of a crystalline thermoplastic polymer (b) incompatible with the polymer (a). The polymer (a) has a glass transition temperature lower than that of the polymer (b) and a maximum tan.delta. of 0.5 or more within a predetermined temperature and frequency range. The polymer (b) has a melting point higher than the glass transition temperature of the polymer (a) and a shear storage modulus of 1.times.10.sup.8 dyne/cm.sup.2 or more at the temperature and frequency at which the polymer (a) exhibits the maximum tan.delta..

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