Thermal adhesive vibration damping sheets

Details Thermal adhesive vibration damping sheets Thermal adhesive vibration damping sheets

1991-08-07

1993-07-13

Lesmes, George F.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Adhesive outermost layer

428489, 428402, 428343, 428327, 4272071, 4272082, B32B 1112, B32B 1102, B32B 712

Patent

active

052272346

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.

REFERENCES:
patent: 3531316 (1970-09-01), Sternasty
patent: 3658635 (1972-04-01), Eustice
patent: 4174335 (1979-11-01), Ohdaira et al.
patent: 4204022 (1980-05-01), Snyder et al.
patent: 4599261 (1986-07-01), Hart et al.
patent: 4740427 (1988-04-01), Ochiumi et al.
patent: 4942219 (1990-07-01), Yatsuka et al.
Abst: 96:39898f: Asphalt-type Vibration Absorbing Sheet for Automobile Floors: (JP 81,115,249) Nihon Tokushu Toryo.

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