Thermoformable acoustical mat composition and method

Details Thermoformable acoustical mat composition and method Thermoformable acoustical mat composition and method

1988-09-27

1992-03-03

Marquis, Melvyn I.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524 69, C08L 9500

Patent

active

050933949

ABSTRACT:
A thermoformable acoustical mat composition having reduced quantities of ethylene vinyl acetate and elastomers and increased filler concentrations. The composition includes an intimate blend of 5% to 30% of an asphalt constituent; 4% to 15% of an elastomer binder constituent; 50% to 80% of a filler constituent and 1% to 8% of an ethylene co-polymer constituent. A method of melt mixing and extrusion forming thermoformable acoustical mat compositions is also provided.

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