Remoldable, wood-filled acoustic sheet

Details Remoldable, wood-filled acoustic sheet Remoldable, wood-filled acoustic sheet

1987-05-21

1988-05-24

Lilling, Herbert J.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524 13, 524 15, 524 35, 524451, 524525, C08K 334, C08K 700, C08K 1100

Patent

active

047466880

ABSTRACT:
This invention is directed to a thermoplastic composition comprising polyolefin resin, cellulosic particulate and crosslinked elastomeric rubber microparticles, which composition can be extruded into sheets and subsequently remolded into three dimensional, thermoplastic articles having sound-deadening properties. Preferably, the polyolefin is polypropylene homopolymer and the cellulosic particulate is woodflour.

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