Biaxially oriented polystyrene film

Details Biaxially oriented polystyrene film Biaxially oriented polystyrene film

1994-08-23

1997-07-01

Le, H. Thi

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Including a second component containing structurally defined...

428332, 428523, 428910, B32B 516

Patent

active

056436645

ABSTRACT:
The present invention provides film methods of using and methods of preparing a biaxially oriented polystyrene composition. The compositions are useful in that they are clear and have improved room and low temperature impact strength. The compositions include from about 0.1 to about 1.4 weight percent rubber particles, based upon the total weight of the composition. The average diameters of the rubber particles are from about 0.1 micron to about 10 microns.

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patent: 5306778 (1994-04-01), Ishida et al.
patent: 5322900 (1994-06-01), Siol et al.

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