Biaxially orientated polypropylene multilayer film, process for

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428500, 428515, 428523, 428213, 428327, 428336, 428347, 428349, B32B 2700

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055019013

ABSTRACT:
A coextruded, biaxially orientated film comprising a base layer, which comprises a polypropylene or a polypropylene mixture, and at least one top layer comprising olefinic polymers. The top layer comprises a combination of inorganic and/or organic particles and tertiary aliphatic amine of the formula I ##STR1## in which R.sup.1 essentially is an at least partially unsaturated alkyl radical having at least 18 carbon atoms or an essentially completely saturated alkyl radical having 8 to 26 carbon atoms and

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Ullmann's Encyclopedia of Industrial Chemistry, 4th edition, vol. 12, pp. 525-555.

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