Polymeric multilayer sheet suitable for the manufacture of...

Details Polymeric multilayer sheet suitable for the manufacture of... Polymeric multilayer sheet suitable for the manufacture of...

B - Operations, Transporting

32

B

18/783, 327/2.42

B32B 27/08 (2006.01) B32B 27/20 (2006.01) B32B 27/32 (2006.01) B65D 81/34 (2006.01)

Patent

CA 1308873

ABSTRACT A multilayer plastic sheet adapted for the manufacture of containers for food products to be cooked or reheated in microwave ovens is disclosed wherein the sheet has at least one layer of a propylene polymer composition bonded to the surface of a styrene polymer layer, the propylene polymer layer having incorporated therein about 20 to about 40 percent by weight of an inorganic filler such as talc, the filled propylene polymer and the styrene polymer layers having a melt flow substantially equal to the other and the thickness of the layers being at a ratio of from about 60:40 to about 40:60.

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