Multi-layer molded polymer compositions

Details Multi-layer molded polymer compositions Multi-layer molded polymer compositions

1996-02-15

1997-04-08

Buttner, David

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

525 57, 2065242, 220415, 220453, 220468, B32B 2732, B32B 102, B65D 6540

Patent

active

056185995

ABSTRACT:
A multi-layer molded polymer composition comprising a polyolefin layer and a immiscible polymer layer adjacent the polyolefin layer. The immiscible polymer layer is selected from a polymer that is normally immiscible for the polyolefin layer. A compatibilizer is blended into either the polyolefin layer or the immiscible polymer layer or optionally into both layers. The compatibilizer has a polyolefin backbone that is miscible in the polyolefin layer and one or more functional polymer grafts attached to the compatibilizer polyolefin backbone. The functional polymer grafts are miscible in the immiscible polymer layer whereby the compatibilizer bonds with both the polyolefin layer and the immiscible polymer layer.

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T. C. Chung and D. Rhubright, Macromolecules 1994 13313-1319, Department of Materials Science and Engineering, The Pennsylvania State University, University Park, Pennsylvania 16802.

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