C - Chemistry – Metallurgy – 08 – J
Patent
C - Chemistry, Metallurgy
08
J
18/1040
C08J 5/18 (2006.01) B29C 55/10 (2006.01) B29C 55/12 (2006.01) C08G 75/32 (2006.01) C08J 5/22 (2006.01)
Patent
CA 1327688
BIAXIALLY ORIENTED ORDERED POLYMER FILMS ABSTRACT OF THE DISCLOSURE This invention relates in general to the formation of multiaxially (e.g., biaxially) oriented films from high molecular weight lyotropic or thermotropic polymers (homopolymers, copolymers, and the like), wherein due to the processing conditions employed, the films have a controlled molecular orientation. The films of the present invention are preferably prepared from rod-like extended-chain, aromatic- heterocyclic polymers. These polymers generally fall into two classes; first, those that are modified in solution form, i.e., lyotropic liquid crystalline polymers; and second, those that are modified by temperature changes, i.e., thermotropic liquid crystalline polymers. For a shorthand expression covering both types of polymers, the present disclosure will use the term "ordered polymers."
602494
Baars Dirk M.
Bretches Donald D.
Davis Robert B.
Harvey Andrew C.
Lusignea Richard W.
Albany International Research Company Inc.
Foster-Miller Inc.
Ridout & Maybee Llp
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