B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
18/1042
B29C 55/16 (2006.01) C08G 69/26 (2006.01) C08J 5/18 (2006.01)
Patent
CA 1229461
Abstract of the Disclosure A biaxially-oriented amorphous polyamide film and the preparation thereof are described. The film exhibits good physical and optical properties. In a specific embodiment, the amorphous polyamide is a product of the polymerization of 2,2-bis(4-aminocyclohexyl)propane with a mixture of adipic acid and azelaic acid. The polymer is extruded as a sheet and biaxially oriented under described conditions to produce a clear film having a high glass transition temperature and improved elongation properties.
460289
Hill H. Wayne Jr.
Reed Jerry O.
Osler Hoskin & Harcourt Llp
Phillips Petroleum Company
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