Extrusion process of polyimide and polyimide pellet used for...

Details Extrusion process of polyimide and polyimide pellet used for... Extrusion process of polyimide and polyimide pellet used for...

B - Operations, Transporting

29

B

18/798, 18/946

B29B 9/16 (2006.01) B29B 9/06 (2006.01) B29B 9/10 (2006.01) C08G 73/10 (2006.01) C08J 3/12 (2006.01)

Patent

CA 2013784

ABSTRACT OF THE DISCLOSURE Polyimide which is obtained by polymerization and consists essentially of recurring structural units of the formula (I): (I) Image wherein X is a single bond or a hexafluoroisopropylidene group, is processed to a form of pellet, followed by heat-treating to obtain crystallinity of 5 % or more, and fed to an extruder to obtain articles.

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