Microcellular heterocyclic polymer structures

Details Microcellular heterocyclic polymer structures Microcellular heterocyclic polymer structures

G - Physics

11

B

18/24

G11B 5/702 (2006.01) B01D 71/62 (2006.01) B01D 71/64 (2006.01) B01D 71/68 (2006.01) C08J 9/28 (2006.01) G03C 1/76 (2006.01) G11B 5/73 (2006.01) H01L 23/29 (2006.01)

Patent

CA 1053866

Abstract of the Disclosure Highly useful novel microcellular polymeric structures, especially films and fibers, are prepared from certain solid heterocyclic polymers by novel techniques. The polymer is first solvent cast; the structure is then precipitated by contact with a non-solvent such as water and thereafter dried completely.

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