Influence of polyimide precursor synthesis route and ortho-position functional group on thermally rearranged (TR) polymer properties: Conversion and free volume

Thermal rearrangement of polyimides with ortho-position groups to polybenzoxazoles and related structures has been of recent interest for producing gas separation membranes. This study explores the influence of synthesis route and ortho-position functional group on the thermal rearrangement process...

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Bibliographic Details
Published in:	Polymer (Guilford) Vol. 55; no. 7; pp. 1636 - 1647
Main Authors:	Sanders, David F., Guo, Ruilan, Smith, Zachary P., Liu, Qiang, Stevens, Kevin A., McGrath, James E., Paul, Donald R., Freeman, Benny D.
Format:	Journal Article
Language:	English
Published:	Kidlington Elsevier Ltd 01-04-2014 Elsevier
Subjects:	Applied sciences Chemical modifications Chemical reactions and properties Exact sciences and technology Membrane Organic polymers Physicochemistry of polymers Polybenzoxazole TR polymer Polybenzoxazole TR polymer Membrane Polyimide Fluorine containing polymer Aromatic polymer Free volume Head to head polymer Benzoxazole copolymer Thermal reaction Experimental study Property processing relationship Density Functional polymer Leaving group effect Chemical modification Decarboxylation Phenylene copolymer
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