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Solution and rheological properties of poly( m ‐phenyleneisophthalamide) in dimethylacetamide/LiCl by Daniel Harwood; Hiroshi Aoki; Yu‐Der Lee; John F. Fellers; James L. White is a Materials Science article available to read on EtoBox.

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## Abstract An experimental study of the solution properties of poly(__m__‐phenyleneisophthalamide) (MPD‐I) in dimethylacetamide (DMA)/LiCl solutions is presented. Differential refractometry, light scattering photometry, dilute and concentrated solution viscometry, and normal stress experiments are reported and interpreted. This polymer in the concentration range investigated does not exhibit mesophase behavior in contrast to its para‐linked analog. Generally, it behaves as a flexible polymer molecule; however, its capacity to become a polyelectrolyte strongly influences its behavior in the presence of LiCl. MPD‐I is self‐associated when dissolved in pure DMA but dissociates in DMA/LiCl solvent systems. The Zimm plots of MPD‐I in DMA/LiCl solutions show distortion, probably due to polymer–salt interactions.

Who reads Solution and rheological properties of poly( m ‐phenyleneisophthalamide) in dimethylacetamide/LiCl?

Author

Daniel Harwood; Hiroshi Aoki; Yu‐Der Lee; John F. Fellers; James L. White

Publisher

John Wiley and Sons; Wiley (John Wiley & Sons); John Wiley & Sons Inc.; Wiley (ISSN 0021-8995)

Published

1979

Language

EN

Field

Materials Science (Physical Sciences)