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On the Nature of Order in Wholly Aromatic Liquid Crystalline Random Copolymers by A. Biswas is a Materials Science article available to read on EtoBox.
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## Abstract Two different models of order in the solid state of wholly aromatic liquid crystalline copolymers (ALCPs), namely the nonperiodic layer (NPL) model of Windle et al. and the paracrystalline lattice (PCL) model of Biswas and Blackwell, have been analyzed with respect to experimental and theoretical observations. The NPL model proposes the formation of ordered domains by matching random sequences between adjacent chains while the PCL model relies on the presence of conformational correlations between adjacent monomers, without explicit sequence matching, to form ordered domains. The presence of three‐dimensional order in the quenched state of ALCPs has been reported previously. The initial stages of crystallization are very likely to be assisted by the presence of small sequence matched domains. However, the probabilities for the formation of NPL domains having sizes comparable to those observed experimentally in the quenched state are extremely small. The PCL model, on the other hand, is not hampered by probability statistics and also provides a better fit to the experimental wide‐angle x‐ray scattering data along the fiber (Z) axis. The reported calorimetric data on ALCP
Who reads On the Nature of Order in Wholly Aromatic Liquid Crystalline Random Copolymers?
It is typically read by researchers, students, and practitioners in Materials Science.
- Author
- A. Biswas
- Publisher
- John Wiley and Sons; Wiley (John Wiley & Sons); John Wiley & Sons Inc.; Wiley (ISSN 0887-6266)
- Published
- 1992
- Language
- EN
- Field
- Materials Science (Physical Sciences)