Abstract
Classical theories of rubber elasticity1 are based on the flexible-chain model. A flexible chain may be classified as one with a characteristic ratio of the order of unity. The elasticity of the network is primarily of intramolecular origin arising from the entropy of the individual chains. Intermolecular contributions are of secondary importance. The phantom network model in which the chains do not experience any interaction with their neighbors seems to be a good firstorder approximation for real networks that consist of flexible chains. Recently, a large body of experimental work has been reported on networks made by crosslinking semi-flexible or semi-rigid chains. Stress-strain, swelling and birefringence measurements on these networks show significant deviations from the predictions of the classical network model. Among these networks are those prepared from aromatic polyamide chains2,3 from cellulose and amylose4–6 and from side-chain and main-chain liquid-crystalline systems.7–11 The chains constituting these networks have characteristic ratios which are several orders of magnitude larger than those of classical flexible chains. The networks are marked with very high degree of segmental orientability under macroscopic deformation and a discontinuous stress-strain behavior indicating a phase transition under external stress. These experimental observations can not be predicted by the classical network theories. Instead, a theory recognizing the reduced flexibility of these semi-rigid chains is required.
Access this chapter
Tax calculation will be finalised at checkout
Purchases are for personal use only
Preview
Unable to display preview. Download preview PDF.
References
Mark, J. E.; Erman, B. Rubberlike Elasticity: A Molecular Primer ,Wiley Interscience: New York, 1988.
Aharoni, S. M.; Edwards, S. F. Macromolecules 1989, 22 ,3361.
Aharoni, S. M.; Hatfield, G. R.; O’Brien, K. P. Macromolecules 1990, 23 ,1330.
Erman, B.; Bahar, I.; Yang, Y.; Kloczkowski, A.; Mark, J. E. In P&G New York, 1991
Song, C. Q.; Litt, M. H.; Manas-Zloczower, I. In Polymeric Materials Science and Engineering; American Chemical Society: Washington, D. C., 1990; p 445.
Song, C. Q.; Litt, M. H.; Manas-Zloczower, I. J. Appl. Polym. Sci. 1991, 42 ,2517.
Matoussi, H.; Ober, R.; Veyssie, M.; Finkelmann, H. Europhysics Letters 1986,2, 233.
Zentel, R.; Reckert, G. Makromol. Chemie. 1986, 187 ,1915.
Zentel, R.; Benalia, M. Makromol. Chemie. 1987, 188 ,665.
Schatzle, J.; Kaufhold, W.; Finkelmann, H. Makromol. Chemie. 1989, 190 ,3269.
Zentel, R. Angew. Chem. Int. Ed. Engl. Adv. Mater. 1989, 28 ,1407.
Flory, P. J. In The Materials Science and Engineering of Rigid Rod Polymers 1989; p 3.
Abe, A.; Ballauff, M. In Liquid crystallinity in polymers A. Ciferri, Ed.; VCH: 1991.
Ballauff, M.; Wu, D.; Flory, P. J.; Barrall, E. M. Ber. Bunsenges. Phys. Chem. 1984, 88 ,524.
Erman, B.; Flory, P. J.; Hummel, J. P. Macromolecules 1980, 13 ,484.
Jung, B.; Schürmann, B. L Macromolecules 1989, 22 ,477.
Lautenschlager, P.; Brickmann, J.; Ruiten, J.; Meier, R. J. Macromolecules 1991,24, 1284.
Gilbert, R. D.; Patton, P. A. Prog. Poly. Sci. 1983, 9 ,115.
Bur, A. J.; Fetters, L J. Chem. Revs. 1976, 76 ,727.
Schaefgen, J. R.; Flory, P. J. J. Am. Chem. Soc. 1950, 72 ,689.
de Gennes, P. G. C. R. Acad. Sci. Ser. 61975, 281 ,101.
Wang, X. J.; Warner, M. J. Phys. A: Math. Gen 1986, 19 ,2215.
Wang, X. J.; Warner, M. J. Phys. A: Math. Gen 1987, 20 ,713.
Warner, M.; Gelling, K.; Vilgis, T. J. C. P. J. Chem. Phys. 1988, 88 ,4408.
Renz, W.; Warner, M. Proc. R. Soc. London 1988, A417 ,213.
Warner, M. In Side chain liquid crystal polymers C. B. Mc Ardle, Ed.; Chapman & Hall: New York, 1989; p 7.
Warner, M.; Wang, X. J. Macromolecules 1991, 24 ,4932.
Warner, M.; Wang, X. J. Macromolecules 1992, 25 ,445.
Abramchuk, S. S.; Khoklov, A. R. Dokl. Phys. Chem. 1988, 297 ,1069.
Bahar, I.; Erman, B.; Kloczkowski, A.; Mark, J. E. Macromolecules 1990, 23,5341.
Erman, B.; Bahar, I.; Kloczkowski, A.; Mark, J. E. Macromolecules 1990, 23 ,5335.
Erman, B.; Bahar, I.; Kloczkowski, A.; Mark, J. E. In Elastomeric Polymer Networks; J. E. Mark B. Erman, Ed.; Prentice Hall: New Jersey, 1992; p 142.
Kloczkowski, A.; Mark, J. E.; Erman, B.; Bahar, I. In ; I. Noda, Ed.; 1992.
Di Marzio, E. A. J. Chem. Phys. 1962, 36 ,1563.
Tanaka, T.; Allen, G. Macromolecules 1977, 10 ,426.
Flory, P. J. Proc. R. Soc., London, Ser. A. 1954, 234 ,73.
Flory, P. J.; Ronca, G. Mol. Cryst. Liq. Cryst. 1979, 54 ,289.
Flory, P. J.; Ronca, G. Mol. Cryst. Liq. Cryst. 1979, 54 ,311.
Warner, M.; Flory, P. J. J. Chem. Phys. 1980, 73 ,6327.
Jarry, J. P.; Monnerie, L Macromolecules 1979, 12 ,316.
Author information
Authors and Affiliations
Editor information
Editors and Affiliations
Rights and permissions
Copyright information
© 1992 Springer Science+Business Media New York
About this chapter
Cite this chapter
Erman, B., Bahar, I., Kloczkowski, A., Mark, J.E. (1992). Networks with Semi-Flexible Chains. In: Aharoni, S.M. (eds) Synthesis, Characterization, and Theory of Polymeric Networks and Gels. Springer, Boston, MA. https://doi.org/10.1007/978-1-4615-3016-9_9
Download citation
DOI: https://doi.org/10.1007/978-1-4615-3016-9_9
Publisher Name: Springer, Boston, MA
Print ISBN: 978-1-4613-6314-9
Online ISBN: 978-1-4615-3016-9
eBook Packages: Springer Book Archive