By Leo Mandelkern
Within the Crystallization of Polymers, 2d version, Leo Mandelkern offers a self-contained, finished and up to date therapy of polymer crystallization. All sessions of macromolecules are integrated and the method is thru the elemental disciplines of chemistry and physics. The e-book discusses the thermodynamics and actual homes that accompany the morphological and structural adjustments that happen whilst a set of molecules of very excessive molecular weight are reworked from one kingdom to a different. quantity I is a presentation of the equilibrium options that function a foundation for the next volumes.
Read or Download Crystallization of polymers, Equilibrium concepts PDF
Best crystallography books
Amazing learn starts off with basics of x-ray diffraction thought utilizing Fourier transforms, then applies basic effects to varied atomic constructions, amorphous our bodies, crystals and imperfect crystals. hassle-free legislation of X-ray diffraction on crystals persist with as particular case. hugely beneficial for solid-state physicists, metallographers, chemists and biologists.
X-ray crystallography presents us with the main exact photo we will get of atomic and molecular buildings in crystals. It offers a difficult bedrock of structural ends up in chemistry and in mineralogy. In biology, the place the constructions usually are not totally crystalline, it could possibly nonetheless supply worthy effects and, certainly, the influence the following has been progressive.
Crystallography is among the such a lot multidisciplinary sciences, with roots in fields as assorted as arithmetic, physics, chemistry, biology, fabrics technological know-how, computation and earth and planetary technological know-how. The structural wisdom received from crystallography has been instrumental in buying new degrees of knowing in several medical parts.
During this thesis Johanna Bruckner experiences the invention of the lyotropic counterpart of the thermotropic SmC* section, which has turn into well-known because the in simple terms spontaneously polarized, ferroelectric fluid in nature. by way of polarizing optical microscopy, X-ray diffraction and electro-optic experiments she firmly establishes points of the constitution of the unconventional lyotropic liquid crystalline section and elucidates its interesting homes, between them a suggested polar electro-optic influence, analogous to the ferroelectric switching of its thermotropic counterpart.
Extra info for Crystallization of polymers, Equilibrium concepts
2 ◦ C. 4 Morphological features 21 Fig. 12 Electron micrograph of linear polyethylene (Mv = 50 000) isothermally crystallized at 89 ◦ C from a dilute tetralin solution. (Courtesy of Dr. R. V. Rice) Most interesting is the fact that chain axes are preferentially ordered normal or nearly normal to the basal planes of the lamellae. The lamellar habit is typical of crystallites formed by homopolymers. Such structures are central to the understanding of molecular morphology and properties. Of particular interest and importance is the nature of the interphase between the crystalline and noncrystalline regions.
Polym. , 18, 27 (1980). 20. Fetters, L. , D. J. Lohse and R. H. Colby, in Physical Properties of Polymers Handbook, J. E. , American Institute of Physics (1996) p. 335. 21. Fetters, L. , D. J. Lohse and W. W. Graessley, J. Polym. : Pt. B: Polym. , 37, 1023 (1999). 22. Natta, G. and P. Corradini, Rubber Chem. , 33, 703 (1960). 23. Bunn, C. W. and D. R. Holmes, Discuss. , 25, 95 (1958). 24. Liquori, A. , 8, 345 (1955). 25. Bunn, C. W. and E. R. Howells, Nature, 174, 549 (1954). 26. , R. B. Corey and H.
N. Timasheff and M. J. , Interscience Publishers (1963). 9. , Z. , 31, 253 (1925). 9a. , W. L. Mattice and U. W. Suter, Adv. Polym. , 131/132, SpringerVerlag (1997). 10. Williams, A. D. and P. J. Flory, J. Polym. Sci. A-2, 5, 417 (1967). 11. , P. J. Flory and J. P. Hummel, Macromolecules, 13, 484 (1980). 12. Flory, P. , Principles of Polymer Chemistry, Cornell University Press (1953) p. 602. 13. Flory, P. , Faraday Discuss. Chem. , 68, 14 (1979). 14. , P. J. Flory and D. G. Wignall, Macromolecules, 16, 1328 (1983).