By Serban C. Moldoveanu
Analytical Pyrolysis of man-made natural Polymers is a follow-up to Analytical Pyrolysis of traditional natural Polymers, that's quantity 20 of the sequence. the main target of the ebook is on functional purposes of analytical pyrolysis in man made natural polymer identity and characterization.
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Additional resources for Analytical Pyrolysis Of Synthetic Organic Polymers
In the bridged systems, the double bond is formed away from the bridgehead. Also, for the Ei mechanism, a cis 13hydrogen is required. Therefore, in cyclic systems, if there is a cis hydrogen on only one side, the double bond will go that way. However, when there is a six-membered transition state, this does not necessarily mean that the leaving groups must be cis to each other, since such transition states do not need to be completely coplanar. If the leaving group is axial, then the hydrogen must be equatorial and cis to the leaving group, since the transition state cannot be realized when the groups are both axial.
The measurement of many other polymer characteristics are of practical importance. Among these are various electrical properties such as volume resistivity, surface resistivity, dielectric constant, arc resistance, etc. Also, solubility properties, polymerpolymer compatibility , chemical resistance, resistance to radiations, etc. g. ). 6 1. D. W. Van Krevelen, Properties of Polymers, Elsevier, Amsterdam, 1990. 2. F. W. , Textbook of Polymer Science, Wiley, New York, 1971. 3. W. ), Handbook of Size Exclusion Chromatography, M.
O---P--O---R, ! N = = P . . . N==P .......... I R phosphonate ester J J N = = I = ..... (DR NR2 NR2 substituted substituted substituted dioxyphosphazene aminooxyphosphazene diaminophosphazene The variety of polymers is very large, and special polymers difficult to classify in any of the above groups also are known. The classification of polymers previously described has been used in this book for the discussion of pyrolysis results. An important class of polymers that is not discussed here is that of chemically modified natural polymers (or semisynthetic polymers).