The reaction of an aromatic heterocycle with a proton is called a protonation. One of articles about this theory is 《Theory of chain-end activated degradation of heterodisperse polymers》. Authors are Gordon, Manfred.The article about the compound:2-Methylglutaronitrilecas:4553-62-2,SMILESS:N#CC(C)CCC#N).Application In Synthesis of 2-Methylglutaronitrile. Through the article, more information about this compound (cas:4553-62-2) is conveyed.
The theory treated steady-state degradation. Previous data on the initial degradation rates of poly-(methyl methacrylate) as a function of DPn (mean chain length) were fitted to asymptotic solutions for high and low DPn, but diverged largely from the solution for intermediate regions. Because of the simplicity of the solution for exponentially distributed polymer, a small random scission component, superposed on chain-end activated zipping, was treated with ample accuracy to fit published data for DPn decay during degradation of polystyrene. The data were not sufficiently accurate to distinguish between random splitting, weak-link scission, or scission following chain transfer to polymer. The rate curves on low-mol.-weight polystyrene at high temperature by Madorsky (C.A. 46, 10813h) were fitted to the improved theory, assuming termination by disproportionation. The data of Grassie and Kerr (C.A. 46, 7857f; 51, 12611d) for high-mol.-weight polystyrene at low temperature was fitted, assuming 1st-order radical termination.
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Reference:
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com