How does Cross-Linking Effect the Thermal Stability of Polyisoprene

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Polymer Degradation and Stability


Polyisoprene can be cross-linked by an initial lithiation followed by reaction with both monochloro compounds and dichloro compounds. The monochloro compounds effect crosslinking through a lithium-chlorine exchange route while the use of dichloro compounds links the PIP chains with the spacer between the two chlorine atoms. A significant amount of char is produced from compounds which have been cross-linked with aromatic dihalides while aliphatic dihalides do not produce significant char.


Polymer Degradation and Stability, Volume 69, Issue 3, pp 287-296 (September, 2000). DOI: 10.1016/S0141-3910(00)00071-9