I am doing chemical oxidative polymerization of aniline with APS.
Dear Sir;
this is usually done by quenching the active species. Please refer to the following attached files. Regards
I agree with Dr. Abdelkader. in the same line, I like to add that you can add methanol to stop the polymerization further.
yes! you can add methanol or acetone to stop the polymerization of aniline.
The question asked is not how to quench the polymerization, but to temporarily halt the polymerization. Using a quench as everyone above has suggested will stop the polymerization, but would then make it quite difficult to restart any polymerization without first isolating the polymer. The most simple way to temporarily halt polymerization so that one can then reinitiate it again is the application of electropolymerization methods where one can control oxidation by the potential applied. As the potential needed is also dependent on pH, pH could be used for some level of control, but would be much more difficult than simple control of the applied potential.
Thank you Seth C Rasmussen for your valuable suggestions.
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