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Bromine as an initiator for the oligomerization of vinylformamide (VFA)

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Bromine was found to be an effective initiator for the cationically induced oligomerization of vinylformamide (VFA). Oligomeric products with molecular weights between 200 and 1500 g/mol were obtained. The structures of the oligo(vinylformamides) (OVFA) were investigated by means of NMR spectroscopy, GPC, and MALDI-TOF-MS. The influence of the reaction temperature on yield, DP, and head group functionality of the obtained OVFA was investigated. When the 1: 1 adduct of bromine with VFA was used as initiator at 253 K, also oligomeric products are obtained.

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Received: 1 Juni 1999/Revised version: 2 November 1999/Accepted: 3 December 1999

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Madl, A., Spange, S. & Mahr, N. Bromine as an initiator for the oligomerization of vinylformamide (VFA). Polymer Bulletin 44, 39–46 (2000).

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