Polymerization of styrene in N,N‐dimethylformamide and N,N‐dimethylacetamide
- 1 July 1964
- journal article
- research article
- Published by Wiley in Journal of Polymer Science Part A: General Papers
- Vol. 2 (7) , 3169-3178
- https://doi.org/10.1002/pol.1964.100020716
Abstract
The polymerization of styrene in N,N‐dimethylformamide and N,N‐dimethylacetamide at 60°C. initiated by 2,2′‐azobisisobutyronitrile has been studied. Rates of polymerization were measured dilatometrically and gravimetrically, and degrees of polymerization were determined viscometrically. The transfer constants to N,N‐dimethylformamide and N,N‐dimethylacetamide are 4.0 × 10−4 and 4.6 × 10−4, respectively. None of the existing reaction mechanisms of vinyl polymerization can account for all the experimental results, and various alternatives are examined.Keywords
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