Studies on the charge transfer complex and polymerization. XIV. Spontaneous copolymerization of 1‐methylcyclopropene and sulfur dioxide
- 1 September 1968
- journal article
- research article
- Published by Wiley in Journal of Polymer Science Part A-1: Polymer Chemistry
- Vol. 6 (9) , 2441-2449
- https://doi.org/10.1002/pol.1968.150060902
Abstract
Copolymerization between 1‐methylcyclopropene (MCP) and sulfur dioxide (SO2) was studied. It took place spontaneously even at a low temperature, and was found to be consistent with polymerization by a “living” radical, as suggested by the increase of reduced viscosity with conversion and by the formation of block polymers in the presence of acrylates. The rate of copolymerization was proportional to [MCP]3 and [SO2]2, and the overall activation energy of copolymerization was about 15.1 kcal/mole. A tentative mechanism to explain the experimental results is discussed.Keywords
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