Polymerization of Acrylonitrile Initiated by 1,4-Dimethyl-1,4-bis(p-nitrophenyl)-2-tetrazene |
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| Authors: | T. Oda T. Maeshma K. Sugiyama |
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| Affiliation: | 1. Kinki University Faculty of Science and Engineering , Higashi Osaka-shi, Osaka, 577, Japan;2. Kinki University Faculty of Engineering , Hiro-machi, Kure-shi, Hiroshima, 737-01, Japan |
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| Abstract: | The polymerization of acrylonitrile (AN) initiated by 1,4-dimethyl-1,4-bis(p-nitrophenyl)-2-tetrazene (Ie) was studied in dimethylformamide (DMF) at high temperature. The polymerization proceeds by a radical mechanism. The rate of polymerization is proportional to [Ie]0.64 and [AN]1.36. The overall activation energy for the polymerization is 21.5 kcal/mole within the temperature range of 115-130°C. The chain transfer of Ie was also undertaken over the temperature range of 120-135°C. The activation parameters for the decomposition of Ie at 120°C are kd = 2.78 × 10?6 sec?1, ΔH? = 40.8 kcal/mole, and ΔS? = 19.5 cal/mole-deg, respectively. |
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