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Synthesis and properties of a novel (main-chain)– (side-chain) polymeric peroxide
Article first published online: 20 DEC 2000
DOI: 10.1002/1097-4628(20010228)79:9<1549::AID-APP20>3.0.CO;2-G
Copyright © 2000 John Wiley & Sons, Inc.
1097-4628/asset/cover.gif?v=1&s=e26a028b9ea53b1db3bdcdf154d4f4fab00f90a5 "Journal of Applied Polymer Science")
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How to Cite
Nanda, A. K., Jayaseharan, J. and Kishore, K. (2001), Synthesis and properties of a novel (main-chain)– (side-chain) polymeric peroxide. J. Appl. Polym. Sci., 79: 1549–1555. doi: 10.1002/1097-4628(20010228)79:9<1549::AID-APP20>3.0.CO;2-G
Publication History
- Issue published online: 20 DEC 2000
- Article first published online: 20 DEC 2000
- Manuscript Accepted: 28 MAR 2000
- Manuscript Received: 1 SEP 1999
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Keywords:
- polyperoxide;
- (main-chain)-(side-chain);
- autoacceleration
Abstract
A novel (main-chain)-(side-chain) vinyl polyperoxide, poly(dipentene peroxide) (PDP), an alternating copolymer of dipentene (DP) and oxygen, has been synthesized by thermal oxidative polymerization of DP. The PDP was characterized by 1H NMR, 13C NMR, FTIR, DSC, TGA, and EI-MS studies. The overall activation energies of the degradation from Kissinger's method were 28 and 33 kcal/mol, respectively, for the endocyclic and acyclic peroxide units. The side-chain peroxy groups were found to be thermally more stable than the main chain. Above 45°C the rate of polymerization increases sharply at a particular instant showing an “autoacceleration” with the formation of knee point. The kinetics of autoacceleration has been studied at various temperatures (45–70°C) and pressures (50–250 psi). © 2000 John Wiley & Sons, Inc. J Appl Polym Sci 79: 1549–1555, 2001