Oxidative copolymerization: microstructure analysis of the terpolymer of styrene, methyl methacrylate, and oxygen

Jayanthi, Saraswathyammal ; Kishore, Kaushal (1993) Oxidative copolymerization: microstructure analysis of the terpolymer of styrene, methyl methacrylate, and oxygen Macromolecules, 26 (8). pp. 1985-1989. ISSN 0024-9297

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Official URL: http://pubs.acs.org/doi/abs/10.1021/ma00060a029

Related URL: http://dx.doi.org/10.1021/ma00060a029

Abstract

This paper reports the first study of the microstructure of a copolyperoxide by nuclear magnetic resonance spectroscopy. The copolyperoxides of styrene and methyl methacrylate (MMA) of various compositions have been synthesized. An analysis of the resonance signal of the backbone methylene protons gave the diad sequence probabilities which led to the calculation of the oxidative copolymerization reactivity ratios for styrene and MMA and the microstructural parameters like average chain length of the repeat unit sequences, run number, etc. The results point to the tendency of the SO1 and MO:! units to alternate in the chain. Compared to poly(styrene peroxide), the aromatic C1 seems to be stereosensitive in the terpolymers.

Item Type:Article
Source:Copyright of this article belongs to American Chemical Society.
ID Code:31776
Deposited On:19 Mar 2011 13:15
Last Modified:19 Mar 2011 13:15

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