Published October 1990
| public
Journal Article
Radical copolymerization of 2-ethylacrylic acid and methacrylic acid
- Creators
- You, Hong
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Tirrell, David A.
Abstract
Copolymers of 2-ethylacrylic acid (EAA) and methacrylic acid (MAA) were prepared in bulk and in N,N-dimethylformamide (DMF). Although precipitation of the copolymers was observed in bulk, the reaction mixtures remained apparently homogeneous in DMF. Best-fit terminal-model reactivity ratios were determined by a nonlinear least squares technique to be r_(MAA) = 1.14 and r_(EAA) = 0.23 in bulk, and r_(MAA) = 1.91 and r_(EAA) = 0.09 in 50% DMF solution. Examination of ^(13)C-NMR spectra provided convincing evidence for the formation of statistical copolymers. Copolymerizations richer in MAA provided copolymers of higher molecular weights.
Additional Information
© 1990 John Wiley & Sons. Received December 12, 1989; Accepted March 7, 1990. This work was supported by U.S. Army Research Office Grant No. DAAL03-88-K-0038. NMR spectra were recorded in the University of Massachusetts NMR Laboratory, which is supported in part by the NSF Materials Research Laboratory at the University.Additional details
- Eprint ID
- 54587
- DOI
- 10.1002/pola.1990.080281121
- Resolver ID
- CaltechAUTHORS:YOUjpsa1990
- Army Research Office (ARO)
- DAAL03-88-K-0038
- NSF
- Created
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2015-02-25Created from EPrint's datestamp field
- Updated
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2021-11-10Created from EPrint's last_modified field