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Radical copolymerization of 2-ethylacrylic acid and methacrylic acid

You, Hong and Tirrell, David A. (1990) Radical copolymerization of 2-ethylacrylic acid and methacrylic acid. Journal of Polymer Science Part A: Polymer Chemistry, 28 (11). pp. 3155-3163. ISSN 0887-624X. doi:10.1002/pola.1990.080281121.

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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.

Item Type:Article
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Tirrell, David A.0000-0003-3175-4596
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.
Funding AgencyGrant Number
Army Research Office (ARO)DAAL03-88-K-0038
Issue or Number:11
Record Number:CaltechAUTHORS:YOUjpsa1990
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Official Citation:You, H. and Tirrell, D. A. (1990), Radical copolymerization of 2-ethylacrylic acid and methacrylic acid. J. Polym. Sci. A Polym. Chem., 28: 3155–3163. doi: 10.1002/pola.1990.080281121
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:54587
Deposited By: Anne Hormann
Deposited On:25 Feb 2015 03:51
Last Modified:10 Nov 2021 20:35

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