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1H-NMR study of interactions of dimethyl ester of 2,2,4,4-tetramethylglutaric acid with stereoregular poly(methyl methacrylates) in solution

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Summary

Studies of integrated band intensities in high resolution (HR) 1H NMR spectra of the dimethyl ester of 2,2,4,4-tetra-methylglutaric acid (DMTMGA) in solutions containing stereo-regular poly(methyl methacrylate)(PMMA) have shown that a part of the DMTMGA molecules interact with PMMA. In this interaction DMTMGA behaves similarly as syndiotactic (s) PMMA. DMTMGA can link-up in self-aggregates of s-PMMA, and also replace s-PMMA in interaction with isotactic (i) PMMA forming an analog of the PMMA stereocomplex. An analogy of the conformational structure of DMTMGA and of the s-sequences in the aggregates of PMMA is discussed.

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Spěváček, J., Schneider, B. & Mihailov, M. 1H-NMR study of interactions of dimethyl ester of 2,2,4,4-tetramethylglutaric acid with stereoregular poly(methyl methacrylates) in solution. Polymer Bulletin 8, 171–177 (1982). https://doi.org/10.1007/BF00263024

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  • DOI: https://doi.org/10.1007/BF00263024

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