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Latex-state 13C-NMR spectroscopy for poly(butyl acrylate)

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Abstract

The resolution and the relaxation time of poly(butyl acrylate) in latex-state 13C-NMR spectroscopy are associated with local motions of the polymer in a dispersoid. Latexes were prepared by emulsion polymerization of butyl acrylate with ammonium persulfate. The latex-state 13C-NMR spectra were measured at 323–353 K with a spectrometer operating at 399.7 and 100.4 MHz for 1H and 13C, respectively. The half width of the latex-state 13C-NMR spectrum depends on the temperature. The half width and the spin-spin relaxation time, T2, are superimposed onto the master curve with a reference temperature, TX.

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Funding

This work was supported in part by a Grant-in-Aid (16H02291) for Scientific Research (A) from the Japan Society for the Promotion of Science.

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Correspondence to Seiichi Kawahara.

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Iizuka, Y., Yamamoto, Y. & Kawahara, S. Latex-state 13C-NMR spectroscopy for poly(butyl acrylate). Colloid Polym Sci 297, 133–139 (2019). https://doi.org/10.1007/s00396-018-4444-2

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  • DOI: https://doi.org/10.1007/s00396-018-4444-2

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