Latex-state 13C-NMR spectroscopy for poly(butyl acrylate)
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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.
KeywordsLatex-state 13C-NMR Poly(butyl acrylate) Local motion
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.
Compliance with ethical standards
This work complies with ethical standards.
Conflict of interest
The authors declare that they have no conflict of interest.
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