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July 15, 1997Journal of Polymer Science Part A Polymer ChemistryOpen Access

Synthesis and functionalities of poly (N-vinylalkylamide). IV. Synthesis and free radical polymerization ofN-vinylisobutyramide and thermosensitive properties of the polymer

Kazuo Suwa Yoshihiro Wada Yoshihiro Kikunaga Keitaro Morishita Akio Kishida Mitsuru Akashi

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Abstract

Pyrolysis of (N-α-isopropoxyethyl)isobutyramide, which was obtained by the reaction of isobutyramide, 2-propanol, and acetaldehyde in the presence of conc. sulfuric acid, produced N-vinylisobutyramide (NVIBA). The free radical polymerization of NVIBA was carried out in various solvents in the presence of a radical initiator. It was found that the polymerizability of NVIBA is similar to that of N-vinylacetamide. The resulting polyNVIBA showed a lower critical solution temperature (LCST) sharply at 39°C. Thermosensitive properties of polyNVIBA were investigated in comparison with poly(N-isopropylacrylamide).

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Suwa et al. (1997) studied this question.

synapsesocial.com/papers/6aab7367db836b75b126ed26 https://doi.org/10.1002/(sici)1099-0518(19970715)35:9<1763::aid-pola17>3.0.co;2-3

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