Cyclic imide dioximes: Formation and hydrolytic stability

Sung Ok Kang; Sinisa Vukovic; Radu Custelcean; Benjamin P. Hay

doi:10.1021/ie300492z

Cyclic imide dioximes: Formation and hydrolytic stability

Sung Ok Kang, Sinisa Vukovic, Radu Custelcean, Benjamin P. Hay

Chemical Separations Group

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84 Scopus citations

Abstract

Poly(acrylamidoximes) play an important role in the uranium extraction from seawater. The present work reports solution studies of simple analogues to address the formation and stability of two binding sites present in these polymers, open-chain amidoximes and cyclic imide dioximes, including: (1) conditions that maximize the formation of the cyclic form, (2) the existence of a base-induced conversion from open-chain to cyclic form, and (3) degradation under acid and base conditions.

Original language	English
Pages (from-to)	6619-6624
Number of pages	6
Journal	Industrial and Engineering Chemistry Research
Volume	51
Issue number	19
DOIs	https://doi.org/10.1021/ie300492z
State	Published - May 16 2012

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abstract = "Poly(acrylamidoximes) play an important role in the uranium extraction from seawater. The present work reports solution studies of simple analogues to address the formation and stability of two binding sites present in these polymers, open-chain amidoximes and cyclic imide dioximes, including: (1) conditions that maximize the formation of the cyclic form, (2) the existence of a base-induced conversion from open-chain to cyclic form, and (3) degradation under acid and base conditions.",

author = "Kang, {Sung Ok} and Sinisa Vukovic and Radu Custelcean and Hay, {Benjamin P.}",

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AU - Kang, Sung Ok

AU - Vukovic, Sinisa

AU - Custelcean, Radu

AU - Hay, Benjamin P.

PY - 2012/5/16

Y1 - 2012/5/16

N2 - Poly(acrylamidoximes) play an important role in the uranium extraction from seawater. The present work reports solution studies of simple analogues to address the formation and stability of two binding sites present in these polymers, open-chain amidoximes and cyclic imide dioximes, including: (1) conditions that maximize the formation of the cyclic form, (2) the existence of a base-induced conversion from open-chain to cyclic form, and (3) degradation under acid and base conditions.

AB - Poly(acrylamidoximes) play an important role in the uranium extraction from seawater. The present work reports solution studies of simple analogues to address the formation and stability of two binding sites present in these polymers, open-chain amidoximes and cyclic imide dioximes, including: (1) conditions that maximize the formation of the cyclic form, (2) the existence of a base-induced conversion from open-chain to cyclic form, and (3) degradation under acid and base conditions.

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Cyclic imide dioximes: Formation and hydrolytic stability

Abstract

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