Relating alkaline stability to the structure of quaternary phosphonium cations

Zhang Bingzi; Long Hai; Kaspar Robert B.; Wang Junhua; Gu Shuang; Zhuang Zhongbin; Pivovar Bryan; Yan Yushan

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Relating alkaline stability to the structure of quaternary phosphonium cations

机译：将碱性稳定性与季鏻阳离子结构相关

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Alkali-stable quaternary phosphonium (QP) is a type of cationic group for hydroxide exchange membranes (HEMs). To elucidate the relationship between structure and alkaline stability, we investigated the kinetics and degradation mechanism of a series of QP cations by both experiment and computation, and established a semi-empirical formula based on the Taft equation to directly estimate alkaline stability of QP cations from the P-31 NMR chemical shift delta and the steric substituent constant E-s, facilitating the search for QP cations with improved alkaline stability.

机译：碱稳定季鏻（QP）是一种氢氧化物交换膜（下摆）的阳离子组。为了阐明结构和碱性稳定性之间的关系，我们通过实验和计算研究了一系列QP阳离子的动力学和降解机制，并建立了基于塔夫斯方程的半经验公式，直接估计QP阳离子的碱性稳定性 P-31 NMR化学移δ和空间取代基常数ES，促进了碱性稳定性改善的QP阳离子。

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来源
《RSC Advances》 |2018年第47期|共6页
作者
Zhang Bingzi; Long Hai; Kaspar Robert B.; Wang Junhua; Gu Shuang; Zhuang Zhongbin; Pivovar Bryan; Yan Yushan;
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作者单位

Univ Delaware Dept Chem &

Biomol Engn Newark DE 19716 USA;

Natl Renewable Energy Lab MS ESIF302 15013 Denver West Pkwy Golden CO 80401 USA;

Univ Delaware Dept Chem &

Biomol Engn Newark DE 19716 USA;

Univ Delaware Dept Chem &

Biomol Engn Newark DE 19716 USA;

Wichita State Univ Dept Mech Engn Wichita KS 67260 USA;

Beijing Univ Chem Technol State Key Lab Organ Inorgan Composites Beijing 100029 Peoples R China;

Natl Renewable Energy Lab MS ESIF302 15013 Denver West Pkwy Golden CO 80401 USA;

Univ Delaware Dept Chem &

Biomol Engn Newark DE 19716 USA;

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正文语种 eng
中图分类化学;
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1. Relating alkaline stability to the structure of quaternary phosphonium cations [J] . Zhang Bingzi, Long Hai, Kaspar Robert B., RSC Advances . 2018,第47期

机译：将碱性稳定性与季鏻阳离子结构相关
2. Self-cross-linked quaternary phosphonium based anion exchange membranes: assessing the influence of quaternary phosphonium groups on alkaline stability [J] . Papakonstantinou Pileas, Deimede Valadoula RSC Advances . 2016,第115期

机译：自交联的季鏻基于阴离子交换膜：评估季鏻基团对碱性稳定性的影响
3. Self-cross-linked quaternary phosphonium based anion exchange membranes: assessing the influence of quaternary phosphonium groups on alkaline stability [J] . Pileas Papakonstantinou, Valadoula Deimede RSC Advances . 2016,第115期

机译：自交联的季鏻基于阴离子交换膜：评估季鏻基团对碱性稳定性的影响
4. Alkaline Stability Study of Quaternary Phosphonium Cations [C] . Bingzi Zhang, Robert Kaspar, Junhua Wang AIChE Annual Meeting . 2014

机译：季鏻阳离子的碱性稳定性研究
5. Synthesis, structures, electronic structures and physical properties of quaternary alkali, alkaline earth, rare earth and transition metal pnictides [D] . Wang, Yi 2015

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6. Structure-Guided Systems-Level Engineering of Oxidation-Prone Methionine Residues in Catalytic Domain of an Alkaline α-Amylase from Alkalimonas amylolytica for Significant Improvement of Both Oxidative Stability and Catalytic Efficiency [O] . Haiquan Yang, Long Liu, Hyun-dong Shin, -1

机译：结构为导向的系统级氧化暗疮蛋氨酸残留的碱性催化结构域的工程α-淀粉酶从alkalimonas amylolytica为两个氧化稳定性和催化效率的显着改善
7. Relating alkaline stability to the structure of quaternary phosphonium cations [O] . Bingzi Zhang, Hai Long, Robert B. Kaspar, 2018

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8. Theory of Interactions of Intense Light with Nonlinear, Inhomogeneous, and Periodic Structures and Its Applications to Optical Bistability, Optic Gyroscopes, Nonlinear Spectroscopy, Radiation Protection, X-Ray Emission, and Relate [R] . Kaplan, A. E. 1987

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Relating alkaline stability to the structure of quaternary phosphonium cations

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