Undesorbed Dichloromethane in Zeolites Studied by Solid-State NMR

Kojima Natsuko; Hayashi Shigenobu

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Undesorbed Dichloromethane in Zeolites Studied by Solid-State NMR

机译：通过固态NMR研究的沸石中未受吸收的二氯甲烷

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We have studied the state of adsorbed dichloromethane molecules not removed by evacuation in several H-type zeolites, ZSM5, mordenite, beta, and Y, by means of solid-state NMR. The amount of undesorbed dichloromethane was determined by quantitative analysis of H-1 MAS NMR spectra. The strength and the amount of Bronsted acid sites could not explain the amount of the undesorbed dichloromethane. The channel size is the most probable to determine the amount. The H-1 and (13)CMAS NMR spectra as well as the H-2 static NMR spectra demonstrated that undesorbed dichloromethane is rather mobile.

机译：我们已经研究了通过固态NMR在几种H型沸石，ZSM5，MordeNite，Beta和Y中排出未除去的吸附二氯甲烷分子的状态。通过H-1MAS NMR光谱的定量分析测定未注重的二氯甲烷的量。伪造酸部位的强度和量不能解释未受吸收的二氯甲烷的量。信道大小是确定金额最可能的。 H-1和（13）CMAS NMR光谱以及H-2静态NMR光谱表明，未受吸收的二氯甲烷是相当移动的。

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《Bulletin of the Chemical Society of Japan》 |2011年第10期|共6页
作者
Kojima Natsuko; Hayashi Shigenobu;
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作者单位

Natl Inst Adv Ind Sci &

Technol Res Inst Instrumentat Frontier Tsukuba Ibaraki 3058565 Japan;

Natl Inst Adv Ind Sci &

Technol Res Inst Instrumentat Frontier Tsukuba Ibaraki 3058565 Japan;

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正文语种 eng
中图分类化学;
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1. Undesorbed Dichloromethane in Zeolites Studied by Solid-State NMR [J] . Kojima Natsuko, Hayashi Shigenobu Bulletin of the Chemical Society of Japan . 2011,第10期

机译：通过固态NMR研究的沸石中未受吸收的二氯甲烷
2. Host-Guest Interactions and Their Catalytic Consequences in Methanol to Olefins Conversion on Zeolites Studied by C-13-Al-27 Double-Resonance Solid-State NMR Spectroscopy [J] . Wang Chao, Xu Jun, Wang Qiang, ACS catalysis . 2017,第9期

机译：宿主 - 客体相互作用及其在甲醇中对烯烃转化的羟胺转化通过C-13-Al-27双共振固态NMR光谱研究
3. Methanol to hydrocarbons reaction over H beta zeolites studied by high resolution solid-state NMR spectroscopy: Carbenium ions formation and reaction mechanism [J] . Zhang Mozhi, Xu Shutao, Li Jinzhe, Journal of Catalysis . 2016,第Null期

机译：高分辨率固态NMR光谱研究Hβ沸石上甲醇与碳氢化合物的反应：碳离子的形成和反应机理
4. Dynamics of p-nitroaniline in the micropore of zeolite ZSM-5 studied by solid-state NMR [C] . Shigenobu Hayashi, Yoshihiko Komori 13th International Zeolite Conference, 13th, Jul 8-13, 2001, Montpellier, France . 2001

机译：固态NMR研究ZSM-5分子筛中对硝基苯胺的动力学
5. Gas dynamics studied via gas-phase NMR and solid-state NMR studies of quadrupolar nuclei. [D] . Logan, John William. 2003

机译：通过四极核的气相NMR和固态NMR研究了气体动力学。
6. Surface enhanced dynamic nuclear polarization solid-state NMR spectroscopy sheds light on Brønsted–Lewis acid synergy during the zeolite catalyzed methanol-to-hydrocarbon process [O] . Abhishek Dutta Chowdhury, Irina Yarulina, Edy Abou-Hamad, 2019

机译：在沸石催化的甲醇制烃过程中表面增强的动态核极化固态NMR光谱揭示了Brønsted-Lewis酸的协同作用
7. Beckmann Rearrangement of 15N-Cyclohexanone Oxime on Zeolites Silicalite-1, H-ZSM-5, and H-BZSM-5 Studied by Solid-State NMR Spectroscopy [O] . -1

机译：通过固态NMR光谱研究的沸石硅晶系-1，H-ZSM-5和H-B ZSM-5上的15N-环己酮肟的Beckmann重新排列
8. Quantification of ammonia binding sites in Davison (Type 3A) zeolite desiccant : a solid-state Nitrogen-15 MAS NMR spectroscopy investigation. [R] . 2004

机译：Davison（3a型）沸石干燥剂中氨结合位点的定量：固态氮-15 mas NmR光谱研究。

Undesorbed Dichloromethane in Zeolites Studied by Solid-State NMR

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