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Method for preparing porous europium-manganese coordination polymer material and application thereof

A technology of coordination polymer and coordination water, which is applied in the field of combining inorganic chemistry and material chemistry, can solve problems such as consumption and multi-energy, and achieve the effects of simple process, good water stability and high yield.

Inactive Publication Date: 2013-08-28
NANKAI UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The purpose of the present invention is to solve the problem that the existing porous coordination polymer needs to be subjected to high-temperature desorption treatment before being used as a separation material, thereby consuming more energy, and provides a preparation method of a porous europium-manganese coordination polymer material and its application

Method used

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  • Method for preparing porous europium-manganese coordination polymer material and application thereof
  • Method for preparing porous europium-manganese coordination polymer material and application thereof
  • Method for preparing porous europium-manganese coordination polymer material and application thereof

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Embodiment 1

[0029] Eu(NO 3 ) 3 ·6H 2 O and 4-hydroxy-2,6-pyridinedioic acid were mixed at a molar ratio of 1:3 and 3 mL of DEF was added, put into a polytetrafluoroethylene liner of a hydrothermal reactor, and reacted at 90 °C for 72 h. Get Eu(H 2 CAM) 3 ·5H 2 O; then Eu(H 2 CAM) 3 ·5H 2 O and MnCl 2 4H 2 O was mixed in a molar ratio of 1:3, added 5 mL of water, put it into the polytetrafluoroethylene liner of the hydrothermal reactor, and reacted at 120 °C for 72 h; after cooling down 1.0 °C / h until 30 °C, filter , washed with water to obtain colorless strip crystals. Yield calculated based on Eu was 36%.

[0030] Characterization of porous europium-manganese coordination polymer materials:

[0031] (1) Structure determination of porous europium-manganese coordination polymer materials

[0032] The crystal structure was determined by using a Supernova X-ray single crystal diffractometer, using Mo-Kα rays (λ= 0.71073 ?) monochromated by graphite as the incident radiation, c...

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Abstract

The invention discloses a method for preparing a porous europium-manganese coordination polymer and an application thereof. The porous europium-manganese coordination polymer is a coordination compound in the following chemical formula: [Eu(CAM)(HCAM)2Mn2(H2O)7].7H2O, wherein CAM and HCAM respectively are obtained from 4-hydroxy-2,6-cinchomeronic acid, from which three hydrogen ions and two hydrogen ions are removed. The preparation method of the coordination polymer comprises the steps of mixing Eu(NO3)3.6H2O with 4-hydroxy-2,6-cinchomeronic acid according to the mol ratio of 1:3 and adding to DEF; reacting for 72 hours at 90 DEG C to obtain the coordination compound, namely Eu(H2CAM)3.5H2O; mixing the Eu(H2CAM)3.5H2O with MnCl2.4H2O according to the mol ratio of 1:3, adding to water to react for 72 hours at 120 DEG C; and cooling, filtering, standing and washing by a program to obtain the product. The coordination polymer contains a one-dimensional duct; the mixture of methanol and ethanol has a good separating effect at normal temperature and normal pressure, and has good cycle performance. The coordination polymer can separate fatty alcohol compounds without activation at normal temperature and normal pressure, and has good cycle performance. The coordination polymer has great significance in the aspects of preparation of separate materials and mechanism research.

Description

technical field [0001] The invention belongs to the technical field of combining inorganic chemistry and material chemistry, and relates to a porous europium-manganese coordination polymer material, in particular to a compound based on europium (III) ions, manganese (II) ions and 4-hydroxyl-2,6- Coordination polymer material constructed with pyridinedioic acid, preparation method and application thereof. Background technique [0002] The synthesis and properties of porous coordination polymers are one of the important research fields in inorganic chemistry and materials chemistry developed in the late 1990s. Since the pore size of coordination polymers with an open pore structure can be adjusted, and the inner wall of the pore can be modified, porous coordination polymers can be used as separation materials to complete the separation of many similar mixtures. In addition, this type of material also has the characteristics of large specific surface area and large pore volum...

Claims

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Application Information

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IPC IPC(8): C07F13/00C07C31/08C07C31/04C07C29/76
Inventor 程鹏牛政马建功师唯
Owner NANKAI UNIV
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