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Synthesis of two-dimensional coordination polymer based on structure inducer, preparation method and application thereof

A technology of coordination polymer and structure inducer, applied in chemical instruments and methods, water pollutants, water/sludge/sewage treatment, etc. Less problems such as high efficiency, mild reaction conditions, and avoiding secondary pollution

Inactive Publication Date: 2019-01-22
ANHUI UNIVERSITY OF ARCHITECTURE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In the prior art, there are few types of coordination polymer materials, and the output of related synthesis methods is not high, it is difficult to scale up to industrial applications, and there is no practical application prospect

Method used

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  • Synthesis of two-dimensional coordination polymer based on structure inducer, preparation method and application thereof
  • Synthesis of two-dimensional coordination polymer based on structure inducer, preparation method and application thereof
  • Synthesis of two-dimensional coordination polymer based on structure inducer, preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0045] Preparation of two-dimensional coordination polymers based on structure-inducing agents:

[0046] Dissolve 0.034g of copper chloride dihydrate and 0.044g of BTT in 1mL of water, and dissolve 0.025g of pyromellitic acid in 4mL of DMF. After mixing the two solutions, adjust the pH to about 2 with hydrochloric acid, and place them in a static environment at 60°C. Set aside for 3 days, cooled to room temperature, filtered with suction, washed 3 times with 3 mL of ethanol, and dried the filter cake at 60°C for 24 hours to obtain blue crystal 2[Cu(H 4 BTC)] 4+ 2Cl - 4(H 2 O) 0.031g, productive rate 34.4%, product molecular formula is C 20 h 26 Cl 4 Cu 2 o 23 .

[0047] Elemental analysis: theoretical value: H: 2.91%; C: 26.67%, test value: 2.64%; 26.35%.

[0048] The two-dimensional coordination polymer prepared by the present invention is a two-dimensional layered structure, and each metal Cu 2+The ion coordinates with four carboxyl oxygen atoms from four different...

Embodiment 2

[0084] Preparation of two-dimensional coordination polymers based on structure-inducing agents:

[0085] Dissolve 0.048g of copper nitrate trihydrate and 0.044g of BTT in 1mL of water, and dissolve 0.025g of pyromellitic acid in 4mL of DMF. After mixing the two solutions, adjust the pH to about 2 with hydrochloric acid, and place them at 60°C After 3 days, after cooling to room temperature, filter with suction, wash with 3 mL of ethanol for 3 times, and dry the filter cake at 60° C. for 24 hours to obtain 0.058 g of a blue crystal product with a yield of 64.4%.

Embodiment 3

[0087] Preparation of two-dimensional coordination polymers based on structure-inducing agents:

[0088]Dissolve 0.048g of copper nitrate trihydrate and 0.044g of TTP in 1mL of water, and dissolve 0.025g of pyromellitic acid in 4mL of DMF. After mixing the two solutions, adjust the pH to about 2 with hydrochloric acid, and place them at 60°C After 3 days, it was cooled to room temperature, filtered with suction, washed with 3 mL of ethanol for 3 times, and dried at 60° C. for 24 hours to obtain 0.025 g of a blue crystal product with a yield of 27.7%.

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Abstract

The invention provides synthesis of a two-dimensional coordination polymer based on a structure inducer. The powder X-ray diffraction peak positions of the coordination polymer are as follows: 10.06+ / -0.5, 11.85+ / -0.5, 26.55+ / -0.5, 27.97+ / -0.5, and 36.12+ / -0.5, a 2theta angle range is between 5 DEG-60 DEG. The invention provides the two-dimensional coordination polymer based on the structure inducer, which uses amphoteric pyridinium oxygen negative ions as the structure inducer, and transition metal copper ions and benzene tertacarbonic acid are coordinated to form a novel two-dimensional coordination polymer. A two-dimensional coordination polymer film is obtained by ultrasonic stripping; the two-dimensional polymer film has molecular screening performance and can selectively screen Rhodamine B; the special dye organic matter in water can be separated, and the water body can be purified; the molecular screening method is more efficient by comparing with photolysis of an organic dye inthe water body, the secondary pollution caused by the decomposition of organic dye can be avoided, the raw materials are cheap and easy to obtain, and the reaction conditions are mild, which is beneficial to industrial production.

Description

technical field [0001] The invention relates to a two-dimensional coordination polymer, in particular to a synthesis of a two-dimensional coordination polymer based on a structure inducer and its preparation method and application. Background technique [0002] Coordination Polymers (CPs) have a novel skeleton structure and have important application prospects in catalysis, nonlinear optics, magnetism and other fields, so they have been paid great attention by researchers in recent years. Inducing and regulating the structure of coordination polymers based on structure inducers is a new method for synthesizing coordination polymers. [0003] In the prior art, there are few types of coordination polymer materials, and the output of related synthesis methods is not high, it is difficult to scale up to industrial applications, and there is no practical application prospect. Contents of the invention [0004] The technical problem to be solved by the present invention is to p...

Claims

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Application Information

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IPC IPC(8): C08G83/00B01J20/22B01J20/30C02F1/28C02F101/38C02F101/36C02F101/34
CPCB01J20/226C02F1/285C02F2101/34C02F2101/36C02F2101/38C08G83/008
Inventor 张俊
Owner ANHUI UNIVERSITY OF ARCHITECTURE
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