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Ultra-crosslinking organic polymer material and preparation method and application of ultra-crosslinking organic polymer material

A super-crosslinked, microporous polymer technology, applied in the field of materials, can solve the problems of high temperature resistance, deformity and cancer, and a greater threat to human health, and achieves simple and convenient operation and good effect.

Active Publication Date: 2019-05-21
BEIJING UNIV OF CHEM TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

5A molecular sieve has good shape-selective adsorption and has been widely used in the separation of n-alkanes and non-n-alkanes in naphtha, but it is easy to deform and not resistant to high temperature
Such dyes are highly toxic, pose a greater threat to human health, and easily cause deformities and cancer

Method used

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  • Ultra-crosslinking organic polymer material and preparation method and application of ultra-crosslinking organic polymer material
  • Ultra-crosslinking organic polymer material and preparation method and application of ultra-crosslinking organic polymer material
  • Ultra-crosslinking organic polymer material and preparation method and application of ultra-crosslinking organic polymer material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021]Preparation of hypercrosslinked organic microporous polymers (HCPs): Weigh a certain amount of 1 g of 3,4-dihydroxyphenylacetic acid and dissolve it in 5 mL of methanol, and add 20 mL of 1,2-dichloroethane to the solution 0.04 mol of cross-linking agent dimethoxymethane was added under the protection of nitrogen, and 0.04 mol of anhydrous ferric chloride was added under stirring under the protection of nitrogen, the reaction was refluxed at 45 ℃ for 5 h, and refluxed at 80 ℃ for 6 h. After the reaction was completed, the product was transferred to an Erlenmeyer flask, washed several times with methanol, and extracted by Soxhlet until the supernatant was colorless. Dry in vacuum at 60 °C for 24 h.

[0022] Evaluation of Adsorption and Separation Capabilities

[0023] Weigh 100 mg of HCPs and disperse in methanol, fill in the pipeline, and use 5 mL of methanol at a flow rate of 0.3 mL·min -1 Eliminate air bubbles in the pipeline, at 0.1 mL·min -1 Inject 3 mL of simulate...

Embodiment 2

[0026] Preparation of hypercrosslinked organic microporous polymers (HCPs): Weigh a certain amount of 1 g of 3,4-dihydroxyphenylacetic acid and dissolve it in 6 mL of methanol, and add 30 mL of 1,2-dichloroethane to the solution 0.05 mol of cross-linking agent dimethoxymethane was added under the protection of nitrogen, and 0.05 mol of anhydrous ferric chloride was added under stirring under the protection of nitrogen, the reaction was refluxed at 45 ℃ for 5 h, and refluxed at 80 ℃ for 9 h. After the reaction was completed, the product was transferred to an Erlenmeyer flask, washed several times with methanol, and extracted by Soxhlet until the supernatant was colorless. Dry in vacuum at 60 °C for 24 h.

[0027] Evaluate the effect of adsorption and separation

[0028] Weigh 105 mg of HCPs and disperse in methanol, fill in the pipeline, and use 6 mL of methanol at a flow rate of 0.5 mL·min -1 Eliminate air bubbles in the pipeline, at 0.2 mL·min -1 Inject 4 mL of simulated s...

Embodiment 3

[0031] Preparation of hypercrosslinked organic microporous polymers (HCPs): Weigh a certain amount of 1 g of 3,4-dihydroxyphenylacetic acid and dissolve it in 7 mL of methanol, and add 40 mL of 1,2-dichloroethane to the solution 0.06 mol of cross-linking agent dimethoxymethane was added under the protection of nitrogen, and 0.06 mol of anhydrous ferric chloride was added under stirring under the protection of nitrogen, the reaction was refluxed at 45 ℃ for 5 h, and refluxed at 80 ℃ for 12 h. After the reaction was completed, the product was transferred to an Erlenmeyer flask, washed several times with methanol, and extracted by Soxhlet until the supernatant was colorless. Dry in vacuum at 60 °C for 24 h.

[0032] Evaluate the effect of adsorption and separation

[0033] Weigh 110 mg of HCPs and disperse in methanol, fill in the pipeline, and use 7 mL of methanol at a flow rate of 0.3 mL·min -1 Eliminate air bubbles in the pipeline, at 0.1 mL·min -1 Inject 5 mL of simulated ...

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Abstract

The invention relates to an ultra-crosslinking organic polymer material and a preparation method and an application of the ultra-crosslinking organic polymer material; and the high-specific surface area ultra-crosslinking organic micropore polymer material is obtained by weighing certain amount of 3,4-dyhydroxyl phenylacetic acid, dissolving in methyl alcohol, adding 1,2-dichloroethane into the solution, adding a crosslinking agent dimethoxymethane and anhydrous ferric chloride under the protection of nitrogen, refluxing and reacting for 5 hours at 45 DEG C, refluxing and reacting for 6-18 hours at 80 DEG C; transferring a product into a conical flask after finishing the reaction, washing with methyl alcohol for multiple times, implementing Soxhlet extraction until a supernate is colorless; and drying under vacuum. The high-specific surface area ultra-crosslinking organic micropore polymer material is applied to separating and analyzing C4-C10 hydrocarbon ingredients like a hexane isomer and methylbenzene in naphtha, and adsorbing and removing cationic dyes like methylene blue, Rhodamine B and Rhodamine 6G in dye wastewater.

Description

technical field [0001] The invention belongs to the field of materials, and relates to a high specific surface nanometer super-crosslinked organic microporous polymer adsorption material, a preparation method and an application. Background technique [0002] The definition of organic microporous polymer IUPAC: a material with a pore size of less than 2 nm, a very high specific surface area, and good physical and chemical stability. It is mainly composed of light non-metallic elements such as carbon, hydrogen, boron and nitrogen. Organic microporous polymers are a relatively new class of materials, which have a wide range of applications and can be used in the fields of heterogeneous catalysis, adsorption, separation and gas storage. Therefore, researchers have a strong interest in the synthesis and application of organic microporous polymer materials. By selecting monomers, crosslinkers of appropriate length, and optimizing reaction conditions, polymeric frameworks with tu...

Claims

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Application Information

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IPC IPC(8): C08G61/02B01J20/26B01J20/30C10G25/00C02F1/28C02F101/30C02F101/34C02F101/36C02F101/38
Inventor 魏芸刘雪瑞
Owner BEIJING UNIV OF CHEM TECH
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