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Cyclodextrin-based cucurbituril triazine copolymer and application thereof

A technology of cyclodextrin and cucurbituril, which is applied in the direction of water pollutants, alkali metal compounds, and other chemical processes, can solve the problems of low equipment dependence, poor adsorption effect, and small adsorption capacity, and achieve equipment dependence. Not strong, good adsorption effect, large adsorption capacity

Inactive Publication Date: 2021-03-12
HUNAN CHENLI NEW MATERIAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to overcome the defects in the prior art, the present invention provides a heavy metal ion adsorption material and a preparation method thereof, the preparation method is simple and easy, the raw materials are easy to obtain, the price is low, the dependence on equipment is not large, and it is suitable for industrial production; through the The heavy metal ion adsorption material prepared by the preparation method overcomes the problems of high price, poor adsorption effect, small adsorption capacity, difficult desorption, complex equipment, easy to cause secondary pollution, and high operating cost in the existing heavy metal ion adsorption material in the prior art. It has the advantages of low cost, good adsorption effect on heavy metal ions, large adsorption capacity, and easy desorption

Method used

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  • Cyclodextrin-based cucurbituril triazine copolymer and application thereof
  • Cyclodextrin-based cucurbituril triazine copolymer and application thereof
  • Cyclodextrin-based cucurbituril triazine copolymer and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] A heavy metal ion adsorption material, prepared from the following components by weight: 50 parts of cyclodextrin-based cucurbituril-based triazine copolymers, 20 parts of hyperbranched polyethyleneimine, 5 parts of graphene oxide share.

[0023] The preparation method of the cyclodextrin-based cucurbituril-based triazine copolymer comprises the following steps: 10 g of allyl cucurbituril, 10 g of allyl-β-cyclodextrin, 1,3-bis(ethylene oxide Alkylmethyl)-5-(2-propenyl)-1,3,5-triazine-2,4,6(1H,3H,5H)-trione 30g, tert-butyl hydroperoxide 0.3g and Dissolve 0.4g of sodium dodecylbenzenesulfonate in 120g of dimethyl sulfoxide, stir and react under nitrogen atmosphere at 65°C for 3 hours, then settle out in water, filter, and bake in a vacuum oven at 100°C for 12 hours , to obtain cyclodextrin-based cucurbituril-based triazine copolymers.

[0024] The preparation method of the heavy metal ion adsorption material comprises the following steps: adding all raw materials into a...

Embodiment 2

[0026] A heavy metal ion adsorption material, prepared from the following components by weight: 53 parts of cyclodextrin-based cucurbituril-based triazine copolymers, 23 parts of hyperbranched polyethyleneimine, 6 parts of graphene oxide share.

[0027] The preparation method of the cyclodextrin-based cucurbituril-based triazine copolymer comprises the following steps: 10 g of allyl cucurbituril, 10 g of allyl-β-cyclodextrin, 1,3-bis(ethylene oxide Alkylmethyl)-5-(2-propenyl)-1,3,5-triazine-2,4,6(1H,3H,5H)-trione 33g, dicumyl peroxide 0.35g and Dissolve 0.45g of polyoxypropylene polyvinylglycerol ether in 130g of N,N-dimethylformamide, stir and react at 69°C for 3.4 hours under a helium atmosphere, then settle out in water, filter, and then place in a vacuum drying oven 103 Bake at ℃ for 13 hours to obtain a cyclodextrin-based cucurbituril-based triazine copolymer.

[0028] The preparation method of the heavy metal ion adsorption material comprises the following steps: addin...

Embodiment 3

[0030] A heavy metal ion adsorption material, prepared from the following components by weight: 55 parts of cyclodextrin-based cucurbituril-based triazine copolymers, 26 parts of hyperbranched polyethyleneimine, 7 parts of graphene oxide share.

[0031] The preparation method of the cyclodextrin-based cucurbituril-based triazine copolymer comprises the following steps: 10 g of allyl cucurbituril, 10 g of allyl-β-cyclodextrin, 1,3-bis(ethylene oxide Alkylmethyl)-5-(2-propenyl)-1,3,5-triazine-2,4,6(1H,3H,5H)-trione 36g, azobisisobutyronitrile 0.4g and Dissolve 0.5g of nonylphenol polyoxyethylene ether in 135g of N-methylpyrrolidone, stir and react at 70°C for 3.6 hours under a neon atmosphere, then settle out in water, filter, and dry in a vacuum oven at 105°C for 13.5 hours, a cyclodextrin-based cucurbituril-based triazine copolymer was obtained.

[0032] The preparation method of the heavy metal ion adsorption material comprises the following steps: adding all the raw materi...

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Abstract

The invention discloses a cyclodextrin-based cucurbituril triazine copolymer and a preparation method of the cyclodextrin-based cucurbituril triazine copolymer. The method comprises the following steps: dissolving allyl cucurbituril, allyl beta cyclodextrin, 1, 3-bis (oxiranyl methyl)-5-(2-propenyl)-1, 3, 5-triazine-2, 4, 6(1H, 3H, 5H)-triketone, an initiator and an emulsifier in a high-boiling-point solvent, stirring and reacting for 3-4 hours at 65-75 DEG C in a nitrogen or inert gas atmosphere, performing precipitating in water, and performing filtering; drying the product in a vacuum drying oven at 100-110 DEG C for 12-15 hours to obtain the cyclodextrin-based cucurbituril triazine copolymer. Cyclodextrin-based cucurbituril triazine copolymerization is applied to heavy metal ion adsorption materials, and the heavy metal ion adsorption materials have the advantages of being low in cost, good in heavy metal ion adsorption effect, large in adsorption capacity and easy to desorb.

Description

technical field [0001] The invention relates to the technical field of sewage treatment, in particular to a cyclodextrin-based cucurbituril-based triazine copolymer and an application thereof. Background technique [0002] With the development of the economy and the advancement of the global industrialization process, the production activities in mining and metallurgy, machinery manufacturing, chemical industry, electronics, instrumentation and other industries have increased year by year, environmental problems have become increasingly prominent, and a large amount of wastewater rich in heavy metal ions is coming. These heavy metal ions It is not self-degradable in water, and will be enriched in organisms through the food chain, posing a great threat to human living environment, ecology and health, restricting economic development and social progress, and becoming a major obstacle to social development. barrier. Therefore, seeking effective measures to remove and enrich an...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08F251/00C08F226/06B01J20/26B01J20/28B01J20/30C02F1/28C02F1/30C02F101/20C02F101/30
CPCB01J20/20B01J20/262B01J20/264B01J20/28011B01J20/28014C02F1/288C02F1/30C02F2101/20C02F2101/30C02F2305/10C08F251/00C08F226/06
Inventor 朱小红
Owner HUNAN CHENLI NEW MATERIAL CO LTD
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