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Preparation method of intelligent supramolecular aquagel for detecting formaldehyde in interior decoration and wastewater

A supramolecular hydrogel and interior decoration technology, which can be used in material excitation analysis, fluorescence/phosphorescence, etc., can solve the problems of preparation that have not been reported, and achieve the effects of being environmentally friendly, easy to implement, and simple to prepare.

Active Publication Date: 2015-09-02
SHANDONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Currently, the preparation of smart supramolecular hydrogels for the detection of formaldehyde in interior decoration and wastewater has not been reported

Method used

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  • Preparation method of intelligent supramolecular aquagel for detecting formaldehyde in interior decoration and wastewater
  • Preparation method of intelligent supramolecular aquagel for detecting formaldehyde in interior decoration and wastewater
  • Preparation method of intelligent supramolecular aquagel for detecting formaldehyde in interior decoration and wastewater

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0051] A method for preparing an intelligent supramolecular hydrogel for detecting formaldehyde in interior decoration and wastewater, comprising the following steps:

[0052] (1) Preparation of α-cyclodextrin aqueous solution

[0053]Accurately weigh α-cyclodextrin powder, add ultrapure water, and heat at 40°C to completely dissolve α-cyclodextrin, and prepare a concentration of 150 mg·mL -1 α-cyclodextrin aqueous solution;

[0054] (2) Preparation of Tyloxapol aqueous solution

[0055] Accurately pipette the Tyloxapol liquid, add ultrapure water, and heat at 80°C to completely dissolve the Tyloxapol, and prepare a concentration of 160mg·mL -1 Tyloxapol aqueous solution;

[0056] (3) Preparation of smart supramolecular hydrogels

[0057] Pipette a certain volume of α-cyclodextrin aqueous solution and Tyloxapol aqueous solution into a 5mL tube, and then add a certain amount of ultrapure water, so that the final α-cyclodextrin and Tyloxapol concentrations are fixed at 100 m...

Embodiment 2

[0059] A method for preparing an intelligent supramolecular hydrogel for detecting formaldehyde in interior decoration and wastewater, comprising the following steps:

[0060] (1) Preparation of α-cyclodextrin aqueous solution

[0061] Accurately weigh α-cyclodextrin powder, add ultrapure water, and heat at 40°C to completely dissolve α-cyclodextrin, and prepare a concentration of 150 mg·mL -1 α-cyclodextrin aqueous solution;

[0062] (2) Preparation of Tyloxapol aqueous solution

[0063] Accurately pipette the Tyloxapol liquid, add ultrapure water, and heat at 80°C to completely dissolve the Tyloxapol, and prepare a concentration of 160mg·mL -1 Tyloxapol aqueous solution;

[0064] (3) Preparation of smart supramolecular hydrogels

[0065] Pipette a certain volume of α-cyclodextrin aqueous solution and Tyloxapol aqueous solution into a 5mL tube, and then add a certain amount of ultrapure water so that the final concentration of α-cyclodextrin and Tyloxapol is fixed at 100 ...

Embodiment 3

[0067] A method for preparing an intelligent supramolecular hydrogel for detecting formaldehyde in interior decoration and wastewater, comprising the following steps:

[0068] (1) Preparation of α-cyclodextrin aqueous solution

[0069] Accurately weigh α-cyclodextrin powder, add ultrapure water, and heat at 35°C to completely dissolve α-cyclodextrin, and prepare a concentration of 120mg·mL -1 α-cyclodextrin aqueous solution;

[0070] (2) Preparation of Tyloxapol aqueous solution

[0071] Accurately pipette the Tyloxapol liquid, add ultrapure water, and heat at 75°C to completely dissolve the Tyloxapol, and configure to obtain a concentration of 120mg·mL -1 Tyloxapol aqueous solution;

[0072] (3) Preparation of smart supramolecular hydrogels

[0073] Pipette a certain volume of α-cyclodextrin aqueous solution and Tyloxapol aqueous solution into a 5mL tube, and then add a certain amount of ultrapure water, so that the final concentration of α-cyclodextrin and Tyloxapol is f...

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Abstract

The invention relates to a preparation method of an intelligent supramolecular aquagel for detecting formaldehyde in interior decoration and wastewater, which comprises the following steps: (1) weighing alpha-cyclodextrin powder, and adding ultrapure water to prepare an alpha-cyclodextrin water solution; (2) adding a Tyloxapol liquid, and adding ultrapure water to prepare a Tyloxapol water solution; and (3) taking the alpha-cyclodextrin water solution and Tyloxapol water solution, adding ultrapure water until the alpha-cyclodextrin concentration in the gel is 90-130 mg.mL<-1> and the Tyloxapol concentration is 15-50 mg.mL<-1>, carrying out ultrasonic dispersion, and standing. The preparation method is simple, and the used raw materials have favorable biocompatibility and are friendly to application environments. The intelligent supramolecular aquagel has the advantages of low cost and no toxic byproducts.

Description

technical field [0001] The invention relates to a preparation method of an intelligent supramolecular hydrogel used for detecting indoor decoration and formaldehyde in waste water, belonging to the field of new materials. Background technique [0002] Relevant data show that volatile organic compound pollution has become the cause of various diseases, among which formaldehyde pollution is a major source of pollution. Formaldehyde is mainly manifested as a stimulating effect on the skin and mucous membranes. When it reaches a certain concentration indoors, it can cause chest tightness, dermatitis, asthma and other physical discomfort. High-concentration formaldehyde is a toxic substance that can seriously affect the nose, pharynx, and throat of the human body. . Formaldehyde is often used in organic synthesis, dyes, wood processing and textile industry. There will be a certain amount of formaldehyde in the wastewater of industrial areas, which will lead to groundwater pollut...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L5/16C08J3/075G01N21/64
Inventor 辛霞沈静林徐桂英王琳
Owner SHANDONG UNIV
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