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Method for preparing silicon protective in-situ deposition photocatalytic functional textile

A technology of in-situ deposition and functional fabrics, applied in chemical instruments and methods, separation methods, textiles and papermaking, etc., to achieve the effects of simple preparation methods, self-cleaning, and convenient use

Inactive Publication Date: 2014-04-16
DONGHUA UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved by the present invention is to provide a method for preparing silicon-protected in-situ deposited photocatalytic functional fabrics, which is simple, low in cost, free of secondary pollution, and easy to industrialized production; the obtained flexible air purification material degrades organic pollutants The effect is good, and it effectively prevents the damage of the Bi-based photocatalyst to the fiber fabric

Method used

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  • Method for preparing silicon protective in-situ deposition photocatalytic functional textile
  • Method for preparing silicon protective in-situ deposition photocatalytic functional textile
  • Method for preparing silicon protective in-situ deposition photocatalytic functional textile

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] (1) Preparation of antioxidant finishing solution

[0032] Mix 500ml of absolute ethanol, 0.5ml of ammonia water, 200ml of distilled water and 100ml of acetone evenly, then add 20ml of tetraethyl orthosilicate drop by drop to configure a bionic protective anti-oxidation finishing solution;

[0033] (2) Protective finishing of wool fabric against photooxidation

[0034] Soak the wool fabric (1g) in the biomimetic protective anti-oxidation finishing solution, keep stirring at room temperature for 4 hours at 200rpm, take it out, rinse it with deionized water and ethanol, and dry it at 100°C;

[0035] (3) Preparation of Solution A

[0036] Under an argon atmosphere, add 0.005 mol of bismuth nitrate and 0.010 mol of disodium edetate into 50 ml of phosphate buffer solution, and dropwise add Tween 80, a wetting agent 2% relative to the weight of the fabric, and stir at 200 rpm for 30 min;

[0037] (4) Preparation of Solution B

[0038] Under an argon atmosphere, take 0.005m...

Embodiment 2

[0047] (1) Preparation of antioxidant finishing solution

[0048] Mix 600ml of absolute ethanol, 0.6ml of ammonia water, 200ml of distilled water and 100ml of acetone evenly, then add 20ml of diethylaminomethyltriethoxysilane drop by drop to configure a bionic protective anti-oxidation finishing solution;

[0049] (2) Protective finishing of cotton fabric against photooxidation

[0050] Soak the cotton fabric (1g) in the above-mentioned biomimetic protective anti-oxidation finishing solution, keep stirring at room temperature for 6 hours at 200rpm, take it out, rinse it with deionized water and ethanol, and dry it at 100°C;

[0051] (3) Preparation of Solution A

[0052] Under a nitrogen atmosphere, take 0.005mol of bismuth nitrate and 0.010mol of disodium edetate into 50ml of phosphate buffer solution, and dropwise add Tween 80, a wetting agent 3% relative to the weight of the fabric, and stir at 300rpm for 30min;

[0053] (4) Preparation of Solution B

[0054] Under a nit...

Embodiment 3

[0063] (1) Preparation of antioxidant finishing solution

[0064] Mix 500ml of absolute ethanol, 1ml of ammonia water, 200ml of distilled water and 100ml of acetone evenly, then add 20ml of sodium silicate drop by drop to configure a bionic protection and anti-oxidation finishing solution;

[0065] (2) Protective finishing of linen fabric against photooxidation

[0066] Immerse the linen fabric (1g) in the biomimetic protective anti-oxidation finishing solution, keep stirring at room temperature for 5 hours at 200rpm, take it out, rinse it with deionized water and ethanol, and dry it at 100°C;

[0067] (3) Preparation of Solution A

[0068] Under a nitrogen atmosphere, add 0.005 mol of bismuth nitrate and 0.010 mol of disodium ethylenediamine tetraacetate into 60 ml of phosphate buffer solution, and dropwise add Tween 80, a wetting agent 2% relative to the weight of the fabric, and stir at 200 rpm for 30 min;

[0069] (4) Preparation of Solution B

[0070] Under a nitrogen ...

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Abstract

The invention relates to a method for preparing a silicon protective in-situ deposition photocatalytic functional textile. The method comprises the following steps of: (1) preparing silicon protective anti-oxidation finishing liquor, and treating a textile by using the silicon protective anti-oxidation finishing liquor to obtain a treated textile; (2) in an inert environment, respectively adding bismuth nitrate and ethylene diamine tetraacetic acid into an alkali buffer solution, and dripping a wetting agent to obtain a solution A; in the inert environment, adding sodium metavanadate into an alkali buffer solution, and adding a sodium hydroxide solution and deionized water to obtain a solution B; (3) adding the solution B into the solution A to obtain a photocatalytic precursor solution; and (4) dipping the treated textile obtained in the (1) into the photocatalytic precursor solution to react, drying, treating in boiling water, and thus obtaining the silicon protective in-situ deposition photocatalytic functional textile. The preparation method is simple and low in cost, does not require new equipment, and is easy for industrialized production; and the flexible photocatalytic environment purification material has a good organic pollutant degrading effect, has no secondary pollution, and can be used for a long term.

Description

technical field [0001] The invention belongs to the field of preparation of photocatalytic environment purification functional fabrics, in particular to a preparation method of photocatalytic functional fabrics deposited in situ for silicon protection. Background technique [0002] The water environment problem is a key issue that has affected the social and economic progress and sustainable development of human beings since ancient times. It has been predicted that after the energy crisis, the biggest natural crisis that mankind will face is the water resource crisis, which is more harmful than the energy crisis and difficult to solve. The deterioration of water environment and the shortage of water resources have become the focus of attention of all countries in the world. In the next 50 years, at least 1 / 4 of the world's population will face water shortages. By 2050, the number of people living in water shortages in the world may increase to 2 billion. The management of...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): D06M11/79D06M13/513D06M13/507D06M11/47C02F1/30C02F1/72C02F1/50B01D53/86
Inventor 何瑾馨王振华刘保江胡金龙李浩瞿建刚陆洋
Owner DONGHUA UNIV
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