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Preparation method of photocatalytic functional fabric based on titanium dioxide/magnesium oxide core-shell nanorod

A technology of functional fabrics and titanium dioxide is applied in the field of preparation of photocatalytic functional fabrics, which can solve problems such as no reports and achieve the effect of improving photocatalytic activity.

Inactive Publication Date: 2013-07-03
ZHEJIANG SCI-TECH UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although TiO 2 / MgO nanocrystalline photocatalytic materials, but the core-shell structure of TiO 2 / MgO nanofibers, nanorod photocatalysts and their photocatalytic functional fabrics have not been reported yet

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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  • Preparation method of photocatalytic functional fabric based on titanium dioxide/magnesium oxide core-shell nanorod
  • Preparation method of photocatalytic functional fabric based on titanium dioxide/magnesium oxide core-shell nanorod
  • Preparation method of photocatalytic functional fabric based on titanium dioxide/magnesium oxide core-shell nanorod

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Add 0.65g PVP to 5ml DMF solvent to form a solution with a mass volume ratio (g / ml) of 13:100, add 0.6ml Triton X-100 and 0.65g Mg(NO 3 ) 2 ·6H 2 O, magnetic stirring for 8h to obtain the precursor spinning solution 1 of MgO. Add 0.52g PVAc to 4ml DMF solvent to form a solution with a mass volume ratio (g / ml) of 13:100, add 0.6ml Triton X-100, 0.4ml HAc and 1.04g TTIP to the solution, and stir magnetically for 8h to obtain TiO 2 The precursor spinning solution 2; the MgO precursor spinning solution 1 and TiO 2Precursor spinning solution 2 is respectively packed in respective injector 3 and injector 4, and the high voltage source 7 of 18kV is added between coaxial spinneret 5 and receiving plate 6, and the distance from spinneret to receiving plate is 12cm, Under the action of the electric field, the charged droplets overcome their own surface tension to form a jet stream; the extrusion rates of the syringe 3 and the syringe 4 are controlled by the micro-injection pu...

Embodiment 2

[0024] Add 0.65g PVP to 5ml DMF solvent to form a solution with a mass volume ratio (g / ml) of 13:100, add 0.6ml Triton X-100 and 0.65g Mg(NO 3 ) 2 ·6H 2 O, magnetic stirring for 8h to obtain the precursor spinning solution 1 of MgO. Add 0.52g PVAc to 4ml DMF solvent to form a solution with a mass volume ratio (g / ml) of 13:100, add 0.6ml Triton X-100, 0.4ml HAc and 1.04g TTIP to the solution, and stir magnetically for 8h to obtain TiO 2 The precursor spinning solution 2; the MgO precursor spinning solution 1 and TiO 2 Precursor spinning solution 2 is packed into syringe 3 and syringe 4 respectively, and 18kV high voltage source 7 is added between coaxial spinneret 5 and receiving plate 6, and the distance from spinneret to receiving plate is 12cm, charged Under the action of an electric field, the droplets overcome their own surface tension to form a fine jet; the extrusion rates of the syringes 3 and 4 are controlled by two micro-injection pumps 8 and 9, respectively, that...

Embodiment 3

[0026] Add 0.65g PVP to 5ml DMF solvent to form a solution with a mass volume ratio (g / ml) of 13:100, add 0.6ml Triton X-100 and 0.65g Mg(NO 3 ) 2 ·6H 2 O, magnetic stirring for 8h to obtain the precursor spinning solution 1 of MgO. Add 0.52g PVAc to 4ml DMF solvent to form a solution with a mass volume ratio (g / ml) of 13:100, add 0.6ml Triton X-100, 0.4ml HAc and 1.04g TTIP to the solution, and stir magnetically for 8h to obtain TiO 2 The precursor spinning solution 2; the MgO precursor spinning solution 1 and TiO 2 Precursor spinning solution 2 is packed into syringe 3 and syringe 4 respectively, and 18kV high voltage source 7 is added between coaxial spinneret 5 and receiving plate 6, and the distance from spinneret to receiving plate is 12cm, charged The droplet overcomes its own surface tension under the action of an electric field to form a jet stream; the extrusion rates of the syringes 3 and 4 are controlled by two micro-injection pumps 8 and 9, respectively, that ...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Abstract

The invention discloses a preparation method of a photocatalytic functional fabric based on a titanium dioxide / magnesium oxide core-shell nanorod. The preparation method comprises the following steps: preparing MgO and TiO2 precursor spinning solution, respectively putting into injectors, adding 18 kV voltage between a coaxial spinneret and a receiving pole plate, controlling the extrusion rate of the respective injectors and collecting the spinning solution onto an aluminum film in a disordered state to form a composite fiber membrane; putting the membrane into a muffle furnace for sintering, cooling, obtaining a TiO2 / MgO core-shell nanometer fiber membrane, adding into absolute ethyl alcohol and carrying out ultrasonic treatment to obtain a TiO2 / MgO core-shell nanometer rod photocatalyst; and preparing nanorod slurry with a mass percentage of 60 percent by using a polyester non-woven fabric as a load fabric and taking self-crosslinking acrylic emulsion as a bonding agent and fixing the photocatalyst on the load fabric by adopting a rolling-drying-baking process. The functional fabric has the advantages of environmental friendliness, recycling capability and large-scale production and can be widely used for treatment of sewage in the industries of printing and dyeing, papermaking and the like.

Description

technical field [0001] The invention relates to a preparation method of a photocatalytic functional fabric, in particular to a preparation method of a photocatalytic functional fabric based on titanium dioxide / magnesia core-shell nanorods. Background technique [0002] Textile is one of the important traditional industries. The wide application of new materials and new technologies has injected fresh blood into the traditional textile industry. From a global perspective, the trend of this industry is to develop different new textile products and derivative products to meet the diversified needs of modern production methods and lifestyles. The proportion of high value-added industrial textiles in the textile consumption structure will further increase. Environmental protection is an important issue related to the sustainable development of human beings, and it is also one of the long-term focus issues in the scientific and industrial circles. Combining some advanced enviro...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D06M11/46D06M11/44D06M15/263B01J21/10D04H1/4209D04H1/4382D04H1/728D06M101/32
Inventor 熊杰杜平凡宋立新
Owner ZHEJIANG SCI-TECH UNIV
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