阅读说明：本技术 一种纺织面料 (Textile fabric ) 是由 奥格博多 王玉兰 于 2021-08-09 设计创作，主要内容包括：本发明公开了一种纺织面料,制备工艺如下：(1)将称取钼酸钠、氯化钴和碳酸氢铵依次溶解于去离子水中,微波辐射反应,制备得到CoMoO-(4)前驱体；(2)将CoMoO-(4)前驱体在管式炉中350-400℃下热处理一定时间；(3)将得到的空心的CoMoO-(4)前驱体溶于乙二醇中,随后依次加入可溶性铜盐和钴盐以及硫脲,溶剂热制备得CoMoO-(4)-CuCo-(2)S-(4)的复合材料；(4)将所述CoMoO-(4)-CuCo-(2)S-(4)的复合材料分散于去离子水中得到分散液,随后将纺织面料浸渍在所述分散液中,超声,干燥,得到负CoMoO-(4)-CuCo-(2)S-(4)的纺织面料,该纺织面料对污染物具有良好的净化功能。(The invention discloses a textile fabric, which is prepared by the following steps: (1) dissolving weighed sodium molybdate, cobalt chloride and ammonium bicarbonate in deionized water in sequence, and performing microwave radiation reaction to prepare the CoMoO 4 A precursor; (2) mixing CoMoO 4 The precursor is thermally treated in a tube furnace at 350-400 ℃ for a certain time; (3) the obtained hollow CoMoO 4 Dissolving the precursor in ethylene glycol, sequentially adding soluble copper salt, cobalt salt and thiourea, and performing solvothermal preparation to obtain the CoMoO 4 ‑CuCo 2 S 4 The composite of (a); (4) subjecting the CoMoO to 4 ‑CuCo 2 S 4 The composite material is dispersed in deionized water to obtain dispersion liquid, and then the textile fabric is soaked in the dispersion liquid, ultrasonically treated and driedTo obtain negative CoMoO 4 ‑CuCo 2 S 4 The textile fabric has a good purification function on pollutants.)

1. The textile fabric is characterized by being prepared by the following process:

(1) dissolving weighed sodium molybdate, cobalt chloride and ammonium bicarbonate in deionized water in sequence, and performing microwave radiation reaction with the microwave radiation power of 1000-1500W and the reaction time of 1-8h to obtain the CoMoO₄A precursor;

(2) mixing CoMoO₄The precursor is thermally treated in a tube furnace at 350-400 ℃ for a certain time;

(3) the obtained hollow CoMoO₄Dissolving the precursor in ethylene glycol, sequentially adding soluble copper salt, cobalt salt and thiourea, and performing solvothermal preparation to obtain the CoMoO₄-CuCo₂S₄The composite of (a);

(4) subjecting the CoMoO to₄-CuCo₂S₄The composite material is dispersed in deionized water to obtain dispersion liquid, and then textile fabric is soaked in the dispersion liquid, and the dispersion liquid is subjected to ultrasonic treatment and drying to obtain the loaded CoMoO₄-CuCo₂S₄The textile fabric.

2. A textile fabric according to claim 1, wherein the molar ratio of sodium molybdate, cobalt chloride and ammonium bicarbonate is 1: (2-3).

3. A textile fabric according to claim 1, wherein the heat treatment time is 1-2 hours.

4. The textile fabric according to claim 1, wherein the microwave radiation power is 1400-1500W.

Technical Field

The invention relates to the technical field of textile fabrics.

Background

As environmental pollution becomes more serious, the degradation of pollutants by photocatalytic technology has attracted extensive attention of researchers. The photocatalytic technology has low energy consumption for purifying environmental pollution, mild purification conditions and no secondary pollution, but uses TiO₂A photocatalytic material represented byThe material is easy to generate the photo-corrosion phenomenon and has low stability; and the energy band gap is wide, the photocatalytic performance is not good, and further application and development are greatly limited. .

The invention discloses a CN108677422A method for preparing textile fabric for photocatalytic degradation of organic matters, which comprises the steps of pretreating the textile fabric, and adopting Cu-g-C₃N₄And (3) as a catalyst, dipping the pretreated textile fabric in photocatalyst dispersion liquid to obtain a textile fabric primary product, washing the textile fabric primary product with clear water, and drying to obtain the textile fabric for photocatalytic degradation of organic matters. The preparation method has the characteristics of high production efficiency, simple and convenient process and good repeatability, and the obtained textile fabric has the characteristics of photocatalysis, dye degradation, environmental protection, reusability of the fabric and the like.

CN106040311A relates to a textile fiber/graphene/FeVO₄The preparation method of the composite environmental catalytic material comprises the following steps: soaking textile fibers into saturated dispersion liquid of graphene oxide, drying, cleaning, placing in a reducing agent solution, reacting at 50-80 ℃ for 0.5-1 h, cleaning, and drying to obtain textile fibers/graphene; adding textile fibers/graphene to Fe (NO)₃)3 and Na₃PO4 solution, stirring, and adding NaVO₃And carrying out hydrothermal reaction on the mixture and urea at 120-180 ℃ for 3-8 h, cooling, washing and drying to obtain textile fiber/graphene/FeVO₄The composite environmental catalytic material has better environmental purification effect.

Disclosure of Invention

The invention aims to solve the technical problem of providing a CoMoO₄-CuCo₂S₄The preparation method of the textile material is simple, has low cost, does not cause secondary pollution and is easy for industrial production; the obtained composite material has a good environment purification effect.

A textile fabric is characterized in that,

(1) dissolving weighed sodium molybdate, cobalt chloride and ammonium bicarbonate in deionized water in sequence, and performing microwave radiation reaction to prepare the CoMoO₄A precursor;

(2) mixing CoMoO₄The precursor is thermally treated in a tube furnace at 350-400 ℃ for a certain time;

(3) the obtained hollow CoMoO₄Dissolving the precursor in ethylene glycol, sequentially adding soluble copper salt, cobalt nitrate and thiourea, and performing solvothermal preparation to obtain the CoMoO₄-CuCo₂S₄The composite of (a);

(4) subjecting the CoMoO to₄-CuCo₂S₄The composite material is dispersed in deionized water to obtain dispersion liquid, and then textile fabric is soaked in the dispersion liquid, and the dispersion liquid is subjected to ultrasonic treatment and drying to obtain the loaded CoMoO₄-CuCo₂S₄The textile fabric.

Preferably, the molar ratio of sodium molybdate, cobalt chloride and ammonium bicarbonate is 1: (2-3);

preferably, the heat treatment time is 1-2 h;

preferably, the microwave radiation power is 1000-1500W;

the technical effects are as follows: the application provides a hollow spherical photocatalytic material CoMoO prepared by adopting a microwave radiation reaction process₄And the nano-scale CuCo is loaded by taking the CuCo as a loading material₂S₄，CuCo₂S₄CoMoO uniformly loaded on high specific surface₄The surface of the spherical material forms a core-shell structure, CuCo₂S₄Broadening CoMoO₄Can promote the CoMoO₄The rapid separation and transfer of the photoproduction electron-hole can further improve the catalytic performance of the composite material.

Drawings

FIG. 1 is an SEM image of a composite material of the present application;

Detailed Description

Example 1

(1) Weighing 5mmol of sodium molybdate, 5mmol of cobalt chloride and 10mmol of ammonium bicarbonate, sequentially dissolving in deionized water, and performing microwave radiation reaction to obtain CoMoO₄A precursor;

(2) mixing CoMoO₄Carrying out heat treatment on the precursor for 1h at 350 ℃ in a tube furnace;

(3) the obtained hollow CoMoO₄Dissolving the precursor in 80ml of ethylene glycol, sequentially adding 3mmol of copper nitrate, 6mmol of cobalt nitrate and 12mmol of thiourea, transferring the mixed solution into a high-pressure reaction kettle, and carrying out solvothermal reaction at 200 ℃ for 10 hours to obtain the CoMoO₄-CuCo₂S₄The composite of (a);

(4) subjecting the CoMoO to₄-CuCo₂S₄The composite material is dispersed in 50ml of deionized water to obtain dispersion liquid, then the textile fabric is soaked in the dispersion liquid, ultrasonic treatment is carried out for 10min, and drying is carried out to obtain the loaded CoMoO₄-CuCo₂S₄The textile fabric.

Comparative example 1

(1) Weighing 5mmol of sodium molybdate, 5mmol of cobalt chloride and 10mmol of ammonium bicarbonate, sequentially dissolving in deionized water, and performing microwave radiation reaction to obtain CoMoO₄A precursor;

(2) mixing CoMoO₄Carrying out heat treatment on the precursor for 1h at 350 ℃ in a tube furnace;

(3) subjecting the CoMoO to₄Dispersing in 50ml of deionized water to obtain dispersion liquid, then soaking the textile fabric in the dispersion liquid, performing ultrasonic treatment for 10min, and drying to obtain the loaded CoMoO₄The textile fabric.

Comparative example 2

(1) Sequentially adding copper nitrate, cobalt nitrate and thiourea into 50ml of ethylene glycol, transferring the mixed solution into a high-pressure reaction kettle, and carrying out solvothermal reaction for 10 hours at the temperature of 200 ℃ to obtain CuCo₂S₄The composite of (a);

(2) mixing the CuCo₂S₄The composite material is dispersed in 50ml of deionized water to obtain dispersion liquid, then the textile fabric is soaked in the dispersion liquid, ultrasonic treatment is carried out for 10min, and drying is carried out to obtain the CuCo-loaded composite material₂S₄The textile fabric.

Testing the photocatalytic performance:

FIG. 1 shows that under the irradiation of a xenon lamp with 300W, the catalytic amount is 0.8g/L, the concentration of rhodamine B is 100mg/L, and the degradation rate of rhodamine in different time is tested according to an embodiment and an opposite proportion.

	Example 1 (degradation rate)	Comparative example 1 (degradation rate)	Comparative example 2 (degradation rate)
				10min	40.1％	20.3％	18.0％
20min	78.1％	40.3％	29.7％
				30min	83.4％	50.6％	30.4％
40min	90.6％	60.4％	39.9％
				50min	96.7％	70.1％	45.2％
60min	97.1％	76.1％	50.4％

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims.