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Preparation method of shell powder loaded antibacterial material

A technology of antibacterial materials and shell powder, which is applied in the field of preparation of shell powder loaded antibacterial materials, can solve problems such as research and lack of antibacterial materials, achieve the effects of avoiding environmental problems, outstanding antibacterial effects, and expanding application fields

Inactive Publication Date: 2020-04-10
GUANGXI TEACHERS EDUCATION UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the prior art, shells are commonly used in interior wall coatings as research objects, but they are not studied as antibacterial materials.

Method used

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  • Preparation method of shell powder loaded antibacterial material
  • Preparation method of shell powder loaded antibacterial material
  • Preparation method of shell powder loaded antibacterial material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] The shells are ultrasonically cleaned by an ultrasonic cleaning machine, soaked in sodium hydroxide solution, washed with distilled water, dried in a blast drying oven, and then dried in a multi-functional pulverizer for crushing, and finally placed in a horse The furnace was heated to 1100°C at a rate of 10°C / min for calcination for 4 hours, and the shell powder carrier was obtained by grinding with a mortar. Weigh 13g of titanium sulfate, put it in a three-necked flask, add 15ml of distilled water to dissolve, stir at 95°C until a milky white precipitate is produced, adjust the pH value to 9, stir and disperse 12g of shell powder solution magnetically for 30min, then add it to the three-necked flask; weigh 24g of Zn (NO 3 ) 2. 6H 2 After O, the Zn(NO 3 ) 2. 6H 2 The O solution was slowly poured into 3% sodium hydroxide solution, stirred and mixed evenly, and the mixed liquid was added dropwise into a three-necked flask, stirred at a constant temperature for 3 hou...

Embodiment 2

[0028] The shells are ultrasonically cleaned by an ultrasonic cleaning machine, soaked in sodium hydroxide solution, washed with distilled water, dried in a blast drying oven, and then dried in a multi-functional pulverizer for crushing, and finally placed in a horse The furnace was heated at a rate of 6 °C / min to 800 °C for 2.5 hours for calcination, and the shell powder carrier was obtained by grinding with a mortar. Weigh 12g of titanium sulfate, put it in a three-necked flask, add 15ml of distilled water to dissolve, stir at a constant temperature of 95°C until a milky white precipitate is produced, adjust the pH value to 8, stir and disperse 12g of shell powder solution magnetically for 30min, then add it to a three-necked flask; weigh 25.6g of Zn(NO 3 ) 2. 6H 2 After O, the Zn(NO 3 ) 2. 6H 2 The O solution was slowly poured into 3% sodium hydroxide solution, stirred and mixed evenly, and the mixed solution was added dropwise into a three-necked flask, stirred at a c...

Embodiment 3

[0030] The shells are ultrasonically cleaned by an ultrasonic cleaning machine, soaked in sodium hydroxide solution, washed with distilled water, dried in a blast drying oven, and then dried in a multi-functional pulverizer for crushing, and finally placed in a horse The furnace was heated at a rate of 6 °C / min to 800 °C for 2.5 hours for calcination, and the shell powder carrier was obtained by grinding with a mortar. Weigh 12g of titanium tetrachloride, put it in a three-necked flask and add 15ml of distilled water to dissolve it, stir at a constant temperature of 95°C until a milky white precipitate is produced, adjust the pH value to 8, stir and disperse 11g of shell powder solution magnetically for 30min, and then add it to the three-necked flask; weigh 27.6 g of Zn(NO 3 ) 2. 6H 2 After O, the Zn(NO 3 ) 2. 6H 2 The O solution was slowly poured into 3% sodium hydroxide solution, stirred and mixed evenly, and the mixed solution was added dropwise into a three-necked fl...

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Abstract

The invention discloses a preparation method of a shell powder loaded antibacterial material, which comprises the following steps: S1, pretreating a shell powder carrier: ultrasonically cleaning shells, soaking in an alkaline solution, cleaning with distilled water, drying, pulverizing in a multifunctional pulverizer, calcining in a muffle furnace, and grinding in a mortar to obtain the shell powder carrier; S2, preparing a composite material: putting a titanium salt into a flask, adding distilled water for dissolving, and stirring at a constant temperature until a milk white precipitate is generated; adding distilled water to dissolve the shell powder to obtain a shell powder solution, magnetically stirring and dispersing, and adding the shell powder solution into the flask; selecting a zinc salt, dissolving the zinc salt, pouring an obtained zinc salt solution into an alkali liquor, stirring and mixing, dropwise adding an obtained mixed liquor into the flask, stirring at constant temperature, taking an obtained product out, carrying out suction filtration, washing and constant-temperature drying on the product, dehydrating and molding the product, and calcining the product in a muffle furnace to prepare the shell powder / TiO2 / ZnO composite material. The inorganic antibacterial agent is prepared by taking the shell powder as the carrier of the antibacterial material to load thenano oxide, so that the application field of the shell is expanded.

Description

technical field [0001] The invention relates to a preparation method of shell powder-loaded antibacterial materials. Specifically, discarded shells are used as carriers to prepare shell powder-loaded nano-ZnO and TiO2 antibacterial materials, which are applied to the field of marine anti-corrosion and antifouling. Background technique [0002] With the rapid development of the marine shell farming industry, the output of shellfish in my country is huge. Although the increase in shellfish production has increased the economic income of farmers, it has also produced a large amount of "shell garbage" piled up everywhere, and these discarded shells are discarded without treatment. In the garbage dump or at the seaside, it not only occupies land resources but also causes environmental pollution. In the long run, long-term accumulation will cause a large number of various biological pathogens to breed, which will limit the development of the breeding industry. Seeking new technique...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N59/18A01N59/06A01N25/08A01P1/00
CPCA01N25/08A01N59/06A01N59/18
Inventor 韦良周惠娟杨晶杨显德吴州罗畯欢
Owner GUANGXI TEACHERS EDUCATION UNIV
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