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Polymer/Ag doped nanometer ZnO long-acting antibacterial and mildew-proof finishing agent for cotton fabric and preparation method of finishing agent

An antibacterial and antifungal, polymer technology, applied in fiber treatment, plant fiber, biochemical fiber treatment and other directions, can solve the problems of low antibacterial performance, excessive dissolution at one time, and reduced textile performance, and achieves a simple and easy preparation method. Non-toxic and environmentally friendly effects

Inactive Publication Date: 2017-01-04
SHAANXI UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a polymer / Ag-doped nano ZnO long-acting antibacterial and mildew-proof finishing agent for cotton fabrics and a preparation method thereof, so as to solve the problem that antibacterial materials for cotton fabrics in the prior art have low antibacterial properties against bacteria and molds , and too much dissolution at one time, with the increase of storage time and use time, the loss of antibacterial and antifungal properties leads to the decline of textile performance

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] The first step: preparation of Ag-doped nano-ZnO:

[0039]The silver nitrate of 0.045 mass parts is dissolved in the deionized water of 58.526 mass parts, obtains silver nitrate aqueous solution;

[0040] The sodium hydroxide of 7.464 mass parts is dissolved in the deionized water of 40 mass parts, obtains sodium hydroxide aqueous solution;

[0041] Add 58.526 parts by mass of deionized water and 5.852 parts by mass of zinc acetate into a 250mL three-necked flask, and at a stirring speed of 380rpm, heat the oil bath to 75°C to fully dissolve the zinc acetate, add aqueous sodium hydroxide solution to it, and keep warm React for 3 hours, add silver nitrate solution to it, keep the temperature for 2 hours, raise the temperature of the oil bath to 90°C, keep the temperature for 2.5 hours, cool to room temperature, and obtain a brown suspension, which is centrifuged and washed;

[0042] Ag-doped nano-ZnO was obtained after drying at 105 °C,

[0043] The second step: prepar...

Embodiment 2

[0048] The first step: preparation of Ag-doped nano-ZnO:

[0049] The silver nitrate of 0.068 mass parts is dissolved in the deionized water of 58.526 mass parts, obtains silver nitrate aqueous solution;

[0050] The sodium hydroxide of 7.464 mass parts is dissolved in the deionized water of 40 mass parts, obtains sodium hydroxide aqueous solution;

[0051] Add 58.526 parts by mass of deionized water and 4.261 parts by mass of zinc acetate into a 250mL three-necked flask, and at a stirring speed of 380rpm, heat the oil bath to 75°C to fully dissolve the zinc acetate, add aqueous sodium hydroxide solution to it, and keep warm React for 3 hours, add silver nitrate solution to it, keep the temperature for 2 hours, raise the temperature of the oil bath to 90°C, keep the temperature for 2.5 hours, cool to room temperature, and obtain a brown suspension, which is centrifuged and washed;

[0052] Ag-doped nano-ZnO is obtained after drying at 105° C., and the mole percentage of silve...

Embodiment 3

[0058] The first step: preparation of Ag-doped nano-ZnO:

[0059] The silver nitrate of 0.091 mass parts is dissolved in the deionized water of 58.526 mass parts, obtains silver nitrate aqueous solution;

[0060] The sodium hydroxide of 7.464 mass parts is dissolved in the deionized water of 40 mass parts, obtains sodium hydroxide aqueous solution;

[0061] Add 58.526 parts by mass of deionized water and 5.114 parts by mass of zinc acetate into a 250mL three-necked flask, and at a stirring speed of 380rpm, heat the oil bath to 75°C to fully dissolve the zinc acetate, add aqueous sodium hydroxide solution to it, and keep warm React for 3 hours, add silver nitrate solution to it, keep the reaction for 2 hours, raise the temperature of the oil bath to 90°C, keep the temperature for 2.5 hours, cool to room temperature, and obtain a brown suspension, which is centrifuged and washed;

[0062] Ag-doped nano-ZnO is obtained after drying at 105° C., and the mole percentage of silver a...

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Abstract

The invention relates to a polymer / Ag doped nanometer ZnO long-acting antibacterial and mildew-proof finishing agent for a cotton fabric and a preparation method of the finishing agent. The existing antibacterial material for the cotton fabric is low in antibacterial performance, great in one-time dissolution, and not lasting in the antibacterial and mildew-proof performance. Ag doped nanometer ZnO is prepared by using zinc acetate and silver nitrate as precursors by a coprecipitation method; the polymer / Ag doped nanometer ZnO long-acting antibacterial and mildew-proof finishing agent is prepared by using Ag doped ZnO, allyl glycidyl ether and dimethyl diallyl ammonium chloride as raw materials via an in-situ polymerization method. The antibacterial and mildew-proof finishing agent is applied to the afterfinish of the cotton fabric; the Ag doped ZnO in the composite material and N+ in the dimethyl diallyl ammonium chloride can jointly resist bacteria to achieve the efficient antibacterial and mildew-proof performance; the hydroxyl of the cotton fabric surface can be crosslinked with the epoxy group in the polymer; the long-acting antibacterial and mildew-proof performance of the cotton fabric is improved; meanwhile, the injury to the human body caused by one-time dissolution of the nanometer antibacterial material used by the fabric is reduced.

Description

technical field [0001] The invention relates to an antibacterial and antifungal agent for fabrics, in particular to a polymer / Ag doped nano ZnO long-acting antibacterial and antifungal finishing agent for cotton fabrics and a preparation method thereof. Background technique [0002] The textile and garment industry is the pillar industry of my country's national economy. The ecological processing of textile and garment products and the development of various health functional products have also become hot issues of widespread concern. Cotton fiber has a porous shape, is rich in cellulose and is easy to adhere to sweat and sebum, making it easy to breed bacteria and fungi during use and storage, causing mildew and discoloration of textiles, affecting its performance, and even endangering human health. It is very necessary to carry out antibacterial and antifungal finishing on fabrics, and antibacterial and antifungal finishing agents for fabrics have also been extensively res...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D06M11/83D06M11/44D06M15/356D06M101/06
CPCD06M11/83D06M11/44D06M15/3562D06M16/00D06M2101/06
Inventor 高党鸽吕磊红吕斌马建中马珂
Owner SHAANXI UNIV OF SCI & TECH
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