Polymer nano ZnO compound antibacterial agent for synthetic leathers based on in-situ polymerization process and preparation method of polymer nano ZnO compound antibacterial agent

A compound antibacterial agent and in-situ polymerization technology, which is applied in the field of preparation of antibacterial agents for synthetic leather, to achieve the effect of improving antibacterial performance

Active Publication Date: 2015-05-27
SHAANXI UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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preparation example Construction

[0021] The preparation method of the polymer nano-ZnO composite antibacterial agent for synthetic leather based on the in-situ polymerization method involved in the present invention adopts the sol-gel method to prepare nano-ZnO, and then chlorinates it with dimethyl diallyl by the in-situ method Ammonium, allyl glycidyl ether, and methacrylic acid to prepare polymer-based / nano-zinc oxide composites, intending to use N + The synergistic effect with nano-zinc oxide improves the antibacterial performance of synthetic leather base fabric. Specifically include the following steps:

[0022] Step 1: Preparation of nano ZnO sol:

[0023] Heat the water bath to 60°C, add 0.658-1.317g of zinc acetate and 100ml of ethanol into a 150ml three-neck flask, adjust the speed to 400rpm, and stir for 10min;

[0024] Add 12.615g diethanolamine and stir for 10min;

[0025] Add 2.425g of diallyldimethylammonium chloride, stir for 10min, keep warm for 2h, and cool to room temperature to prepare ...

Embodiment 1

[0032] Step 1: Preparation of nano ZnO sol:

[0033] Heat the water bath to 60°C, add 0.658g of zinc acetate and 100ml of ethanol into a 150ml three-neck flask, adjust the speed to 400rpm, and stir for 10min;

[0034] Add 12.615g diethanolamine and stir for 10min;

[0035] Add 2.425g of diallyldimethylammonium chloride, stir for 10min, keep warm for 2h, and cool to room temperature to prepare nano-ZnO sol;

[0036] Step 2: Prepare composite antibacterial agent:

[0037] 2.4g ammonium persulfate was added into 38.4g water to make ammonium persulfate aqueous solution;

[0038] 0.675g sodium bisulfite was added into 10g water to make sodium bisulfite aqueous solution;

[0039] 1.8g allyl glycidyl ether, 2.46g methacrylic acid and the nano ZnO sol that step 1 makes are mixed to make nano ZnO sol mixed solution;

[0040] Raise the temperature of the water bath to 80°C, add 97g of diallyldimethylammonium chloride, 1 / 3 of ammonium persulfate aqueous solution and sodium bisulfite ...

Embodiment 2

[0042] Step 1: Preparation of nano ZnO sol:

[0043] Heat the water bath to 60°C, add 0.988g of zinc acetate and 100ml of ethanol into a 150ml three-neck flask, adjust the speed to 400rpm, and stir for 10min;

[0044] Add 12.615g diethanolamine and stir for 10min;

[0045] Add 2.425g of diallyldimethylammonium chloride, stir for 10min, keep warm for 2h, and cool to room temperature to prepare nano-ZnO sol;

[0046] Step 2: Prepare composite antibacterial agent:

[0047] 2.4g ammonium persulfate was added into 38.4g water to make ammonium persulfate aqueous solution;

[0048] 0.675g sodium bisulfite was added into 10g water to make sodium bisulfite aqueous solution;

[0049] 1.8g allyl glycidyl ether, 2.46g methacrylic acid and the nano ZnO sol that step 1 makes are mixed to make nano ZnO sol mixed solution;

[0050] Raise the temperature of the water bath to 80°C, add 97g of diallyldimethylammonium chloride, 1 / 3 of ammonium persulfate aqueous solution and sodium bisulfite ...

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Abstract

The invention relates to a polymer nano ZnO compound antibacterial agent for synthetic leathers based on an in-situ polymerization process and a preparation method of the polymer nano ZnO compound antibacterial agent. Studies relative to an antibacterial agent for synthetic leather base cloths have been rarely reported at present. The preparation method comprises the following steps: mixing zinc acetate and ethanol in water bath, and adding diethanolamine and diallyldimethylammonium chloride to prepare a nano ZnO sol; uniformly mixing allyl glycidyl ether, methacrylic acid and the nano ZnO sol to prepare a nano ZnO sol mixed solution; and mixing diallyldimethylammonium chloride, an ammonium persulfate aqueous solution and a sodium hydrogen sulfite aqueous solution in the water bath for bottoming, dropwise adding the ammonium persulfate aqueous solution and the nano ZnO sol mixed solution, performing stirring reaction, and performing heat preservation and cooling to obtain the antibacterial agent for superfine fiber synthetic leather base cloths. According to the compound antibacterial agent disclosed by the invention, the antibacterial properties of the synthetic leather base cloths can be well improved by virtue of the synergistic effects of N<+> and nano ZnO; and the compound antibacterial agent can be applied to the superfine fiber synthetic leather base cloths, and ensures that the antibacterial rate on escherichia coli and staphylococcus aureus can reach more than 99%.

Description

technical field [0001] The invention relates to a preparation method of an antibacterial agent for synthetic leather, in particular to a polymer nanometer ZnO composite antibacterial agent for synthetic leather based on an in-situ polymerization method and a preparation method thereof. Background technique [0002] Synthetic leather is widely used to make shoes, boots, bags and balls, etc., but it contains nutrients necessary for bacteria and mold. Under appropriate temperature and humidity conditions, bacteria and mold will multiply on synthetic leather, causing Decreased resistance to microorganisms. Base cloth is very important to the performance of synthetic leather. Therefore, it is of great significance to study excellent and long-acting antibacterial materials for synthetic leather base cloth. [0003] With the deepening of scientific and technological development research, the research of nanotechnology and its antibacterial research in synthetic leather have also...

Claims

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Application Information

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IPC IPC(8): C08F226/02C08F220/06C08F216/14C08F2/44C08K3/22C08L39/00D06M15/356D06M11/44
Inventor 高党鸽梁志扬吕斌马建中刘思齐
Owner SHAANXI UNIV OF SCI & TECH
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