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Making method of graphene oxide-containing antibiosis and mildew prevention wallpaper

A technology of antibacterial and antifungal, antibacterial and antifungal agent, applied in the fields of botanical equipment and methods, preparation of ether, special paper, etc., to achieve excellent bactericidal performance, improvement of home environment, and low cost

Inactive Publication Date: 2016-05-04
张建刚
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Commonly used in the application of wild lily extract and the field of medicine, but there are few reports on the application of its extract to the antibacterial and antifungal properties of wallpaper

Method used

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  • Making method of graphene oxide-containing antibiosis and mildew prevention wallpaper
  • Making method of graphene oxide-containing antibiosis and mildew prevention wallpaper

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] Isolation, preparation and structure confirmation of wild lily extract compounds:

[0021] Preparation method: (a) The dried whole herb of Wild Lily (10kg) is pulverized, extracted with 80% ethanol under heat reflux (25L×3 times), the extracts are combined, concentrated to no alcohol smell (3L), and successively washed with petroleum ether (3L ×3 times), ethyl acetate (3L×3 times) and water-saturated n-butanol (3L×3 times) were extracted to obtain petroleum ether extract, ethyl acetate extract (398g) and n-butanol extract respectively; (b) In the step (a), the ethyl acetate extract is removed with AB-8 type macroporous resin, first eluted with 10% ethanol for 8 column volumes, then with 75% ethanol for 10 column volumes, and collected 75 % ethanol eluate, concentrated under reduced pressure to obtain 75% ethanol eluate extract (163g); (c) 75% ethanol eluate extract in step (b) is separated with 200-300 mesh normal phase silica gel, and the volume The ratios are 85:1 (8...

Embodiment 2

[0024] A method for preparing graphene oxide-containing antibacterial and mildew-resistant wallpaper, the method comprising: uniformly distributing the prepared antibacterial and anti-mildew agent on the base paper through a spraying process to obtain the anti-bacterial and anti-mildew enzyme wallpaper.

[0025] The antibacterial and antifungal agent includes, in parts by weight: 0.5 parts of nano-graphene oxide, 2.3 parts of nano-cerium oxide, 0.01 part of wild lily extract compound, 1.0 part of polyethylene glycol, 0.2 part of polyvinylpyrrolidone, and 20 parts of water.

[0026] The nano-graphene oxide has a purity of ≥95%, a sheet thickness of 0.5nm, and a sheet length of 100nm.

[0027] The structural formula of the wild lily extract compound is and the preparation method is the same as in Example 1.

[0028] The preparation method of the antibacterial and antifungal agent specifically includes the following steps: (a) under the action of ultrasonic waves, successively ad...

Embodiment 3

[0032] A method for preparing graphene oxide-containing antibacterial and antibacterial wallpaper, the method comprising: uniformly distributing the prepared antibacterial and antifungal agent on the base paper through a spraying process to obtain the antibacterial and antifungal wallpaper.

[0033] The antibacterial and antifungal agent includes, in parts by weight: 4.35 parts of nano-graphene oxide, 5.5 parts of nano-cerium oxide, 1.65 parts of wild lily extract compound, 5.5 parts of polyethylene glycol, 1.8 parts of polyvinylpyrrolidone, and 80 parts of water.

[0034] The nano-graphene oxide has a purity of ≥95%, a sheet thickness of 2nm, and a sheet length of 800nm.

[0035] The structural formula of the wild lily extract compound is and the preparation method is the same as in Example 1.

[0036] The preparation method of the antibacterial and antifungal agent specifically includes the following steps: (a) under the action of ultrasonic waves, successively add polyethyl...

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Abstract

The invention relates to a making method of a graphene oxide-containing antibiosis and mildew prevention wallpaper, and the antibiosis and mildew prevention wallpaper obtained through the method. The method is characterized in that an antibiosis and mildew prevention agent prepared in the invention is uniformly distributed on a base paper through a sprinkling technology to obtain the antibiosis and mildew prevention wallpaper. Synergism of nanometer graphene oxide, Purpleflower Crotalarla Herb extract and nanometer cerium oxide makes the antibiosis, mildew prevention and peculiar smell removal effects of the wallpaper are substantially improved, the mildew prevention grade is 0 grade, the antibiosis rate to Staphylococcus aureus and Escherichia coli reaches up to 99.9%, and the antibiosis rate to moulds is 100%. The wallpaper does not contain formaldehyde or other toxic substances, so the formaldehyde adsorption effect can reach 98%, improvement of household environment is facilitated, physical and mental pleasant feeling is brought for users, and the use values and the economic benefit of the wallpaper are improved.

Description

technical field [0001] The invention relates to a preparation method, in particular to a preparation method of graphene oxide-containing antibacterial and mildew-proof wallpaper. It belongs to the field of new material technology. Background technique [0002] Wallpaper, also known as wallpaper, is a widely used interior decoration material. Because wallpaper has the characteristics of changeable style, various colors, rich patterns, safety and environmental protection, convenient construction, reasonable price, easy to replace and many other interior decoration materials, it is popular in developed countries and regions such as Europe, America, Southeast Asia, Japan and South Korea. gained considerable popularity. With the improvement of people's living standards in our country, wallpaper is widely favored by consumers because of its variety of colors and styles. However, silk wallpapers on the market today are prone to mildew, especially in the Jiangnan area. [0003] ...

Claims

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Application Information

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IPC IPC(8): D21H27/20E04F13/077D21H21/36D21H21/38D21H17/00D21H17/02D21H17/67A01N59/00A01N31/16A01P1/00A01P3/00C07C43/23C07C41/34C07C41/36
CPCA01N31/16A01N59/00C07C41/34C07C41/36C07C43/23D21H17/02D21H17/67D21H17/74D21H21/36D21H21/38D21H27/20E04F13/0866A01N2300/00
Inventor 张建刚张重静王兰芳
Owner 张建刚
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