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Preparation method of waterborne antibacterial inorganic coating

An inorganic coating, water-based technology, applied in the field of coatings, can solve the problems of single function and difficult to meet multi-function, and achieve the effect of meeting multi-functional requirements, good antibacterial effect, excellent antibacterial and anti-formaldehyde characteristics

Inactive Publication Date: 2016-11-09
佛山市高明区尚润盈科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing water-based inorganic coatings have a single function, and it is difficult to meet the multi-functional characteristics.

Method used

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  • Preparation method of waterborne antibacterial inorganic coating
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  • Preparation method of waterborne antibacterial inorganic coating

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] A kind of preparation method of porous graphene loaded silver / titanium dioxide antibacterial composite material, it comprises the following steps:

[0031] (1) Preparation of graphene quantum dot suspension: weigh 0.5g of C60 powder, measure 100ml of concentrated sulfuric acid with a mass fraction of 98%, mix C60 powder and concentrated sulfuric acid in a beaker, put the beaker in an ice-water bath, and simultaneously Stir at a speed of 500rpm to obtain a mixed solution; weigh 3g of potassium permanganate powder, and slowly add it to the above mixed solution; remove the ice-water bath and replace it with a water bath, keep the temperature of the water bath at 30-40°C, and react for 5 hours; quickly add 200ml of pure Water, filtered, and then dialyzed for 3 days with a dialysis bag with a molecular weight cut-off of 1000 to obtain a suspension of graphene quantum dots; the suspension of graphene quantum dots was stirred at a speed of 100 rpm, while laser irradiation was p...

Embodiment 2

[0038] A kind of preparation method of porous graphene loaded silver / titanium dioxide antibacterial composite material, it comprises the following steps:

[0039] (1) Preparation of graphene quantum dot suspension: weigh 0.6g of C60 powder, measure 50-100ml of concentrated sulfuric acid with a mass fraction of 98%, mix C60 powder and concentrated sulfuric acid in a beaker, put the beaker in an ice-water bath, At the same time, stir at a speed of 500rpm to obtain a mixed solution; weigh 1g of potassium permanganate powder, and slowly add it to the above mixed solution; remove the ice-water bath and replace it with a water bath, keep the temperature of the water bath at 30~40°C, and react for 7 hours; quickly add 200ml of pure water, filtered, and then dialyzed with a dialysis bag with a molecular weight cut-off of 1000 for 3 days to obtain a suspension of graphene quantum dots; stir the suspension of graphene quantum dots at a speed of 100rpm, and irradiate the laser for 45min a...

Embodiment 3

[0046] A kind of preparation method of porous graphene loaded silver / titanium dioxide antibacterial composite material, it comprises the following steps:

[0047] (1) Preparation of graphene quantum dot suspension: Weigh 0.8g of C60 powder, measure 100ml of concentrated sulfuric acid with a mass fraction of 98%, mix C60 powder and concentrated sulfuric acid in a beaker, put the beaker in an ice-water bath, and simultaneously Stir at a speed of 500rpm to obtain a mixed solution; weigh 0.5g of potassium permanganate powder, and slowly add it to the above mixed solution; remove the ice-water bath and replace it with a water bath, keep the temperature of the water bath at 30-40°C, and react for 8 hours; quickly add 100ml Pure water, filtered, and then dialyzed for 3 days with a dialysis bag with a molecular weight cut-off of 1000, to obtain a suspension of graphene quantum dots; the suspension of graphene quantum dots was stirred at a speed of 100 rpm, while laser irradiation was p...

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Abstract

The invention discloses a preparation method of a waterborne antibacterial inorganic coating. The preparation method includes following steps: (1), dispersing diatomite in a water solution, ultrasonically stirring while dropwise adding an antibacterial compound water dispersion solution, standing, performing suction filtration cleaning for several times, and drying to obtain a diatomite / antibacterial compound; (2), at room temperature, mixing and stirring water and a defoamer, adding pigment and a filler, and fully stirring to obtain a solution A; (3), mixing silica sol with a polymer solution, fully stirring, adding the diatomite / antibacterial compound, and stirring to obtain a solution B; (4), adding a film forming auxiliary and a thickener into the solution B obtained in the step (3), and fully stirring to obtain a solution C; (5), dropwise adding the solution C into the solution A, fully stirring, and filtering. By reasonably matching a diatomite / antibacterial composite material and diatomite / inorganic oxide and through synergism among functional additives, the inorganic coating has excellent antibacterial, anti-formaldehyde and deodorizing characteristics and meets multifunctional needs, and application range of the inorganic coating is further expanded.

Description

technical field [0001] The invention relates to the technical field of coatings, in particular to a preparation method of a water-based antibacterial inorganic coating. Background technique [0002] Inorganic coatings mainly refer to coatings prepared by using silicate and phosphate compounds as binders, adding various pigments, fillers, additives, and curing agents. Among them, silicate polymer compounds can be divided into alkali metal Silicates and silica sols. This kind of coating with inorganic binder as the film-forming substance has low film-forming temperature, excellent weather resistance, very stable under the action of ultraviolet light, good heat resistance, non-combustible in case of fire, and good resistance to heat. Pollution, not easy to absorb dust, can maintain a bright decorative effect, no volatile organic compounds are produced during production and use, will not pollute the environment, rich raw material resources, low cost and other advantages, so it ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D1/00C09D5/14C09D7/12
CPCC09D1/00C09D5/14
Inventor 陆庚
Owner 佛山市高明区尚润盈科技有限公司
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