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Photochromic photocureable coating and preparation method thereof

A curing coating, photochromic technology, used in multi-color effect coatings, antifouling/underwater coatings, polyurea/polyurethane coatings, etc. problems, to achieve excellent antibacterial and deodorant properties, prevent agglomeration, and achieve the effect of good antibacterial effect

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, in the antibacterial method, the existing methods of metal ions such as nano-silver and the matrix resin cannot be tightly combined (especially when the content of nano-silver particles increases, it is easy to agglomerate), and it is easy to fall off during use, thus affecting the service life and antibacterial effect.
At the same time, the existing light-curing coatings have a single function, and one light-curing coating cannot meet various needs. It is often mixed with light-curing coatings with multiple functions, but it is difficult to achieve the desired effect.

Method used

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  • Photochromic photocureable coating and preparation method thereof
  • Photochromic photocureable coating and preparation method thereof
  • Photochromic photocureable coating and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] A kind of preparation method of antibacterial composite material, it comprises the following steps:

[0026] (1) Preparation of graphene quantum dot suspension: weigh 0.5g of C60 powder, measure 50ml of concentrated sulfuric acid with a mass fraction of 98%, mix C60 powder and concentrated sulfuric acid in a beaker, place 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 8 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 performed for 30 minutes, and the laser irradia...

Embodiment 2

[0035] A kind of preparation method of antibacterial composite material, it comprises the following steps:

[0036] (1) Preparation of graphene quantum dot suspension: Weigh 0.7g of C60 powder, measure 80ml of concentrated sulfuric acid with a mass fraction of 98%, mix C60 powder and concentrated sulfuric acid in a beaker, place the beaker in an ice-water bath, and simultaneously Stir at a speed of 500rpm to obtain a mixed solution; weigh 2g 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 6 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 performed for 45 minutes, and the laser irradia...

Embodiment 3

[0045] A kind of preparation method of antibacterial composite material, it comprises the following steps:

[0046](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 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 5 hours; quickly add 100ml 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 performed for 60 minutes, and the laser irradiati...

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Abstract

The invention discloses a photochromic photocureable coating and a preparation method thereof. The method comprises a step (1) of causing a mixture of aliphatic polyurethane hexacrylate and pure acrylate prepolymer to be mixed with an initiator, an inorganic oxide and a photochromic compound, and evenly mixing the materials and standing for 1-2 h; a step (2) of mixing ethyl cellulose, surface auxiliaries, cosolvent and the materials obtained through the step (1), performing warming to 50-70 DEG C, performing stirring for 25-30 min at 1000-1200 rpm, and adding an antibacterial composite material and ethyl alcohol, so that the photochromic photocureable coating is obtained. An antibacterial compound accounts for 0.5-0.6% the total weight of the mixture; the inorganic oxide accounts for 3-4% the total weight of the mixture; and the photochromic compound accounts for 1-3% the total weight of the mixture. Through reasonable matching of the inorganic oxide, the photochromic compound and the antibacterial compound, the inorganic oxide, the photochromic compound and the antibacterial compound have a synergistic effect, so that the coating has excellent antibacterial and deodorizing performances and further has photochromic characteristics, the requirements of the multifunctional photocureable coating are met, and the application of the photocureable coating is further expanded.

Description

technical field [0001] The invention relates to the technical field of coatings, in particular to a photochromic light-curing coating and a preparation method thereof. Background technique [0002] Since the advent of UV-curable coatings, it has the characteristics of 5E, that is, efficient (Efficient), wide application (Enabling), economical (Economical), energy-saving (Energy Saying), and environmentally friendly (Environmental-friendly). In the prior art, UV-curable coatings have been widely used in fields closely related to life to beautify and protect objects. However, in the antibacterial method, the existing methods of metal ions such as nano-silver and the matrix resin cannot be tightly combined (especially when the content of nano-silver particles increases, it is easy to agglomerate), and it is easy to fall off during use, thus affecting the service life and antibacterial effect. . At the same time, the existing light-curing coatings have a single function, and a...

Claims

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Application Information

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IPC IPC(8): C09D175/14C09D5/14C09D5/29C09D7/12
CPCC09D175/14C08K2201/011C09D5/14C09D5/29C08L1/28C08K13/06C08K9/12C08K3/04C08K2003/0806C08K2003/2241C08K3/36
Inventor 陆庚
Owner 佛山市高明区尚润盈科技有限公司
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