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Aqueous mirror back aluminum plated protective coating

A technology for protecting coatings and mirror backs, applied in the direction of anti-corrosion coatings, coatings, etc., to achieve the effect of approaching the overall use cost, avoiding secondary environmental pollution, and reducing construction costs

Inactive Publication Date: 2019-02-15
广东鑫皇冠新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, the oil-based coating products used for the protection of mirror back aluminized film at home and abroad are relatively mature and the technology is stable, especially in the field of epoxy modification of acrylic, alkyd and other resins, and the homogenization competition in the field of mirror back glass processing is serious.

Method used

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  • Aqueous mirror back aluminum plated protective coating
  • Aqueous mirror back aluminum plated protective coating
  • Aqueous mirror back aluminum plated protective coating

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] The invention provides a kind of water-based mirror back aluminized protective coating, and by weight percentage, described coating comprises following raw material:

[0031]

[0032] The preparation method step of described 65% solid water-based pure acrylic resin is:

[0033] (1) The mixture acrylic acid monomer is pumped into the reaction vessel with a feeding pump, and the pumping time is 25-30min;

[0034] (2) The first type of initiator dissolved in solvent is added dropwise in the reaction vessel of step (1), and stirred, while insulated at 80-85°C for 1.5-3.5h, the first type of initiator is Organic peroxides, such as one or more of dibenzoyl peroxide, tert-butyl monoperoxyphthalate, tert-butyl peroxyacetate and tert-amyl peroxybenzoate, etc., the solvent It can be one or more of ethylene glycol butyl ether, butanol, diethylene glycol butyl ether, propylene glycol butyl ether, dipropylene glycol butyl ether, propylene glycol methyl ether, isopropanol, and et...

Embodiment 2

[0053] On the basis of embodiment 1, present embodiment 2 is as a preferred embodiment of the present invention, a kind of water-based mirror back aluminized protective coating, by weight percentage, comprises following raw material:

[0054]

[0055]

[0056] Wherein, the pumping time in the described preparation step (1) of the 65% solid-containing water-based pure acrylic resin is 28min, the soaking time in the described step (2) is 2.5h, and the time in the described step (3) The heat preservation time is 2.5h, and the heat preservation time in the described step (4) is 1h.

[0057] Wherein, the pumping time in the described preparation step (1) of the 65% solid-containing water-based epoxy-modified acrylic resin is 28min, the soaking time in the described step (2) is 2.5h, and the described step (3 ) in the heat preservation time is 2.5h, and the heat preservation time in the described step (4) is 1h.

[0058] The preparation method of the water-based aluminized pr...

Embodiment 3

[0060] On the basis of embodiment 2, present embodiment 3 is as a preferred embodiment of the present invention, a kind of water-based mirror back aluminized protective paint, by weight percentage, comprises following raw material:

[0061]

[0062] Wherein, the preparation of the 65% solid water-based pure acrylic resin and the 65% solid water-based epoxy-modified acrylic resin refers to Example 2.

[0063] Wherein, the preparation method of the water-based aluminized protective coating on the back of the mirror is the same as in Example 2.

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Abstract

The invention discloses an aqueous mirror back aluminum plated protective coating which comprises the following raw materials in percentage by weight: 19-25% of a 65% solid content aqueous pure acrylic resin, 10-16% of a 65% solid content aqueous epoxy modified acrylic resin, 4-6% of a 100% solid content complete methoxylation amino resin, 33-50 parts of inorganic pigment packing slurry, 4-6 partsof a cosolvent, 4-6 parts of a composite colloid aid and 8-12 parts of distilled water. By using main body resin, a technical measure of aqueous preparation, and water as a construction medium, the prepared coating has property effects equivalent to those of an oily product on the premise that environment pollution problems caused by excessive VOC (Volatile Organic Compound) emission are solved.

Description

technical field [0001] The invention belongs to the field of coatings, and in particular relates to a water-based aluminum-plated protective coating on the back of a mirror. Background technique [0002] At present, the oil-based coating products used for the protection of mirror back aluminized film at home and abroad are relatively mature and the technology is stable, especially in the field of epoxy modification of acrylic, alkyd and other resins, and the homogenization competition in the field of mirror back glass processing is serious. The common denominator is that there are serious environmental problems. In Xingtai and Qinhuangdao in Hebei, Tengzhou in Shandong, Jiaxing in Zhejiang and Dongguan in Guangdong, etc., there are huge market potentials that urgently need to solve environmental protection problems. [0003] As far as the current development trend is concerned, in recent years, the country has stepped up environmental protection efforts, and VOC emissions h...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D133/04C09D161/32C09D7/20C09D5/08
CPCC08L2205/025C08L2205/03C08L2207/53C09D5/08C09D7/20C09D133/04C08L33/04C08L61/32
Inventor 谭贺洵汪洋张明远
Owner 广东鑫皇冠新材料有限公司
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