A kind of water-based graphene coating for aluminum buckle plate and preparation method thereof

A water-based graphene and aluminum gusset technology, which is applied in the field of coatings, can solve the problems of water-based inks such as gloss, adhesion, resistance and other properties that are inferior, cannot meet the requirements for use of aluminum gussets, and does not meet environmental protection policies, and achieve bright colors. , Good anti-oil ability, the effect of improving anti-corrosion ability

Active Publication Date: 2021-07-20
广州盛门新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Solvent-baked coatings have large VOC emissions, and a large amount of organic volatiles will be emitted during the coating process. Even if ventilation devices are installed in the workshop, the residual air can still cause harm to the human body, which does not comply with environmental protection policies; powder Coatings have no VOC emissions, but during the spraying process, there is a lot of dust, which is also harmful to the human body; water-based inks are not as good as solvent-baked coatings in terms of gloss, adhesion, and resistance. In terms of high temperature resistance, aging resistance and oil resistance, Can not meet the requirements for the use of aluminum gussets

Method used

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  • A kind of water-based graphene coating for aluminum buckle plate and preparation method thereof
  • A kind of water-based graphene coating for aluminum buckle plate and preparation method thereof
  • A kind of water-based graphene coating for aluminum buckle plate and preparation method thereof

Examples

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preparation example Construction

[0066] The preparation method of fluorinated modified acrylic acid emulsion is as follows:

[0067] S1: In a four-necked flask equipped with a stirring and reflux condenser, add 200 parts by mass of deionized water, 2 parts by mass of sodium lauryl sulfate and 2 parts by mass of OP-10 emulsifier, and stir for 30 minutes. An emulsifier solution is obtained.

[0068] S2: In a glass reactor, 17 parts by mass of perfluorooctylethyl methacrylate, 50 parts by mass of butyl methacrylate and 3 parts by mass of methacrylic acid were mixed uniformly, and the 100 parts obtained in S1 Parts by mass of the emulsifier solution was added into a glass reactor, stirred evenly, and ultrasonically emulsified for 1 hour to obtain a monomer pre-emulsion.

[0069] S3: 100 mass parts of emulsifier solution is heated up to 80 DEG C, under the protection of nitrogen, dropwise add 100 mass parts of monomer pre-emulsion and 2 mass parts of potassium persulfate aqueous solution (mass percentage is 4wt%)...

Embodiment 1

[0074] The composition ratio of the paint composition of this example is shown in Table 1.

[0075] The coating composition proportioning of table 1 embodiment 1

[0076] raw material parts by mass TH-1048 60 SK-6462B 10 Fluorinated modified acrylic emulsion 10 XF225 0.2 Silanized modified graphene 0.3 Strontium aluminum polyphosphate hydrate 0.5 RW-2020 0.6 CY-9112 9.2 Organic Pigment Yellow PY152 0.5 KYC-713 0.15 Deionized water 7.75 KYC-913 0.3 TEGO-245 0.5

[0077] This example is used for the preparation method of the waterborne graphene coating of aluminum gusset plate, comprises the following steps:

[0078] 1) Add the dispersant KYC-913, fluorinated graphene XF225, silanized modified graphene and deionized water into the grinding tank according to the ratio in Table 1. After mixing evenly, use a nano grinder to grind at 1200r / min 8 hours, obtain graphene dispersion suspension ...

Embodiment 2

[0081] The composition ratio of the paint composition of this example is shown in Table 2.

[0082] The coating composition ratio of table 2 embodiment 2

[0083] raw material parts by mass TH-1048 50 SK-6462B 10 Fluorinated modified acrylic emulsion 20 XF225 0.4 Silanized modified graphene 0.1 Strontium aluminum polyphosphate hydrate 0.5 Coapur 830W 0.5 CY-9112 9.8 Phthalocyanine blue PB15:2 0.5 TEGO Airex 902W 0.15 Deionized water 7.45 FA-179 0.3 TEGO-245 0.5 KYC-913 0.3

[0084] The only difference between the water-based graphene coating of embodiment 2 and the preparation method of embodiment 1 is that the materials are added according to the composition of table 2, and all the other preparation methods are the same.

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Abstract

The invention discloses a water-based graphene coating for aluminum gussets and a preparation method thereof. This water-based graphene coating comprises the following components by mass: 40-60 parts of water-based polycarbonate resin, 20-40 parts of water dispersion emulsion, 0.1-1 part of functionalized graphene, 5-11 parts of filler, 0 parts of pigment ~1.5 parts, wetting agent 0.1~3 parts, rust inhibitor 0.3~2 parts, defoamer 0.1~1 part, thickener 0.2~1 part, dispersant 0.1~0.5 parts, water 3~10 parts. Also disclose the preparation method of this waterborne graphene coating simultaneously. The water-based graphene coating provided by the invention has the advantages of no VOC emission, strong applicability, good oil pollution resistance, excellent water resistance, environmental protection and pollution-free, long anti-corrosion timeliness, etc., and can meet the use requirements of aluminum gusset plate surface coating.

Description

technical field [0001] The invention relates to the technical field of coatings, in particular to a water-based graphene coating for aluminum gussets and a preparation method thereof. Background technique [0002] As a new type of decorative material, aluminum gussets are processed with various coatings on the surface to obtain various aluminum gusset products. They are widely used because of their many colors, strong decoration, good weather resistance and good corrosion resistance. For outdoor curtain wall decoration and indoor high-end home decoration, advertising decoration, etc. The surface treatment technologies of aluminum gussets are mainly powder coating, roller coating, thermal transfer printing, etc. It is generally divided into home decoration integrated aluminum gussets and engineering aluminum gussets. In recent years, water-based resins and related technologies have gradually made breakthroughs, and their application effects and performance are not inferior ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D169/00C09D125/14C09D133/10C09D5/16C09D5/08C09D7/62
CPCC08L2201/08C09D5/08C09D5/1618C09D5/1687C09D169/00C08L33/16C08L25/14C08K13/06C08K9/06C08K3/042C08K9/10C08K3/36
Inventor 蒋炜蔡铭陈稳城
Owner 广州盛门新材料科技有限公司
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