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Waterborne fluorinated graphene coating and preparation method and application thereof

A fluorinated graphene and water-based fluorine technology, applied in the field of coatings, can solve the problems of reducing the protective ability of the guardrail, the loss of the zinc layer, and the decline of the appearance and decoration.

Active Publication Date: 2020-02-11
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

[0004] Highway guardrails generally use galvanized technology. Without other protective treatments, when they are in harsh outdoor environments, they are exposed to sunlight, wind and rain erosion, thermal expansion and contraction, automobile exhaust, and acid rain and salt spray. In the process of use, the zinc layer is worn out, loses its luster, loses its anti-corrosion ability, reduces the decorative appearance, and reduces the protective ability of the guardrail.

Method used

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  • Waterborne fluorinated graphene coating and preparation method and application thereof
  • Waterborne fluorinated graphene coating and preparation method and application thereof
  • Waterborne fluorinated graphene coating and preparation method and application thereof

Examples

Experimental program
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Effect test

preparation example Construction

[0076] The preparation method of fluorine-modified acrylic acid emulsion is as follows:

[0077] 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.

[0078] 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.

[0079] S3: 100 parts by mass of the emulsifier solution was heated up to 80° C., and 100 parts by mass of the monomer pre-emulsion and 2 parts by mass of an aqueous potassium persulfate solution (4 wt %) were added dropwise under nitrogen protecti...

Embodiment 1

[0083] The composition of the coating A component of Example 1 is shown in Table 1.

[0084] The A component composition of table 1 embodiment 1 coating

[0085] components parts by mass DER WB6001 60 Fluorine modified acrylic emulsion 5 CY-9118 10 BYK-306 1 DOP 1 P25 1 DXPL-21 0.5 TEGO-825 0.2 EXL-2690 0.5 Deionized water 20.2 Fluorinated graphene XF225 0.05 Graphene powder TY-3000 0.25 KYC-913 0.3

[0086] The preparation method of the aqueous fluorinated graphene coating of embodiment 1 is as follows:

[0087] Add nano-dispersant KYC-913, fluorinated graphene powder, graphene powder, and deionized water into the glass reactor according to the ratio in Table 1, first stir at 900r / min for 1 hour, then ultrasonically disperse for 30 minutes, and ultrasonically The power is 1.5kW, and the graphene dispersion suspension is obtained after discharging.

[0088] Put the remaining materials...

Embodiment 2

[0092] The composition of the coating A component of Example 2 is shown in Table 2.

[0093] The A component composition of table 2 embodiment 2 coatings

[0094] components parts by mass DER WB6001 50 Fluorine modified acrylic emulsion 15 CY-9118 10 BYK-306 1 DOP 1 P25 1 DXPL-21 0.5 TEGO-825 0.2 EXL-2690 0.5 Deionized water 19.9 Fluorinated graphene XF225 0.1 Graphene powder TY-3000 0.5 KYV-913 0.3

[0095] The only difference between the water-based fluorinated graphene coating in Example 2 and the preparation method in Example 1 is that the materials are added according to the composition of A component in Table 2, and the rest of the preparation methods are the same.

[0096] The coating in this example uses curing agent WB8006 as component B, and the mass ratio of component A to component B is 100:20.

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Abstract

The invention discloses a waterborne fluorinated graphene coating and a preparation method and application thereof. The waterborne fluorinated graphene coating comprises a component A and a componentB, wherein the component A is composed of the following components: a waterborne epoxy resin emulsion, a fluorine-modified acrylic emulsion, waterborne aluminum-silver paste, fluorinated graphene, graphene, a leveling agent, a plasticizer, a photo-catalyst, an alignment agent, a defoaming agent, a toughener, a dispersant, and water; the component B is a waterborne epoxy curing agent; and a mass ratio of the component A to the component B is (3-6):1. The invention also discloses the preparation method of the waterborne fluorinated graphene coating, and the application of the waterborne fluorinated graphene coating in the surface treatment of highway guardrails. The waterborne fluorinated graphene coating has good weather resistance and physical properties, at the same time has the antifouling and self-cleaning ability, and has excellent anticorrosive and rustproof performance, and thereby the coating is suitable for the surface treatment of highway guardrails.

Description

technical field [0001] The invention relates to the technical field of coatings, in particular to a water-based fluorinated graphene coating and a preparation method and application thereof. Background technique [0002] Highway guardrail is the main form of semi-rigid guardrail, which is a continuous structure that is spliced ​​with corrugated steel guardrail panels and supported by main columns. The function of absorbing energy when the vehicle collides with the highway guardrail is not easy to be crashed, and at the same time it can play a very good role in protecting the vehicle and the passengers. [0003] The surface treatment of highway guardrails can be divided into two types: hot-dip galvanizing and galvanized spraying, among which galvanizing can be divided into hot-dip galvanizing and cold-dip galvanizing. Hot-dip galvanizing is to immerse the rust-removed steel parts in the zinc solution at 500 ° C, so that the surface of the steel components is attached with a ...

Claims

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Application Information

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IPC IPC(8): C09D163/00C09D133/10C09D5/16C09D5/10C09D7/62C09D7/61
CPCC08K2003/0812C08L2201/08C09D5/103C09D5/1662C09D5/1687C09D163/00C08L33/16C08K13/06C08K3/042C08K3/08C08K9/02
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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