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Graphene-modified fluororesin coating material

A graphene-modified, fluororesin technology, applied in the field of coatings, can solve problems such as poor adhesion, impact resistance, and low strength of fluororesin coatings, and achieve long-lasting efficacy, low cost, and simple and convenient use

Active Publication Date: 2014-04-23
NINGBO MORSH NEW MATERIALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The purpose of the present invention is to provide a kind of intensity that improves fluororesin coating, and the adhesive force with base material, the resistance to impact in order to solve the defect that existing fluororesin coating is lower, and the adhesion with base material, impact resistance is poorer. Friction performance, impact resistance, corrosion resistance, graphene-modified fluororesin coating with improved thermal conductivity

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] Add graphene slurry into the fluororesin coating, stir evenly and let it stand for 2 hours. Shell powder, bentonite, mica powder and lignin fiber are first mixed with water and treated at 90°C for 4 hours, then centrifuged and dried at 120°C. drying to obtain the second additive; then adding the first additive and the second additive to the paint, and stirring evenly to obtain a graphene-modified fluororesin paint. Wherein, the addition of graphene accounts for 0.01% by mass percentage of coating, the first additive and the second additive addition account for the mass percentage of coating and is 0.1%, and the first additive is nanometer Al 2 o 3 , the mass ratio of the first additive to the second additive is 1:1; the mass ratio of shell powder, bentonite, mica powder and lignin fiber in the second additive is 1:3:2.

[0037]

Embodiment 2

[0039] Add graphene slurry into the fluororesin coating, stir evenly and let it stand for 2 hours. Shell powder, bentonite, mica powder and lignin fiber are first mixed with water and treated at 90°C for 4 hours, then centrifuged and dried at 120°C. drying to obtain the second additive; then adding the first additive and the second additive to the paint, and stirring evenly to obtain a graphene-modified fluororesin paint. Wherein, the addition of graphene accounts for 0.1% by mass percentage of coating, the first additive and the second additive addition account for the mass percentage of coating is 1.5%, and the first additive is nano-TiO 2 , Nano ZnO, Nano TiO 2 The mass ratio to nano ZnO is 1:1, the mass ratio of the first additive to the second additive is 1:2; the mass ratio of shell powder, bentonite, mica powder and lignin fiber in the second additive is 1:2:3 .

[0040]

Embodiment 3

[0042]Add graphene powder into the fluororesin coating, stir evenly and let it stand for 2 hours. Mix shell powder, bentonite, mica powder and lignin fiber with water first, treat at 90°C for 4h, then centrifuge and dry at 120°C drying to obtain the second additive; then adding the first additive and the second additive to the coating, and stirring evenly to obtain a graphene-modified fluororesin coating. Wherein, the addition of graphene accounts for 0.5% of the mass percentage of coating, the first additive and the second additive addition account for the mass percentage of coating of 3.5%, and the first additive is nano-TiO 2 , Nano ZnO, Nano TiO 2 The mass ratio to nano-ZnO is 1:2, the mass ratio of the first additive to the second additive is 1:3; the mass ratio of shell powder, bentonite, mica powder and lignin fiber in the second additive is 1:1:4 .

[0043]

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Abstract

The present invention discloses a graphene-modified fluororesin coating material, which comprises a film forming substance, commonly used additives, a solvent and graphene, wherein the amount of the added graphene is 0.001-10% of the mass of the fluororesin coating material, the fluororesin coating material is further added with the first additive and the second additive, and the addition amount of the first additive and the second additive is 0.1-3.5% of the mass of the fluororesin coating material. According to the present invention, the graphene is adopted to improve the strength of the fluororesin coating material, wherein the friction resistance, the adhesion of the fluororesin coating material and the substrate, the impact resistance and the thermal conductivity of the fluororesin coating material are significantly increased; and the fluororesin coating material has characteristics of low cost, less use amount, durable effect and simple and convenient use, and can be used in a plurality of fields of building industry, household non-stick cookware, marine life fouling resistance fields, high temperature resistance fields, national economy and national defense construction fields and the like.

Description

technical field [0001] The invention relates to a coating, in particular to a graphene-modified fluororesin coating which improves the strength of the fluororesin coating, the adhesion to the base material, the friction resistance, the impact resistance, the corrosion resistance, and the thermal conductivity. [0002] Background technique [0003] Fluorine resin coating refers to the coating with fluorine resin as the main film-forming substance, also known as fluorocarbon paint, fluorine coating, etc. Among all kinds of coatings, fluororesin coatings have greater electronegativity and strong carbon-fluorine bond energy due to the introduction of fluorine elements, and their weather resistance, heat resistance, low temperature resistance, and chemical resistance are greatly improved compared with traditional coatings. After decades of development, fluorine coatings have been widely used in various fields such as construction, chemical industry, electrical and electronic ind...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D127/18C09D127/16C09D127/12C09D197/00C09D7/12
Inventor 唐长林王樑付正伟陈鹏蔡凤新
Owner NINGBO MORSH NEW MATERIALS
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