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Anticorrosive paint composition, method for preparing anticorrosive paint and anticorrosive paint

A technology for anti-corrosion coatings and compositions is applied in the fields of anti-corrosion coating compositions and the preparation of anti-corrosion coatings and anti-corrosion coatings. The effect of high corrosion and wear resistance

Active Publication Date: 2018-04-24
曹熙辰
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the above-mentioned excellent characteristics, the application research of graphene products has developed rapidly in recent years, but its research as an anti-corrosion coating is still in its infancy

Method used

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  • Anticorrosive paint composition, method for preparing anticorrosive paint and anticorrosive paint
  • Anticorrosive paint composition, method for preparing anticorrosive paint and anticorrosive paint

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0046] Add 0.5g of graphene powder into 100ml of N,N-dimethylformamide, ultrasonically disperse at a frequency of 20 Hz for 2 hours, then add 0.5g of γ-aminopropyltrimethoxysilane and 0.5g of distilled water, and mechanically Stir and react for 24 hours. After the reaction, use suction filtration to obtain a black powdery solid product, i.e. organosilane-modified graphene; add 0.3g of the above-mentioned organosilane-modified graphene to 80mlN, in N-dimethylformamide, Then add 10 g of polyurethane, ultrasonically disperse at a frequency of 20 Hz for 2 hours, and then mechanically stir for 24 hours to remove N,N-dimethylformamide to obtain a graphene / polyurethane composite material.

[0047] With the bisphenol A type epoxy resin (weight average molecular weight is 10000) of 50 weight parts, the fluorocarbon resin (weight average molecular weight is 5000) of 50 weight parts, the 20-50 purpose first active carbon of 0.5 weight part, 10 weight parts 100-200 mesh second activated c...

Embodiment 2

[0050] The graphene / polyurethane composite material of this embodiment is consistent with embodiment 1.

[0051] With the bisphenol A type epoxy resin (weight average molecular weight is 10000) of 60 weight parts, the fluorocarbon resin (weight average molecular weight is 5000) of 40 weight parts, the first active carbon of the 20-50 purpose of 0.3 weight part, 12 weight parts 100-200 mesh second activated carbon, 6 parts by weight of solvent ethylene glycol, 2 parts by weight of dispersant (Disperbyk191), and 1 part by weight of defoamer (BYK053) were mixed and stirred for 30min, and then ground in a sander , and then the resulting mixture was mixed with 11 parts by weight of the graphene / polyurethane composite material and stirred for 1 h to obtain the anti-corrosion coating prepared in this embodiment.

[0052] The wear resistance and anticorrosion performance of the anticorrosion coating were tested, and the test results are shown in Table 1.

Embodiment 3

[0054] The graphene / polyurethane composite material of this embodiment is consistent with embodiment 1.

[0055] With the bisphenol A type epoxy resin (weight-average molecular weight is 10000) of 50 weight parts, the fluorocarbon resin (weight-average molecular weight is 5000) of 50 weight parts, the first active carbon of the 20-50 purpose of 0.5 weight part, 25 weight parts 100-200 mesh second activated carbon, 2 parts by weight of solvent n-butanol, 0.1 parts by weight of dispersant (Disperbyk191), and 0.1 parts by weight of defoamer (BYK 053) were mixed and stirred for 30min, and then carried out in a sander After grinding, the resulting mixture was mixed with 18 parts by weight of graphene / polyurethane composite material and stirred for 1 hour to obtain the anticorrosion coating prepared in this example.

[0056] The wear resistance and anticorrosion performance of the anticorrosion coating were tested, and the test results are shown in Table 1.

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Abstract

The invention discloses an anticorrosive paint composition, a method for preparing anticorrosive paint and the anticorrosive paint. The composition is prepared from resin, a graphene / polyurethane composite material, filler, a solvent and an auxiliary agent, wherein relative to 100 parts by weight of the resin, the content of the graphene / polyurethane composite material is 1 to 25 parts by weight,the content of the filler is 5 to 30 parts by weight, the content of the solvent is 1 to 20 parts by weight, and the content of the auxiliary agent is 0.1 to 10 parts by weight. The anticorrosive paint disclosed by the invention has relatively high chemical stability and anticorrosive and wear-resisting performance, and can realize deactivation and corrosion inhibition of a metal base material; the anticorrosive paint has no pollution to the environment; meanwhile, the preparation method is simple, and large-scale industrial production is facilitated.

Description

technical field [0001] The invention relates to the field of coatings, in particular to an anti-corrosion coating composition, a method for preparing the anti-corrosion coating and the anti-corrosion coating. Background technique [0002] The marine environment is a very harsh and corrosive environment. Ships have been in such a marine environment for a long time, and the corrosion is extremely serious, and coatings have always been the most important anti-corrosion means. In order to solve the two major problems of marine anti-corrosion and anti-fouling, the design of marine coatings is based on the use environment and requirements of various facilities, and various series of products are derived, such as marine coatings and heavy-duty anti-corrosion coatings for marine engineering facilities. Among them, fluorocarbon resin is a new type of material that has attracted wide attention in recent years. It has excellent weather resistance, stain resistance, chemical resistance,...

Claims

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Application Information

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IPC IPC(8): C09D163/00C09D127/12C09D7/62C09D5/08
CPCC08L2205/03C09D5/08C09D127/12C09D163/00C08L27/12C08L75/04C08K13/06C08K9/06C08K3/04C08L63/00
Inventor 曹熙辰郭馥宁郭骏逸
Owner 曹熙辰
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