Metal surface aromatic hydrocarbon-free corrosion prevention process

Abstract

The invention discloses a metal surface aromatic hydrocarbon-free corrosion prevention process. The process comprises the following steps of: mixing siloxane, a solvent, silica particles, a rare earth compound, deionized water, a catalyst, a carbon fiber, polyimide and other components, performing curing treatment, filtering the cured mixture, then spraying or brush coating or impregnating the mixture on the surface of a base material, and finally forming a coating on the surface of the base material after deposition, thus realizing the surface corrosion prevention treatment.

Description

technical field

[0001] The invention relates to an anti-corrosion paint coating method, in particular to a coating method for an environmentally friendly paint which is suitable for the surface of a metal structure, has excellent gloss and mechanical and physical properties, and does not contain aromatic hydrocarbon solvents. Background technique

[0002] In modern industry and daily life, metal corrosion can be seen everywhere, especially in the form of crevice corrosion, stress corrosion and corrosion fatigue in the storage containers of fuel oil and hazardous chemicals, which cause great safety hazards to people's lives.

[0003] The metal protection methods currently used can be roughly divided into three categories: one is anodic oxidation treatment, that is, an anodic oxidation film with a thickness of tens of microns is formed on the metal surface, but due to the large energy consumption of the anodic oxidation process and the contamination of the electrolyte solution ...

Examples

Embodiment 1

[0026] (1) Prepare the following components (parts by mass):

[0027] a Aminopropyltriethoxysilane 11;

[0028] b ethanol 61;

[0029] c SiO 2 Particle 6;

[0030] d cerium oxide 6;

[0031] e deionized water 26;

[0032] f acetic acid 1;

[0033] g carbon fiber 8;

[0034] hpolyimide4;

[0035] (2) After mixing the above components, carry out aging treatment, and then spray, brush or dip on the surface of the substrate, and form a coating on the surface of the substrate after deposition to achieve surface anti-corrosion treatment.

Embodiment 2

[0037] (1) Prepare the following components (parts by mass):

[0038] a Aminopropyltriethoxysilane 20;

[0039] b ethanol 80;

[0040] c SiO 2 grain 10;

[0041] d cerium oxide 10;

[0042] e deionized water 50;

[0043] f acetic acid 2;

[0044] g carbon fiber 10;

[0045] h polyimide 5;

[0046] (2) After mixing the above components, carry out aging treatment, and then spray, brush or dip on the surface of the substrate, and form a coating on the surface of the substrate after deposition to achieve surface anti-corrosion treatment.

Embodiment 3

[0048] (1) Prepare the following components (parts by mass):

[0049] a Aminopropyltriethoxysilane 15;

[0050] b ethanol 70;

[0051] c SiO 2 particle 8;

[0052] d cerium oxide 8;

[0053] e deionized water 38;

[0054] f acetic acid 3;

[0055] g carbon fiber 9;

[0056] h polyimide 6;

[0057] (2) After mixing the above components, carry out aging treatment, and then spray, brush or dip on the surface of the substrate, and form a coating on the surface of the substrate after deposition to achieve surface anti-corrosion treatment.

technical field

[0001] The invention relates to an anti-corrosion paint coating method, in particular to a coating method for an environmentally friendly paint which is suitable for the surface of a metal structure, has excellent gloss and mechanical and physical properties, and does not contain aromatic hydrocarbon solvents. Background technique

[0002] In modern industry and daily life, metal corrosion can be seen everywhere, especially in the form of crevice corrosion, stress corrosion and corrosion fatigue in the storage containers of fuel oil and hazardous chemicals, which cause great safety hazards to people's lives.

[0003] The metal protection methods currently used can be roughly divided into three categories: one is anodic oxidation treatment, that is, an anodic oxidation film with a thickness of tens of microns is formed on the metal surface, but due to the large energy consumption of the anodic oxidation process and the contamination of the electrolyte solution ...

Examples

Embodiment 1

[0026] (1) Prepare the following components (parts by mass):

[0027] a Aminopropyltriethoxysilane 11;

[0028] b ethanol 61;

[0029] c SiO 2 Particle 6;

[0030] d cerium oxide 6;

[0031] e deionized water 26;

[0032] f acetic acid 1;

[0033] g carbon fiber 8;

[0034] hpolyimide4;

[0035] (2) After mixing the above components, carry out aging treatment, and then spray, brush or dip on the surface of the substrate, and form a coating on the surface of the substrate after deposition to achieve surface anti-corrosion treatment.

Embodiment 2

[0037] (1) Prepare the following components (parts by mass):

[0038] a Aminopropyltriethoxysilane 20;

[0039] b ethanol 80;

[0040] c SiO 2 grain 10;

[0041] d cerium oxide 10;

[0042] e deionized water 50;

[0043] f acetic acid 2;

[0044] g carbon fiber 10;

[0045] h polyimide 5;

[0046] (2) After mixing the above components, carry out aging treatment, and then spray, brush or dip on the surface of the substrate, and form a coating on the surface of the substrate after deposition to achieve surface anti-corrosion treatment.

Embodiment 3

[0048] (1) Prepare the following components (parts by mass):

[0049] a Aminopropyltriethoxysilane 15;

[0050] b ethanol 70;

[0051] c SiO 2 particle 8;

[0052] d cerium oxide 8;

[0053] e deionized water 38;

[0054] f acetic acid 3;

[0055] g carbon fiber 9;

[0056] h polyimide 6;

[0057] (2) After mixing the above components, carry out aging treatment, and then spray, brush or dip on the surface of the substrate, and form a coating on the surface of the substrate after deposition to achieve surface anti-corrosion treatment.