Graphene water-based paint and preparation method thereof

Abstract

The invention belongs to the technical field of paint preparation, and particularly discloses graphene water-based paint and a preparation method thereof. The graphene water-based paint is prepared from the components in parts by weight: 60-80 parts of acrylic resin, 1-5 parts of acetic acid, 10-20 parts of metal powder, 10-20 parts of graphene powder, 4-10 parts of layered silicate clay powder, 5-15 parts of zein, 90-110 parts of ethanol water, 2-5 parts of glycerin and 60-80 parts of distilled water. According to the graphene water-based paint, not only is graphene added to guarantee the barrier property of the paint, but also the zein is added to further enhance the barrier property of the paint, and the property of the graphene as a positive pole of an electrode is weakened so that protection of a metal base layer can be enhanced; on the other hand, the metal powder such as zinc powder is added into the graphene water-based paint, can be used as a negative pole of the electrode, and can effectively protect the metal base layer below paint film from being corroded even when a coating is damaged.

Description

Technical field [0001] The invention relates to the technical field of paint preparation, in particular to a graphene water-based paint and a preparation method thereof. Background technique [0002] With the advancement of science and technology and the rapid development of the national economy, people's awareness of environmental protection is increasing, the requirements for health are getting higher and higher, and environmental protection laws and regulations are also improving day by day. Saving resources and energy, and protecting the environment have become the main problems facing the global coatings industry. The development of water-based paint has been valued worldwide: in developed countries in Europe and America, the penetration rate of water-based paint has reached over 80%. The coating industry can be roughly divided into three application areas, and water-based coatings have an absolute advantage in industrialized countries, such as 93% in Germany, and 60% even i...

AI Technical Summary

Problems solved by technology

These characteristics make graphene very promising to be used in metal anti-corrosion coating products; but on the other hand, while graphene has excellent barrier properties, emphasizing its positive electrode in the corrosion process from the perspective of electrochemical potential will accelerate the corrosion of metals. corrosion

Therefore, as long as there are slight cracks or scratches in the coating, the local electrochemical corrosion will be accelerated, the corrosion rate in the exposed area will be greatly accelerated, and the strength and toughness of the metal will be reduced.