Zinc powder paint coating for reinforcing steel bar

Abstract

The utility model discloses a zinc powder paint coating for a steel bar, which comprises the steel bar, an epoxy zinc-rich paint layer is arranged on the outer side of the steel bar, and an epoxy micaceous iron paint layer is arranged on the outer side of the epoxy zinc-rich paint layer. The acrylic polyurethane paint layer has excellent weather resistance, outdoor ultraviolet resistance, no powdering, no cracking and high corrosion resistance, the polysiloxane paint layer has salt water resistance and chemical corrosion resistance, the chlorinated rubber paint layer has high corrosion resistance, the paint film of the chlorinated rubber paint layer is compact, and the paint film of the chlorinated rubber paint layer is not prone to cracking. In conclusion, under the combined action of the epoxy zinc-rich paint layer, the epoxy micaceous iron paint layer, the acrylic polyurethane paint layer, the polysiloxane paint layer and the chlorinated rubber paint layer, the reinforcing steel bar is well protected, the service life of the reinforcing steel bar is prolonged, and the service life of the reinforcing steel bar is prolonged. The steel bar can be used in a severe environment, and the service life of the steel bar is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of steel bar coatings, in particular to a zinc powder coating for steel bars. Background Art

[0002] Rebar refers to steel used for reinforced concrete and prestressed reinforced concrete. In order to extend the service life of the rebar, a coating is applied on the outside of the rebar to prevent corrosion of the rebar and extend the life of the rebar.

[0003] However, the existing coating on the steel bar has a single function and cannot provide good protection for the steel bar, resulting in a short service life when used in harsh environments. In view of the above problems, it is urgent to carry out innovative design based on the original zinc powder coating for steel bars. Utility Model Content

[0004] The utility model aims to provide a zinc powder coating for steel bars to solve the problems raised by the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solution: a zinc powder paint coating for steel bars, comprising steel bars, wherein an epoxy zinc-rich paint layer is arranged on the outside of the steel bars, an epoxy micaceous iron paint layer is arranged on the outside of the epoxy zinc-rich paint layer, and an acrylic polyurethane paint layer is arranged on the outside of the epoxy micaceous iron paint layer.

[0006] Preferably, a polysiloxane paint layer is provided on the outer side of the acrylic polyurethane paint layer.

[0007] Preferably, a chlorinated rubber paint layer is provided on the outer side of the polysiloxane paint layer.

[0008] Preferably, the thickness of the epoxy zinc-rich paint layer, the epoxy micaceous iron paint layer, the acrylic polyurethane paint layer, the polysiloxane paint layer and the chlorinated rubber paint layer are all 0.1-0.5 mm.

[0009] Compared with the prior art, the utility model has the following beneficial effects: the steel bar is coated with zinc powder paint, and an epoxy zinc-rich paint layer is provided with anti-corrosion property, an epoxy micaceous iron paint layer is provided with anti-rust and anti-corrosion functions, an acrylic polyurethane paint layer is provided with excellent weather resistance, outdoor UV resistance, no powdering, and no cracking of the paint film, and at the same time has high corrosion resistance, a polysiloxane paint layer is provided with resistance to salt water and chemical corrosion, a chlorinated rubber paint layer is provided with strong corrosion resistance, the paint film of the chlorinated rubber paint layer is relatively dense, and it is difficult for water vapor and oxygen to penetrate the chlorinated rubber paint layer, thereby extending the service life of the chlorinated rubber paint layer. In summary, under the joint action of the epoxy zinc-rich paint layer, the epoxy micaceous iron paint layer, the acrylic polyurethane paint layer, the polysiloxane paint layer and the chlorinated rubber paint layer, the steel bar is well protected, the steel bar can be used in harsh environments, and the service life of the steel bar is extended. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0011] Figure 2 For this utility model Figure 1 The enlarged structural diagram at A in the middle;

[0012] Figure 3 For this utility model Figure 1 Schematic diagram of the three-dimensional structure of the acrylic polyurethane paint layer.

[0013] In the figure: 1. Steel bars; 2. Epoxy zinc-rich paint layer; 3. Epoxy micaceous iron paint layer; 4. Acrylic polyurethane paint layer; 5. Polysiloxane paint layer; 6. Chlorinated rubber paint layer. DETAILED DESCRIPTION

[0014] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0015] See also Figure 1-3 The utility model provides a technical solution: a zinc powder coating for steel bars, comprising a steel bar 1, an epoxy zinc-rich paint layer 2 is arranged on the outer side of the steel bar 1, the epoxy zinc-rich paint layer 2 has strong adhesion, so that the epoxy zinc-rich paint layer 2 is not easy to fall off the steel bar 1, and the epoxy zinc-rich paint layer 2 has corrosion resistance, which protects the steel bar 1, an epoxy micaceous iron paint layer 3 is arranged on the outer side of the epoxy zinc-rich paint layer 2, the epoxy micaceous iron paint layer 3 has strong adhesion, rust prevention and corrosion resistance, which protects the steel bar 1, an acrylic polyurethane paint layer 4 is arranged on the outer side of the epoxy micaceous iron paint layer 3, the acrylic polyurethane paint layer 4 has excellent weather resistance, outdoor UV resistance, no powdering, no cracking of the paint film, and at the same time has high corrosion resistance and good adhesion, which protects the steel bar 1.

[0016] A polysiloxane paint layer 5 is disposed on the outer side of the acrylic polyurethane paint layer 4 . The polysiloxane paint layer 5 has strong adhesion and is resistant to salt water and chemical corrosion, thus protecting the steel bars 1 .

[0017] A chlorinated rubber paint layer 6 is arranged on the outside of the polysiloxane paint layer 5. The chlorinated rubber paint layer 6 has strong adhesion and strong corrosion resistance. The paint film of the chlorinated rubber paint layer 6 is relatively dense. It is difficult for water vapor and oxygen to penetrate the chlorinated rubber paint layer 6, thereby extending the service life of the chlorinated rubber paint layer 6, so that the chlorinated rubber paint layer 6 plays a protective role on the steel bar 1.

[0018] The thickness of the epoxy zinc-rich paint layer 2, the epoxy micaceous iron paint layer 3, the acrylic polyurethane paint layer 4, the polysiloxane paint layer 5 and the chlorinated rubber paint layer 6 are all 0.1-0.5 mm, so that the thickness of the epoxy zinc-rich paint layer 2, the epoxy micaceous iron paint layer 3, the acrylic polyurethane paint layer 4, the polysiloxane paint layer 5 and the chlorinated rubber paint layer 6 is moderate and will not affect the viscosity of the coating due to excessive thickness.

[0019] Working principle: when using the zinc powder paint coating for steel bars, firstly, the epoxy zinc-rich paint layer 2 has anti-corrosion properties, the epoxy micaceous iron paint layer 3 has anti-rust and anti-corrosion functions, the acrylic polyurethane paint layer 4 has excellent weather resistance, outdoor UV resistance, no powdering, and no cracking of the paint film, and at the same time has high corrosion resistance, the polysiloxane paint layer 5 is resistant to salt water and chemical corrosion, the chlorinated rubber paint layer 6 has strong corrosion resistance, the paint film of the chlorinated rubber paint layer 6 is relatively dense, and it is difficult for water vapor and oxygen to penetrate the chlorinated rubber paint layer 6, thereby extending the service life of the chlorinated rubber paint layer 6. In summary, under the joint action of the epoxy zinc-rich paint layer 2, the epoxy micaceous iron paint layer 3, the acrylic polyurethane paint layer 4, the polysiloxane paint layer 5 and the chlorinated rubber paint layer 6, the steel bars are well protected and the service life of the steel bars is extended.

[0020] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A zinc powder coating for steel bars, comprising a steel bar (1), characterized in that: An epoxy zinc-rich paint layer (2) is provided on the outer side of the steel bar (1), an epoxy micaceous iron paint layer (3) is provided on the outer side of the epoxy zinc-rich paint layer (2), and an acrylic polyurethane paint layer (4) is provided on the outer side of the epoxy micaceous iron paint layer (3).

2. The zinc powder coating for steel bars according to claim 1, characterized in that: A polysiloxane paint layer (5) is provided on the outer side of the acrylic polyurethane paint layer (4).

3. The zinc powder coating for steel bars according to claim 2, characterized in that: A chlorinated rubber paint layer (6) is provided on the outer side of the polysiloxane paint layer (5).

4. The zinc powder coating for steel bars according to claim 1, characterized in that: The thickness of the epoxy zinc-rich paint layer (2), the epoxy micaceous iron paint layer (3), the acrylic polyurethane paint layer (4), the polysiloxane paint layer (5) and the chlorinated rubber paint layer (6) are all 0.1-0.5 mm.

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