Corrosion-resistant vibration-damping color-coated sheet

Abstract

The utility model relates to the technical field of color-coated sheets, in particular to a corrosion-resistant vibration-damping color-coated sheet, which comprises a metal substrate, a corrosion-resistant vibration-damping layer and a protective layer, the corrosion-resistant vibration-damping layer is coated on one side of the metal substrate close to the external environment, and the protective layer is attached to the outer side of the corrosion-resistant vibration-damping layer. The corrosion-resistant vibration reduction layer comprises a primer layer and a metal particle vibration reduction layer, and the metal particle vibration reduction layer is evenly laid between the primer layer and the protection layer. The problem that an existing corrosion-resistant color-coated sheet is poor in vibration reduction capacity is effectively solved. The vibration damping performance of the color-coated sheet is improved by adopting the metal particle vibration damping layer arranged on the outer side of the primer layer made of polyester resin, and compared with an existing common color-coated sheet, the color-coated sheet has the advantages that the purpose of no cracking and no falling can be achieved in a vibration detection environment by arranging vibration damping damping formed by the metal particle vibration damping layer, and the color-coated sheet has better vibration resistance.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of color coated sheet, specifically relates to a kind of corrosion-resistant vibration-damping color coated sheet. BACKGROUND

[0002] In building and household appliance and other equipment, color coated sheet is more commonly used decorative sheet material, color coated sheet can realize the texture of simulating metal, wood and stone and other materials through coating layer arranged on metal sheet, and also has certain corrosion resistance and certain flexibility, under this property, color coated sheet can be better applied in building and household appliance and other equipment.

[0003] The existing color coated sheet in the process of production, polyester resin coating is used as substrate, and then a series of processing technology is used to process the polyester resin coating, to realize the simulation of metal, wood and stone and other materials through texture processing, polyester resin coating has certain corrosion resistance in the existing field, when the color coated sheet using polyester resin coating is installed into equipment, due to the vibration generated in the running process of equipment, resonance is formed through more vibration, so that the polyester resin coating gradually separates from the metal sheet. SUMMARY

[0004] In view of the above situation, in order to overcome the defects of the prior art, the purpose of the utility model is to provide a kind of corrosion-resistant vibration-damping color coated sheet, effectively solve the problem of poor vibration damping capacity of existing corrosion-resistant color coated sheet.

[0005] The technical solution solved by the utility model is a kind of corrosion-resistant vibration-damping color coated sheet, including metal substrate, corrosion-resistant vibration-damping layer and protective layer, the corrosion-resistant vibration-damping layer is applied to the side of metal substrate close to external environment, the protective layer is attached to the outside of corrosion-resistant vibration-damping layer, the corrosion-resistant vibration-damping layer includes primer layer and metal particle damping layer, the metal particle damping layer is evenly laid between primer layer and protective layer.

[0006] Preferably, it further includes a first chemical treatment layer, the first chemical treatment layer is arranged between metal substrate and primer layer, for surface treatment of metal substrate and auxiliary primer layer and metal substrate.

[0007] Preferably, it further includes a second chemical treatment layer and a back paint layer, the back paint layer is arranged on the side of metal substrate close to equipment, the second chemical treatment layer is arranged between back paint layer and metal substrate for surface treatment of metal substrate and auxiliary back paint layer and metal substrate.

[0008] Preferably, the metal substrate is high-zinc-layer-content steel coil.

[0009] Preferably, the dry film thickness of primer layer is 6-10 μm, and the dry film thickness of back paint layer is 4-6 μm.

[0010] Preferably, the metal particle damping layer dry film thickness is 10-20 μm.

[0011] Preferably, the protective layer is a PE protective film.

[0012] The utility model discloses the beneficial effect that:

[0013] The utility model discloses a metal particle damping layer set on the outside of the primer layer of polyester resin to increase the damping performance of the color coated plate, and the damping damping formed by the metal particle damping layer can realize the purpose of no cracking and no falling off under the vibration detection environment, and has better anti-vibration performance. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 It is the three-dimensional structure schematic diagram of the utility model;

[0015] Fig. 2 It is the cut main view structure schematic diagram of the utility model;

[0016] Fig. 3 It is the explosion structure schematic diagram of the utility model;

[0017] In the drawing, 1-metal base plate; 2-protective layer; 3-primer layer; 4-metal particle damping layer; 5-first chemical treatment layer; 6-second chemical treatment layer; 7-back paint layer. DETAILED DESCRIPTION

[0018] The specific implementation of the utility model is further explained in detail in combination with the drawings.

[0019] Referring to the description accompanying Figs. 1-3 A kind of corrosion-resistant damping color coated plate, including metal base plate 1, metal base plate 1 adopts the steel coil of high zinc layer content, when the steel coil needs to be processed, first need to be opened to the steel coil, after opening, the steel coil in equipment is sewn up, then the oil layer on the surface of the steel coil is treated by alkali liquor, after treatment, the surface of the steel coil is cleaned by deionized water and is dried by hot air.

[0020] Metal base plate 1 is provided with first chemical treatment layer 5 close to the side of external environment, and first chemical treatment layer 5 is used for the surface treatment of metal base plate 1 and assists primer layer 3 and metal base plate 1 to be attached, and first chemical treatment layer 5 is treated to the surface of metal base plate 1 by chromium-free passivation solution, and the chromium-free passivation solution is composed of 2-5% citric acid, 5-10% fluorotitanate, 1-5% compound chelate, 1-5% wetting agent and 65-85% water, and after the treatment of chromium-free passivation solution, it is dried at 80-100 DEG C.

[0021] The first chemical treatment layer 5 is provided with a primer layer 3 outside, the primer layer 3 is a polyester resin primer layer 3, the polyester resin primer layer 3 is roll-coated by three-roll upper tape coating, the roll-coating temperature is 210-225 DEG C for curing, the roll-coating dry film thickness is 6-10 mu m, and the roll-coating is cooled by spraying water after curing.

[0022] The metal substrate 1 is provided with a second chemical treatment layer 6 near the side of the device, the second chemical treatment layer 6 is used for surface treatment of the metal substrate 1 and assists the back paint layer 7 to adhere to the metal substrate 1, the second chemical treatment layer 6 is treated by a chromium-free passivation liquid on the surface of the metal substrate 1, the chromium-free passivation liquid is composed of 2-5% citric acid, 5-10% fluorotitanate, 1-5% composite chelate, 1-5% wetting agent and 65-85% water, and the chromium-free passivation liquid is dried at 80-100 DEG C after treatment.

[0023] The second chemical treatment layer 6 is provided with a back paint layer 7 outside, the back paint layer 7 is a polyester resin back paint layer 7, the polyester resin back paint layer 7 is roll-coated by two-roll lower tape coating and is roll-coated synchronously with the polyester resin primer layer 3, the roll-coating temperature is 210-225 DEG C for curing, the roll-coating dry film thickness is 4-6 mu m, and the roll-coating is cooled by spraying water synchronously with the polyester resin primer layer 3 after curing.

[0024] The metal particle damping layer 4 is laid by aluminum powder, the metal particle damping layer 4 is roll-coated on the polyester resin primer layer 3 by three-roll upper tape roll-coating, and is cured at 220-250 DEG C after roll-coating, the cured dry film thickness is 10-20 mu m, and the roll-coating is cooled by spraying water after curing.

[0025] The protective layer 2 is pasted outside after the metal particle damping layer 4 is cooled, the protective layer 2 is covered by a PE protective film, and the metal particle damping layer 4 is protected by the PE protective film.

[0026] After preparation, the corrosion-resistant damping color-coated plate is detected according to the detection method of Q / SBB2-2017 “pre-coated plate”, the corrosion-resistant detection is edge cutting, continuous salt spray test for 500 h, and the maximum corrosion distance of single side is less than or equal to 2 mm.

[0027] The general color-coated plate is corroded by about 10 mm, and the corrosion-resistant damping color-coated plate is corroded within 0.5 mm.

[0028] The anti-vibration detection is 80 kg·cm impact resistance, the general color-coated plate has no cracking and obvious peeling, and the corrosion-resistant damping color-coated plate has no cracking and peeling.

[0029] The utility model discloses a metal particle damping layer 4 is arranged on the outside of the primer layer 3 of polyester resin, and the utility model discloses a metal particle damping layer 4 is arranged on the outside of the primer layer 3 of polyester resin, and the utility model discloses a metal particle damping layer 4 is arranged on the outside of the primer layer 3 of polyester resin, and the utility model discloses a metal particle damping layer 4 is arranged on the outside of the primer layer 3 of polyester resin, and the utility model discloses a metal particle damping layer 4 is arranged on the outside of the primer layer 3 of polyester resin, and the utility model discloses a metal particle damping layer 4 is arranged on the outside of the primer layer 3 of polyester resin, and the utility model discloses a metal particle damping layer 4 is arranged on the outside of

Claims

1. A corrosion-resistant and vibration-damping color-coated steel sheet, comprising a metal substrate (1), a corrosion-resistant and vibration-damping layer, and a protective layer (2), wherein the corrosion-resistant and vibration-damping layer is applied to the side of the metal substrate (1) closest to the external environment, and the protective layer (2) is applied to the outside of the corrosion-resistant and vibration-damping layer, characterized in that, The corrosion-resistant vibration damping layer includes a primer layer (3) and a metal particle vibration damping layer (4), wherein the metal particle vibration damping layer (4) is evenly spread between the primer layer (3) and the protective layer (2).

2. The corrosion-resistant and vibration-damping color-coated steel sheet according to claim 1, characterized in that: It also includes a first chemical treatment layer (5), which is disposed between the metal substrate (1) and the primer layer (3) for surface treatment of the metal substrate (1) and to assist the primer layer (3) in bonding with the metal substrate (1).

3. The corrosion-resistant and vibration-damping color-coated steel sheet according to claim 2, characterized in that: It also includes a second chemical treatment layer (6) and a back paint layer (7). The back paint layer (7) is disposed on the side of the metal substrate (1) close to the device. The second chemical treatment layer (6) is disposed between the back paint layer (7) and the metal substrate (1) for surface treatment of the metal substrate (1) and to assist the back paint layer (7) in bonding with the metal substrate (1).

4. The corrosion-resistant and vibration-damping color-coated steel sheet according to claim 1, characterized in that: The metal substrate (1) is a coiled steel with a high zinc content.

5. The corrosion-resistant and vibration-damping color-coated steel sheet according to claim 3, characterized in that: The dry film thickness of the primer layer (3) is 6-10 μm, and the dry film thickness of the back coat layer (7) is 4-6 μm.

6. The corrosion-resistant and vibration-damping color-coated steel sheet according to claim 5, characterized in that: The dry film thickness of the metal particle damping layer (4) is 10-20 μm.

7. The corrosion-resistant and vibration-damping color-coated steel sheet according to claim 6, characterized in that: The protective layer (2) is a PE protective film.

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