High-corrosion-resistance outdoor aluminum profile surface polyester coating

Abstract

The utility model relates to a high-corrosion-resistance outdoor aluminum profile surface polyester coating which comprises an outdoor aluminum profile, a polyester bottom coating is arranged on the upper side of the outdoor aluminum profile, a polyester surface coating is arranged at the upper end of the polyester bottom coating, a fireproof middle layer is arranged at the upper end of the polyester surface coating, and a protective outer side layer is arranged at the upper end of the fireproof middle layer. The protective outer side layer comprises a wear-resistant layer, an anticorrosive layer is arranged at the lower end of the wear-resistant layer, a heat insulation layer is arranged at the lower end of the anticorrosive layer, the anticorrosive layer comprises a waterproof layer and an antirust layer, the printed coating is arranged to ensure that the surface of the whole aluminum profile has attractive lines, then the transparent coating is arranged at the upper end of the printed coating, and the overall attractiveness is ensured. By arranging the anti-corrosion layer and the wear-resistant layer, when the anti-corrosion layer is exposed after the wear-resistant layer is worn for a long time, the anti-corrosion and anti-rust effects can be further achieved through the waterproof layer.

Description

TECHNICAL FIELD

[0001] The utility model relates to aluminium surface polyester coating technical field especially relates to a high anticorrosive outdoor aluminium alloy surface polyester coating. BACKGROUND

[0002] Aluminium surface polyester coating is a kind of protective coating commonly used on the surface of aluminium and its alloy material, which uniformly covers polyester paint on the surface of aluminium material by spraying or other coating methods to form a protective film. The main function of this coating is to improve the corrosion resistance, wear resistance and decorative property of aluminium material, prolong its service life, and endow it with different color and luster effect. Polyester coating is widely used on the surface of aluminium material, especially in the field of building and decoration. For example, aluminium plastic plate and aluminium veneer often use polyester paint as surface coating to improve its durability and aesthetic property.

[0003] Patent No. CN201620624215.5 discloses a B1-level environmentally friendly polyester coating stainless steel composite plate, which is composed of two stainless steel substrates made of stainless steel plate through high-strength polymer film on the upper and lower surfaces of the inorganic fireproof intermediate layer. The upper surface of the upper stainless steel substrate is coated with an environmentally friendly polyester printing coating. The decorative plate has excellent fireproof, corrosion-resistant, mechanical, durable and decorative properties, and can be widely used in building curtain wall decoration field. However, the composite plate has the following problems: first, the corrosion and wear resistance is poor, and second, the aesthetic effect of the corrosion and wear resistance is poor. UTILITY MODEL CONTENT

[0004] The utility model discloses a kind of high anticorrosive outdoor aluminium alloy surface polyester coating, including outdoor aluminium alloy, polyester primer is equipped on the upper side of the outdoor aluminium alloy, polyester topcoat is equipped in polyester primer upper end, fireproof intermediate layer is equipped in polyester topcoat upper end, protective outer layer is equipped in fireproof intermediate layer upper end;

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A kind of high anticorrosive outdoor aluminium alloy surface polyester coating, including outdoor aluminium alloy, polyester primer is equipped on the upper side of the outdoor aluminium alloy, polyester topcoat is equipped in polyester primer upper end, fireproof intermediate layer is equipped in polyester topcoat upper end, protective outer layer is equipped in fireproof intermediate layer upper end;

[0007] Protective outer layer, the protective outer layer includes wear layer, anticorrosive layer is equipped in wear layer lower end, heat insulation layer is equipped in anticorrosive layer lower end, and the anticorrosive layer includes waterproof layer and rust-proof layer.

[0008] As a kind of preferred, the polyester topcoat includes printing coating, the upper end of the printing coating is provided with polyester transparent protective layer, and the upper surface of the polyester transparent protective layer is provided with high molecular protective film.

[0009] As a kind of preferred, the fireproof intermediate layer is inorganic fireproof layer with refractory material as core material.

[0010] As a kind of preferred, the waterproof layer is transparent waterproof material layer, which is composed of special monomer curing material with characteristic polymer emulsion as base material.

[0011] As a kind of preferred, the anti-rust layer is VCI anti-rust particle layer.

[0012] As another kind of preferred, the wear-resistant layer is nano transparent anticorrosive coating layer, which is nano transparent anticorrosive coating layer processed by super-micro inorganic metal oxide and densifying agent.

[0013] The utility model discloses the beneficial effect:

[0014] (1) the utility model discloses through setting printing coating, printing coating is a kind of special fabric processing technology, it forms a layer of uniform covering adhesive on fabric surface, to reach waterproof, windproof and other functions.This technology usually uses solvent or water to dissolve the required coating adhesive particles (such as PU glue, A / C glue, PVC, PE glue) into salivation, then evenly coats on cloth (substrate can be cotton, polyester, nylon etc.) by round net, doctor blade or roller etc., after the solidification of temperature in oven, form a layer of uniform covering adhesive on fabric surface, so that the transparent coating on the different color of fabric can ensure that color is shown, ensure the appearance of the whole aluminum profile surface, more wide range of adaptation.

[0015] (2) the utility model discloses through setting waterproof layer, transparent waterproof material layer is usually made of special high molecular copolymer as base material, add a variety of modified additives and make, has good film-forming property, can form a layer of transparent waterproof film on surface, strong flexibility, can adapt to the slight deformation of base layer, the anti-rust layer is when VCI anti-rust masterbatch or anti-rust particle is placed in the vicinity of metal product, they will spontaneously release VCI molecule, these molecules form a protective gas phase barrier on metal surface by evaporation and diffusion, the barrier can prevent oxygen and moisture from entering the metal surface, so as to inhibit the occurrence of corrosion reaction, and VCI anti-rust particle layer is a kind of environmental protection material, does not contain harmful substances, harmless to human body and environment, it will not cause corrosion or discoloration and other adverse effects on aluminum alloy metal material, so it will not affect the overall aesthetic effect.

[0016] (3) In this utility model, a wear-resistant layer is set, which is made of ultra-micro inorganic metal oxide and densifier. It can withstand temperatures up to 1800℃, is completely transparent, does not affect the original color of the object, is suitable for protection in high-temperature environments, and can form a protective layer with extremely high hardness on the surface of the object, significantly improving wear resistance. The coating is not only wear-resistant, but also maintains high transparency, and has a good aesthetic effect while being highly wear-resistant.

[0017] In summary, this coating has the advantages of excellent wear resistance, good corrosion resistance, strong waterproof and rust prevention capabilities, and good aesthetics, and is especially suitable for the field of polyester coating technology on aluminum surfaces. Attached Figure Description

[0018] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0020] Figure 2 This is a schematic diagram of the coating structure on the upper surface of the outdoor aluminum profile in this utility model.

[0021] Figure 3 This is a schematic diagram of the structure of the outer protective layer in this utility model.

[0022] Figure 4 This is a schematic diagram of the polyester surface coating in this utility model. Detailed Implementation

[0023] The technical solutions in the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings.

[0024] Example 1

[0025] like Figures 1 to 4 As shown, this utility model provides a high corrosion resistant outdoor aluminum profile surface polyester coating, including an outdoor aluminum profile 1, an outdoor aluminum profile 1 with a polyester base coating 2 on the upper side, a polyester top coating 21 on the upper end of the polyester base coating 2, a fireproof intermediate layer 3 on the upper end of the polyester top coating 21, and a protective outer layer 4 on the upper end of the fireproof intermediate layer 3.

[0026] The outer protective layer 4 includes a wear-resistant layer 41, an anti-corrosion layer 42 at the lower end of the wear-resistant layer 41, a heat insulation layer 43 at the lower end of the anti-corrosion layer 42, and the anti-corrosion layer 42 includes a waterproof layer 421 and an anti-rust layer 422.

[0027] Further, the polyester top coating layer 21 comprises a printing coating layer 211, the upper end of the printing coating layer 211 is provided with a polyester transparent protective layer 222, the upper surface of the polyester transparent protective layer 222 is provided with a polymer protective film 223, the polyester transparent protective layer 222 usually adopts polyester film (PET) as the main material, has good optical performance, can provide clear visual effect, so that the surface pattern of the lower end printing coating layer 211 can be clearly and clearly displayed, because the upper end of the polyester top coating layer is provided with the fireproof intermediate layer 3, the polymer protective film 233 is used to isolate the fireproof intermediate layer 3 and the polyester top coating layer 21, so as to ensure that the internal pattern is not easily damaged and eroded, and the aesthetic degree is good.

[0028] Further, the fireproof intermediate layer 3 is an inorganic fireproof layer with refractory material as the core material, the inorganic fireproof layer is an inorganic glaze transparent fireproof coating layer, which is a fireproof coating prepared based on inorganic materials, has a transparent function, and mainly comprises inorganic mineral substances and special fireproof additives. It has fireproof function and can maintain transparency, can play a fireproof role without affecting the appearance of outdoor aluminum alloy profiles, and is suitable for fireproof protection of places with aesthetic requirements.

[0029] Further, the waterproof layer 421 is a transparent waterproof material layer composed of a special polymer emulsion as a base material and a special monomer curing material. It has strong flexibility and can adapt to the slight deformation of the base layer. When the wear-resistant layer 41 leaks the internal corrosion-resistant layer 42 after long-term use, it can ensure that outdoor water will not enter the coating inside through the gap of the wear-resistant layer 41, affecting the overall aesthetic effect and weather resistance.

[0030] Further, the rust-proof layer 422 is a VCI rust-proof particle layer, which will not cause corrosion or discoloration of aluminum alloy metal materials, so it can prevent corrosion and rust without affecting the color of the lower coating.

[0031] Further, the wear-resistant layer 41 is a nano transparent corrosion-resistant coating layer, which is a nano transparent corrosion-resistant coating layer processed by super-micro inorganic metal oxide and dense agent. It can form a protective layer with extremely high hardness on the surface of the object, significantly improve the wear resistance, and has good overall wear resistance.

[0032] Working process: first, the appearance color of outdoor aluminum profile 1 is determined, then the polyester primer 2 is sprayed, the polyester primer 2 comprises alkyd resin and thickening agent, which helps to improve the adhesion of the whole coating system to the substrate, then the appearance is determined by the printing coating 211 of the polyester top coating 21, the polyester transparent protective layer 222 and the polymer protective film 223 are arranged on the upper end of the printing coating 211, the toughness and hardness of the whole polyester top coating 21 are ensured, then the fireproof intermediate layer 3 is sprayed to ensure the overall fireproof effect, finally, the corrosion-resistant layer 42 and the wear-resistant layer 41 are sprayed to ensure the overall corrosion-resistant, weather-resistant, waterproof and rust-proof effect, and the service life of the outdoor aluminum profile 1 is longer due to the arrangement of the wear-resistant layer 41.

[0033] In the description of the present application, it should be understood that the orientation or position relationship indicated by the terms "front and back", "left and right" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the devices or components referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation of the application.

[0034] Of course, in the present technical solution, those skilled in the art should understand that the term "one" should be understood as "at least one" or "one or more", that is, in one embodiment, the number of one element can be one, and in another embodiment, the number of the element can be multiple, and the term "one" cannot be understood as a limitation on the number.

[0035] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any changes or replacements easily thought of by those skilled in the art under the technical hints of the present application should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A high corrosion resistant outdoor aluminum profile surface polyester coating characterized by: Comprising The outdoor aluminum profile (1) is provided with a polyester primer layer (2) on the upper side, the polyester primer layer (2) is provided with a polyester topcoat layer (21) on the upper end, the polyester topcoat layer (21) is provided with a fireproof intermediate layer (3) on the upper end, and the fireproof intermediate layer (3) is provided with a protective outer layer (4) on the upper end. The protective outer layer (4) comprises a wear-resistant layer (41), the wear-resistant layer (41) is provided with a corrosion-resistant layer (42) on the lower end, and the corrosion-resistant layer (42) is provided with a heat insulation layer (43) on the lower end.

2. A high corrosion resistant outdoor aluminium profile surface polyester coating as claimed in claim 1, wherein, The polyester topcoat layer (21) comprises a printed coating layer (211), the printed coating layer (211) is provided with a polyester transparent protective layer (222) on the upper end, and the upper surface of the polyester transparent protective layer (222) is provided with a high molecular protective film (223).

3. A high corrosion resistant outdoor aluminium profile surface polyester coating as claimed in claim 1, wherein, The fireproof intermediate layer (3) is an inorganic fireproof layer with refractory material as the core material.

4. A high corrosion resistant outdoor aluminium profile surface polyester coating as claimed in claim 1, wherein, The waterproof layer (421) is a transparent waterproof material layer composed of special monomer curing material and characteristic polymer emulsion as the base material.

5. A high corrosion resistant outdoor aluminium profile surface polyester coating as claimed in claim 1, wherein, The rust-proof layer (422) is a VCI rust-proof particle layer.

6. A high corrosion resistant outdoor aluminium profile surface polyester coating as claimed in claim 1, wherein, The wear-resistant layer (41) is a nano transparent anticorrosive coating layer which is processed from super-micro inorganic metal oxide and compacting agent.

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