A pet modified bio-based polycarbonate alloy plastic coating structure

Abstract

This invention discloses a PET-modified bio-based polycarbonate alloy plastic coating structure, relating to the field of plastic structure technology. It includes a plastic base layer, a deformable layer assembly, and a protective layer assembly. The deformable layer assembly includes a connecting structure and a buffer intercalation layer adhered to the surface of the plastic base layer. The top surface of the buffer intercalation layer has multiple deformable connecting protrusions, forming a deformation cavity between adjacent connecting protrusions. The connecting structure includes an alloy base layer and alloy protrusions protruding from the bottom surface of the alloy base layer. The bottom of the alloy protrusions is embedded within the connecting protrusions. A coating module is disposed between the alloy base layer and the buffer intercalation layer, with the alloy protrusions passing through the coating module, which is located directly above the deformation cavity. The protective layer assembly is adhered to the top surface of the alloy base layer. This invention has the advantages of corrosion resistance, wear resistance, and antistatic properties.

Description

Technical Field

[0001] This invention relates to the field of plastics technology, and more specifically to a PET-modified bio-based polycarbonate alloy plastic coating structure. Background Technology

[0002] The demand for modified engineering plastics is currently rising significantly, and various high-strength, heat-resistant engineering plastics will be widely used, especially bio-based polycarbonate alloy plastics. Some bio-based polycarbonate alloy plastics have surface coating modules, mainly consisting of inorganic and organic protective film structures, for protection. However, they will discolor and crack under ultraviolet radiation, and their capillary structure reduces their waterproof and corrosion resistance. Furthermore, their low dielectric constant makes them prone to leakage, posing a high risk. They are also susceptible to wear over time. In addition, their processing and production are complex and expensive, limiting their applications. Summary of the Invention

[0003] To address the shortcomings of existing technologies, this invention provides a PET-modified bio-based polycarbonate alloy plastic coating structure.

[0004] A PET-modified bio-based polycarbonate alloy plastic coating structure includes a plastic base layer, a deformable layer assembly, and a protective layer assembly. The deformable layer assembly includes a connecting structure and a buffer insert layer adhered to the surface of the plastic base layer. The top surface of the buffer insert layer has multiple deformable connecting protrusions, and a deformation cavity is formed between adjacent connecting protrusions. The connecting structure includes an alloy base layer and an alloy protrusion strip protruding from the bottom surface of the alloy base layer. The bottom of the alloy protrusion strip is embedded within the connecting protrusions. A coating module is disposed between the alloy base layer and the buffer insert layer, with the alloy protrusion strip passing through the coating module, which is located directly above the deformation cavity. The protective layer assembly is adhered to the top surface of the alloy base layer. In the entire alloy coating module, a protective layer is attached to the top surface of the alloy base layer of the deformable layer, increasing gloss, surface smoothness, and hardness, preventing discoloration and cracking under ultraviolet light, and improving corrosion resistance to a certain extent. The deformable layer serves as a transition between the protective layer and the plastic base layer. The deformable layer consists of a connecting structure and a buffer intercalation layer. The buffer intercalation layer positions the connecting structure. After the connecting protrusions of the connecting structure are embedded in the connecting protrusions, they can undergo slight lateral deformation. When the plastic is under high temperature or external pressure, this deformation can achieve a buffering effect, thereby ensuring the structural strength and compressive strength of the entire coating module and reducing wear. At the same time, the connecting protrusions can directly adsorb and conduct the static electricity generated by the coating module on the buffer intercalation layer to the top of the alloy base layer and then disperse it outside the protective layer, thereby preventing displacement, deformation, and detachment of the coating module and improving the tightness of the entire coating module. Compared with existing coating modules, it greatly reduces static electricity content and is safe and stable.

[0005] Preferably, the protective layer assembly includes a silicon-containing inorganic coating film and a titanium dioxide-containing inorganic coating film. The silicon-containing inorganic coating film is directly coated on the surface of the alloy substrate, and the titanium dioxide-containing inorganic coating film is then coated on top of the silicon-containing inorganic coating film. This ensures that the entire coating module is wear-resistant, has good gloss, and does not easily discolor, while also minimizing static electricity generation.

[0006] Preferably, the silicon-containing inorganic coating film contains silicon dioxide as the silicon compound. Silicon dioxide as the silicon compound improves hardness and corrosion resistance.

[0007] Preferably, the silicon-containing inorganic coating film contains a siloxane as the silicon compound. The use of a siloxane as the silicon compound improves sealing performance and corrosion resistance.

[0008] Preferably, the coating module includes, from top to bottom, an anti-corrosion layer, a structural reinforcement layer, and a conductive alloy layer, wherein the structural reinforcement layer is integrally connected to the alloy protrusion. The structural reinforcement layer, located between the anti-corrosion layer and the conductive alloy layer, improves the structural stability of the entire coating module.

[0009] Preferably, the corrosion-resistant layer includes an oxide protective layer. The oxide protective layer is mainly formed by chromium-free passivation.

[0010] Preferably, the conductive alloy layer comprises a zinc-iron alloy layer. The zinc-iron alloy layer can further improve corrosion resistance.

[0011] Preferably, the bottom surface of the coating module is fixed with multiple limiting protrusions, which are respectively located within multiple deformation cavities. The limiting protrusions, located within the deformation cavities, can control the degree of deformation of the deformation layer assembly, thereby improving the stability of the entire deformation structure.

[0012] Preferably, the thickness of the buffer intercalation layer is in the range of 0.5mm-1mm, and the thickness of the protective layer group is in the range of 0.1mm-0.2mm.

[0013] Preferably, the thickness of the alloy base layer is in the range of 0.1mm-0.2mm, and the length of the alloy protrusion is in the range of 0.5mm-1mm.

[0014] The beneficial effects of this invention are reflected in:

[0015] In this invention, a protective layer is attached to the top surface of the alloy base layer of the deformable layer, increasing gloss, surface smoothness, and hardness, preventing discoloration and cracking under ultraviolet light, and improving corrosion resistance to a certain extent. The deformable layer serves as a transition between the protective layer and the plastic base layer. The deformable layer consists of a connecting structure and a buffer intercalation layer. The buffer intercalation layer positions the connecting structure. After the connecting protrusion of the connecting structure is embedded in the connecting protrusion, it can undergo slight lateral deformation. When the plastic is under high temperature or external pressure, the above deformation can achieve a buffering effect, thereby ensuring the structural strength and compressive strength of the entire coating module and reducing wear. At the same time, the connecting protrusion can directly adsorb and conduct the static electricity generated by the coating module on the buffer intercalation layer to the top of the alloy base layer and then disperse it outside the protective layer, thereby preventing displacement, deformation, and detachment of the coating module and improving the tightness of the entire coating module. Compared with existing coating modules, it greatly reduces static electricity content and is safe and stable. Attached Figure Description

[0016] To more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the accompanying drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn to scale.

[0017] Figure 1 This is a schematic diagram of the structure of the present invention.

[0018] Figure label:

[0019] 1-Plastic base layer, 2-Deformable layer group, 21-Buffer intercalation layer, 211-Connecting protrusion, 212-Deformation cavity, 22-Connecting structure, 221-Alloy base layer, 222-Alloy protrusion, 23-Coating module, 231-Anti-corrosion layer, 232-Structural reinforcement layer, 233-Conductive alloy layer, 3-Protective layer group, 31-Silicon-containing inorganic coating film, 32-Titanium dioxide inorganic coating film. Detailed Implementation

[0020] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. The components of the embodiments of the present invention described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0021] Therefore, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the invention without inventive effort are within the scope of protection of the invention.

[0022] It should be noted that similar reference numerals and letters in the following figures indicate similar items; therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures. Furthermore, the terms "first," "second," etc., are used only to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0023] In the description of the embodiments of the present invention, it should be noted that the terms "inner", "outer", "upper", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship in which the product of the invention is usually placed when in use. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limiting the present invention.

[0024] like Figure 1 As shown, a PET-modified bio-based polycarbonate alloy plastic coating structure includes a plastic base layer 1, a deformable layer group 2, and a protective layer group 3. The deformable layer group 2 includes a connecting structure 22 and a buffer insert layer 21 adhered to the surface of the plastic base layer 1. The top surface of the buffer insert layer 21 has multiple deformable connecting protrusions 211, and a deformation cavity 212 is formed between adjacent connecting protrusions 211. The connecting structure 22 includes an alloy base layer 221 and an alloy protrusion 222 protruding from the bottom surface of the alloy base layer 221. The bottom of the alloy protrusion 222 is embedded in the connecting protrusions 211. A coating module 23 is disposed between the alloy base layer 221 and the buffer insert layer 21, and the alloy protrusion 222 passes through the coating module 23, which is located directly above the deformation cavity 212. The protective layer group 3 is adhered to the top surface of the alloy base layer 221.

[0025] In this embodiment, it should be noted that in the entire alloy coating module 23, the protective layer group 3 is attached to the top surface of the alloy base layer 221 of the deformable layer group 2 to increase gloss, surface smoothness and hardness, prevent discoloration and cracking under ultraviolet light, and improve corrosion resistance to a certain extent. The deformable layer group 2 is used as a transition between the protective layer group 3 and the plastic base layer 1. The deformable layer group 2 consists of a connecting structure 22 and a buffer insert layer 21. The buffer insert layer 21 positions the connecting structure 22. After the connecting protrusion of the connecting structure 22 is embedded in the connecting protrusion 211, It can undergo slight lateral deformation. When the plastic is under high temperature or external pressure, it can use the above deformation to achieve a buffering effect, thereby ensuring the structural strength and compressive strength of the entire coating module 23 and reducing wear. At the same time, the connecting protrusion can directly conduct the static electricity generated by the coating module 23 on the buffer intercalation layer 21 to the top of the alloy base layer 221 and then disperse it to the outside of the protective layer group 3, thereby avoiding displacement, deformation and detachment of the coating module 23, improving the tightness of the entire coating module 23. Compared with the existing coating module 23, it greatly reduces the static electricity content and is safe and stable.

[0026] Specifically, the protective layer group 3 includes a silicon-containing inorganic coating film 31 and a titanium dioxide-containing inorganic coating film 32.

[0027] In this embodiment, it should be noted that the silicon-containing inorganic coating film 31 is directly coated on the surface of the alloy base layer 221, and the titanium dioxide-containing inorganic coating film 32 is then coated on the silicon-containing inorganic coating film 31, so that the entire coating module 23 has the effects of wear resistance, good gloss and no easy discoloration, while also minimizing the generation of static electricity.

[0028] Specifically, the silicon-containing inorganic coating film 31 contains silicon dioxide as the silicon compound.

[0029] In this embodiment, it should be noted that the silicon compound is silicon dioxide, which can improve hardness and corrosion resistance.

[0030] Specifically, the silicon-containing inorganic coating film 31 contains silicon compounds, specifically siloxanes.

[0031] In this embodiment, it should be noted that the silicon compound is a siloxane, which can improve sealing performance and corrosion resistance.

[0032] Specifically, the coating module 23 includes an anti-corrosion layer 231, a structural reinforcement layer 232 and a conductive alloy layer 233 arranged sequentially from top to bottom, with the structural reinforcement layer 232 and the alloy protrusion 222 connected together.

[0033] In this embodiment, it should be noted that the structural reinforcement layer 232 is located between the anti-corrosion layer 231 and the conductive alloy layer 233, which can improve the structural stability of the entire coating module 23.

[0034] Specifically, the anti-corrosion layer 231 includes an oxide protective layer.

[0035] In this embodiment, it should be noted that the oxide protective layer is mainly generated by chromium-free passivation.

[0036] Specifically, the conductive alloy layer 233 includes a zinc-iron alloy layer.

[0037] In this embodiment, it should be noted that the zinc-iron alloy layer can further improve corrosion resistance.

[0038] Specifically, the bottom surface of the coating module 23 is fixed with multiple limiting protrusions, which are located in multiple deformation cavities 212 respectively.

[0039] In this embodiment, it should be noted that the limiting protrusion is located inside the deformation cavity 212, which can control the degree of deformation of the deformation layer group 2, thereby improving the stability of the entire deformation structure.

[0040] Specifically, the thickness of the buffer intercalation layer 21 ranges from 0.5mm to 1mm, and the thickness of the protective layer group 3 ranges from 0.1mm to 0.2mm.

[0041] Specifically, the thickness of the alloy base layer 221 ranges from 0.1mm to 0.2mm, and the length of the alloy ridge strip 222 ranges from 0.5mm to 1mm.

[0042] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, and not to limit them. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention, and they should all be covered within the scope of the claims and specification of the present invention.

Claims

1. A PET-modified bio-based polycarbonate alloy plastic coating structure, characterized in that, It includes a plastic base layer, a deformable layer group, and a protective layer group; among which, The deformable layer assembly includes a connecting structure and a buffer insert layer adhered to the surface of the plastic base layer. The top surface of the buffer insert layer is provided with a plurality of deformable connecting protrusions, and a deformable cavity is formed between adjacent connecting protrusions. The connecting structure includes an alloy base layer and an alloy protrusion strip protruding from the bottom surface of the alloy base layer. The bottom of the alloy protrusion strip is embedded in the connecting protrusion. A plating module is provided between the alloy base layer and the buffer insert layer. The alloy protrusion strip passes through the plating module, and the plating module is located directly above the deformable cavity. The protective layer assembly is attached to the top surface of the alloy base layer; The coating module includes, from top to bottom, an anti-corrosion layer, a structural reinforcement layer, and a conductive alloy layer, wherein the structural reinforcement layer is integrally connected with the alloy protrusion. The bottom surface of the coating module is fixed with multiple limiting protrusions, and the multiple limiting protrusions are respectively located in the multiple deformation cavities.

2. The PET-modified bio-based polycarbonate alloy plastic coating structure according to claim 1, characterized in that, The protective layer group includes a silicon-containing inorganic coating film and a titanium dioxide-containing inorganic coating film.

3. The PET-modified bio-based polycarbonate alloy plastic coating structure according to claim 2, characterized in that, The silicon compound in the silicon-containing inorganic coating film is silicon dioxide.

4. The PET-modified bio-based polycarbonate alloy plastic coating structure according to claim 2, characterized in that, The silicon compound in the silicon-containing inorganic coating film is a siloxane.

5. The PET-modified bio-based polycarbonate alloy plastic coating structure according to claim 1, characterized in that, The corrosion-resistant layer includes an oxide protective layer.

6. The PET-modified bio-based polycarbonate alloy plastic coating structure according to claim 1, characterized in that, The conductive alloy layer includes a zinc-iron alloy layer.

7. The PET-modified bio-based polycarbonate alloy plastic coating structure according to claim 1, characterized in that, The thickness of the buffer intercalation layer ranges from 0.5mm to 1mm, and the thickness of the protective layer group ranges from 0.1mm to 0.2mm.

8. The PET-modified bio-based polycarbonate alloy plastic coating structure according to claim 1, characterized in that, The thickness of the alloy base layer ranges from 0.1mm to 0.2mm, and the length of the alloy protrusion ranges from 0.5mm to 1mm.

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