High-temperature-resistant paper plate with multi-layer composite structure

Abstract

The utility model relates to the field of paper products, in particular to a high-temperature-resistant paper plate with a multi-layer composite structure, which comprises a paper plate body, and the paper plate body is formed by overlapping the following layers: a first layer made of thermal resistance materials, a second layer made of high-strength fiber paper materials, a third layer made of food-grade waterproof materials and a fourth layer made of antibacterial materials. The thermal resistance material adopted by the first layer has excellent thermal resistance performance and can effectively resist external high temperature, so that the paper plate body is protected from being damaged by heat, the design enables the paper plate to keep stable in a high-temperature environment, the service life is prolonged, and the high-strength fiber paper material adopted by the second layer has good mechanical property and good heat resistance. And the paper plate has thermal expansion resistance, so that the paper plate is not easy to deform or crack when bearing the pressure generated in the use process, and the structural integrity is kept.

Description

Technical Field

[0001] The utility model relates to the field of paper products, in particular to a high-temperature resistant paper tray with a multi-layer composite structure. Background Art

[0002] As global environmental awareness increases, paper tableware, as an environmentally friendly alternative, has gradually gained favor among consumers. Compared with traditional plastic tableware, paper tableware has significant advantages in terms of biodegradability, recyclability and environmental friendliness. However, paper tableware faces an important technical challenge in practical applications, namely, its relatively weak high temperature resistance.

[0003] In high temperature environments, such as ovens and microwave ovens, paper tableware is often prone to deformation, burning, or even damage, which seriously limits its application range. In order to meet the market demand for tableware in high temperature environments, it is particularly important to develop a paper plate with a multi-layer composite structure that can withstand high temperatures. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the utility model provides a high temperature resistant paper tray with a multi-layer composite structure.

[0006] (II) Technical solution

[0007] To achieve the above object, the utility model provides the following technical solution: The utility model provides a high temperature resistant paper tray with a multi-layer composite structure, comprising a paper tray body, wherein the paper tray body is stacked by the following layers:

[0008] The first layer is made of thermal resistance material with good thermal resistance performance, which can resist external high temperature and protect the paper tray body from heat damage;

[0009] The second layer is made of high-strength fiber paper material, which has good mechanical properties and thermal expansion resistance, and can withstand the pressure generated during the use of the paper tray;

[0010] The third layer is made of food-grade waterproof material, which has good waterproof performance and can prevent moisture from penetrating into the inside of the paper plate, ensuring the safety of the paper plate;

[0011] The fourth layer is made of antibacterial material with good antibacterial properties, which can effectively inhibit the growth of bacteria and ensure the hygienic and safe use of paper plates;

[0012] The first layer, the second layer, the third layer and the fourth layer are stacked in sequence to form a paper tray body.

[0013] Preferably, a heat insulating layer is sleeved on the outer wall of the paper tray body, and the heat insulating layer is made of any one of cardboard material and leather cover material.

[0014] Further preferably, a paper cover is arranged on the paper tray body, and the sides of the paper cover and the top sides of the paper tray body are both provided with folded edges.

[0015] Preferably again, the top of the paper cover is provided with air holes.

[0016] Preferably, the paper tray body includes a shaping frame, the first layer, the second layer, the third layer and the fourth layer are wrapped around the outside of the shaping frame, and the shaping frame includes an upper frame, a lower frame and a side frame.

[0017] Further preferably, an extension edge is provided on the top of the paper tray body, and a heat insulation layer is wrapped on the extension edge.

[0018] Preferably again, a sealing groove is provided around the extended edge, and the folded edge of the paper cover is matched with the sealing groove.

[0019] (III) Beneficial effects

[0020] Compared with the prior art, the utility model provides a high temperature resistant paper tray with a multi-layer composite structure, which has the following beneficial effects:

[0021] Excellent high temperature resistance:

[0022] The thermal resistance material used in the first layer has excellent thermal resistance performance, which can effectively resist external high temperatures, thereby protecting the paper tray body from thermal damage. This design allows the paper tray to remain stable in high temperature environments and extend its service life.

[0023] Strong structural stability:

[0024] The high-strength fiber paper material used in the second layer not only has good mechanical properties, but also has anti-thermal expansion properties. This makes the paper plate less likely to deform or break when subjected to the pressure generated during use, maintaining the integrity of the structure.

[0025] Excellent waterproof performance:

[0026] The third layer uses food-grade waterproof material to ensure that the paper tray has good waterproof performance. This layer can effectively prevent moisture from penetrating into the interior of the paper tray, thus ensuring the safety of the paper tray, especially in a humid or liquid contact environment.

[0027] Hygienic antibacterial function:

[0028] The antibacterial material used in the fourth layer has significant antibacterial properties and can effectively inhibit the growth of bacteria. This greatly improves the hygiene and safety of paper tray use and provides users with a healthier and safer use experience.

[0029] In summary, this high temperature resistant paper tray with a multi-layer composite structure achieves excellent high temperature resistance, structural stability, waterproof performance, antibacterial function and flexible design adaptability through carefully designed multi-layer superposition and optimal material selection. These beneficial effects enable the paper tray to remain stable, safe and hygienic in environments such as high temperature, humidity or liquid contact, providing users with a better use experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 This is a schematic diagram of the structure of the paper tray body of the utility model;

[0031] Figure 2 This is a schematic diagram of the framework structure of the utility model;

[0032] Figure 3 This is a schematic diagram of the paper cover structure of the utility model;

[0033] Figure 4 It is a schematic diagram of the composite layer structure of the paper tray body of the utility model;

[0034] In the figure: 1, first layer; 2, second layer; 3, third layer; 4, fourth layer; 5, paper tray body; 6, insulation layer; 7, expansion edge; 8, sealing groove; 9, paper cover; 10, folding edge; 11, air hole; 12, upper shelf; 13, lower shelf; 14, side shelf. DETAILED DESCRIPTION

[0035] 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.

[0036] See also Figure 1-4 The utility model provides a high temperature resistant paper tray with a multi-layer composite structure, comprising a paper tray body 5, wherein the paper tray body 5 is stacked by the following layers:

[0037] The first layer 1 is made of heat-resistant material and has good heat resistance performance, which can resist external high temperature and protect the paper tray body 5 from heat damage;

[0038] The second layer 2 is made of high-strength fiber paper material, which has good mechanical properties and thermal expansion resistance, and can withstand the pressure generated during the use of the paper tray;

[0039] The third layer 3 is made of food-grade waterproof material, which has good waterproof performance and can prevent moisture from penetrating into the inside of the paper plate, ensuring the safety of the paper plate;

[0040] The fourth layer 4 is made of antibacterial material with good antibacterial properties, which can effectively inhibit the growth of bacteria and ensure the hygienic safety of the paper plate;

[0041] The first layer 1 , the second layer 2 , the third layer 3 and the fourth layer 4 are stacked in sequence to form a paper tray body 5 .

[0042] The preferred solution of the above-mentioned high temperature resistant paper tray with multi-layer composite structure is:

[0043] A heat insulating layer 6 is sleeved on the outer wall of the paper tray body 5 , and the heat insulating layer 6 can be made of cardboard or leather.

[0044] advantage:

[0045] Improved heat insulation effect: The provision of the heat insulation layer 6 further enhances the heat insulation performance of the paper tray, so that the paper tray body 5 has a low temperature area, which is convenient for personnel to take.

[0046] A paper cover 9 is disposed on the paper tray body 5 , and folding edges 10 are provided on the top sides of the paper cover 9 and the paper tray body 5 .

[0047] advantage:

[0048] Convenient to use: The design of the paper cover 9 enables the paper tray body 5 to reduce the heat dissipation when storing food.

[0049] Improved sealing: The folded edge 10 can enhance the tightness of the connection between the paper cover 9 and the paper tray body 5, improve the sealing of the paper tray, and prevent food from spilling and odor from emitting.

[0050] The top of the paper cover 9 is provided with an air hole 11 .

[0051] advantage:

[0052] Maintaining air circulation: The arrangement of the air holes 11 can maintain air circulation inside the paper cover 9, thereby preventing food from generating odor or deteriorating in a closed environment.

[0053] Convenient observation: The air holes 11 also facilitate the user to observe the state of food inside the paper plate, which is convenient for timely adjustment and taking.

[0054] The paper tray body 5 comprises a shaping frame, and the first layer 1, the second layer 2, the third layer 3 and the fourth layer 4 are wrapped around the outer side of the shaping frame. The shaping frame comprises an upper frame 12, a lower frame 13 and a side frame 14.

[0055] advantage:

[0056] Provide stable structure: The shaping frame provides stable structural support for the paper tray, so that each layer of material can remain neat and flat when stacked, improving the overall stability of the paper tray.

[0057] Easy to produce and process: The design of the shaping frame makes the production and processing of paper trays more convenient and efficient, thus improving production efficiency.

[0058] The top of the paper tray body 5 is provided with an extended edge 7, and the extended edge 7 is wrapped with a heat insulating layer 6. A sealing groove 8 is arranged around the extended edge 7, and the folded edge 10 of the paper cover 9 is adapted to the sealing groove 8.

[0059] advantage:

[0060] Increased usable area: The design of the extended edge 7 increases the usable area of ​​the paper tray body 5 , making it easier for a person to grasp the extended edge 7 to move the paper tray body 5 .

[0061] Improved sealing and stability: The matching of the sealing groove 8 and the folded edge 10 of the paper cover 9 makes the connection between the paper cover 9 and the paper tray body 5 tighter and more stable, thereby improving the sealing and stability of the paper tray.

[0062] In summary, this high temperature resistant paper tray with a multi-layer composite structure achieves its excellent performance through a carefully designed multi-layer superposition. Each layer has its specific function and material selection, working together to resist high temperature, withstand pressure, be waterproof and antibacterial.

[0063] First layer 1: Thermal resistance material - This layer is made of material with excellent thermal resistance performance. Its main function is to resist external high temperature and protect the paper tray body 5 from thermal damage. When the paper tray is exposed to high temperature environment, this layer can absorb and disperse heat to ensure the overall stability of the paper tray.

[0064] Second layer 2: High-strength fiber paper material-This layer uses high-strength fiber paper material, which has good mechanical properties and resistance to thermal expansion. Its function is to withstand the pressure generated during the use of the paper tray to ensure that the paper tray will not be deformed or broken due to the force.

[0065] The third layer 3: Food grade waterproof material - This layer uses food grade waterproof material, the main purpose is to prevent moisture from penetrating into the paper plate. This material has good waterproof performance, which can ensure that the paper plate will not be damaged by moisture contact during use, while ensuring the safety and hygiene of food.

[0066] Fourth layer 4: Antibacterial material-This layer uses antibacterial material with significant antibacterial properties. It can effectively inhibit the growth of bacteria and ensure the hygienic safety of paper plates, thereby ensuring the safety of food and the health of users.

[0067] These four layers are stacked in sequence to form a strong and fully functional tray body 5. Each layer performs a unique function, which together enhances the overall performance of the tray.

[0068] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A high temperature resistant paper tray with a multi-layer composite structure, characterized in that: The paper tray body (5) is composed of the following layers: The first layer (1) is made of heat-resistant material and has good heat-resistance performance, and can resist external high temperature and protect the paper tray body (5) from heat damage; The second layer (2) is made of high-strength fiber paper material, which has good mechanical properties and thermal expansion resistance and can withstand the pressure generated during the use of the paper tray; The third layer (3) is made of food-grade waterproof material, which has good waterproof performance and can prevent moisture from penetrating into the inside of the paper plate, ensuring the safety of the paper plate; The fourth layer (4) is made of antibacterial material, which has good antibacterial properties and can effectively inhibit the growth of bacteria, ensuring the hygienic safety of the paper plate; The first layer (1), the second layer (2), the third layer (3) and the fourth layer (4) are stacked in sequence to form a paper tray body (5).

2. A high temperature resistant paper tray with a multi-layer composite structure according to claim 1, characterized in that: A heat insulating layer (6) is sleeved on the outer wall of the paper tray body (5), and the heat insulating layer (6) is made of any one of a cardboard material and a leather cover material.

3. The high temperature resistant paper tray with a multi-layer composite structure according to claim 2, characterized in that: The paper tray body (5) is provided with a paper cover (9), and the sides of the paper cover (9) and the top sides of the paper tray body (5) are both provided with folding edges (10).

4. The high temperature resistant paper tray with a multi-layer composite structure according to claim 3, characterized in that: The top of the paper cover (9) is provided with an air hole (11).

5. The high temperature resistant paper tray with a multi-layer composite structure according to claim 4, characterized in that: The paper tray body (5) comprises a shaping frame, the first layer (1), the second layer (2), the third layer (3) and the fourth layer (4) are wrapped on the outside of the shaping frame, and the shaping frame comprises an upper frame (12), a lower frame (13) and a side frame (14).

6. The high temperature resistant paper tray with a multi-layer composite structure according to claim 5, characterized in that: An extended edge (7) is provided on the top of the paper tray body (5), and a heat insulation layer (6) is wrapped on the extended edge (7).

7. The high temperature resistant paper tray with a multi-layer composite structure according to claim 6, characterized in that: The expansion edge (7) is surrounded by a sealing groove (8), and the folding edge (10) of the paper cover (9) is adapted to the sealing groove (8).

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