High-buffering high-elasticity corrugated board
By using a combined structure of nanocellulose board, rubber foam and protective board in corrugated cardboard, the problem of poor waterproof and anti-static effects of corrugated cardboard is solved, and high buffering, high elasticity and environmentally friendly corrugated cardboard is achieved, reducing environmental pollution.
Patent Information
- Application Number
- CN202422038896.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-22
- Publication Date
- 2025-08-08
- Estimated Expiration
- 2034-08-22
AI Technical Summary
Existing corrugated cardboard has poor waterproof and anti-static effects, which is difficult to meet the application needs of different industries, and is inconvenient to degrade after recycling, resulting in environmental pollution.
The nanocellulose plate is used as the partition board, a combined structure of rubber foam and protective board, combining waterproof coating, antistatic coating and bamboo fiber, and the inner board uses polyurethane foam, fluoroelastomer and bio-based fiber to improve the elasticity, durability and environmental protection of the cardboard.
It enhances the cushioning performance of corrugated cardboard, improves the anti-static and waterproofing effects, reduces environmental pollution, and meets the requirements of environmental protection and sustainable development.
Smart Images

Figure CN223202135U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of carton production, and particularly relates to a high-buffering and high-elasticity corrugated paperboard. Background Art
[0002] Corrugated cardboard is a multi-layer adhesive body, which consists of at least one layer of wavy core paper sandwich (commonly known as "pit sheet", "corrugated paper", "corrugated core paper", "corrugated paper core", "corrugated base paper") and a layer of cardboard (also known as "box board", "box board"). It has high mechanical strength, can withstand collisions and falls during transportation, has good elasticity and extensibility, and is mainly used to make cartons, cardboard sandwiches and other packaging materials for fragile goods. It mainly uses traditional straw pulp and waste paper through pulping to make raw cardboard similar to yellow cardboard, which is then mechanically processed and rolled into a corrugated shape, and then bonded to the box board with adhesives such as sodium silicate on its surface.
[0003] However, existing corrugated cardboard still has many disadvantages, including poor waterproof and anti-static effects, which makes it inconvenient to meet the needs of different industries and application scenarios. In addition, most corrugated cardboards are manufactured using plastic raw materials to improve the protective properties of the corrugated cardboard. However, the use of plastic raw materials is inconvenient to degrade during subsequent recycling, thus causing certain pollution to the environment.
[0004] Therefore, there is a need for a high-cushioning and high-elasticity corrugated cardboard to solve the problems in the existing technology of the inconvenience of meeting the application scenarios of different industries and the inconvenience of degradation treatment of corrugated cardboard after recycling. Utility Model Content
[0005] The purpose of the utility model is to provide a high-buffer and high-elasticity corrugated paperboard to solve the problems raised in the above background technology.
[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solution: a high-cushioning and high-elasticity corrugated cardboard, comprising an outer shell, a partition plate is provided in the middle of the outer shell, and rubber foams distributed in parallel are provided on the upper and lower sides of the partition plate, a protective plate is provided on the top of the rubber foam, and an inner plate is provided at the bottom of the rubber foam.
[0007] Because the material of the partition board is nanocellulose board and the characteristics of the nanocellulose board, the corrugated cardboard can have extremely high strength and flexibility, which can enhance the elasticity and durability of the cardboard.
[0008] Moreover, the rubber foam is set in an elliptical shape. When the rubber foam is squeezed, it can be transformed from a forward elliptical shape to a transverse elliptical shape, so that the rubber foam can be squeezed to both sides. The rubber foam has good elasticity and recovery properties and can be used for buffering and shock absorption, further improving the protective effect of the corrugated cardboard.
[0009] It should be noted in the scheme that the protective plate includes a waterproof coating, an antistatic coating and bamboo fiber. The bottom end of the bamboo fiber is fixed to the top of the upper rubber foam, the top end of the bamboo fiber is provided with an antistatic coating, and the top end of the antistatic coating is provided with a waterproof coating.
[0010] The protective plate is waterproof and anti-static from the outside to the inside, which can meet the needs of different industries and application scenarios. The bamboo fiber has good biodegradability and environmental protection, which can reduce the impact on the environment.
[0011] It is further worth mentioning that the inner panel includes polyurethane foam, fluororubber, and bio-based fiber. The top end of the polyurethane foam is fixed to the bottom end of the lower rubber foam. The bottom end of the polyurethane foam is provided with fluororubber, and the bottom end of the fluororubber is provided with bio-based fiber.
[0012] The inner board is a combination of bio-based fibers and polyurethane foam from the inside out, which can improve the performance and function of the cardboard and reduce dependence on non-renewable resources. In addition, the fluororubber has excellent high temperature resistance, oil resistance and chemical corrosion resistance, and has good elasticity and recovery, which can further improve the practicality of the corrugated cardboard.
[0013] It should be further explained that the rubber foam is arranged in an elliptical shape and has relatively good resilience.
[0014] As a preferred embodiment, the separator is a nanocellulose board, which has extremely high strength and flexibility.
[0015] As a preferred embodiment, the outer shell is made of paper pulp and corn starch.
[0016] Compared with the prior art, the high-cushioning and high-elasticity corrugated cardboard provided by the present invention has at least the following beneficial effects:
[0017] (1) Through the mutual cooperation between the partition plate, rubber foam and fluororubber, the good elasticity and recovery can be further improved, which can be used for cushioning and shock absorption, further improving the protective effect of the corrugated cardboard. In addition, the fluororubber has excellent high temperature resistance, oil resistance and chemical corrosion resistance, thereby improving the practicality of the corrugated cardboard.
[0018] (2) Through the mutual cooperation between the protective plate and the inner plate, the performance and function of the cardboard can be improved and the dependence on non-renewable resources can be reduced, which can help reduce plastic pollution and environmental pressure, and is more in line with the requirements of environmental protection and sustainable development. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 It is the front view of the present invention;
[0020] Figure 2 It is an exploded view of the utility model;
[0021] Figure 3 This is the internal structure diagram of the utility model;
[0022] Figure 4 This is a material diagram of the protective plate of the present utility model;
[0023] Figure 5 This is a diagram of the inner plate material of the present utility model.
[0024] In the figure: 1. Outer shell; 2. Partition plate; 3. Rubber foam; 4. Protective plate; 401. Waterproof coating; 402. Antistatic coating; 403. Bamboo fiber; 5. Inner plate; 501. Polyurethane foam; 502. Fluororubber; 503. Bio-based fiber. DETAILED DESCRIPTION
[0025] The present invention will be further described below with reference to the embodiments.
[0026] See also Figure 1-5 The utility model provides a high-buffer and high-elasticity corrugated cardboard, including an outer shell 1, a partition plate 2 is provided in the middle of the outer shell 1, and rubber foams 3 distributed in parallel are provided on the upper and lower sides of the partition plate 2, a protective plate 4 is provided on the top of the rubber foam 3, and an inner plate 5 is provided at the bottom of the rubber foam 3.
[0027] Because the material of the partition plate 2 is a nanocellulose board and the characteristics of the nanocellulose board, the corrugated cardboard can have extremely high strength and flexibility, which can enhance the elasticity and durability of the cardboard.
[0028] Moreover, the rubber foam 3 is set in an elliptical shape. When the rubber foam 3 is squeezed, it can be transformed from a forward elliptical shape to a transverse elliptical shape, so that the rubber foam 3 can be squeezed toward both sides. The rubber foam 3 has good elasticity and recovery properties and can be used for buffering and shock absorption, further improving the protective effect of the corrugated cardboard.
[0029] Further as Figure 1 、 Figure 2 、 Figure 3 and Figure 4As shown, it is worth mentioning that the protective plate 4 includes a waterproof coating 401, an antistatic coating 402 and bamboo fiber 403. The bottom end of the bamboo fiber 403 is fixed to the top of the upper rubber foam 3, the top of the bamboo fiber 403 is provided with an antistatic coating 402, and the top of the antistatic coating 402 is provided with a waterproof coating 401.
[0030] The protective plate 4 is composed of a waterproof coating 401 and an antistatic coating 402 from the outside to the inside, which cooperates with each other to meet the needs of different industries and application scenarios. In addition, the bamboo fiber 403 has good biodegradability and environmental protection, which can reduce the impact on the environment.
[0031] Further as Figure 2 、 Figure 3 and Figure 5 As shown, it is worth mentioning that the inner panel 5 includes polyurethane foam 501, fluororubber 502, and bio-based fiber 503. The top end of the polyurethane foam 501 is fixed to the bottom end of the lower rubber foam 3, the bottom end of the polyurethane foam 501 is provided with fluororubber 502, and the bottom end of the fluororubber 502 is provided with bio-based fiber 503.
[0032] The inner panel 5 is composed of bio-based fibers 503 and polyurethane foam 501 from the inside to the outside, which can improve the performance and function of the cardboard and reduce dependence on non-renewable resources. The fluororubber 502 has excellent high temperature resistance, oil resistance and chemical corrosion resistance, and has good elasticity and recovery, which can further improve the practicality of the corrugated cardboard.
[0033] This solution has the following working process: the existing corrugated cardboard is acted upon by the rubber foam 3. When the rubber foam 3 is squeezed, the rubber foams 3 on both sides can be squeezed toward each other, and further, through the force applied to the corrugated cardboard itself, the corrugated cardboard can have good elasticity and recovery, which can be used for cushioning and shock absorption. Moreover, through the cooperation between the protective plate 4 and the inner plate 5, the anti-static and waterproof effects can be further improved, thereby improving the practicality of the corrugated cardboard. Furthermore, through the internal material, through the mutual cooperation between the bio-based fiber 503 and the polyurethane foam 501, the performance and function of the cardboard can be improved. Furthermore, through the fluororubber 502, the cardboard has excellent high temperature resistance, oil resistance and chemical corrosion resistance, and at the same time has good elasticity and recovery, thereby further improving the practicality of the corrugated cardboard.
[0034] According to the above working process, it can be known that the rubber foam 3 can further achieve a better rebound effect, and the rubber foam 3 is squeezed toward both sides, thereby further improving the rebound effect of the corrugated cardboard.
[0035] Further Figure 2 、 Figure 3 As shown, it is worth noting that the rubber foam 3 is elliptical and has excellent resilience.
[0036] Further Figure 3 As shown, it is worth noting that the partition plate 2 is a nanocellulose plate, which has extremely high strength and flexibility.
[0037] Nanocellulose boards have extremely high strength and flexibility, which can enhance the elasticity and durability of cardboard.
[0038] Further as Figure 1 、 Figure 2 、 Figure 3 and Figure 4 As shown, it is worth noting that the outer shell 1 is made of paper pulp and corn starch.
[0039] Through the interaction between pulp and corn starch, the corrugated cardboard has good biodegradability and environmental protection, which can reduce the impact on the environment.
[0040] In summary: through the cooperation between the rubber foam 3 and the partition plate 2, the rebound effect of the corrugated cardboard can be improved, and through the cooperation between the protective plate 4 and the inner plate 5, the corrugated cardboard can have better anti-static and waterproof effects, and at the same time, the performance and function of the cardboard as well as high temperature resistance, oil resistance and chemical corrosion resistance can be improved.
Claims
1. A high-buffer and high-elasticity corrugated cardboard, comprising an outer shell (1), characterized in that: A partition plate (2) is provided in the middle of the outer shell (1), and rubber foams (3) are provided on the upper and lower sides of the partition plate (2) in parallel. A protective plate (4) is provided on the top of the rubber foam (3), and an inner plate (5) is provided at the bottom of the rubber foam (3).
2. The high-buffer and high-elasticity corrugated cardboard according to claim 1, characterized in that: The protective plate (4) comprises a waterproof coating (401), an antistatic coating (402) and bamboo fiber (403); the bottom end of the bamboo fiber (403) is fixed to the top end of the upper rubber foam (3); the top end of the bamboo fiber (403) is provided with the antistatic coating (402); and the top end of the antistatic coating (402) is provided with the waterproof coating (401).
3. The high-buffer and high-elasticity corrugated paperboard according to claim 1, characterized in that: The inner plate (5) comprises polyurethane foam (501), fluororubber (502), and bio-based fiber (503); the top end of the polyurethane foam (501) is fixed to the bottom end of the lower rubber foam (3); the bottom end of the polyurethane foam (501) is provided with fluororubber (502); and the bottom end of the fluororubber (502) is provided with bio-based fiber (503).
4. The high-buffer and high-elasticity corrugated paperboard according to claim 1, characterized in that: The rubber foam (3) is arranged in an elliptical shape, and the rubber foam (3) has relatively excellent resilience.
5. The high-buffer and high-elasticity corrugated paperboard according to claim 1, characterized in that: The partition plate (2) is a nanocellulose plate.
6. The high-buffer and high-elasticity corrugated paperboard according to claim 1, characterized in that: The outer shell (1) is made of paper pulp and corn starch.