Anti-deformation multilayer paperboard

Abstract

The utility model discloses an anti-deformation multilayer paperboard which comprises an inner core layer, middle layers are arranged on the two side faces of the inner core layer, an outer protection layer is arranged on one side of each middle layer, each middle layer comprises a strengthening layer and an anti-permeation layer, the strengthening layer is fixedly arranged on one side face of the inner core layer, and the anti-permeation layer is arranged on the other side face of the inner core layer. The multi-layer paperboard is composed of the inner core layer, the middle layer and the outer protection layer, the whole multi-layer paperboard is high in strength, good in toughness, good in impact resistance and good in waterproof effect, and therefore when the multi-layer paperboard faces the factors such as collision, extrusion and moisture in the commodity transportation process, the multi-layer paperboard can be prevented from being damaged, and the service life of the multi-layer paperboard is prolonged. The shape and the structure of the package can be kept, the good deformation resistance is achieved, and the requirement of the market for a multi-layer paperboard with the good deformation resistance can be met.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of anti-deformation multilayer paperboard. BACKGROUND

[0002] Multilayer paperboard is a kind of paperboard consolidated by two or more layers of paper web, which has excellent physical properties, environmental characteristics and processing design flexibility, and is widely used in the packaging of electronic products, express delivery, food, household supplies and cosmetics; The anti-deformation ability of multilayer paperboard determines the protection ability of the package to the goods, and the excellent anti-deformation ability enables the package to maintain its shape and structure when facing the bumps, extrusion and humid environment during the transportation of goods, thereby effectively protecting the internal goods, which makes the market demand for multilayer paperboard with good anti-deformation performance high; Therefore, it has important practical significance to develop an anti-deformation multilayer paperboard to meet market demand. SUMMARY

[0003] The utility model aims to provide a kind of anti-deformation multilayer paperboard, to solve the problems raised in the above background technology.

[0004] To solve the above problems, the utility model adopts the following technical solutions:

[0005] An anti-deformation multilayer paperboard includes an inner core layer, each of the intermediate layers is provided with an outer protective layer on one side, the intermediate layer includes a reinforcing layer and a permeation prevention layer, the reinforcing layer is fixedly arranged on one side of the inner core layer, the permeation prevention layer is fixedly arranged on one side of the reinforcing layer, the outer protective layer includes an outer reinforcing layer, a tear-resistant layer and an outer waterproof layer, the outer reinforcing layer is fixedly arranged on one side of the permeation prevention layer, the tear-resistant layer is arranged on one side of the outer reinforcing layer, and the outer waterproof layer is arranged on one side of the tear-resistant layer.

[0006] Preferably, the inner core layer, reinforcing layer, permeation prevention layer, outer reinforcing layer, tear-resistant layer and outer waterproof layer are sequentially connected together layer by layer from inside to outside.

[0007] Preferably, the inner core layer is a honeycomb paperboard.

[0008] Preferably, the reinforcing layer is a glass fiber composite polyurethane, and the permeation prevention layer is an epoxy resin film.

[0009] Preferably, the outer reinforcing layer is impregnated paper, the tear-resistant layer is kraft paper, and the outer waterproof layer is polyethylene film.

[0010] The utility model discloses a beneficial effect is: the utility model discloses multilayer paperboard is constituted by inner core layer, intermediate layer and outer protection layer together, the strength of whole multilayer paperboard is high, and the tenacity is good, and the impact resistance is good, and the waterproof effect is good, this makes multilayer paperboard when facing commodity transportation process's knock, extrusion and humid factors, can keep the shape and structure of packaging own, has excellent deformation resistance, can satisfy the demand of multilayer paperboard of good deformation resistance performance to the market. BRIEF DESCRIPTION OF DRAWINGS

[0011] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, the following will be to the embodiment or prior art description needed to use the drawing briefly introduces, but is not to the utility model protection scope's limitation.

[0012] Figure 1 It is the whole structure schematic diagram of the utility model;

[0013] Figure 2 It is the structure schematic diagram of the intermediate layer in the utility model Figure 1 ;

[0014] Figure 3 It is the structure schematic diagram of the outer protection layer in the utility model Figure 1 .

[0015] In the drawing: 11, inner core layer;12, intermediate layer;13, outer protection layer;14, reinforcing layer;15, impermeable layer;16, external reinforcing layer;17, tear resistance layer;18, outer waterproof layer. DETAILED DESCRIPTION

[0016] Referring to Figures 1 to 3 The utility model discloses a kind of deformation resistance multilayer paperboards, including inner core layer 11, the both sides of the inner core layer 11 are equipped with intermediate layer 12, the side of each intermediate layer 12 is equipped with outer protection layer 13, the intermediate layer 12 includes reinforcing layer 14 and impermeable layer 15, the reinforcing layer 14 is fixedly arranged on the side of inner core layer 11, the impermeable layer 15 is fixedly arranged on the side of reinforcing layer 14, the outer protection layer 13 includes external reinforcing layer 16, tear resistance layer 17 and outer waterproof layer 18, the external reinforcing layer 16 is fixedly arranged on the side of impermeable layer 15, the tear resistance layer 17 is arranged on the side of external reinforcing layer 16, and the outer waterproof layer 18 is arranged on the side of tear resistance layer 17.

[0017] Further, the inner core layer 11, reinforcing layer 14, impermeable layer 15, external reinforcing layer 16, tear resistance layer 17 and outer waterproof layer 18 are sequentially connected together layer by layer from inside to outside.

[0018] Further, the inner core layer 11 is a honeycomb paperboard; the inner core layer 11 adopts the honeycomb paperboard, so that the inner layer of the whole multi-layer paperboard has high compression strength, light weight and is not easy to deform.

[0019] Further, the reinforcing layer 14 is a glass fiber composite polyurethane, and the anti-permeation layer 15 is an epoxy resin film; the reinforcing layer 14 of the glass fiber composite polyurethane has high strength, good toughness and good impact resistance, so that the multi-layer paperboard can better cope with the impact in the packaging and transportation process; the anti-permeation layer 15 of the epoxy resin film has good waterproof performance, so as to avoid the moisture from permeating to the inner layer of the multi-layer paperboard, thereby avoiding the deformation of the inner core layer 11 due to being wet and softened in a large area.

[0020] Further, the outer reinforcing layer 16 is impregnated paper, the anti-tearing layer 17 is kraft paper, and the outer waterproof layer 18 is polyethylene film; the outer reinforcing layer 16 of the impregnated paper has good anti-deformation and impact resistance, the anti-tearing layer 17 of the kraft paper is strong and tough, has high strength and rigidity, and the use of the outer reinforcing layer 16 and the anti-tearing layer 17 makes the outer layer of the multi-layer paperboard have good anti-deformation and anti-tearing abilities; the polyethylene film has good waterproof performance, and the outer waterproof layer 18 covers the outermost layer of the multi-layer paperboard, so that the multi-layer paperboard can effectively resist the moisture in the surrounding environment.

[0021] The working principle of the multi-layer paperboard is that the inner core layer 11 of the honeycomb paperboard is used as the innermost layer of the multi-layer paperboard, so that the inner core of the multi-layer paperboard has high compression strength, light weight and is not easy to deform; the reinforcing layer 14 of the glass fiber composite polyurethane has high strength, good toughness and good impact resistance, the anti-permeation layer 15 of the epoxy resin film has good waterproof performance, the reinforcing layer 14 and the anti-permeation layer 15 are used as the intermediate layer of the multi-layer paperboard, so that the multi-layer paperboard can better cope with the impact in the packaging and transportation process, and the moisture is prevented from permeating to the inner layer of the multi-layer paperboard, thereby avoiding the deformation of the inner core layer 11 due to being wet and softened in a large area; the outer reinforcing layer 16 of the impregnated paper has good anti-deformation and impact resistance, the anti-tearing layer 17 of the kraft paper is strong and tough, has high strength and rigidity, the outer waterproof layer 18 of the polyethylene film has good waterproof performance, the outer reinforcing layer 16, the anti-tearing layer 17 and the outer waterproof layer 18 are used as the outer layer of the multi-layer paperboard, so that the outer layer of the multi-layer paperboard has good anti-deformation, anti-tearing and waterproof abilities; in summary, the whole multi-layer paperboard has high strength, good toughness, good impact resistance and good waterproof effect, so that the multi-layer paperboard can maintain the shape and structure of the packaging itself when facing the factors such as bumping, extrusion and moisture in the commodity transportation process, has excellent anti-deformation ability, and can meet the market demand for the multi-layer paperboard with good anti-deformation performance.

[0022] The above merely illustrates the specific implementation of the present application, but the protection scope of the present application is not limited to this, any change or replacement without creative labor should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be limited by the protection scope defined in the claims.

Claims

1. A type of deformation-resistant multilayer cardboard, characterized in that: The system includes an inner core layer, with intermediate layers on both sides of the inner core layer, and an outer protective layer on one side of each intermediate layer. Each intermediate layer includes a reinforcing layer and an anti-permeability layer. The reinforcing layer is fixedly disposed on one side of the inner core layer, and the anti-permeability layer is fixedly disposed on one side of the reinforcing layer. The outer protective layer includes an external reinforcing layer, a tear-resistant layer, and an external waterproof layer. The external reinforcing layer is fixedly disposed on one side of the anti-permeability layer, the tear-resistant layer is disposed on one side of the external reinforcing layer, and the external waterproof layer is disposed on one side of the tear-resistant layer.

2. The anti-deformation multilayer paperboard according to claim 1, characterized in that: The inner core layer, reinforcing layer, impermeable layer, outer reinforcement layer, tear-resistant layer, and outer waterproof layer are connected together sequentially from the inside out.

3. The anti-deformation multilayer paperboard according to claim 1, characterized in that: The inner core layer is honeycomb paperboard.

4. The anti-deformation multilayer paperboard according to claim 1, characterized in that: The reinforcing layer is a fiberglass composite polyurethane, and the anti-permeability layer is an epoxy resin film.

5. The anti-deformation multilayer paperboard according to claim 1, characterized in that: The outer reinforcing layer is impregnated paper, the tear-resistant layer is kraft paper, and the outer waterproof layer is polyethylene film.

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