Tear-resistant composite paperboard with net-shaped structure

Abstract

The utility model discloses a tear-resistant composite paperboard with a net structure. The tear-resistant composite paperboard comprises a tear-resistant paperboard, according to the tear-resistant paperboard, the reinforcing net is laid in the interlayer between the paperboard surface layer and the paperboard inner layer, the reinforcing net is formed by interweaving the aramid fibers and the polyamide fibers, the aramid fibers have extremely high strength, the tear-resistant performance of the reinforcing net is guaranteed, the polyamide fibers have excellent strength, the weight is lighter, and therefore the tear-resistant paperboard is not prone to falling off. According to the tear-resistant paperboard, the reinforcing net is arranged between the paperboard surface layer and the paperboard inner layer, so that the lightweight requirement of the reinforcing net is met, the internal structural strength of the tear-resistant paperboard is greatly improved through the reinforcing net, and the edge adhesive layer is coated on the edge part of the bonding surface of the paperboard surface layer and the paperboard inner layer and is formed by coating an epoxy resin adhesive solution; the epoxy resin adhesive has excellent structural strength and tensile strength, so that the edge strength of the tear-resistant paperboard is enhanced, and the tear-resistant paperboard is not easy to tear from the edge notch.

Description

TECHNICAL FIELD

[0001] The utility model relates to card paper technical field, concretely is a kind of tear-resistant composite card paper with net structure. BACKGROUND

[0002] Card paper is a kind of thick paper between paper and paperboard, with unique performance and wide application field, because it is tough and thick, with higher stiffness and smoothness, is often used as packaging material, while protecting the product to upgrade product grade.

[0003] The existing patent application No.: CN202420072051.4 a kind of anti-fake moisture-resistant composite card paper, including card paper main body, reinforcing layer and waterproof layer.

[0004] The above-mentioned patent records the functional structure of card paper, in actual use, card paper is limited to the strength of paper material, and the resistance to tearing is poor, the card paper lacks reinforcing structure inside, and it is easy to tear from the paper edge, resulting in short service life of card paper, and the reuse rate of its product is low, therefore, we propose a tear-resistant composite card paper with net structure to solve the above problems. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a kind of tear-resistant composite card paper with net structure to solve the problems raised in the above background.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a kind of tear-resistant composite card paper with net structure, including tear-resistant card paper, the tear-resistant card paper includes card paper surface layer, card paper inner layer, reinforcing net and edge rubber layer, the card paper surface layer and card paper inner layer are mutually pasted and fixed, reinforcing net is laid in the interlayer between card paper surface layer and card paper inner layer, the edge part of the adhesive surface of card paper surface layer and card paper inner layer is coated with edge rubber layer.

[0007] Preferably, the surface of the card paper surface layer is press-fitted with a protective film, and the protective film is made of PE film.

[0008] Preferably, the reinforcing net is interwoven by aramid fiber and polyamide fiber.

[0009] Preferably, the edge rubber layer is coated with epoxy resin glue solution.

[0010] Compared with the prior art, the utility model has the beneficial effects that:

[0011] The utility model discloses a tear -resistant card paper, through the interlayer between card paper surface layer and card paper inner layer is laid with reinforcing net, wherein reinforcing net is formed by aramid fiber and chinlon fiber intertexture, aramid fiber has very high strength, guarantees the tear -resistant performance of reinforcing net, chinlon fiber has excellent strength, and the weight is lighter, to satisfy the lightweight demand of reinforcing net, through reinforcing net has improved the internal structural strength of tear -resistant card paper greatly.

[0012] The utility model discloses a border adhesive layer is coated in the adhesive face edge position of card paper surface layer and card paper inner layer, the border adhesive layer adopts epoxy resin glue solution coating and is formed, and epoxy resin glue has excellent structural strength and tensile strength to enhance the border strength of tear -resistant card paper, makes tear -resistant card paper not easy to tear from the border opening. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the whole structure schematic diagram of the utility model;

[0014] Figure 2 It is the structure schematic diagram of card paper surface layer in the utility model;

[0015] Figure 3 It is the structure schematic diagram of reinforcing net in the utility model;

[0016] Figure 4 It is the structure schematic diagram of border adhesive layer in the utility model.

[0017] In the drawing: tear -resistant card paper-1, card paper surface layer-11, protective film-11a, card paper inner layer-12, reinforcing net-13, aramid fiber-13a, chinlon fiber-13b, border adhesive layer-14. DETAILED DESCRIPTION

[0018] In order to further explain the technical scheme of the utility model, below through specific embodiment carries out detailed elaboration.

[0019] Please refer to Figures 1-4The utility model provides a kind of tear-resistant composite card paper with net structure, including tear-resistant card paper 1, tear-resistant card paper 1 includes card paper surface layer 11, card paper inner layer 12, reinforcing net 13 and edge rubber layer 14, card paper surface layer 11 surface is provided with protective film 11a, protective film 11a adopts PE film, protective film 11a mainly provides surface protection for card paper surface layer 11, secondly can promote the tensile strength of tear-resistant card paper 1, card paper surface layer 11 and card paper inner layer 12 are mutually pasted fixed, reinforcing net 13 is laid in the interlayer between card paper surface layer 11 and card paper inner layer 12, reinforcing net 13 is formed by aramid fiber 13a and nylon fiber 13b interweave, aramid fiber 13a has very high strength, guarantees the tear resistance of reinforcing net 13, nylon fiber 13b has excellent strength, and lighter, to meet the lightweight demand of reinforcing net 13, the adhesive surface edge position of card paper surface layer 11 and card paper inner layer 12 is coated with edge rubber layer 14, edge rubber layer 14 is coated with epoxy resin adhesive solution, epoxy resin adhesive has excellent structural strength and tensile strength, to enhance the edge strength of tear-resistant card paper 1, so that tear-resistant card paper 1 is not easy to tear from the edge opening.

[0020] The above is only preferred example of the utility model and is not used to limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part technical features. Any modification, equivalent replacement, improvement etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A tear-resistant composite cardboard with a mesh structure, characterized in that: The application relates to a tear-resistant card paper (1) comprising a card paper surface layer (11), a card paper inner layer (12), a reinforcing net (13) and a marginal adhesive layer (14), the card paper surface layer (11) and the card paper inner layer (12) are fixedly adhered to each other, the reinforcing net (13) is arranged in the interlayer between the card paper surface layer (11) and the card paper inner layer (12), and the marginal adhesive layer (14) is coated on the marginal part of the adhesive surface of the card paper surface layer (11) and the card paper inner layer (12).

2. The tear and puncture resistant composite paper with a net structure according to claim 1, wherein: The surface of the card paper surface layer (11) is provided with a protective film (11a) through pressing.

3. The tear and puncture resistant composite paper with a net structure according to claim 1, wherein: the paper is a paper with a net structure. The reinforcing net (13) is formed by interweaving aramid fibers (13a) and polyamide fibers (13b).

4. The tear and puncture resistant composite paper with a net structure according to claim 1, wherein: The marginal adhesive layer (14) is formed by coating epoxy resin adhesive.

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