Oil-separating moisture-resistant coated paper

Through the combined design of the protective layer, moisture-resistant layer and oil-displacement layer, the coating paper has poor moisture resistance and no oil-displacement function in humid environments, achieving higher moisture resistance and oil-displacement performance, extending its service life and expanding its application range.

CN223240469UActive Publication Date: 2025-08-19ANQING SHENGHUA PAPER PACKAGING
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Patent Information

Application Number
CN202422036959.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-22
Publication Date
2025-08-19
Estimated Expiration
2034-08-22

AI Technical Summary

Technical Problem

The existing coating paper has poor moisture resistance in humid environments, has a short service life and does not have oil barrier function, which limits its application in oil-containing packaging.

Method used

The combination design of the protective group layer, the moisture-resistant group layer and the oil-dissipation group layer is adopted, including the first coating paper, the heat-resistant layer, the moisture-resistant layer, the oil-dissipation layer and the silicone resin layer, etc., to enhance moisture-resistant and oil-dissipation performance through the multi-layer structure.

Benefits of technology

It improves the overall moisture resistance and oil isolation ability of the coating paper, extends its service life, and expands its application range in oil-containing packaging.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses oil-separation moisture-resistant coated paper, which relates to the technical field of coated paper, and comprises a protection group layer, the protection group layer comprises first coated paper and a moisture-resistant group layer, the first moisture-resistant group layer is arranged, and an oil-separation group layer comprises a first oil-separation layer, the protection group layer, the moisture-resistant group layer and the oil-separation group layer are combined for use, in the protection group layer, the moisture-resistant group layer and the oil-separation group layer are combined for use, and in the protection group layer, the moisture-resistant group layer and the oil-separation group layer are combined for use. The first coated paper and the second coated paper are arranged at the top and the bottom of the whole body respectively, all the group layers in the protection group layers are matched, the whole body is protected, a moisture-resistant group layer and an oil separation group layer are arranged in the protection group layer, and a first moisture-resistant layer and a second moisture-resistant layer are arranged in the moisture-resistant group layer; the two layers are matched with the reinforcing layer and the tough layer to enhance the moisture-resistant effect on the overall stability, the internal waterproof layer and the antifouling layer can better increase the overall moisture resistance, then the oil separation group layer is arranged in the protection group layer, the first oil separation layer and the second oil separation layer are arranged in the oil separation group layer, and therefore the oil separation effect is improved. And the silicon resin layer is matched to achieve a complete oil separation effect on the whole.
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Description

Technical Field

[0001] The utility model relates to the technical field of laminated paper, in particular to an oil-proof and moisture-resistant laminated paper. Background Art

[0002] With the rapid development of the catering and food packaging industries, the demand for packaging materials with oil-barrier and moisture-resistant properties is increasing. This proposal aims to launch an innovative oil-barrier and moisture-resistant coated paper to meet the market demand for high-quality, environmentally friendly, and practical packaging materials.

[0003] The patent document with publication number CN207388512U in the prior art provides a laminated paper, which includes a base paper layer, and a polyacrylic acid grid layer, a non-woven fabric layer, a first adhesive layer and a first laminated layer are sequentially arranged on one side of the base paper layer from the inside to the outside, and a polyethylene layer and a second laminated layer are sequentially arranged on the other side of the base paper layer from the inside to the outside, and the polyethylene layer is provided with a plurality of five-pointed star holes, and the polyethylene layer is bonded to the base paper layer and the second laminated layer by filling glue in the five-pointed star holes.

[0004] Although the laminated paper has many beneficial effects, the following problems still exist: the occasions and environments in which the laminated paper is used are different. During use, ordinary laminated paper has no moisture resistance. When the laminated paper is wet, it will affect its function and service life, and its service life is short. In addition, ordinary laminated paper does not have an oil-isolating function. In the use of some packaging containing oil, it is inconvenient to package and cannot be widely and flexibly used.

[0005] 1. Technical problems to be solved

[0006] The purpose of the present utility model is to provide an oil-proof and moisture-resistant laminated paper to solve the problem raised in the above background technology that the laminated paper is used in different environments, ordinary laminated paper has no moisture resistance during use, and when the laminated paper is wet, it will affect the function and service life, and the service life is short. In addition, ordinary laminated paper does not have the oil-proof function, and is inconvenient to package in some packaging containing oil, and cannot be widely and flexibly used. Utility Model Content

[0007] An oil-proof and moisture-resistant coated paper, comprising:

[0008] A protective layer assembly, the protective layer assembly comprising a first laminated paper, a reinforcing layer provided on the top of the first laminated paper, a protective outer layer provided on the bottom of the first laminated paper, a first protective layer connected to the bottom of the protective outer layer, and a heat-resistant layer connected to the bottom of the first protective layer;

[0009] The moisture-resistant layer comprises a first moisture-resistant layer disposed at the bottom of the heat-resistant layer, wherein the bottom of the first moisture-resistant layer is connected to a second moisture-resistant layer;

[0010] An oil-isolating layer, the oil-isolating layer comprising a first oil-isolating layer disposed at the bottom of the second moisture-resistant layer, a silicone resin layer connected to the bottom of the first oil-isolating layer, and a second oil-isolating layer disposed at the bottom of the silicone resin layer;

[0011] Preferably, a second protective layer is connected to the bottom of the second oil-isolating layer, and the second protective layer is made of Teflon material.

[0012] Preferably, a silicone oil layer is provided on the top of the first moisture-resistant layer, and a toughening layer is provided on the top of the second moisture-resistant layer.

[0013] Preferably, a polyethylene base material layer is connected to the bottom of the second protective layer, and the polyethylene base material layer is a thermoplastic resin material obtained by polymerization of ethylene monomer.

[0014] Preferably, a waterproof layer is provided at the bottom of the polyethylene base material layer, the bottom of the waterproof layer is connected to an anti-fouling layer, and the bottom of the anti-fouling layer is connected to a second coated paper.

[0015] 3. Beneficial effects

[0016] Compared with the prior art, the advantages of the present invention are:

[0017] The utility model uses a combination of three layers: a protective layer, a moisture-resistant layer and an oil-isolating layer. In the protective layer, the first laminated paper and the second laminated paper are respectively on the top and bottom of the whole. Then, various layers in the protective layer cooperate to protect the whole. The interior of the protective whole is provided with a moisture-resistant layer and an oil-isolating layer. The moisture-resistant layer is provided with a first moisture-resistant layer and a second moisture-resistant layer. These two layers cooperate with the reinforcing layer and the toughening layer to enhance the moisture-resistant effect on the overall stability. The internal waterproof layer and anti-fouling layer can better increase the overall moisture resistance.

[0018] Secondly, an oil-isolating layer is provided inside the protective layer, and a first oil-isolating layer and a second oil-isolating layer are provided in the oil-isolating layer, which cooperate with the silicone resin layer to provide a complete oil-isolating effect on the whole. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the oil-isolating layer of the utility model;

[0021] Figure 3 This is a schematic diagram of the moisture-resistant layer of the present utility model;

[0022] Figure 4 This is a side view of the layer assembly of the present invention;

[0023] Explanation of the numbers in the figure: 100, protective group layer; 110, first coated paper; 120, protective outer layer; 130, first protective layer; 140, second protective layer; 150, heat-resistant layer; 160, polyethylene substrate layer; 200, moisture-resistant group layer; 210, first moisture-resistant layer; 211, second moisture-resistant layer; 220, reinforcement layer; 230, waterproof layer; 240, anti-fouling layer; 250, second coated paper; 260, silicone oil layer; 270, toughening layer; 300, oil-isolating group layer; 310, silicone resin layer; 320, first oil-isolating layer; 330, second oil-isolating layer. DETAILED DESCRIPTION

[0024] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like to indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and 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, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0025] In the description of the present invention, “plurality” means two or more, unless otherwise clearly defined.

[0026] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "provided with," "mounted / connected," and "connected" should be understood in a broad sense. For example, "connected" can mean a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be internal communication between two components. For those skilled in the art, the specific meanings of the above terms in this utility model can be understood according to the specific circumstances.

[0027] The utility model uses a combination of three layers: a protective layer, a moisture-resistant layer and an oil-proof layer. In the protective layer, the first laminated paper and the second laminated paper are respectively on the top and bottom of the whole. Then, various layers in the protective layer cooperate to protect the whole. The interior of the protective whole is provided with a moisture-resistant layer and an oil-proof layer. The moisture-resistant layer is provided with a first moisture-resistant layer and a second moisture-resistant layer. These two layers cooperate with the reinforcing layer and the toughening layer to enhance the moisture-resistant effect of the overall stability. The internal waterproof layer and anti-fouling layer can better increase the overall moisture resistance. Secondly, an oil-proof layer is provided inside the protective layer. The oil-proof layer is provided with a first oil-proof layer and a second oil-proof layer, which cooperate with the silicone resin layer to play a perfect oil-proof role for the whole.

[0028] See also Figure 1-4 ,The utility model provides a technical solution:

[0029] An oil-proof and moisture-resistant coated paper, comprising:

[0030] The protective group layer 100 includes a first laminated paper 110, a reinforcing layer 220 is provided on the top of the first laminated paper 110, a protective outer layer 120 is provided at the bottom of the first laminated paper 110, the bottom of the protective outer layer 120 is connected to the first protective layer 130, and the bottom of the first protective layer 130 is connected to the heat-resistant layer 150. The heat-resistant layer 150 is made of polypropylene, which has relatively good heat resistance and can withstand temperatures of 60-130°C.

[0031] The moisture-resistant layer 200 includes a first moisture-resistant layer 210 disposed at the bottom of the heat-resistant layer 150. The bottom of the first moisture-resistant layer 210 is connected to a second moisture-resistant layer 211. The first moisture-resistant layer 210 and the second moisture-resistant layer 211 are made of gypsum material, which can quickly absorb moisture.

[0032] The oil-barrier layer 300 includes a first oil-barrier layer 310 arranged at the bottom of the second moisture-resistant layer 211. The bottom of the first oil-barrier layer 310 is connected to a silicone resin layer 320. Silicone resin has good oil resistance and high and low temperature resistance. A second oil-barrier layer 330 is provided at the bottom of the silicone resin layer 320. The first oil-barrier layer 310 and the second oil-barrier layer 330 are made of vinyl acetate copolymer, which has good barrier ability to grease.

[0033] It is worth noting that, in order to make the overall strength higher, specifically, the second protective layer 140 is connected to the bottom of the second oil-isolating layer 330. The second protective layer 140 is made of Teflon material, which has high strength, durability and fire resistance.

[0034] It is worth noting that in order to make the overall stability and moisture resistance better, specifically, a silicone oil layer 260 is provided on the top of the first moisture-resistant layer 210, and a tough layer 270 is provided on the top of the second moisture-resistant layer 211. Silicone oil has waterproof and moisture-proof effects, and combined with the tough layer 270, it can be more stable and moisture-proof, and the service life is improved.

[0035] It is worth noting that in order to make the overall waterproof and moisture-proof properties better, specifically, a polyethylene substrate layer 160 is connected to the bottom of the second protective layer 140. The polyethylene substrate layer 160 is a thermoplastic resin material made by polymerization of ethylene monomer. The polyethylene material film has good transparency and heat sealing properties, and is waterproof and moisture-proof; it has low tensile strength and high tensile elongation.

[0036] In addition, in order to achieve better waterproof and anti-fouling effects, specifically, a waterproof layer 230 is provided at the bottom of the polyethylene substrate layer 160, the bottom of the waterproof layer 230 is connected to an anti-fouling layer 240, and the bottom of the anti-fouling layer 240 is connected to a second coated paper 250. The waterproof layer 230 and the anti-fouling layer 240 are made of polytetrafluoroethylene, which has extremely low surface energy and excellent anti-fouling, oil-proof and waterproof properties.

[0037] Working principle: When using this laminated paper, the laminated paper adopts a combination of three layers: a protective layer 100, a moisture-resistant layer 200, and an oil-proof layer 300. The protective layer 100 is provided with a protective outer layer 110, a first protective layer 130, a second protective layer 140, and a polyethylene substrate layer 160, which play a major protective role. The protective layer 100 is provided with a moisture-resistant layer 200 and an oil-proof layer 300. The moisture-resistant layer 200 is provided with a first moisture-resistant layer 210 and a second moisture-resistant layer 211. These two layers, together with the reinforcing layer 220 and the tough layer 270, can enhance the overall stability and moisture resistance. The internal waterproof layer 230 and the anti-fouling layer 240 can better increase the overall moisture resistance. Secondly, an oil-isolating layer 300 is arranged inside the protective layer 200. The oil-isolating layer 300 is provided with a first oil-isolating layer 320 and a second oil-isolating layer 330, which cooperate with the silicone resin layer 310 to provide a complete oil-isolating effect on the whole. The cooperation of these three layers makes the overall coated paper stable, moisture-resistant and oil-isolating.

[0038] The above shows and describes the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely preferred examples of the present invention and are not intended to limit the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention, and such changes and improvements fall within the scope of the present invention. The scope of protection claimed in the present invention is defined by the appended claims and their equivalents.

Claims

1. An oil-proof and moisture-resistant coated paper, characterized in that: include: A protective layer (100), the protective layer (100) comprising a first laminated paper (110), a reinforcing layer (220) being provided on the top of the first laminated paper (110), a protective outer layer (120) being provided on the bottom of the first laminated paper (110), a first protective layer (130) being connected to the bottom of the protective outer layer (120), and a heat-resistant layer (150) being connected to the bottom of the first protective layer (130); A moisture-resistant layer assembly (200), comprising a first moisture-resistant layer (210) disposed at the bottom of the heat-resistant layer (150), wherein the bottom of the first moisture-resistant layer (210) is connected to a second moisture-resistant layer (211); An oil-isolating layer (300) comprises a first oil-isolating layer (310) disposed at the bottom of a second moisture-resistant layer (211), a silicone resin layer (320) being connected to the bottom of the first oil-isolating layer (310), and a second oil-isolating layer (330) being disposed at the bottom of the silicone resin layer (320).

2. The oil-proof and moisture-resistant coated paper according to claim 1, characterized in that: The bottom of the second oil-isolating layer (330) is connected to a second protective layer (140), and the second protective layer (140) is made of Teflon material.

3. The oil-proof and moisture-resistant coated paper according to claim 2, characterized in that: A silicone oil layer (260) is provided on the top of the first moisture-resistant layer (210), and a toughening layer (270) is provided on the top of the second moisture-resistant layer (211).

4. The oil-proof and moisture-resistant coated paper according to claim 3, characterized in that: The bottom of the second protective layer (140) is connected to a polyethylene substrate layer (160), and the polyethylene substrate layer (160) is a thermoplastic resin material obtained by polymerization of ethylene monomers.

5. The oil-proof and moisture-resistant coated paper according to claim 4, characterized in that: A waterproof layer (230) is provided at the bottom of the polyethylene substrate layer (160), an antifouling layer (240) is connected to the bottom of the waterproof layer (230), and a second coated paper (250) is connected to the bottom of the antifouling layer (240).

Citation Information

Patent Citations

  • Laminating paper

    CN207388512U