Laminated silicone oil paper with double-layer structure

The double-layer structure design of the coated silicone paper solves the durability and breathability problems of single-layer silicone paper in complex environments, enabling stable use in high-temperature environments and environmentally friendly production, thus improving the product's durability and breathability.

CN223753127UActive Publication Date: 2026-01-02GUANGZHOU CIXING PAPER CO LTD
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Patent Information

Application Number
CN202422779860.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-14
Publication Date
2026-01-02
Estimated Expiration
2034-11-14

AI Technical Summary

Technical Problem

Existing single-layer silicone paper has poor durability and adaptability when facing complex and ever-changing packaging environments. It has poor air permeability, insufficient high-temperature resistance, is easily damaged, and performs poorly when used in high-temperature environments.

Method used

It adopts a double-layer structure design, including a base paper, a composite filler layer, a flame retardant layer, a coating layer and a silicone oil layer, combined with a cloud dragon layer to enhance the strength and air permeability of the paper, and improves high temperature resistance and deformation resistance through multi-layer material design.

Benefits of technology

The paper improves the air permeability, durability, and high-temperature resistance of silicone paper, enhances its resistance to external environments, extends its service life, and maintains its flatness and appearance even in high-temperature environments. The use of environmentally friendly materials and processes reduces environmental pollution and improves recyclability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses laminated silicone oil paper with a double-layer structure, which relates to the technical field of silicone oil paper and comprises backing paper, a first composite filling layer arranged above the backing paper, a first flame-retardant layer covered above the first composite filling layer, a first laminated layer covered on the upper wall of the first flame-retardant layer, and a second laminated layer covered on the lower wall of the first laminated layer. A first composite filling layer is arranged below the bottom paper, a first silicone oil layer covers the upper wall of the first coating layer, a second composite filling layer is arranged below the bottom paper, a second flame-retardant layer covers the second composite filling layer, a second coating layer covers the lower wall of the second flame-retardant layer, a second silicone oil layer covers the lower wall of the second coating layer, and anti-crease Yunlong layers are arranged on the side faces of the bottom paper. Due to the double-layer structure of the laminated silicone oil paper with the double-layer structure, the overall strength of the paper is enhanced, and the laminated silicone oil paper is endowed with more excellent weather resistance, water resistance, high temperature resistance, ultraviolet resistance and deformation resistance.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of silicone oil paper, especially to a laminated silicone oil paper with double-layer structure. BACKGROUND

[0002] As a kind of packing material combined with the characteristics of laminated paper and silicone oil paper, laminated silicone oil paper has been widely used in many fields such as food, electronics and optical instruments, it not only has excellent waterproof, moisture-proof and oil-proof performance, but also has good transparency and beautifying effect, however, with the continuous progress of technology and the diversification of market demand, higher requirements are put forward for the performance and structure of laminated silicone oil paper, as a kind of multifunctional composite material, laminated silicone oil paper plays an important role in modern packaging, printing and electronics and many other industries, among them, a kind of laminated silicone oil paper with double-layer structure has obtained wide recognition and application in the market due to its unique performance advantages.

[0003] The existing silicone oil paper is mostly single-layer structure, although it can meet the basic waterproof, moisture-proof and oil-proof requirements, but when facing complex and changeable packaging environment, its adaptability and durability need to be improved, and the high-temperature resistance and tear resistance are relatively weak, the silicone oil paper is not resistant to folding and is easy to be damaged, secondly, the air permeability is poor, and the efficiency will be reduced when steaming and packaging food. UTILITY MODEL CONTENTS

[0004] The laminated silicone oil paper with double-layer structure proposed by the utility model solves the problem of single structure of existing silicone oil paper and relatively weak high-temperature resistance, air permeability, adaptability and durability.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0006] A laminated silicone oil paper with double-layer structure, comprising a base paper, a first composite filling layer is arranged above the base paper, a first flame-retardant layer is covered above the first composite filling layer, a first laminated layer is covered on the upper wall of the first flame-retardant layer, a first silicone oil layer is covered on the upper wall of the first laminated layer, a second composite filling layer is arranged below the base paper, a second flame-retardant layer is covered below the second composite filling layer, a second laminated layer is covered on the lower wall of the second flame-retardant layer, and a second silicone oil layer is covered on the lower wall of the second laminated layer, and a cloud dragon layer for preventing creases is arranged on the side surface of the base paper.

[0007] Preferably, the base paper is high-quality wood pulp paper.

[0008] Preferably, the first composite filling layer comprises a first hot melt adhesive layer and a first grid layer, the first hot melt adhesive layer is covered above the base paper, the first grid layer is covered on the top of the first hot melt adhesive layer, and the first hot melt adhesive layer and the first grid layer are tightly combined.

[0009] Preferably, the second composite filling layer comprises a second hot melt adhesive layer and a second grid layer, and the second hot melt adhesive layer is covered below the base paper, the bottom of the second hot melt adhesive layer is covered with the second grid layer, and the second hot melt adhesive layer is tightly attached to the second grid layer.

[0010] Preferably, the upper wall of the Yunlong layer is tightly attached to the side of the first silicone oil layer, and the lower wall of the Yunlong layer is tightly attached to the side of the second silicone oil layer, and the structure formed by the first silicone oil layer and the second silicone oil layer has the same thickness.

[0011] Preferably, the first hot melt adhesive layer, the second hot melt adhesive layer, the first grid layer and the second grid layer have the same thickness, and the first grid layer and the second grid layer are inclined grid metal or nylon woven mesh.

[0012] Compared with the prior art, the beneficial effects of the present application are:

[0013] 1. The double-layer structure of the laminated silicone oil paper adopts the first and second composite filling layers, the first hot melt adhesive layer and the first grid are tightly attached to the second hot melt adhesive layer and the second grid layer, and the Yunlong layer on one side of the base paper is double-layered and ventilated, and then the first silicone oil layer of the upper first laminated layer and the second silicone oil layer of the second laminated layer are waterproof and oil-proof, and the whole paper is also elastic. This arrangement can improve the air permeability of the whole laminated silicone oil paper, and the double-layered ventilation structure design makes the laminated silicone oil paper better resist external environmental factors such as wind, sunlight, humidity changes, etc., thereby prolonging its service life.

[0014] 2. The structure design that the first composite filling layer is covered with the first fire-retardant layer above and the second composite filling layer is covered with the second fire-retardant layer below makes the laminated silicone oil paper able to withstand high temperature without deformation or damage, so it is very suitable for packaging and isolation in high-temperature environment. The unique double-layered fire-retardant layer structure makes the laminated silicone oil paper have excellent ultraviolet resistance and deformation resistance, and can maintain flatness and beauty for a long time in outdoor environment.

[0015] 3. The double-layer structure of the laminated silicone oil paper increases the number of layers of materials, and the outer Yunlong layer arrangement makes the whole laminated silicone oil paper not easy to produce creases and damage, significantly improving its strength and durability. This improvement makes the product better resist high-strength friction and heavy pressure, prolongs the service life, and improves the packaging effect. At the same time, the double-layer structure of the laminated silicone oil paper uses more environmentally friendly materials and processes in the production process, reduces environmental pollution, and improves the recyclability of the laminated silicone oil paper, which is conducive to promoting sustainable development. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 The structure of the present application is shown in the figure.

[0017] Figure 2 It is a front side structure schematic view of the utility model.

[0018] Figure 3 It is a section structure schematic view of the utility model.

[0019] Figure 4 It is an explosion structure schematic view of the utility model.

[0020] Marked number in drawing: 1, base paper;2, first fire-retardant layer;3, first silicone oil layer;4, second fire-retardant layer;5, second coating layer;6, second silicone oil layer;7, first coating layer;8, first hot melt adhesive layer;9, first grid layer;10, second hot melt adhesive layer;11, second grid layer;12, cloud dragon layer. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0022] Referring to Figures 1-4 , the utility model provides a kind of technical scheme: a kind of double-layer structure's coating silicone oil paper, including base paper 1, first composite filling layer is provided on the top of base paper 1, and first composite filling layer top is covered with first fire-retardant layer 2, so that coating silicone oil paper can withstand higher temperature without deformation or breakage, therefore it is very suitable for being used in high-temperature environment under the packaging and isolation, first fire-retardant layer 2 upper wall is covered with first coating layer 7, and first coating layer 7 upper wall is covered with first silicone oil layer 3, second composite filling layer is provided below base paper 1, and second composite filling layer lower wall is covered with second fire-retardant layer 4, second fire-retardant layer 4 lower wall is covered with second coating layer 5, first coating layer 7 and second coating layer 5 are usually formed by plastic particle through casting machine coating in paper surface, it gives paper oil-proof, waterproof and heat-sealable characteristics, and second coating layer 5 lower wall is covered with second silicone oil layer 6, base paper 1 side is all provided with the cloud dragon layer 12 of preventing crease.

[0023] Referring to Figure 4 , Figure 3, the base paper 1 is high-quality wood pulp paper, which provides the basic strength and stability of the paper and is the carrier of the film and silicone oil coating; the first composite filling layer comprises a first hot melt adhesive layer 8 and a first grid layer 9, and the first hot melt adhesive layer 8 is covered on the base paper 1, and the first hot melt adhesive layer 8 is covered with the first grid layer 9 on the top, and the first hot melt adhesive layer 8 is tightly attached to the first grid layer 9, and the first hot melt adhesive layer 8 and the second hot melt adhesive layer 10 are the same thickness as the first grid layer 9 and the second grid layer 11, and the first grid layer 9 and the second grid layer 11 are inclined grid type metal or nylon woven mesh, which has good air permeability, and the hot melt adhesive layer is more tough after heating, prolonging the service life.

[0024] Referring to Figure 2 , Figure 3 , the second composite filling layer comprises a second hot melt adhesive layer 10 and a second grid layer 11, and the second hot melt adhesive layer 10 is covered below the base paper 1, and the second hot melt adhesive layer 10 is covered with the second grid layer 11 on the bottom, and the second hot melt adhesive layer 10 is tightly attached to the second grid layer 11, so that the film-coated silicone oil paper has excellent anti-deformation ability and air permeability; the upper wall of the cloud layer 12 is tightly attached to the side of the first silicone oil layer 3, and the lower wall of the cloud layer 12 is tightly attached to the side of the second silicone oil layer 6, and the structure of the first silicone oil layer 3 and the second silicone oil layer 6 is the same thickness, and the first silicone oil layer 3 and the second silicone oil layer 6 are a thin and uniform layer of silicone oil, which makes the paper surface smooth, anti-sticking, and improves the high temperature resistance of the paper.

[0025] The film-coated silicone oil paper with double-layer structure in use and production, first, the high-quality wood pulp paper base paper 1 is covered with a first fire-retardant layer 2 and a second fire-retardant layer 4 above and below respectively, which makes the film-coated silicone oil paper able to withstand high temperature without deformation or damage, then a first hot melt adhesive layer 8 and a first grid layer 9 are covered on the first fire-retardant layer 2, and a second hot melt adhesive layer 10 and a second grid layer 11 are covered below the second fire-retardant layer 4, so that the film-coated silicone oil paper has excellent anti-deformation ability and air permeability;

[0026] Then, the upper wall of the first composite filling layer is covered with a first film layer 7, and the lower wall of the second composite filling layer is covered with a second film layer 5, and the first film layer 7 and the second film layer 5 are evenly coated with hot melt PE plastic film on the surface of the paper to form a film layer, which has the characteristics of oil and water resistance and heat sealing, and then the upper wall of the first film layer 7 is covered with a first silicone oil layer 3, and the lower wall of the second film layer 5 is covered with a second silicone oil layer 6, and the first silicone oil layer 3 and the second silicone oil layer 6 are coated with silicone on the surface of the paper by using a coating machine to form a silicone oil layer, which makes the paper surface smooth, anti-sticking, and improves the high temperature resistance of the paper;

[0027] Finally, the upper wall of the Yunlong layer 12 is closely attached to the side of the first silicone oil layer 3, and the lower wall of the Yunlong layer 12 is closely attached to the side of the second silicone oil layer 6, and the double-layer structure of the silicate silicone oil paper is not easy to produce crease damage and has a ventilation effect, the more environmentally friendly materials and processes are used in the production process of the double-layer structure of the silicate silicone oil paper, the environmental pollution is reduced, the recyclability of the silicate silicone oil paper is improved, and the sustainable development is promoted, and secondly, the double-layer structure design not only enhances the overall strength of the paper, but also endows the paper with better weather resistance, water resistance, high temperature resistance, ultraviolet resistance and deformation resistance.

[0028] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any person skilled in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A silicone-coated paper having a double-layer structure, comprising a base paper (1), characterized in that, The bottom paper (1) is provided with a first composite filling layer, and the first composite filling layer is covered with a first flame-retardant layer (2), the upper wall of the first flame-retardant layer (2) is covered with a first shower membrane layer (7), and the upper wall of the first shower membrane layer (7) is covered with a first silicone oil layer (3), the bottom paper (1) is provided with a second composite filling layer, and the second composite filling layer is covered with a second flame-retardant layer (4), the lower wall of the second flame-retardant layer (4) is covered with a second shower membrane layer (5), and the lower wall of the second shower membrane layer (5) is covered with a second silicone oil layer (6), and the side of the bottom paper (1) is provided with a crease-resistant cloud dragon layer (12).

2. The silicone paper with a double layer structure according to claim 1, wherein The bottom paper (1) is a high-quality wood pulp paper.

3. The silicone paper with a double layer structure according to claim 1, wherein The first composite filling layer comprises a first hot melt adhesive layer (8) and a first grid layer (9), and the bottom paper (1) is covered with a first hot melt adhesive layer (8), the top of the first hot melt adhesive layer (8) is covered with a first grid layer (9), and the first hot melt adhesive layer (8) and the first grid layer (9) are tightly attached.

4. The silicone paper with a double layer structure according to claim 1, wherein The second composite filling layer comprises a second hot melt adhesive layer (10) and a second grid layer (11), and the bottom paper (1) is covered with a second hot melt adhesive layer (10), the bottom of the second hot melt adhesive layer (10) is covered with a second grid layer (11), and the second hot melt adhesive layer (10) and the second grid layer (11) are tightly attached.

5. The silicone impregnated paper with a double layer structure according to claim 1, wherein, The upper wall of the cloud dragon layer (12) and the side of the first silicone oil layer (3) are tightly attached, and the lower wall of the cloud dragon layer (12) and the side of the second silicone oil layer (6) are tightly attached, and the structure formed by the first silicone oil layer (3) and the second silicone oil layer (6) has the same thickness.

6. The silicone impregnated paper with a double layer structure according to claim 3, wherein, The first hot melt adhesive layer (8) and the second hot melt adhesive layer (10) have the same thickness as the first grid layer (9) and the second grid layer (11), and the first grid layer (9) and the second grid layer (11) are inclined mesh type metal or nylon woven mesh.