Environment-friendly composite material paper

Abstract

The utility model discloses environment-friendly composite material paper which comprises an outer paper base layer, a bending-resistant composite layer, a stable reinforced composite layer, a heat sealing layer, a bonding layer and an inner paper base layer, the heat-sealing layer is positioned between the outer paper base layer and the bending-resistant composite layer and is compounded and molded with the outer paper base layer and the bending-resistant composite layer in a hot-pressing compounding manner. The basic strength and wear resistance of the composite paper can be provided through the outer paper base layer, the sealing performance of the composite paper can be improved through the heat sealing layer, the overall strength and tear resistance of the composite paper can be enhanced through the bending-resistant composite layer, the durability of packaging is improved, and the service life of packaging is prolonged. The heat stability of the composite paper in a high-temperature environment can be improved through the stable reinforced composite layer, bending deformation caused by thermal expansion is reduced, compared with existing composite paper, the stability in the high-temperature environment is improved, and normal use of the composite paper is guaranteed.

Description

Technical Field

[0001] The utility model relates to composite material paper, in particular to environment-friendly composite material paper, and belongs to the technical field of composite material paper. Background Art

[0002] Environmentally friendly composite paper is composed of two or more materials with different properties, combined through physical or chemical methods to create a material with new macroscopic properties. These materials typically include paper substrates and other composite materials such as plastics, aluminum foil, and non-woven fabrics. With its unique environmental and functional properties, environmentally friendly composite paper has shown broad application prospects in a variety of industries, including packaging, agriculture, healthcare, construction, and commercial printing.

[0003] In the prior art, environmentally friendly composite paper is prone to bending and deformation when used in a high-temperature environment. This is mainly due to the different thermal expansion coefficients and shrinkage rates of its internal materials. At high temperatures, the thermal expansion coefficients of materials such as paper and film are different, resulting in uneven stress distribution between them, thereby causing bending and deformation, affecting the use of the composite paper. To this end, an environmentally friendly composite material paper is proposed. Utility Model Content

[0004] The purpose of the present invention is to provide an environmentally friendly composite material paper to solve one of the problems raised in the above background technology.

[0005] The utility model is implemented by the following technical scheme: an environmentally friendly composite material paper, including an outer paper base, an anti-bending composite layer, a stable reinforcing composite layer, a heat-sealing layer, an adhesive layer and an inner paper base, the heat-sealing layer is located between the outer paper base and the anti-bending composite layer and is respectively composited with the outer paper base and the anti-bending composite layer by means of hot pressing composite, the adhesive layer is located between the stable reinforcing composite layer and the inner paper base and is respectively composited with the stable reinforcing composite layer and the inner paper base by means of adhesive composite, and the anti-bending composite layer is composited with the stable reinforcing composite layer by means of adhesive composite.

[0006] As a further preferred embodiment of the present technical solution: the anti-bending composite layer includes a polymer film barrier layer, a strength enhancing layer and a moisture absorbing layer, the strength enhancing layer is located between the polymer film barrier layer and the moisture absorbing layer and is composited with the polymer film barrier layer and the moisture absorbing layer respectively by bonding.

[0007] As a further preferred embodiment of the present technical solution: the polymer film barrier layer is composite-molded with the heat-sealing layer by extrusion composite method.

[0008] As a further preferred embodiment of the present technical solution: the moisture absorbing layer is composite-formed with the stabilizing and reinforcing composite layer by means of bonding and composite.

[0009] As a further preferred embodiment of the present technical solution: the stable reinforced composite layer includes a thermally stable layer, an anti-adhesion layer and a buffer layer, the thermally stable layer is composited with the anti-adhesion layer by bonding, and the anti-adhesion layer is composited with the buffer layer by extrusion.

[0010] As a further preferred embodiment of the present technical solution: the moisture absorbing layer is compositely formed with the heat stabilizing layer by bonding.

[0011] As a further preferred embodiment of the present technical solution: the buffer layer is composite-formed with the adhesive layer by bonding.

[0012] As a further preferred embodiment of the present technical solution: the outer paper base layer, heat sealing layer, anti-bending composite layer, stabilizing and reinforcing composite layer, adhesive layer and inner paper base layer are sequentially composited to obtain environmentally friendly composite material paper.

[0013] Advantages of the present invention: The present invention can provide basic strength and wear resistance of composite paper through the outer paper base layer, can improve the sealing performance of composite paper through the heat sealing layer, can enhance the overall strength and tear resistance of composite paper through the anti-bending composite layer, and improve the durability of packaging, can improve the thermal stability of composite paper in high temperature environment through the stable reinforcement composite layer, and reduce the bending deformation caused by thermal expansion. Compared with the existing composite paper, the present invention improves the stability of composite paper in high temperature environment and ensures the normal use of composite paper. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0015] Figure 1 It is a structural diagram of the utility model;

[0016] Figure 2 This is an exploded view of the utility model;

[0017] Figure 3 It is a cross-sectional view of the present invention.

[0018] In the figure: 101, anti-bending composite layer; 201, stable reinforcement composite layer; 11, outer paper base layer; 12, heat sealing layer; 13, polymer film barrier layer; 14, strength reinforcement layer; 15, moisture absorption layer; 16, heat stabilization layer; 17, anti-adhesion layer; 18, buffer layer; 19, adhesive layer; 20, inner paper base layer. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0020] Example

[0021] See also Figure 1-Figure 3 The utility model provides a technical solution: an environmentally friendly composite material paper, comprising an outer paper base 11, an anti-bending composite layer 101, a stabilizing and reinforcing composite layer 201, a heat-sealing layer 12, an adhesive layer 19, and an inner paper base 20. The heat-sealing layer 12 is located between the outer paper base 11 and the anti-bending composite layer 101 and is respectively composited with the outer paper base 11 and the anti-bending composite layer 101 by hot pressing. The adhesive layer 19 is located between the stabilizing and reinforcing composite layer 201 and the inner paper base 20 and is respectively composited with the stabilizing and reinforcing composite layer 201 and the inner paper base 20 by adhesive bonding. The anti-bending composite layer 101 is composited with the stabilizing and reinforcing composite layer 201 by adhesive bonding.

[0022] The anti-bending composite layer 101 can enhance the overall strength and tear resistance of the composite paper, thereby improving the durability of the packaging. The stabilizing and reinforcing composite layer 201 can improve the thermal stability of the composite paper in high temperature environments, reduce bending deformation caused by thermal expansion, maintain the integrity of the packaging, and provide additional cushioning.

[0023] The outer paper base 11 is bamboo fiber paper to provide basic strength and wear resistance of the composite paper;

[0024] The inner paper base layer 20 is a film material and can be in direct contact with food to improve the safety and hygiene of the food.

[0025] In this embodiment, specifically, the anti-bending composite layer 101 includes a polymer film barrier layer 13, a strength-enhancing layer 14, and a moisture-absorbing layer 15. The strength-enhancing layer 14 is located between the polymer film barrier layer 13 and the moisture-absorbing layer 15 and is composited with the polymer film barrier layer 13 and the moisture-absorbing layer 15 by bonding.

[0026] The strength-enhancing layer 14 is made of high-strength polyester fiber material, which can enhance the overall strength and tear resistance of the composite paper.

[0027] The polymer film barrier layer 13 is made of ethylene-vinyl alcohol copolymer material, which can effectively block gas molecules such as oxygen and water vapor. It is also a non-toxic and environmentally friendly material that will not cause harm to the human body and the environment.

[0028] The moisture absorbing layer 15 is made of bamboo fiber material, which absorbs moisture inside the package, keeps the items dry, prevents deformation or damage caused by humidity changes, and does not pollute the environment.

[0029] In this embodiment, specifically: the polymer film barrier layer 13 is compositely formed with the heat sealing layer 12 by extrusion lamination;

[0030] The heat sealing layer 12 is made of thermoplastic resin and can firmly seal the edge of the composite paper after lamination to improve the sealing performance.

[0031] In this embodiment, specifically: the moisture-absorbing layer 15 is composited with the stable and reinforced composite layer 201 by adhesive bonding; the stable and reinforced composite layer 201 includes a thermally stable layer 16, an anti-adhesion layer 17, and a buffer layer 18. The thermally stable layer 16 is composited with the anti-adhesion layer 17 by adhesive bonding, and the anti-adhesion layer 17 is composited with the buffer layer 18 by extrusion bonding.

[0032] The anti-adhesion layer 17 is a plastic film treated with silicone oil, which can improve the anti-adhesion property of the composite paper.

[0033] In this embodiment, specifically: the moisture absorbing layer 15 is compositely formed with the thermal stabilizing layer 16 by bonding;

[0034] The thermal stabilization layer 16 is used to improve the thermal stability of the composite paper in a high temperature environment and reduce the impact of high temperature on the composite paper.

[0035] In this embodiment, specifically: the buffer layer 18 is compositely formed with the adhesive layer 19 by bonding;

[0036] The buffer layer 18 is a highly elastic plastic film, which is used to provide additional buffering protection.

[0037] In this embodiment, specifically: the outer paper base layer 11, the heat sealing layer 12, the anti-bending composite layer 101, the stabilizing and reinforcing composite layer 201, the adhesive layer 19 and the inner paper base layer 20 are sequentially composited to obtain the environmentally friendly composite material paper.

[0038] The working principle or structural principle is that when in use, the outer paper base layer 11 can provide the basic strength and wear resistance of the composite paper, the heat sealing layer 12 can improve the sealing performance of the composite paper, the anti-bending composite layer 101 can enhance the overall strength and tear resistance of the composite paper, and improve the durability of the packaging, the stable reinforcement composite layer 201 can improve the thermal stability of the composite paper in a high temperature environment, and reduce the bending deformation caused by thermal expansion, and the inner paper base layer 20 is in direct contact with the food, which can improve the safety and hygiene of the food.

[0039] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. An environmentally friendly composite material paper, characterized in that: The invention comprises an outer paper base layer (11), an anti-bending composite layer (101), a stable and reinforced composite layer (201), a heat-sealing layer (12), an adhesive layer (19), and an inner paper base layer (20); the heat-sealing layer (12) is located between the outer paper base layer (11) and the anti-bending composite layer (101), and is composited with the outer paper base layer (11) and the anti-bending composite layer (101) by means of hot pressing; the adhesive layer (19) is located between the stable and reinforced composite layer (201) and the inner paper base layer (20), and is composited with the stable and reinforced composite layer (201) and the inner paper base layer (20) by means of bonding; and the anti-bending composite layer (101) is composited with the stable and reinforced composite layer (201) by means of bonding.

2. The environmentally friendly composite material paper according to claim 1, characterized in that: The anti-bending composite layer (101) comprises a polymer film barrier layer (13), a strength-enhancing layer (14) and a moisture-absorbing layer (15); the strength-enhancing layer (14) is located between the polymer film barrier layer (13) and the moisture-absorbing layer (15) and is composite-formed with the polymer film barrier layer (13) and the moisture-absorbing layer (15) respectively by bonding and composite.

3. The environmentally friendly composite material paper according to claim 2, characterized in that: The polymer film barrier layer (13) is composite-formed with the heat-sealing layer (12) by extrusion composite method.

4. The environmentally friendly composite material paper according to claim 3, characterized in that: The moisture absorbing layer (15) is composite-formed with the stabilizing and reinforcing composite layer (201) by means of bonding and composite.

5. The environmentally friendly composite material paper according to claim 4, characterized in that: The stabilized reinforced composite layer (201) comprises a thermally stable layer (16), an anti-adhesion layer (17) and a buffer layer (18); the thermally stable layer (16) is composite-formed with the anti-adhesion layer (17) by means of bonding composite, and the anti-adhesion layer (17) is composite-formed with the buffer layer (18) by means of extrusion composite.

6. The environmentally friendly composite material paper according to claim 5, characterized in that: The moisture absorbing layer (15) is composite-formed with the heat stabilizing layer (16) by bonding and compounding.

7. The environmentally friendly composite material paper according to claim 6, characterized in that: The buffer layer (18) is composite-formed with the bonding layer (19) by means of bonding and composite.

8. The environmentally friendly composite material paper according to claim 1, characterized in that: The outer paper base layer (11), heat sealing layer (12), anti-bending composite layer (101), stabilizing and reinforcing composite layer (201), adhesive layer (19), and inner paper base layer (20) are sequentially composited to obtain an environmentally friendly composite material paper.

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