Corrosion-resistant degradable corrugated board

Abstract

The utility model discloses a corrosion-resistant degradable corrugated board which comprises an upper-layer paper board, a wavy middle-layer paper board and a lower-layer paper board which are bonded with one another, and in the process that the corrugated board is in contact with water to be corroded, a waterproof coating is arranged, so that the upper surface and the lower surface of the rubble paper board can be subjected to first waterproofing; by arranging the waterproof thin film layer, the upper surface and the lower surface of the middle-layer paperboard can be subjected to second waterproofing, so that the water corrosion resistance is improved; and meanwhile, a plurality of first reinforcing belts and a plurality of second reinforcing belts are arranged to form a grid shape, so that the structure of the corrugated board is reinforced, and the rubble paperboard is not prone to being damaged under the conditions of friction, water soaking and the like.

Description

TECHNICAL FIELD

[0001] The utility model relates to corrugated paperboard technical field, in particular to a kind of corrosion-resistant degradable corrugated paperboard. BACKGROUND

[0002] The main components of corrugated paperboard are cellulose and starch, which are natural plant components. These components are biodegradable and renewable, so corrugated paperboard itself has good biodegradability and can naturally decompose without polluting the environment.

[0003] The packaging box made of corrugated paperboard is prone to water corrosion during use, which affects the packaging performance of the packaging box. Although some corrugated paperboards are coated with waterproof paint on the surface to make the surface of the corrugated paperboard have certain waterproof performance and avoid water corrosion, the packaging box made of corrugated paperboard is prone to friction and other situations during transportation, and the waterproof layer on the surface is easily damaged, resulting in unsatisfactory corrosion resistance in actual use. SUMMARY

[0004] The utility model aims at providing a kind of corrosion-resistant degradable corrugated paperboard, with the effect of improving corrosion resistance.

[0005] The above technical purpose of the utility model is realized by the following technical scheme: a kind of corrosion-resistant degradable corrugated paperboard, including mutually adhered upper layer paperboard, wave-shaped middle layer paperboard, lower layer paperboard, the upper surface of the upper layer paperboard, the lower surface of the lower layer paperboard is respectively provided with waterproof coating;The side of the upper layer paperboard close to the middle layer paperboard, the side of the lower layer paperboard close to the middle layer paperboard is respectively provided with waterproof film layer;The wave of the middle layer paperboard located above and below is defined as upper protrusion, lower protrusion, a plurality of first recessed grooves are arranged on the upper protrusion, a plurality of second recessed grooves are arranged on the lower protrusion, first reinforcing tape is adhered and arranged between the corresponding first recessed grooves of a plurality of upper protrusions and between the corresponding second recessed grooves of a plurality of lower protrusions, a plurality of second reinforcing tapes are arranged between a plurality of first reinforcing tapes and adhered to each other;The waterproof film layer of the upper layer paperboard is adhered to the upper protrusion and the second reinforcing tape of the middle layer paperboard, and the waterproof film layer of the lower layer paperboard is adhered to the lower protrusion and the second reinforcing tape of the middle layer paperboard.

[0006] By adopting the above technical scheme, in the process of the corrugated board contacting water and being corroded, the waterproof coating is arranged to realize the first waterproof of the upper and lower surfaces of the corrugated board, the waterproof film layer is arranged to realize the second waterproof of the upper and lower surfaces of the middle layer paperboard, so as to improve the water corrosion resistance; meanwhile, the plurality of first reinforcing belts and the plurality of second reinforcing belts are arranged to form a grid shape, so as to strengthen the structure of the corrugated board, and the corrugated board will not be easily damaged in the case of friction, soaking and the like.

[0007] The further arrangement of the utility model is that the second reinforcing belt sequentially passes through the plurality of first reinforcing belts in the extending direction, and the combination of the first reinforcing belt and the second reinforcing belt after being bonded is bonded between the middle layer paperboard and the upper layer paperboard or between the middle layer paperboard and the lower layer paperboard in the processing process.

[0008] By adopting the above technical scheme, the second reinforcing belt sequentially passes through the plurality of first reinforcing belts, so as to improve the structural strength of the combination of the plurality of first reinforcing belts and the plurality of second reinforcing belts after being bonded, and improve the structural strength of the corrugated board.

[0009] The further arrangement of the utility model is that the adjacent two upper protrusions and the adjacent two lower protrusions are respectively provided with the thermal insulation cotton strips.

[0010] By adopting the above technical scheme, the thermal insulation cotton strips are arranged to improve the thermal insulation effect of the corrugated board, so as to improve the thermal insulation effect of the packaging box used in the thermal insulation field.

[0011] The further arrangement of the utility model is that the first reinforcing belt is provided with the plurality of extending pieces for being bonded on the two sides of the first recessed groove or the two sides of the second recessed groove.

[0012] By adopting the above technical scheme, the arrangement of the extending pieces on the first reinforcing belt can further improve the structural stability of the first reinforcing belt and the middle layer paperboard after being bonded. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 is a partial structure sectional view of the utility model;

[0014] Figure 2 is Figure 1 is a partial enlarged schematic view of A in the middle;

[0015] Figure 3 is a partial structure schematic view of the first reinforcing belt and the second reinforcing belt in the utility model.

[0016] Fig. 1 is an upper layer of paperboard; 2 is a middle layer of paperboard; 21 is an upper protrusion; 211 is a first recessed groove; 22 is a lower protrusion; 221 is a second recessed groove; 3 is a lower layer of paperboard; 4 is a waterproof coating; 5 is a waterproof film layer; 6 is a first reinforcing tape; 61 is an extension piece; 7 is a second reinforcing tape; 8 is a thermal insulation cotton strip. DETAILED DESCRIPTION

[0017] The utility model will be further explained in detail below in combination with the drawings.

[0018] Embodiment: a kind of corrosion-resistant degradable type corrugated paperboard, as shown in Fig. Figure 1 And Figure 2 It includes upper layer paperboard 1, middle layer paperboard 2 in wave shape and lower layer paperboard 3 adhered to each other.The upper surface of upper layer paperboard 1 and the lower surface of lower layer paperboard 3 are respectively provided with waterproof coating 4;the side of upper layer paperboard 1 close to middle layer paperboard 2 and the side of lower layer paperboard 3 close to middle layer paperboard 2 are respectively provided with waterproof film layer 5.

[0019] The wave on the upper and lower of middle layer paperboard 2 is defined as upper protrusion 21 and lower protrusion 22 respectively, a plurality of first recessed grooves 211 are arranged on the upper protrusion 21, a plurality of second recessed grooves 221 are arranged on the lower protrusion 22, first reinforcing tape 6 is adhered between the corresponding first recessed grooves 211 of a plurality of upper protrusions 21 and the corresponding second recessed grooves 221 of a plurality of lower protrusions 22, and second reinforcing tape 7 adhered to the first reinforcing tape 6 is arranged between a plurality of first reinforcing tapes 6.Second reinforcing tape 7 passes a plurality of first reinforcing tapes 6 in turn from top to bottom along its extension direction, and the combination of first reinforcing tape 6 and second reinforcing tape 7 adhered is adhered between middle layer paperboard 2 and upper layer paperboard 1 or between middle layer paperboard 2 and lower layer paperboard 3 during processing.Meanwhile, a plurality of extension pieces 61 for adhering to the two sides of first recessed groove 211 or second recessed groove 221 are arranged on first reinforcing tape 6.

[0020] The waterproof film layer 5 of upper layer paperboard 1 is adhered to upper protrusion 21 and second reinforcing tape 7 of middle layer paperboard 2, and the waterproof film layer 5 of lower layer paperboard 3 is adhered to lower protrusion 22 and second reinforcing tape 7 of middle layer paperboard 2.Meanwhile, thermal insulation cotton strip 8 is arranged between adjacent two upper protrusions 21 and between adjacent two lower protrusions 22 respectively.

[0021] Implementation effect: in the process of corrugated paperboard contact with water and corrosion, by setting waterproof coating 4 can realize the first waterproof of the upper and lower surface of the debris paperboard, by setting waterproof film layer 5 can realize the second waterproof of the upper and lower surface of the middle layer paperboard 2, thereby improving the corrosion resistance of water; At the same time, the grid shape is formed by the setting of multiple first reinforcing belts 6 and multiple second reinforcing belts 7, so as to strengthen the structure of the corrugated paperboard, so that the debris paperboard will not be easily damaged in the case of friction, soaking and other conditions.

[0022] The second reinforcing belt 7 passes through the multiple first reinforcing belts 6 in sequence, thereby improving the structural strength of the combination after the multiple first reinforcing belts 6 and the multiple second reinforcing belts 7 are bonded, and improving the structural strength of the debris paperboard. The setting of the thermal insulation cotton strip 8 can improve the heat preservation effect of the corrugated paperboard, thereby improving the heat preservation effect of the packaging box used in the heat preservation field. The setting of the extension piece 61 on the first reinforcing belt 6 can further improve the structural stability of the first reinforcing belt 6 and the middle layer paperboard 2 after bonding.

[0023] The specific embodiment is only an explanation of the utility model, and is not a limitation of the utility model. Those skilled in the art can make modifications to the embodiment without creative contribution after reading the specification, but as long as it is within the scope of the claims of the utility model, it is protected by the patent law.

Claims

1. A kind of corrosion-resistant degradable type corrugated paperboard, including mutually adhered upper layer paperboard (1), middle layer paperboard (2) in wave shape, lower layer paperboard (3), it is characterized in that: The upper surface of the upper layer paperboard (1), the lower surface of the lower layer paperboard (3) is provided with waterproof coating (4) respectively; The side of the upper layer paperboard (1) close to the middle layer paperboard (2), the side of the lower layer paperboard (3) close to the middle layer paperboard (2) is provided with waterproof film layer (5) respectively; The wave of the middle layer paperboard (2) located above and below is defined as upper protrusion (21), lower protrusion (22), a plurality of first recessed grooves (211) are arranged on the upper protrusion (21), a plurality of second recessed grooves (221) are arranged on the lower protrusion (22), first reinforcing band (6) is adhered and arranged between the corresponding first recessed groove (211) of a plurality of upper protrusions (21), the corresponding second recessed groove (221) between a plurality of lower protrusions (22), a plurality of first reinforcing band (6) is provided with second reinforcing band (7) that the first reinforcing band (6) is adhered; The waterproof film layer (5) of the upper layer paperboard (1) is adhered on the upper protrusion (21) of the middle layer paperboard (2), second reinforcing band (7), the waterproof film layer (5) of the lower layer paperboard (3) is adhered on the lower protrusion (22) of the middle layer paperboard (2), second reinforcing band (7).

2. The corrosion resistant degradable corrugated paperboard according to claim 1, characterized in that: The second reinforcing band (7) sequentially passes a plurality of first reinforcing band (6) in its extension direction, the combination of the first reinforcing band (6) and second reinforcing band (7) after adhering, is adhered between the middle layer paperboard (2) and the upper layer paperboard (1) in the processing process, or adhered between the middle layer paperboard (2) and the lower layer paperboard (3).

3. The corrosion resistant degradable corrugated paperboard according to claim 1, characterized in that: Thermal insulation cotton bar (8) is arranged between adjacent two upper protrusions (21), between adjacent two lower protrusions (22) respectively.

4. The corrosion resistant degradable type corrugated paperboard according to claim 1, characterized in that: A plurality of extension pieces (61) for being adhered on the two sides of the first recessed groove (211) or the two sides of the second recessed groove (221) are arranged on the first reinforcing band (6).

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