CN212708426U - Composite paperboard and carton - Google Patents
Composite paperboard and carton Download PDFInfo
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- CN212708426U CN212708426U CN202020574662.0U CN202020574662U CN212708426U CN 212708426 U CN212708426 U CN 212708426U CN 202020574662 U CN202020574662 U CN 202020574662U CN 212708426 U CN212708426 U CN 212708426U
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Abstract
The utility model relates to a packing box technical field provides a compound cardboard and carton. The composite paperboard comprises a first paperboard layer, a second paperboard layer and a buffer layer, wherein the buffer layer is arranged between the first paperboard layer and the second paperboard layer; first cardboard layer orientation one side of buffer layer is equipped with first polyurea dope layer just first cardboard layer passes through first polyurea dope layer with the buffer layer bonds, and/or, second cardboard layer orientation one side of buffer layer is equipped with second polyurea dope layer just second cardboard layer passes through the second polyurea dope layer with the buffer layer bonds. The utility model discloses a compound cardboard has not only effectively promoted the surface shock resistance of compound cardboard, has improved the overall structure intensity of compound cardboard moreover.
Description
Technical Field
The utility model relates to a packing box technical field especially relates to a compound cardboard and carton.
Background
A packing box for the external of household appliances is mainly made of paperboards. The existing paperboard is influenced by various aspects such as structure, material and the like, so that the problems that the surface of the paperboard is weak in impact resistance, the paperboard is poor in waterproof performance, the paperboard glue is easy to crack under the influence of the environment and the like are caused, and finally the packaging box loses the due protection function.
In order to improve the protection function of the packaging box, designers often adopt solutions such as increasing paper corner protectors, adopting EPP (expanded polypropylene) material protection blocks, even setting two layers of cartons and the like, but the solutions not only increase the packaging cost, but also greatly increase the time for assembling the parts and influence the assembly efficiency.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least.
Therefore, the utility model provides a compound cardboard can effectively promote surface shock resistance.
The utility model discloses still provide a carton.
According to the utility model discloses compound cardboard of first aspect embodiment, include:
a first paperboard layer;
a second paperboard layer;
a cushioning layer disposed between the first paperboard layer and the second paperboard layer;
first cardboard layer orientation one side of buffer layer is equipped with first polyurea dope layer just first cardboard layer passes through first polyurea dope layer with the buffer layer bonds, and/or, second cardboard layer orientation one side of buffer layer is equipped with second polyurea dope layer just second cardboard layer passes through the second polyurea dope layer with the buffer layer bonds.
According to the utility model discloses compound cardboard, laminate first paperboard layer, buffer layer and second paperboard layer in proper order and form compound cardboard, be used for bonding the buffer layer through setting up first polyurea dope layer on first paperboard layer, and/or set up the second polyurea dope layer on second paperboard layer and be used for bonding the buffer layer, not only can effectively promote the surperficial shock resistance of compound cardboard, improved the overall structure intensity of compound cardboard moreover.
According to the utility model discloses an embodiment, the buffer layer is including the at least one paper core layer that sets gradually, each laminate each other between the paper core layer. Through set up at least one paper core layer between first cardboard layer and second cardboard layer, can increase cardboard elasticity for can cushion when the cardboard receives the impact and unload the power, further improved the surface shock resistance and the overall structure intensity of compound cardboard.
According to the utility model discloses an embodiment, adjacent two be equipped with the viscose layer between the paper sandwich layer, two the paper sandwich layer passes through the viscose layer bonds. Through set up the viscose layer between two adjacent refill layers, can provide the adhesion for two refill layers, make two refill layers closely laminate, prevent the fracture.
According to the utility model discloses an embodiment, adjacent two be equipped with the third polyurea dope layer between the sandwich layer, two the sandwich layer passes through the third polyurea dope layer bonds. Through set up the third polyurea dope layer between two adjacent refill layer, not only can provide stronger adhesive force for two refill layers, further improved the whole shock resistance and the structural strength of compound cardboard moreover.
According to an embodiment of the present invention, the paper core layer is a corrugated paper layer, a honeycomb paper layer or a foam paper layer.
According to an embodiment of the invention, the side of the first paperboard layer facing away from the buffer layer is provided with a first flame-retardant coating.
According to an embodiment of the invention, the side of the second cardboard layer facing away from the buffer layer is provided with a second flame retardant coating.
According to the utility model discloses an embodiment, first cardboard layer dorsad one side of buffer layer is equipped with the fourth polyurea dope layer.
According to the utility model discloses an embodiment, the second cardboard layer dorsad one side of buffer layer is equipped with the fifth polyurea dope layer.
According to the utility model discloses carton of second aspect embodiment, including the compound cardboard of above-mentioned embodiment. Because the carton adopts above-mentioned compound cardboard to make, can effectively promote the shock resistance on carton surface, improve the overall structure intensity of carton to for the object in the carton provides better protective effect, need not to set up other supplementary package assembly parts during the carton assembly moreover, assembly efficiency is higher, has reduced the packing cost simultaneously.
The embodiment of the utility model provides an in above-mentioned one or more technical scheme, one of following technological effect has at least:
the utility model discloses compound cardboard, adopt first paperboard layer, buffer layer and second paperboard layer laminate in proper order and form overall structure's cardboard, through set up first polyurea dope layer on first paperboard layer and be used for bonding the buffer layer, and/or through set up second polyurea dope layer on second paperboard layer and be used for bonding the buffer layer, not only effectively promoted compound cardboard's surface shock resistance, and then improved compound cardboard's overall structure intensity, polyurea dope layer's adhesive force is stronger simultaneously, difficult fracture after bonding between each structural layer of cardboard, and water-proof effects is better.
Further, the buffer layer is laminated each other by at least one refill layer and is constituted to increased the elasticity of cardboard, make the cardboard receive effectively to cushion when assaulting and unload the power, further improved the surface shock resistance and the overall structure intensity of cardboard.
Further, through set up the viscose layer between two adjacent paper sandwich layers, can provide the adhesion for two paper sandwich layers to make two paper sandwich layers can closely laminate, prevent the fracture.
Furthermore, through setting up the third polyurea coating layer between two adjacent paper sandwich layers, not only can provide stronger adhesive force for two paper sandwich layers, further improved the whole shock resistance and the structural strength of compound cardboard moreover.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
Fig. 1 is a schematic structural diagram of a composite paperboard provided in an embodiment of the present invention;
fig. 2 is another schematic structural diagram of a composite paperboard provided by an embodiment of the present invention;
fig. 3 is another schematic structural diagram of a composite paperboard provided by an embodiment of the present invention;
fig. 4 is another schematic structural diagram of a composite paperboard provided by an embodiment of the present invention;
fig. 5 is another schematic structural diagram of the composite paperboard provided by the embodiment of the present invention.
In the figure: 100: a first paperboard layer; 200: a second paperboard layer; 300: a buffer layer; 301: a paper core layer; 301A: a corrugated paper layer; 301B: a honeycomb paper layer; 301C: a foam paper layer; 400: a first polyurea coating layer; 500: a second polyurea coating layer; 600: a first adhesive layer; 700: a second adhesive layer; 800: a third adhesive layer; 900: a third polyurea coating layer.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
In the description of the embodiments of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the embodiments of the present invention and simplifying the description, but 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 thus should not be construed as limiting the embodiments of the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the embodiments of the present invention can be understood in specific cases by those skilled in the art.
In embodiments of the invention, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of an embodiment of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
As shown in fig. 1 to 5, an embodiment of the present invention provides a composite paperboard, including: the paperboard comprises a first paperboard layer 100, a second paperboard layer 200 and a buffer layer 300, wherein the buffer layer 300 is arranged between the first paperboard layer 100 and the second paperboard layer 200, and the first paperboard layer 100, the buffer layer 300 and the second paperboard layer 200 are sequentially attached.
Wherein, the side of the first paperboard layer 100 facing the buffer layer 300 is provided with a first polyurea paint layer 400, and the first paperboard layer 100 is adhered to the buffer layer 300 through the first polyurea paint layer 400. And/or, the side of the second paperboard layer 200 facing the buffer layer 300 is provided with a second polyurea paint layer 500, and the second paperboard layer 200 is adhered to the buffer layer 300 through the second polyurea paint layer 500.
Because the polyurea coating has the characteristics of strong adhesive force, friction resistance and strong hardness, compared with the traditional glue, the polyurea coating has stronger adhesive property, structural strength and water resistance when being used as a coating. Therefore, the embodiment of the utility model provides an inboard through at least one paperboard layer in first paperboard layer 100 and second paperboard layer 200 sets up the polyurea dope layer, not only can realize the powerful bonding between paperboard layer and buffer layer 300 for paperboard layer and buffer layer 300 are difficult for the fracture after the bonding, have effectively promoted the surface shock resistance of compound cardboard moreover, and then have improved the overall structure intensity of compound cardboard, can also effectively promote the whole waterproof performance of compound cardboard.
Specifically, as shown in fig. 1, in one embodiment, a first polyurea paint layer 400 may be disposed on a side of the first paperboard layer 100 facing the cushioning layer 300, and a first adhesive layer 600 may be disposed on a side of the second paperboard layer 200 facing the cushioning layer 300. At this time, the first paperboard layer 100 serves as an outer layer of the composite paperboard, and the second paperboard layer 200 serves as an inner layer of the composite paperboard.
Wherein the first adhesive layer 600 is used to achieve adhesion between the second paperboard layer 200 and the cushioning layer 300. First polyurea dope layer 400 not only can provide stronger adhesive force between first cardboard layer 100 and buffer layer 300, when first cardboard layer 100 was as the skin of compound cardboard moreover, can effectively promote the surface shock resistance of compound cardboard through the setting of first polyurea dope layer 400, and then improved the overall structure intensity of compound cardboard, still made the waterproof performance of compound cardboard better.
As shown in fig. 2, in another specific embodiment, a second polyurea paint layer 500 may be provided on the side of the second paperboard layer 200 facing the surge layer 300, and a second adhesive layer 700 may be provided on the side of the first paperboard layer 100 facing the surge layer 300. At this time, the second paperboard layer 200 serves as an outer layer of the composite paperboard, and the first paperboard layer 100 serves as an inner layer of the composite paperboard.
Wherein the second adhesive layer 700 is used to achieve adhesion between the first paperboard layer 100 and the cushioning layer 300. The second polyurea coating layer 500 not only can provide stronger bonding force between the second paperboard layer 200 and the buffer layer 300, but also can effectively improve the surface impact resistance of the composite paperboard through the arrangement of the second polyurea coating layer 500 when the second paperboard layer 200 is taken as the outer layer of the composite paperboard, so that the overall structural strength of the composite paperboard is improved, and the waterproof performance of the composite paperboard is better.
As shown in fig. 3, in another specific embodiment, a first polyurea paint layer 400 may be provided on the side of the first paperboard layer 100 facing the surge layer 300, while a second polyurea paint layer 500 may be provided on the side of the second paperboard layer 200 facing the surge layer 300. At this time, either one of the first and second paperboard layers 100 and 200 may be used as an outer layer of the composite paperboard.
Wherein, not only can provide stronger adhesive force for between first cardboard layer 100, buffer layer 300 and the second cardboard layer 200 through first polyurea coating layer 400 and second polyurea coating layer 500, the surface shock resistance of promotion compound cardboard that moreover can be better through the setting of these two-layer polyurea coating layer, and then improve the overall structure intensity of compound cardboard, still make the waterproof performance of compound cardboard better.
In some embodiments of the present invention, the cushioning layer 300 includes at least one paper core layer 301. That is, the cushioning layer 300 may include one or more paper core layers 301 according to actual use requirements. When the cushioning layer 300 includes a plurality of paper core layers 301, the paper core layers 301 are sequentially attached to each other.
Through set up at least one paper core layer 301 between first cardboard layer 100 and second cardboard layer 200, can increase the cardboard elasticity for can cushion when the cardboard receives the impact and unload the power, further improve the surface shock resistance and the overall structure intensity of compound cardboard.
In some embodiments of the present invention, the paper core layer 301 may be a corrugated paper layer, a honeycomb paper layer or a foam paper layer according to actual use requirements. Corrugated paper layers, honeycomb paper layers or foam paper layers are adopted as the paper core layer 301, so that the paper core not only can provide better buffering performance, but also is lower in cost, lighter in quality and easy to process and manufacture.
For example, as shown in fig. 1 to 3, the cushioning layer 300 includes a paper core layer 301, and the paper core layer 301 is a corrugated paper layer. The corrugated paper layer includes a corrugated paperboard including a plurality of crest portions and a plurality of trough portions, wherein each crest portion is bonded to the first paperboard layer 100, and each trough portion is bonded to the second paperboard layer 200.
For example, as shown in fig. 4, the cushioning layer 300 includes two paper layers 301, wherein one paper layer 301 is a corrugated paper layer 301A, and the other paper layer 301 is a honeycomb paper layer 301B. In which a corrugated paper layer 301A is bonded to the first paperboard layer 100 and a honeycomb paper layer 301B is bonded to the second paperboard layer 200.
For another example, as shown in fig. 5, the cushioning layer 300 includes three paper core layers 301, and the three paper core layers 301 include a honeycomb paper layer 301B, a corrugated paper layer 301A, and a foam paper layer 301C from top to bottom. Wherein the honeycomb paper layer 301B is bonded to the first paperboard layer 100 and the foam paper layer 301C is bonded to the second paperboard layer 200.
Of course, the paper core layer 301 with other structural forms may be adopted to form the cushioning layer 300 according to the actual use requirement.
In some embodiments of the present invention, when the buffer layer 300 includes a plurality of paper core layers 301, a third adhesive layer 800 may be disposed between two adjacent paper core layers 301, and the two adjacent paper core layers 301 are bonded by the third adhesive layer 800. As shown in fig. 4, a third adhesive layer 800 may be disposed between the corrugated paper layer 301A and the honeycomb paper layer 301B.
Through set up third viscose layer 800 between two adjacent refill layers 301, can provide adhesive force for between each refill layer 301, make closely laminating between each refill layer 301, prevent the fracture.
In some embodiments of the present invention, when the buffer layer 300 includes a plurality of paper core layers 301, a third polyurea coating layer 900 may be disposed between two adjacent paper core layers 301, and two adjacent paper core layers 301 are bonded by the third polyurea coating layer 900. As shown in fig. 5, a third polyurea paint layer 900 may be disposed between the honeycomb paper layer 301B and the corrugated paper layer 301A, and between the corrugated paper layer 301A and the foam paper layer 301C, respectively.
By arranging the third polyurea coating layer 900 between the two adjacent paper core layers 301, stronger bonding force can be provided between the paper core layers 301, and the overall impact resistance and structural strength of the composite paperboard are further improved.
In some embodiments of the present invention, a first flame retardant coating (not shown in the figure) may be disposed on a side of the first paperboard layer 100 opposite to the buffer layer 300, and the first paperboard layer 100 is used as an outer layer of the composite paperboard, so as to provide good flame retardant property for the outer side of the composite paperboard.
In some embodiments of the present invention, a second flame retardant coating (not shown in the figures) may also be provided on the side of the second paperboard layer 200 facing away from the buffer layer 300. And the flame retardant property of the composite paperboard is further improved by arranging the second flame retardant coating.
In some embodiments of the present invention, a fourth polyurea coating layer (not shown in the figure) can be disposed on one side of the first paperboard layer 100 opposite to the buffer layer 300, and at this time, the first paperboard layer 100 can be used as the outer layer of the composite paperboard, so as to further improve the surface impact resistance and the overall structural strength of the composite paperboard.
In some embodiments of the present invention, a fifth polyurea coating layer (not shown in the figure) can be further disposed on one side of the second paperboard layer 200, which faces away from the buffer layer 300, and at this time, the second paperboard layer 200 can be used as the outer layer of the composite paperboard, so as to further improve the surface impact resistance and the overall structural strength of the composite paperboard.
The embodiment of the utility model provides a still provide a carton, including the compound cardboard of above-mentioned embodiment. Because this carton adopts the compound cardboard of above-mentioned embodiment to make, can effectively promote the shock resistance on carton surface, improve the overall structure intensity of carton, improved the waterproof performance of carton simultaneously to provide better protecting effect for the product in the carton, need not to set up other supplementary package assembly parts during the carton assembly moreover, assembly efficiency is higher, has reduced the manufacturing cost of carton simultaneously, and then has reduced the packing cost of product.
The utility model discloses carton is applicable to the packing protection of various domestic appliance products, is particularly useful for the packing protection of white household electrical appliances products such as refrigerator, washing machine, air conditioner.
The above embodiments are merely illustrative, and not restrictive, of the present invention. Although the present invention has been described in detail with reference to the embodiments, it should be understood by those skilled in the art that various combinations, modifications or equivalent substitutions may be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention, and all of the technical solutions should be covered by the scope of the claims of the present invention.
Claims (10)
1. A composite paperboard, comprising:
a first paperboard layer;
a second paperboard layer;
a cushioning layer disposed between the first paperboard layer and the second paperboard layer;
first cardboard layer orientation one side of buffer layer is equipped with first polyurea dope layer just first cardboard layer passes through first polyurea dope layer with the buffer layer bonds, and/or, second cardboard layer orientation one side of buffer layer is equipped with second polyurea dope layer just second cardboard layer passes through the second polyurea dope layer with the buffer layer bonds.
2. The composite paperboard of claim 1, wherein said cushion layer comprises at least one core layer disposed in sequence, said core layers being attached to one another.
3. The composite paperboard according to claim 2, wherein an adhesive layer is arranged between two adjacent paperboard core layers, and the two paperboard core layers are bonded through the adhesive layer.
4. The composite paperboard according to claim 2, wherein a third polyurea coating layer is arranged between two adjacent paperboard core layers, and the two paperboard core layers are bonded through the third polyurea coating layer.
5. The composite paperboard according to any one of claims 2 to 4, wherein said paper core layer is a corrugated paper layer, a honeycomb paper layer or a foam paper layer.
6. Composite cardboard according to any of the claims 1 to 4, characterized in that the side of the first cardboard layer facing away from the breaker layer is provided with a first flame-retardant coating.
7. Composite cardboard according to any of the claims 1 to 4, characterized in that the side of the second cardboard layer facing away from the breaker layer is provided with a second flame-retardant coating.
8. Composite paperboard according to any one of claims 1 to 4, characterised in that the side of the first paperboard layer facing away from the surge layer is provided with a fourth polyurea paint layer.
9. Composite paperboard according to any one of claims 1 to 4, characterised in that the side of the second paperboard layer facing away from the surge layer is provided with a fifth polyurea paint layer.
10. A carton, comprising: composite paperboard according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020574662.0U CN212708426U (en) | 2020-04-16 | 2020-04-16 | Composite paperboard and carton |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020574662.0U CN212708426U (en) | 2020-04-16 | 2020-04-16 | Composite paperboard and carton |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212708426U true CN212708426U (en) | 2021-03-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020574662.0U Active CN212708426U (en) | 2020-04-16 | 2020-04-16 | Composite paperboard and carton |
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|---|---|
| CN (1) | CN212708426U (en) |
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2020
- 2020-04-16 CN CN202020574662.0U patent/CN212708426U/en active Active
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