CN220163407U - Multilayer composite PLA laminated paper - Google Patents
Multilayer composite PLA laminated paper Download PDFInfo
- Publication number
- CN220163407U CN220163407U CN202321519148.7U CN202321519148U CN220163407U CN 220163407 U CN220163407 U CN 220163407U CN 202321519148 U CN202321519148 U CN 202321519148U CN 220163407 U CN220163407 U CN 220163407U
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- China
- Prior art keywords
- layer
- pla
- cardboard
- layers
- paper
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- 239000002131 composite material Substances 0.000 title claims abstract description 27
- 239000000123 paper Substances 0.000 claims abstract description 43
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 20
- 239000000853 adhesive Substances 0.000 claims abstract description 15
- 230000001070 adhesive effect Effects 0.000 claims abstract description 15
- 239000011087 paperboard Substances 0.000 claims description 8
- 239000002028 Biomass Substances 0.000 claims description 7
- 239000012528 membrane Substances 0.000 claims description 5
- 238000009954 braiding Methods 0.000 claims description 3
- 239000000835 fiber Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims 1
- 239000011111 cardboard Substances 0.000 abstract description 27
- 238000009413 insulation Methods 0.000 abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 2
- 239000004626 polylactic acid Substances 0.000 description 27
- 229920000747 poly(lactic acid) Polymers 0.000 description 26
- 239000004698 Polyethylene Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 229920000573 polyethylene Polymers 0.000 description 3
- 239000011230 binding agent Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- -1 Polyethylene Polymers 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 229920005610 lignin Polymers 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920006381 polylactic acid film Polymers 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
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- Laminated Bodies (AREA)
Abstract
The utility model discloses a multilayer composite PLA laminated paper, which comprises a cardboard layer and a PLA laminated layer, wherein the cross section of the cardboard layer is of a wave-shaped structure, the cardboard layer is at least provided with two layers, two layers which are adjacent up and down are crisscrossed and are adhered together through an adhesive, the upper surface and the lower surface of the cardboard layer are respectively provided with a reinforcing layer, the reinforcing layer and the cardboard layer are adhered together through the adhesive, and the PLA laminated layer is wrapped on the outer surface of the composite paper formed by the cardboard layer and the reinforcing layer. The composite PLA laminated paper comprises at least two layers of cardboard layers, wherein the sections of the cardboard layers are wavy, the upper layer and the lower layer are arranged in a crisscross manner, the thickness is increased, the heat insulation performance is good, the cardboard layers are matched with the reinforcing layer, the strength of the composite PLA laminated paper is improved, and the PLA laminated layer wrapped on the outer surface has the functions of water resistance, oil resistance and high and low temperature resistance, is degradable, and does not pollute the environment.
Description
Technical Field
The utility model relates to the technical field of composite PLA laminated paper, in particular to multilayer composite PLA laminated paper.
Background
The coated paper is a composite material obtained by coating plastic particles on the surface of paper through a casting machine.
Under the background that plastic-forbidden and plastic-limited work is continuously pushed, the usage amount of disposable paper products is rapidly increased, but the paper products are not environment-friendly to a certain extent. Taking paper cups as an example, most of disposable paper cups widely used in the market at present are paper plastic cups, most of the laminated films used for manufacturing paper cups heretofore are Polyethylene (PE) plastic laminated films, the heat resistance is high, the heat resistance temperature is 80 ℃, most of application scene requirements can be met, but the disposable paper cups do not have natural degradation characteristics, so that the disposable paper cups cannot be decomposed in a landfill or recycled, PLA laminated paper appears on the market, polylactic acid (PLA) is a novel biodegradable material, tableware manufactured by adopting the PLA laminated paper can be self-degraded, environmental pollution is reduced, the supporting force is weak no matter the PE laminated paper or the PLA laminated paper in the prior art is, the disposable paper cups are easy to damage when containing heavy foods, and the heat insulation property is poor.
Disclosure of Invention
The utility model aims to solve the technical problems and provide the multilayer composite PLA laminated paper.
In order to solve the technical problems, the technical scheme provided by the utility model is as follows: the utility model provides a multilayer composite PLA drenches membrane paper, includes card ply and PLA drenches the membrane layer, card ply cross-section is the wave structure, card ply is equipped with two-layer at least, and upper and lower adjacent two-layer crisscross setting to bond together through the binder, card ply upper and lower surface all is equipped with the enhancement layer, and the enhancement layer passes through the binder with card ply to bond together, the composite paper surface parcel that card ply and enhancement layer constitute has PLA to drench the membrane layer.
Further, the thickness of the cardboard layer is not more than 1mm.
Further, the reinforcing layer adopts a PLA fiber braiding structure.
Further, the reinforcing layer has a thickness of not more than 1mm.
Further, the adhesive is a biomass adhesive.
Further, the PLA laminated layer is not more than 0.5mm thick.
Compared with the prior art, the utility model has the advantages that: the composite PLA laminated paper comprises at least two layers of cardboard layers, wherein the sections of the cardboard layers are wavy, the upper layer and the lower layer are arranged in a crisscross manner, the thickness is increased, the heat insulation performance is good, the cardboard layers are matched with the reinforcing layer, the strength of the composite PLA laminated paper is improved, and the PLA laminated layer wrapped on the outer surface has the functions of water resistance, oil resistance and high and low temperature resistance, is degradable, and does not pollute the environment.
Drawings
Fig. 1 is a schematic longitudinal section structure of a multilayer composite PLA coated paper of the present utility model.
Fig. 2 is a schematic structural view of a cardboard layer of a multilayer composite PLA coated paper of the present utility model.
As shown in the figure: 1. a card paper layer; 2. a PLA laminated layer; 3. a reinforcing layer.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the term "connected" should be interpreted broadly, and for example, it may be a fixed connection, a removable connection, or an integral connection; the specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
The multi-layer composite PLA laminated paper comprises a cardboard layer 1 and a PLA laminated layer 2, wherein the cross section of the cardboard layer 1 is of a wave-shaped structure, the cardboard layer 1 is at least provided with two layers (generally two layers are arranged), two layers which are adjacent to each other vertically and horizontally are arranged in a crisscross manner to form a crisscross structure and are bonded together through an adhesive, the upper surface and the lower surface of the cardboard layer 1 are respectively provided with a reinforcing layer 3, the reinforcing layers 3 and the cardboard layer 1 are bonded together through the adhesive, the adhesive is made of a biomass adhesive (starch/lignin biomass adhesive), and is made of a natural biomass material, so that the environment is not polluted, and the safety is high; the PLA laminated layer 2 is wrapped on the outer surface of the composite paper consisting of the cardboard layer 1 and the reinforcing layer 3; the reinforcing layer 3 adopts a PLA fiber braiding structure, and the paperboard layer 1 is reinforced from the transverse direction and the longitudinal direction, so that the strength of the multilayer composite PLA laminated paper is higher.
The thickness of the paperboard layer 1 is not more than 1mm.
The thickness of the reinforcing layer 3 is not more than 1mm.
The thickness of the PLA laminated layer 2 is not more than 0.5mm.
When the method is implemented, firstly, biomass adhesive is coated on the cardboard layer, two adjacent cardboard layers are stuck together in a cross staggered manner, then, a reinforcing layer is attached to the surface of the cardboard layer, the cardboard layer is stuck by coating the biomass adhesive, and finally, a PLA film is sprayed on the surface of the formed composite paper.
When the multilayer composite PLA laminated paper is used for tableware, such as cups, bowls and dishes, the bottom and the side wall are separated, the cardboard layer is cut according to the requirements, then the cardboard layer is bonded, the cardboard layer at the bottom and the side wall is bonded together, then the whole reinforcing layer is directly attached, and finally the PLA laminated paper is carried out, so that the manufactured tableware has high strength and good heat insulation property.
The utility model and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the utility model as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present utility model.
Claims (6)
1. The utility model provides a compound PLA of multilayer drenches membrane paper, includes card ply (1) and PLA drenches membrane layer (2), its characterized in that: the cross section of the paperboard layer (1) is of a wavy structure, the paperboard layer (1) is at least provided with two layers, two layers adjacent to each other up and down are arranged in a crisscross mode and are bonded together through adhesives, the upper surface and the lower surface of the paperboard layer (1) are both provided with reinforcing layers (3), the reinforcing layers (3) are bonded together with the paperboard layer (1) through adhesives, and the outer surface of a composite paper material formed by the paperboard layer (1) and the reinforcing layers (3) is wrapped with a PLA laminated layer (2).
2. The multilayer composite PLA coated paper of claim 1, wherein: the thickness of the paperboard layer (1) is not more than 1mm.
3. The multilayer composite PLA coated paper of claim 1, wherein: the reinforcing layer (3) adopts a PLA fiber braiding structure.
4. The multilayer composite PLA coated paper of claim 1, wherein: the thickness of the reinforcing layer (3) is not more than 1mm.
5. A multilayer composite PLA coated paper according to claim 1 or 3 or 4, characterized in that: the adhesive adopts biomass adhesive.
6. The multilayer composite PLA coated paper of claim 1, wherein: the thickness of the PLA laminated layer (2) is not more than 0.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321519148.7U CN220163407U (en) | 2023-06-15 | 2023-06-15 | Multilayer composite PLA laminated paper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321519148.7U CN220163407U (en) | 2023-06-15 | 2023-06-15 | Multilayer composite PLA laminated paper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220163407U true CN220163407U (en) | 2023-12-12 |
Family
ID=89056481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321519148.7U Active CN220163407U (en) | 2023-06-15 | 2023-06-15 | Multilayer composite PLA laminated paper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220163407U (en) |
-
2023
- 2023-06-15 CN CN202321519148.7U patent/CN220163407U/en active Active
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