CN220350552U - Composite buffer cushion - Google Patents
Composite buffer cushion Download PDFInfo
- Publication number
- CN220350552U CN220350552U CN202322054866.8U CN202322054866U CN220350552U CN 220350552 U CN220350552 U CN 220350552U CN 202322054866 U CN202322054866 U CN 202322054866U CN 220350552 U CN220350552 U CN 220350552U
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- China
- Prior art keywords
- concave
- layer
- kraft
- thermoplastic layer
- convex
- Prior art date
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- 239000002131 composite material Substances 0.000 title claims abstract description 25
- 239000000872 buffer Substances 0.000 title description 13
- 229920001169 thermoplastic Polymers 0.000 claims abstract description 43
- 239000002655 kraft paper Substances 0.000 claims abstract description 37
- 239000004416 thermosoftening plastic Substances 0.000 claims abstract description 34
- -1 polyethylene Polymers 0.000 claims description 16
- 239000004698 Polyethylene Substances 0.000 claims description 5
- 239000004743 Polypropylene Substances 0.000 claims description 5
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 5
- 229920001707 polybutylene terephthalate Polymers 0.000 claims description 5
- 229920000573 polyethylene Polymers 0.000 claims description 5
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 5
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 5
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 5
- 229920001155 polypropylene Polymers 0.000 claims description 5
- 239000004677 Nylon Substances 0.000 claims description 4
- 239000004793 Polystyrene Substances 0.000 claims description 4
- 239000004676 acrylonitrile butadiene styrene Substances 0.000 claims description 4
- 239000011159 matrix material Substances 0.000 claims description 4
- 229920001778 nylon Polymers 0.000 claims description 4
- 239000004417 polycarbonate Substances 0.000 claims description 4
- 229920000515 polycarbonate Polymers 0.000 claims description 4
- 239000004800 polyvinyl chloride Substances 0.000 claims description 4
- XECAHXYUAAWDEL-UHFFFAOYSA-N acrylonitrile butadiene styrene Chemical compound C=CC=C.C=CC#N.C=CC1=CC=CC=C1 XECAHXYUAAWDEL-UHFFFAOYSA-N 0.000 claims description 3
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 claims description 3
- 229920013636 polyphenyl ether polymer Polymers 0.000 claims description 3
- 229920002223 polystyrene Polymers 0.000 claims description 3
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 3
- 230000003139 buffering effect Effects 0.000 abstract description 6
- 239000005022 packaging material Substances 0.000 abstract description 2
- 238000005096 rolling process Methods 0.000 description 10
- 239000000463 material Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000004806 packaging method and process Methods 0.000 description 4
- 239000002985 plastic film Substances 0.000 description 4
- 239000004721 Polyphenylene oxide Substances 0.000 description 3
- 239000000123 paper Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229920001955 polyphenylene ether Polymers 0.000 description 2
- 229920006380 polyphenylene oxide Polymers 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 239000006173 Good's buffer Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
Abstract
The utility model relates to the technical field of cushioning packaging materials, and discloses a composite cushion pad which comprises a kraft layer and a thermoplastic layer, wherein the kraft layer and the thermoplastic layer are overlapped, the kraft layer is adhered to the thermoplastic layer, the kraft layer is arranged above the thermoplastic layer, the kraft layer is provided with a plurality of first concave-convex parts, each first concave-convex part comprises a first upper convex part and a first lower concave part, the thermoplastic layer is provided with a plurality of second concave-convex parts, each second concave-convex part comprises a second upper convex part and a second lower concave part, the first upper convex parts and the second upper convex parts are in one-to-one correspondence, the second upper convex parts are sleeved on the first upper convex parts in a matched mode, the second lower concave parts and the second lower concave parts are in one-to-one correspondence, and the second lower concave parts are sleeved on the first lower concave parts in a matched mode. The utility model has higher hardness and good buffering effect.
Description
Technical Field
The utility model relates to the technical field of buffer packaging, in particular to a composite buffer pad
Background
When the articles are packaged and transported, buffer materials are arranged in the packaging boxes to avoid damage to the articles due to collision, and the plastic foaming materials widely used at present are difficult to recycle, so that serious pollution to the environment is caused, and the packaging boxes are gradually forbidden in developed countries. Paper and paper products which are easy to recycle are used as cushioning packaging materials in the packaging industry, however, the hardness of the cushioning pad which is generally made of paper is generally low, and the cushioning pad cannot maintain a given shape once being easily deformed under pressure, so that the cushioning effect is poor.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a composite buffer cushion with higher hardness and good buffer effect.
In order to achieve the above object, the utility model provides a composite cushion pad, which comprises a kraft layer and a thermoplastic layer, wherein the kraft layer and the thermoplastic layer are overlapped and are bonded, the kraft layer is arranged above the thermoplastic layer, the kraft layer is provided with a plurality of first concave-convex parts, the first concave-convex parts comprise a first upper convex part and a first lower concave part, the thermoplastic layer is provided with a plurality of second concave-convex parts, the second concave-convex parts comprise a second upper convex part and a second lower concave part, the first upper convex part and the second upper convex part are in one-to-one correspondence, the second upper convex part is sleeved on the first upper convex part in a matched manner, the second lower concave part and the second lower concave part are in one-to-one correspondence, and the second lower concave part is sleeved on the first lower concave part in a matched manner.
As a preferable mode of the present utility model, the first upper convex portions and the first lower concave portions are alternately arranged.
As a preferred embodiment of the present utility model, the first concave-convex portions are arranged in a matrix.
As a preferable scheme of the utility model, the thermoplastic layer is made of one of polyethylene, polyvinyl chloride, polybutylene terephthalate, nylon, polymethyl methacrylate, polycarbonate, polypropylene, acrylonitrile-butadiene-styrene, polystyrene, polyethylene terephthalate and polyphenyl ether.
As a preferable mode of the present utility model, the first upper convex portion and the first lower concave portion are each in a semicircular spherical shape.
Compared with the prior art, the composite buffer pad has the beneficial effects that: the composite buffer pad is provided with the overlapped kraft paper layer and the thermoplastic plastic layer, the kraft paper layer is provided with the first upper convex part and the first lower concave part, and the thermoplastic plastic layer is provided with the second upper convex part and the second lower concave part, namely, the top and the bottom of the composite buffer pad can play a role in buffering, and the buffer effect is good; when the thermoplastic layer is heated and then softened, adhesion between the thermoplastic layer and the kraft layer is facilitated, and meanwhile, the thermoplastic layer is rolled to form a second upper convex part and a second lower concave part, and after being cooled, the thermoplastic layer is hardened, so that the overall hardness of the composite cushion pad is higher, the composite cushion pad can keep a given shape when being pressed, and the composite cushion pad is ensured to have a buffering effect.
Drawings
FIG. 1 is a block diagram of the present utility model;
FIG. 2 is a cross-sectional view of the present utility model;
in the figure, 1, a kraft layer; 11. a first concave-convex portion; 111. a first upper convex portion; 112. a first concave portion; 2. a thermoplastic layer; 21. a second concave-convex portion; 211. a second upper convex portion; 212. the second concave portion.
Detailed Description
The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model 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 "center," "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the present utility model as indicated by the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, but do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model, and furthermore, the terms "first," "second," "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 1-2, a composite cushion according to a preferred embodiment of the present utility model includes a kraft layer 1 and a thermoplastic layer 2, the kraft layer 1 and the thermoplastic layer 2 are overlapped, the kraft layer 1 and the thermoplastic layer 2 are bonded, the kraft layer 1 is disposed above the thermoplastic layer 2, the kraft layer 1 is provided with a plurality of first concave-convex portions 11, the first concave-convex portions 11 include a first upper convex portion 111 and a first lower concave portion 112, the thermoplastic layer 2 is provided with a plurality of second concave-convex portions 21, the second concave-convex portions 21 include a second upper convex portion 211 and a second lower concave portion 212, the first upper convex portion 111 and the second upper convex portion 211 are in one-to-one correspondence, the second upper convex portion 211 is sleeved on the first upper convex portion 111 in a matching manner, the second lower concave portion 212 and the second lower concave portion 212 are sleeved on the first lower concave portion 112 in a matching manner.
The preparation process of this example is: firstly, kraft paper is laminated on a thermoplastic plastic film, then the kraft paper and the thermoplastic plastic film are heated, and simultaneously, two rolling rollers (a first rolling roller and a second rolling roller) are used for rolling the kraft paper and the thermoplastic plastic film, so that the kraft paper and the thermoplastic plastic film are adhered together to form a kraft paper layer 1 and a thermoplastic plastic layer 2, the two rolling rollers are respectively provided with an upper convex part and a lower concave part which are in one-to-one correspondence (namely, the upper convex part of the first rolling roller corresponds to the lower concave part of the second rolling roller, and the lower concave part of the first rolling roller corresponds to the upper convex part of the second rolling roller), and therefore, after rolling, the kraft paper layer 1 forms a first concave-convex part 11, and the thermoplastic plastic layer 2 forms a second concave-convex part 21; the composite buffer pad is provided with the overlapped kraft layer 1 and the thermoplastic layer 2, the kraft layer 1 is provided with the first upper convex part 111 and the first lower concave part 112, and the thermoplastic layer 2 is provided with the second upper convex part 211 and the second lower concave part 212, namely, the top and the bottom of the composite buffer pad can play a role in buffering, and the buffering effect is good; when the thermoplastic layer 2 is heated, it will soften, which is helpful to adhere to the kraft layer 1, and simultaneously is helpful to be rolled to form the second upper convex part 211 and the second lower concave part 212, when the thermoplastic layer 2 is cooled, it will harden, thus the overall hardness of the composite cushion pad is higher, when the composite cushion pad is pressed, the predetermined shape can be maintained, and the buffer effect of the composite cushion pad is ensured.
Illustratively, the thermoplastic layer 2 is made of one of polyethylene, polyvinyl chloride, polybutylene terephthalate, nylon, polymethyl methacrylate, polycarbonate, polypropylene, acrylonitrile-butadiene-styrene, polystyrene, polyethylene terephthalate and polyphenylene oxide, and the material is softened after being heated and can adhere to the kraft layer 1 and the thermoplastic layer 2, in addition, the thermoplastic layer 2 and the kraft layer 1 are conveniently rolled together to form the second concave-convex part 21, and the material is hardened after being cooled, so that the overall hardness of the composite cushion is higher, the heat distortion temperature of the material is as shown in the following table, the ignition point of kraft paper is generally 130-180 ℃, and the heat distortion temperature of the material is basically smaller than the ignition point of kraft paper, and the heat distortion of the thermoplastic layer 2 can be basically realized only by a lower temperature (such as 100 ℃).
| Thermoplastic plastics | Heat distortion temperature (DEG C) | |
| 1 | Polyvinyl chloride (PVC) | 54～79 |
| 2 | Polybutylene terephthalate (PBT) | 60～65 |
| 3 | Nylon (PA) | 65～75 |
| 4 | Polymethyl methacrylate (PMMA) | 68～99 |
| 5 | Polyethylene (PE) | 29～126 |
| 6 | Polycarbonate (PC) | 39～148 |
| 7 | Polypropylene (PP) | 40～152 |
| 8 | Acrylonitrile-butadiene-styrene (ABS) | 66～107 |
| 9 | Polystyrene (PS) | 63～112 |
| 10 | Polyethylene terephthalate (PET) | 80～100 |
| 11 | Polyphenylene ether (PPO/PPE) | 100～128 |
Illustratively, the first upper protrusions 111 and the first lower recesses 112 are alternately arranged, so that the first upper protrusions 111 and the second lower recesses 212 are uniformly distributed, so that the composite cushion can have a uniform cushion effect as a whole, and the second upper protrusions 211 and the second lower recesses 212 are also alternately arranged because the second upper protrusions 211 and the first upper protrusions 111 are in one-to-one correspondence and the second lower recesses 212 are in one-to-one correspondence.
The first reliefs 11 are illustratively arranged in a matrix such that the first reliefs 11 are uniformly disposed on the kraft layer 1, it being understood that the second reliefs 21 are likewise arranged in a matrix.
Illustratively, the first upper convex portion 111 and the first lower concave portion 112 are respectively in a semicircular shape, which can provide a good buffering effect.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present utility model, and these modifications and substitutions should also be considered as being within the scope of the present utility model.
Claims (5)
1. A composite cushion, characterized by: including kraft layer and thermoplastic layer, the kraft layer with thermoplastic layer overlaps the setting, just the kraft layer with thermoplastic layer bonds, the kraft layer is located thermoplastic layer's top, the kraft layer is equipped with a plurality of first concave-convex parts, first concave-convex part includes first convex part and first concave part down, thermoplastic layer is equipped with a plurality of second concave-convex parts, second concave-convex part includes second convex part and second concave part down, first convex part with the second is gone up the convex part one-to-one, just the second is gone up the convex part and is overlapped with the cover and establish on the first convex part, the second concave part with the second concave part one-to-one down, just the second concave part is overlapped with the cover and is established with the second concave part on the first concave part down.
2. The composite cushion of claim 1, wherein: the first upper convex portions and the first lower concave portions are alternately arranged.
3. The composite cushion of claim 1, wherein: the first concave-convex portions are arranged in a matrix.
4. The composite cushion of claim 1, wherein: the thermoplastic layer is made of one of polyethylene, polyvinyl chloride, polybutylene terephthalate, nylon, polymethyl methacrylate, polycarbonate, polypropylene, acrylonitrile-butadiene-styrene, polystyrene, polyethylene terephthalate and polyphenyl ether.
5. The composite cushion of claim 2, wherein: the first upper convex part and the first lower concave part are respectively in a semicircle sphere shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322054866.8U CN220350552U (en) | 2023-08-01 | 2023-08-01 | Composite buffer cushion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322054866.8U CN220350552U (en) | 2023-08-01 | 2023-08-01 | Composite buffer cushion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220350552U true CN220350552U (en) | 2024-01-16 |
Family
ID=89503516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322054866.8U Active CN220350552U (en) | 2023-08-01 | 2023-08-01 | Composite buffer cushion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220350552U (en) |
-
2023
- 2023-08-01 CN CN202322054866.8U patent/CN220350552U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |