CN219730830U - Cold-resistant PVC packaging film of low shrinkage force - Google Patents
Cold-resistant PVC packaging film of low shrinkage force Download PDFInfo
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- CN219730830U CN219730830U CN202223372379.8U CN202223372379U CN219730830U CN 219730830 U CN219730830 U CN 219730830U CN 202223372379 U CN202223372379 U CN 202223372379U CN 219730830 U CN219730830 U CN 219730830U
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- 239000012785 packaging film Substances 0.000 title claims abstract description 58
- 229920006280 packaging film Polymers 0.000 title claims abstract description 58
- 239000010410 layer Substances 0.000 claims abstract description 170
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 14
- 238000004321 preservation Methods 0.000 claims abstract description 13
- 239000011241 protective layer Substances 0.000 claims abstract description 8
- 238000009413 insulation Methods 0.000 claims abstract description 7
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 82
- 239000004800 polyvinyl chloride Substances 0.000 claims description 82
- 229920001903 high density polyethylene Polymers 0.000 claims description 11
- 239000004700 high-density polyethylene Substances 0.000 claims description 11
- 229920000742 Cotton Polymers 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 7
- 239000003607 modifier Substances 0.000 claims description 7
- 229920003023 plastic Polymers 0.000 claims description 7
- 239000004033 plastic Substances 0.000 claims description 7
- 239000012790 adhesive layer Substances 0.000 claims description 5
- 239000004793 Polystyrene Substances 0.000 claims description 4
- 229920006255 plastic film Polymers 0.000 claims description 4
- 239000002985 plastic film Substances 0.000 claims description 4
- 238000006116 polymerization reaction Methods 0.000 claims description 4
- 229920002223 polystyrene Polymers 0.000 claims description 4
- 239000002245 particle Substances 0.000 claims description 3
- 239000002344 surface layer Substances 0.000 claims description 3
- 239000000853 adhesive Substances 0.000 claims description 2
- 230000001070 adhesive effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 26
- 230000007246 mechanism Effects 0.000 abstract description 8
- 230000008901 benefit Effects 0.000 abstract description 7
- 230000002787 reinforcement Effects 0.000 abstract description 6
- 230000003068 static effect Effects 0.000 abstract description 3
- 230000002265 prevention Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 5
- 238000004806 packaging method and process Methods 0.000 description 4
- -1 polyethylene Polymers 0.000 description 4
- 230000008093 supporting effect Effects 0.000 description 4
- 239000003292 glue Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 208000033999 Device damage Diseases 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- 239000004566 building material Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000002313 adhesive film Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 230000009477 glass transition Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 229920001684 low density polyethylene Polymers 0.000 description 1
- 239000004702 low-density polyethylene Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004017 vitrification Methods 0.000 description 1
- 230000002087 whitening effect Effects 0.000 description 1
Landscapes
- Laminated Bodies (AREA)
- Wrappers (AREA)
Abstract
The utility model relates to a low-shrinkage cold-resistant PVC packaging film, which comprises a PVC packaging film base layer, wherein a protective layer and a tensile assembly are arranged outside the PVC packaging film base layer; the outside of the PVC packaging film base layer is provided with an insulation layer and a reinforcing layer; the protective layer consists of a wear-resistant layer and a cold-resistant layer, and the wear-resistant layer is positioned on the upper surface of the cold-resistant layer; the tensile component consists of an insulating layer and a connecting layer, and is positioned between the heat preservation layer and the cold-resistant layer. This cold-resistant PVC packaging film of low shrinkage force can keep apart cold-resistant layer surface through the wearing layer, and then play the effect of protection to cold-resistant layer surface, has the effect of heat preservation cold-resistant through cold-resistant layer, then through insulating layer and tie layer, make tensile mechanism have better resistance to drag, it is effectual to have reached the tensile, improve life's advantage, rethread heat preservation and reinforcement layer, can improve the whole waterproof of PVC packaging film basic unit, prevent static and fire prevention effect, effectively improve the life of PVC packaging film basic unit.
Description
Technical Field
The utility model relates to the technical field of PVC films, in particular to a low-shrinkage cold-resistant PVC packaging film.
Background
PVC is mainly composed of polyvinyl chloride, is yellowish semitransparent and glossy. The transparency is superior to polyethylene and polypropylene, is inferior to polystyrene, and is divided into soft and hard polyvinyl chloride according to the different usage amount of auxiliary agents, the soft product is soft and tough, the hand feeling is sticky, the hardness of the hard product is higher than that of low-density polyethylene, and is lower than that of polypropylene, whitening phenomenon can occur at the bending position, the PVC is a vacuum plastic film, and is used for surface packaging of various panels, so the PVC is also called as a decorative film and an adhesive film, and is applied to various industries such as building materials, packaging, medicines and the like. The PVC film has the advantages that the specific gravity of the building material industry is 60%, the packaging industry is the packaging industry, and other industries applied in a plurality of small ranges, the existing PVC film is simple in structure and low in strength, is easy to deform due to dragging, influences the use effect, is poor in cold resistance and low temperature resistance, and cannot meet the requirements of users.
In order to solve the problems, chinese patent publication No. CN209289885U discloses a high cold-resistant PVC film, which comprises a PVC base layer, wherein the surfaces of two sides of the PVC base layer are respectively covered with a first reinforcing net layer and a second reinforcing net layer, the PVC base layer is formed by mixing polyvinyl chloride with high polymerization degree, an ACR modifier and a high impact MBS material together, the ACR modifier is added, the ACR has excellent low-temperature impact strength and weather resistance, the appearance of a product can be improved, and the high impact MBS is added, so that the low-temperature brittleness of PVC materials is improved well due to lower vitrification temperature of the high impact MBS, thereby effectively improving the cold-resistant and low-temperature-resistant capabilities of the PVC film, prolonging the service life and improving the use effect of the PVC film.
Although the above embodiment can start a good improvement effect on the PVC packaging film, the tensile property of the PVC packaging film is relatively general and is easily torn, so that some parts of the article are easily exposed to the outside, and a low-shrinkage cold-resistant PVC packaging film is proposed to solve the above-mentioned problems.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides the low-shrinkage cold-resistant PVC packaging film which has the advantages of good tensile effect, prolonged service life and the like, and solves the problems that the PVC packaging film has relatively general tensile property and is easy to tear.
In order to achieve the purposes of good tensile effect and service life improvement, the utility model provides the following technical scheme: the low-shrinkage cold-resistant PVC packaging film comprises a PVC packaging film base layer, wherein a protective layer and a tensile assembly are arranged outside the PVC packaging film base layer; the outside of the PVC packaging film base layer is provided with an insulation layer and a reinforcing layer;
the protective layer consists of a wear-resistant layer and a cold-resistant layer, and the wear-resistant layer is positioned on the upper surface of the cold-resistant layer;
the tensile component consists of an insulating layer and a connecting layer, and is positioned between the heat preservation layer and the cold-resistant layer.
Further, a waterproof adhesive layer is arranged between the wear-resistant layer and the cold-resistant layer, and the wear-resistant layer and the cold-resistant layer are connected through the waterproof adhesive layer in an adhesive mode.
Further, the PVC packaging film base layer is formed by mixing PVC base layer with high polymerization degree polyvinyl chloride, ACR modifier and high impact MBS material.
Further, the wearing layer is made of rubber, particles are arranged on the surface layer of the wearing layer, and the shape of the particle-shaped object is semicircular.
Further, the cold-resistant layer is made of a polystyrene film, and the thickness of the cold-resistant layer is 0.3-0.5mm.
Further, the insulating layer is made of high-density polyethylene, the connecting layer is cotton thread, and the insulating layer and the connecting layer are crossed.
Further, the thickness of the heat preservation layer is 0.17mm, the reinforcing layer is made of antistatic PVC plastic, the antistatic PVC plastic is a vacuum plastic film, and the thickness of the reinforcing layer is 0.15mm.
Compared with the prior art, the utility model provides the low-shrinkage cold-resistant PVC packaging film, which has the following beneficial effects:
this cold-resistant PVC packaging film of low shrinkage force can keep apart cold-resistant layer surface through the wearing layer, and then play the effect of protection to cold-resistant layer surface, have the effect of heat preservation cold-resistant through cold-resistant layer, then through insulating layer and tie layer, and the insulating layer is high density polyethylene, because high density polyethylene has high strong supporting role, cooperate with the pliability of cotton thread, make tensile mechanism have better resistance to pulling, the advantage of tensile effect has been reached, improve life is good, rethread heat preservation and reinforcement layer, can improve the whole waterproof of PVC packaging film basic unit, prevent static, and fire prevention effect, effectively improve the life of PVC packaging film basic unit.
Drawings
FIG. 1 is a cross-sectional view of the structure of the present utility model;
fig. 2 is a schematic structural view of a waterproof adhesive layer according to the present utility model;
fig. 3 is a schematic view of a structure of a tension member according to the present utility model.
In the figure: 1PVC packaging film basic unit, 2 inoxidizing coating, 21 wearing layer, 22 cold-resistant layer, 3 tensile subassembly, 31 insulating layer, 32 tie coat, 4 heat preservation, 5 reinforcement layer, 6 waterproof glue film.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-3, a low-shrinkage cold-resistant PVC packaging film comprises a PVC packaging film base layer 1, wherein a protective layer 2 and a tension member 3 are provided outside the PVC packaging film base layer 1; the outside of the PVC packaging film base layer 1 is provided with an insulation layer 4 and a reinforcing layer 5; the protective layer 2 consists of a wear-resistant layer 21 and a cold-resistant layer 22, wherein the wear-resistant layer 21 is positioned on the upper surface of the cold-resistant layer 22; the tensile component 3 is composed of an insulating layer 31 and a connecting layer 32, the thickness of the heat preservation layer 4 is 0.17mm, the reinforcing layer 5 is antistatic PVC plastic, and the antistatic PVC plastic is a vacuum plastic film. The thickness of the reinforcing layer 5 is 0.15mm. Through heat preservation 4 and reinforcement layer 5, can improve whole waterproof, antistatic and the fireproof effect of PVC packaging film basic unit 1, effectively improve the life of PVC packaging film basic unit 1.
Wherein, the reinforcement layer 5 is the reticulate knot, and antistatic PVC plastics's surface hardness and erosion resistance are stronger simultaneously to can improve the protection effect of PVC packaging film basic unit 1, avoid PVC packaging film basic unit 1 when using, produce a large amount of static, so that arouse the phenomenon of conflagration.
The tensile member 3 is located between the insulation layer 4 and the cold resistant layer 22. The PVC packaging film base layer 1 is formed by mixing PVC base layer with high polymerization degree polyvinyl chloride, ACR modifier and high impact MBS material. By adding the ACR modifier, the ACR has excellent low-temperature impact strength and weather resistance, the appearance of the product can be improved, and the high-impact MBS is added, so that the low-temperature brittleness of the PVC material is improved well due to the lower glass transition temperature of the high-impact MBS, the cold-resistant and low-temperature-resistant capabilities of the PVC film are effectively improved, the service life of the PVC film is prolonged, and the use effect of the PVC film is improved.
It should be noted that, the ACR modifier and the high impact MBS material are both conventional technologies known to the public in the prior art, so specific structural components and working principles thereof are not repeated herein.
In this embodiment, a waterproof glue layer 6 is arranged between the wear-resistant layer 21 and the cold-resistant layer 22, and the wear-resistant layer 21 and the cold-resistant layer 22 are bonded and connected through the waterproof glue layer 6. The wear-resisting layer 21 is made of rubber, particles are arranged on the surface layer of the wear-resisting layer 21, and the shape of the particle-shaped object is semicircular. Through the granule, can make the surface of wearing layer 21 have certain unsmooth sense, the staff of being convenient for covers the device on the object to improve the result of use.
It can be understood that the surface of the cold-resistant layer 22 can be isolated through the wear-resistant layer 21, so that the surface of the cold-resistant layer 22 is protected, the cold-resistant effect of the cold-resistant layer 22 is improved, the heat-insulating and cold-resistant effects are realized through the cold-resistant layer 22, and the integral cold resistance of the PVC packaging film base layer 1 is further improved.
And, the outward appearance of wearing layer 21 scribbles the sticky layer, and the thickness of sticky layer is 0.1-0.2mm, can laminate PVC packaging film basic unit at product or wall through the sticky layer.
In this embodiment, the cold-resistant layer 22 is made of polystyrene film, and the thickness of the cold-resistant layer 22 is 0.3-0.5mm. The insulating layer 31 is made of high-density polyethylene, the connection layer 32 is cotton, and the insulating layer 31 and the connection layer 32 are crossed. Through insulating layer 31 and tie layer 32, and insulating layer 31 is high density polyethylene, because high density polyethylene has high strong supporting role, cooperate with the pliability of cotton thread, make tensile mechanism 3 have better resistance to pulling, prevent that the device from receiving the collision of external force and leading to the device damage, thereby avoid leading to the impaired object that the device covered, make tensile mechanism 3's resistance to pulling can play the guard action to the object, reached the tensile effectual, improve life's advantage.
It should be noted that, the reinforcing layer 5 is fixed on the outside of the PVC packaging film base layer 1, the heat insulation layer 4 is fixed on the outside of the reinforcing layer 5, and the upper and lower sides of the tensile member 3 are glued with the opposite sides of the cold-resistant layer 22 and the heat insulation layer 4, respectively.
When the PVC packaging film is used, the surface of the cold-resistant layer 22 can be isolated through the wear-resistant layer 21, the protection effect on the surface of the cold-resistant layer 22 is further achieved, the cold-resistant effect of the cold-resistant layer 22 is improved, the heat-insulating and cold-resistant effects are achieved through the cold-resistant layer 22, the integral cold resistance of the PVC packaging film base layer 1 is further improved, then the insulating layer 31 and the connecting layer 32 are formed by high-density polyethylene, the high-density polyethylene has a high-strength supporting effect and is matched with the flexibility of cotton threads, the tensile mechanism 3 has good pulling resistance, the device is prevented from being damaged due to the fact that the device is impacted by external force, the damage to an object covered by the device is avoided, the pulling resistance of the tensile mechanism 3 can play a protection role on the object, the advantages of good tensile effect and the service life are achieved, the integral waterproof, anti-static and fireproof effects of the PVC packaging film base layer 1 can be improved, and the service life of the PVC packaging film base layer 1 is effectively solved, and the problem that the tensile performance of the PVC packaging film is easy to be torn is more general.
The working principle of the embodiment is as follows:
this cold-resistant PVC packaging film of low shrinkage force can keep apart cold-resistant layer 22 surface through wearing layer 21, and then play the effect of protection to cold-resistant layer 22 surface, improve cold-resistant layer 22's cold-resistant effect, have the effect of heat preservation cold-resistant through cold-resistant layer 22, further improve PVC packaging film basic unit 1 holistic cold resistance, then through insulating layer 31 and tie layer 32, and insulating layer 31 is high density polyethylene, because high density polyethylene has high strong supporting role, with cotton thread's pliability matched with, make tensile mechanism 3 have better resistance to pulling, prevent that the device from receiving the collision of external force to lead to the device damage, thereby avoid leading to the object damage that the device covered, make tensile mechanism 3's resistance to pulling can play the guard action to the object, the advantage of having reached the tensile effectual, improve life, rethread insulating layer 4 and reinforcement layer 5, can improve PVC packaging film basic unit 1's whole waterproof, static-proof, and fireproof effect, effectively improve PVC packaging film basic unit 1's life.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a cold-resistant PVC packaging film of low shrinkage force, includes PVC packaging film basic unit (1), its characterized in that: the PVC packaging film is characterized in that a protective layer (2) and a tensile assembly (3) are arranged outside the PVC packaging film base layer (1); an insulation layer (4) and a reinforcing layer (5) are arranged outside the PVC packaging film base layer (1);
the protective layer (2) consists of a wear-resistant layer (21) and a cold-resistant layer (22), and the wear-resistant layer (21) is positioned on the upper surface of the cold-resistant layer (22);
the tensile assembly (3) is composed of an insulating layer (31) and a connecting layer (32), and the tensile assembly (3) is located between the heat preservation layer (4) and the cold-resistant layer (22).
2. A low shrink cold resistant PVC packaging film according to claim 1, wherein: a waterproof adhesive layer (6) is arranged between the wear-resistant layer (21) and the cold-resistant layer (22), and the wear-resistant layer (21) and the cold-resistant layer (22) are connected through the waterproof adhesive layer (6) in an adhesive mode.
3. A low shrink cold resistant PVC packaging film according to claim 1, wherein: the PVC packaging film base layer (1) is formed by mixing PVC base layer with high polymerization degree polyvinyl chloride, ACR modifier and high impact MBS material.
4. A low shrink cold resistant PVC packaging film according to claim 1, wherein: the wear-resistant layer (21) is made of rubber, particles are arranged on the surface layer of the wear-resistant layer (21), and the shape of the particle-shaped object is semicircular.
5. A low shrink cold resistant PVC packaging film according to claim 1, wherein: the cold-resistant layer (22) is made of polystyrene film, and the thickness of the cold-resistant layer (22) is 0.3-0.5mm.
6. A low shrink cold resistant PVC packaging film according to claim 1, wherein: the insulating layer (31) is made of high-density polyethylene, the connecting layer (32) is cotton thread, and the insulating layer (31) and the connecting layer (32) are crossed.
7. A low shrink cold resistant PVC packaging film according to claim 1, wherein: the thickness of the heat preservation layer (4) is 0.17mm, the reinforcing layer (5) is made of antistatic PVC plastic, the antistatic PVC plastic is a vacuum plastic film, and the thickness of the reinforcing layer (5) is 0.15mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223372379.8U CN219730830U (en) | 2022-12-15 | 2022-12-15 | Cold-resistant PVC packaging film of low shrinkage force |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223372379.8U CN219730830U (en) | 2022-12-15 | 2022-12-15 | Cold-resistant PVC packaging film of low shrinkage force |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219730830U true CN219730830U (en) | 2023-09-22 |
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ID=88054992
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223372379.8U Active CN219730830U (en) | 2022-12-15 | 2022-12-15 | Cold-resistant PVC packaging film of low shrinkage force |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219730830U (en) |
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2022
- 2022-12-15 CN CN202223372379.8U patent/CN219730830U/en active Active
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