CN216733364U - Double-layer plastic film with good heat preservation performance - Google Patents
Double-layer plastic film with good heat preservation performance Download PDFInfo
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- CN216733364U CN216733364U CN202220112700.XU CN202220112700U CN216733364U CN 216733364 U CN216733364 U CN 216733364U CN 202220112700 U CN202220112700 U CN 202220112700U CN 216733364 U CN216733364 U CN 216733364U
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Abstract
The utility model belongs to the technical field of plastic film production, in particular to the field of double-layer plastic films with good heat preservation performance, which comprises a plastic film body, wherein the plastic film body comprises an upper plastic film layer, an interlayer plastic film layer, a lower plastic film layer and a heat preservation layer, the interlayer plastic film comprises an upper layer, a plastic base layer and a lower connection layer, the heat preservation layer comprises an air layer and a foam layer, the upper waterproof layer is arranged at the lower end of the upper wear-resistant layer, the upper anti-pressure layer is arranged at the lower end of the upper waterproof layer, the lower anti-moisture layer is arranged at the upper end of the lower wear-resistant layer, the lower anti-pressure layer is arranged at the upper end of the lower anti-moisture layer, an air interlayer is formed in a fabric through the arrangement of an air layer with an inner fabric structure, a middle fabric and an outer fabric structure, the heat preservation effect is further achieved, the water absorption rate of the double-layer plastic film is low through a closed pore structure of the foam layer, and the vapor permeation resistance is strong, through setting up two sets of heat preservation simultaneously, further improve the thermal insulation performance of plastic film body.
Description
Technical Field
The utility model belongs to the technical field of plastic film production, and particularly relates to a double-layer plastic film with good heat preservation performance.
Background
As a big country of agricultural production in China, along with the development and progress of society, the living standard of people is gradually improved, so that the demand on plants such as vegetables, flowers and the like is higher and higher, and the production efficiency of the vegetables, the flowers and the like needs to be improved by using a plastic film, wherein the double-layer plastic film can be widely applied to the agricultural production due to the excellent performance of the double-layer plastic film.
The double-layer plastic film also has important significance for growth, yield increase and income increase of greenhouse crops.
SUMMERY OF THE UTILITY MODEL
The existing double-layer plastic film has poor heat insulation performance and cannot meet the requirements of modern agricultural production. The utility model provides a double-layer plastic film with good heat preservation performance, which is characterized in that an air interlayer is formed in a fabric through an air layer which is provided with an inner fabric structure, a middle fabric structure and an outer fabric structure, so that the heat preservation effect is achieved, the water absorption rate of the double-layer plastic film is low through a closed pore structure of a foam layer, the vapor permeation resistance is strong, and the heat preservation performance of a plastic film body is further improved through arranging two groups of heat preservation layers at the same time.
The utility model provides the following technical scheme: a double-layer plastic film with good heat preservation performance comprises a plastic film body, wherein the plastic film body comprises an upper plastic film, an interlayer plastic film, a lower plastic film and a heat preservation layer, the upper plastic film comprises a wear-resistant upper layer, a waterproof upper layer and a compression-resistant upper layer, the interlayer plastic film comprises an upper layer, a plastic base layer and a lower layer, the lower plastic film comprises a wear-resistant lower layer, a moisture-proof lower layer and a compression-resistant lower layer, the heat-insulating layer comprises an air layer and a foam layer, the upper waterproof layer is arranged at the lower end of the upper wear-resistant layer, the upper anti-pressure layer is arranged at the lower end of the upper waterproof layer, the damp-proof lower layer is arranged at the upper end of the wear-resistant lower layer, the compression-resistant lower layer is arranged at the upper end of the damp-proof lower layer, the connection lower layer is arranged at the upper end of the heat insulation layer, and the connection upper layer is arranged at the upper end of the plastic base layer.
The upper plastic film is arranged at the upper end of the heat insulation layer, the thickness of the upper plastic film is the same as that of the lower plastic film, the wear-resistant upper layer is a biaxially oriented polypropylene film layer, and the thickness of the wear-resistant upper layer is 40 micrometers; through the setting on wear-resisting upper strata for improve the wearability of plastic film body, wear-resisting upper strata has that matter is light, nontoxic, odorless, dampproofing, mechanical strength is high simultaneously, and then is used for guaranteeing the effect that the plastic film body used.
The waterproof upper layer is arranged between the wear-resistant upper layer and the compression-resistant upper layer and is a polyethylene layer; through the setting of waterproof upper strata for improve the waterproof performance of plastic film body, waterproof upper strata is insoluble in general solvent at normal atmospheric temperature simultaneously, and the hydroscopicity is little moreover, and then avoids because of the plastic film body is because of absorbing the reduction that moisture is more and cause the temperature, thereby ensures the good thermal insulation performance of plastic film body.
The upper pressure-resistant layer is arranged at the upper end of the heat-insulating layer and is a heat-resistant polyester layer, and the thickness of the upper pressure-resistant layer is the same as that of the lower pressure-resistant layer; through the setting on the upper layer of resistance to compression for strengthen the compressive strength of plastic film body, durable, the elasticity is good, non-deformable, corrosion-resistant through what heat resistance dacron layer had simultaneously, be used for improving the application scope and the flexibility of use of plastic film body.
The interlayer plastic film is arranged between the two heat-insulating layers, the thicknesses of the upper layer and the lower connecting layer are the same, and the upper layer and the lower connecting layer are both EVA hot melt adhesive layers; through the setting of connecting the upper strata and being connected the lower floor for carry out mutual adhesion with two sets of heat preservation, it is big simultaneously through EVA hot melt adhesive's cohesion, and melting surface tension is little, has good resistance to chemicals, thermal stability, weatherability and electrical property moreover, is used for improving the stability that the plastic film body used.
The lower plastic film is arranged at the lower end of the heat insulation layer, the wear-resistant lower layer is a biaxially oriented polypropylene film layer, the thickness of the wear-resistant lower layer is 40 micrometers, and the compression-resistant lower layer is a heat-resistant polyester layer; through the setting of wear-resisting lower floor for further improve the wearability of plastic film body, through the setting of resistance to compression lower floor, be used for further strengthening the compressive strength of plastic film body, and then improve security and the stability that the plastic film body used.
The damp-proof lower layer is arranged between the wear-resistant lower layer and the compression-resistant lower layer, and is a low-pressure polyethylene film layer; through the setting of dampproofing lower floor for improve the dampproofing effect of plastic film body, low pressure polyethylene film has good heat resistance and cold resistance simultaneously, and chemical stability is good, still has higher rigidity and toughness, mechanical strength good, and then toughness and mechanical strength that has through dampproofing lower floor, further improves the security and the stability that the plastic film body used.
The insulation layers are arranged in two groups, the two groups of insulation layers are symmetrically arranged at the upper end and the lower end of the interlayer plastic film, the air layer and the foam layer are arranged in a staggered manner, the air layer and the foam layer are both arranged in an arc structure, and the foam layer is a phenolic foam layer; have the fabric structure setting of inside, middle and outside three through the air bed, form the air interlayer in the fabric, and then play heat retaining effect, the obturator structure that has through the foam blanket makes its water absorption rate low, and it is strong to prevent steam permeability, through setting up two sets of heat preservation layers simultaneously, further improves the thermal insulation performance of plastic film body.
The utility model has the beneficial effects that: through the arrangement of the upper wear-resistant layer, the plastic film body is used for improving the wear resistance of the plastic film body, meanwhile, the upper wear-resistant layer has the advantages of light weight, no toxicity, no odor, moisture resistance and high mechanical strength, and is further used for ensuring the use effect of the plastic film body, through the arrangement of the upper waterproof layer, the waterproof performance of the plastic film body is improved, meanwhile, the upper waterproof layer is insoluble in common solvents at normal temperature, and the water absorption is small, so that the temperature reduction caused by more moisture absorption of the plastic film body is avoided, the good heat insulation performance of the plastic film body is ensured, through the arrangement of the upper waterproof layer, the compressive strength of the plastic film body is enhanced, meanwhile, the heat-resistant polyester layer has the advantages of firmness, durability, good elasticity, difficult deformation and corrosion resistance, is used for improving the application range and the use flexibility of the plastic film body, through the arrangement of the upper layer and the lower connection layer, the plastic film body is used for being mutually bonded with two groups of heat insulation layers, meanwhile, the EVA hot melt adhesive has large cohesive force and small melt surface tension, and has excellent chemical resistance, thermal stability, weather resistance and electrical performance, is used for improving the use stability of the plastic film body, is used for further improving the wear resistance of the plastic film body by the arrangement of the wear-resistant lower layer, is used for further enhancing the compressive strength of the plastic film body by the arrangement of the compression-resistant lower layer, further improves the use safety and stability of the plastic film body, is used for improving the moisture-proof effect of the plastic film body by the arrangement of the moisture-proof lower layer, simultaneously has good heat resistance and cold resistance and good chemical stability, also has higher rigidity and toughness and good mechanical strength, further improves the use safety and stability of the plastic film body by the toughness and mechanical strength of the moisture-proof lower layer, and has a lining, a layer and a layer of air, a layer of air and a layer of air layer, The fabric structure of middle and outer three pieces sets up, forms the air interlayer in the fabric, and then plays heat retaining effect, and the obturator structure that has through the foam blanket makes its water absorption rate low, and anti steam permeability is strong, through setting up two sets of heat preservation layers simultaneously, further improves the thermal insulation performance of plastic film body.
The parts of the device not involved are the same as or can be implemented using prior art.
Drawings
FIG. 1 is a schematic cross-sectional view of the present invention;
FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;
FIG. 3 is a schematic front view of the present invention;
FIG. 4 is a schematic cross-sectional view of the upper plastic film according to the present invention;
in the figure: 1. a plastic film body; 2. an upper plastic film; 21. a wear-resistant upper layer; 22. a waterproof upper layer; 23. a pressure resistant upper layer; 3. an interlayer plastic film; 31. connecting the upper layer; 32. a plastic base layer; 33. connecting the lower layer; 4. a lower plastic film; 41. a wear-resistant lower layer; 42. a moisture-proof lower layer; 43. a compression-resistant lower layer; 5. a heat-insulating layer; 51. an air layer; 52. a foam layer.
Detailed Description
Referring to fig. 1-4, the present invention provides the following technical solutions: the utility model provides a double-deck plastic film with good heat preservation performance, includes plastic film body 1, plastic film body 1 includes upper plastic film 2, intermediate layer plastic film 3, lower floor's plastic film 4, heat preservation 5, upper plastic film 2 includes wear-resisting upper 21, waterproof upper 22, resistance to compression upper 23, intermediate layer plastic film 3 includes upper 31, plastics basic layer 32, connects lower floor 33, lower floor's plastic film 4 includes wear-resisting lower floor 41, dampproofing lower floor 42, resistance to compression lower floor 43, heat preservation 5 includes air bed 51, foam layer 52, waterproof upper 22 sets up in the position of wear-resisting upper 21 lower extreme, resistance to compression upper 23 sets up in the position of waterproof upper 22 lower extreme, dampproofing lower floor 42 sets up in the position of wear-resisting lower floor 41 upper end, resistance to compression lower floor 43 sets up in dampproofing lower floor 42 position, it sets up in the position of heat preservation 5 upper end to connect lower floor 33, the upper layer 31 is disposed at a position above the plastic base layer 32.
In this embodiment: the upper plastic film 2 is arranged at the upper end of the heat preservation layer 5, the thickness of the upper plastic film 2 is the same as that of the lower plastic film 4, the wear-resistant upper layer 21 is a biaxially oriented polypropylene film layer, and the thickness of the wear-resistant upper layer 21 is 40 micrometers; through the setting of wear-resisting upper strata 21 for improve the wearability of plastic film body 1, wear-resisting upper strata 21 has that matter is light, nontoxic, odorless, dampproofing, mechanical strength is high simultaneously, and then is used for guaranteeing the effect that plastic film body 1 used.
The waterproof upper layer 22 is arranged between the wear-resistant upper layer 21 and the compression-resistant upper layer 23, and the waterproof upper layer 22 is a polyethylene layer; through the setting of waterproof upper strata 22 for improve the waterproof performance of plastic film body 1, waterproof upper strata 22 is insoluble in general solvent at ordinary temperature simultaneously, and the hydroscopicity is little moreover, and then avoids because of plastic film body 1 is because of absorbing the reduction that moisture is more and cause the temperature, thereby ensures the good thermal insulation performance of plastic film body 1.
The upper pressure-resistant layer 23 is arranged at the upper end of the heat-insulating layer 5, the upper pressure-resistant layer 23 is a heat-resistant polyester layer, and the thickness of the upper pressure-resistant layer 23 is the same as that of the lower pressure-resistant layer 43; through the setting of anti upper strata 23 for strengthen plastic film body 1's compressive strength, durable, the elasticity is good, non-deformable, corrosion-resistant through what heat resistance dacron layer had simultaneously, be used for improving plastic film body 1's application scope and the flexibility of use.
The interlayer plastic film 3 is arranged between the two groups of heat preservation layers 5, the thicknesses of the upper layer 31 and the lower layer 33 are the same, and the upper layer 31 and the lower layer 33 are both EVA hot melt adhesive layers; through connecting upper 31 and the setting of being connected lower floor 33 for bond each other with two sets of heat preservation 5, it is big simultaneously through EVA hot melt adhesive's cohesion, and melting surface tension is little, has good resistance to chemicals, thermal stability, weatherability and electrical property moreover, is used for improving the stability that plastic film body 1 used.
The lower plastic film 4 is arranged at the lower end of the heat preservation layer 5, the wear-resistant lower layer 41 is a biaxially oriented polypropylene film layer, the thickness of the wear-resistant lower layer 41 is 40 micrometers, and the pressure-resistant lower layer 43 is a heat-resistant polyester layer; through the setting of wear-resisting lower floor 41 for further improve the wearability of plastic film body 1, through the setting of resistance to compression lower floor 43, be used for further strengthening the compressive strength of plastic film body 1, and then improve the security and the stability that plastic film body 1 used.
The moisture-proof lower layer 42 is arranged between the wear-resistant lower layer 41 and the compression-resistant lower layer 43, and the moisture-proof lower layer 42 is a low-pressure polyethylene film layer; through the setting of dampproofing lower floor 42 for improve the dampproofing effect of plastic film body 1, low pressure polyethylene film has good heat resistance and cold resistance simultaneously, and chemical stability is good, still has higher rigidity and toughness, mechanical strength good, and then toughness and mechanical strength that has through dampproofing lower floor 42, further improves the security and the stability that plastic film body 1 used.
The two groups of the heat-insulating layers 5 are symmetrically arranged at the upper end and the lower end of the interlayer plastic film 3, the air layers 51 and the foam layers 52 are arranged in a staggered manner, the air layers 51 and the foam layers 52 are both arranged in an arc structure, and the foam layers 52 are phenolic foam layers; have inside, in, three outer fabric construction settings through air bed 51, form the air interlayer in the fabric, and then play heat retaining effect, the obturator structure that has through foam layer 52 makes its water absorption rate low, and it is strong to prevent steam permeability, through setting up two sets of heat preservation 5 simultaneously, further improves the thermal insulation performance of plastic film body 1.
The working principle and the using process of the utility model are as follows: when the plastic film body 1 is used, the wear-resisting upper layer 21 is arranged for improving the wear resistance of the plastic film body 1, meanwhile, the wear-resisting upper layer 21 is light in weight, non-toxic, odorless, moistureproof and high in mechanical strength, and further is used for guaranteeing the use effect of the plastic film body 1, the waterproof performance of the plastic film body 1 is improved through the arrangement of the waterproof upper layer 22, meanwhile, the waterproof upper layer 22 is insoluble in common solvents at normal temperature and is small in water absorption, so that the temperature reduction caused by the fact that the plastic film body 1 absorbs more moisture is avoided, the good heat insulation performance of the plastic film body 1 is guaranteed, the compressive strength of the plastic film body 1 is enhanced through the arrangement of the compressive upper layer 23, and meanwhile, the heat-resisting terylene layer is firm and durable, good in elasticity, not prone to deformation and corrosion-resistant, and is used for improving the application range and the use flexibility of the plastic film body 1, through the arrangement of the upper layer 31 and the lower layer 33, the plastic film is used for mutually adhering with two groups of heat preservation layers 5, meanwhile, the cohesive force of the EVA hot melt adhesive is large, the melting surface tension is small, the plastic film has excellent chemical resistance, thermal stability, weather resistance and electric performance, the use stability of the plastic film body 1 is improved, through the arrangement of the wear-resistant lower layer 41, the wear resistance of the plastic film body 1 is further improved, through the arrangement of the compression-resistant lower layer 43, the compression strength of the plastic film body 1 is further enhanced, the use safety and stability of the plastic film body 1 are further improved, through the arrangement of the moisture-proof lower layer 42, the moisture-proof effect of the plastic film body 1 is improved, meanwhile, the low-pressure polyethylene film has good heat resistance and cold resistance, good chemical stability, higher rigidity and toughness and mechanical strength are also realized, and further, through the toughness and mechanical strength of the moisture-proof lower layer 42, the safety and the stability of further improving the use of plastic film body 1, have the fabric structure setting of inside, in, three outer pieces through air bed 51, form the air interlayer in the fabric, and then play heat retaining effect, the obturator structure that has through foam blanket 52 makes its water absorption rate low, and vapor permeation resistance is strong, through setting up two sets of heat preservation 5 simultaneously, further improves the thermal insulation performance of plastic film body 1.
Claims (8)
1. A double-layer plastic film with good heat preservation performance is characterized in that: including the plastic film body, the plastic film body includes upper plastic film, interstratified plastic film, lower floor's plastic film, heat preservation, upper plastic film includes wear-resisting upper strata, waterproof upper strata, resistance to compression upper strata, interstratified plastic film includes upper strata, plastics foundation bed, connection lower floor, lower floor's plastic film includes wear-resisting lower floor, dampproofing lower floor, resistance to compression lower floor, the heat preservation includes air bed, foam blanket, the waterproof upper strata sets up in the position of wear-resisting upper strata lower extreme, the resistance to compression upper strata sets up in the position of waterproof upper strata lower extreme, dampproofing lower floor sets up in the position of wear-resisting lower floor upper end, the resistance to compression lower floor sets up in the position of dampproofing lower floor upper end, it sets up in the position of heat preservation upper end to connect the lower floor, it sets up in the position of plastics foundation bed upper end to connect the upper strata.
2. The double-layered plastic film with good heat-retaining property according to claim 1, wherein: the upper plastic film is arranged at the upper end of the heat preservation layer, the thickness of the upper plastic film is the same as that of the lower plastic film, the wear-resistant upper layer is a biaxially oriented polypropylene film layer, and the thickness of the wear-resistant upper layer is 40 micrometers.
3. The double-layered plastic film with good heat-retaining property according to claim 1, wherein: the waterproof upper layer is arranged between the wear-resistant upper layer and the compression-resistant upper layer and is a polyethylene layer.
4. The double-layered plastic film with good heat-retaining property according to claim 1, wherein: the upper pressure-resistant layer is arranged at the upper end of the heat-insulating layer and is a heat-resistant polyester layer, and the thickness of the upper pressure-resistant layer is the same as that of the lower pressure-resistant layer.
5. The double-layered plastic film with good heat-retaining property according to claim 1, wherein: the interlayer plastic film is arranged between the two heat preservation layers, the upper layer and the lower layer are the same in thickness, and the upper layer and the lower layer are both EVA hot melt adhesive layers.
6. The double-layered plastic film with good heat-retaining property according to claim 1, wherein: the lower plastic film is arranged at the lower end of the heat preservation layer, the wear-resistant lower layer is a biaxially oriented polypropylene film layer, the thickness of the wear-resistant lower layer is 40 micrometers, and the compression-resistant lower layer is a heat-resistant polyester layer.
7. The double-layered plastic film with good heat-retaining property according to claim 1, wherein: the dampproofing lower floor sets up the position between wear-resisting lower floor and resistance to compression lower floor, dampproofing lower floor is the low-pressure polyethylene rete.
8. The double-layered plastic film with good heat-retaining property according to claim 1, wherein: the heat preservation is provided with two sets ofly altogether, and is two sets of the heat preservation symmetry sets up the position at interlayer plastic film upper and lower both ends, the air bed becomes staggered arrangement with the foam blanket, the air bed is the arc structure setting with the foam blanket, the foam blanket is the phenolic foam blanket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220112700.XU CN216733364U (en) | 2022-01-17 | 2022-01-17 | Double-layer plastic film with good heat preservation performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220112700.XU CN216733364U (en) | 2022-01-17 | 2022-01-17 | Double-layer plastic film with good heat preservation performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216733364U true CN216733364U (en) | 2022-06-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220112700.XU Active CN216733364U (en) | 2022-01-17 | 2022-01-17 | Double-layer plastic film with good heat preservation performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216733364U (en) |
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2022
- 2022-01-17 CN CN202220112700.XU patent/CN216733364U/en active Active
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