CN203293609U - Anti-static insulating and dampproof thin film and packaging bag - Google Patents
Anti-static insulating and dampproof thin film and packaging bag Download PDFInfo
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- CN203293609U CN203293609U CN2013203085303U CN201320308530U CN203293609U CN 203293609 U CN203293609 U CN 203293609U CN 2013203085303 U CN2013203085303 U CN 2013203085303U CN 201320308530 U CN201320308530 U CN 201320308530U CN 203293609 U CN203293609 U CN 203293609U
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Abstract
The utility model discloses an anti-static insulating and dampproof thin film, which includes a main body layer, an anti-static outer layer covered on the outer side of the main body layer, and an anti-static inner layer covered on the inner side of the main body layer, wherein the main body layer includes a polyethylene layer as well as an expandable polyethylene layer and a strengthened layer both covered on the two sides of the polyethylene layer. The anti-static insulating and dampproof thin film solves the problem that the thin film is poor in damping effect in the prior art, is additionally provided with one expandable polyethylene layer, commonly known as pearl wool based on the original thin film, enhances the damping effect of the thin film based on the original anti-static and dampproof effects, and effectively avoids the phenomenon that a packaging bag is punctured by cornered products.
Description
Technical field
The utility model has related to a kind of antistatic and has intercepted moisture-proof film and packaging bag, belongs to the material technology field.
Background technology
At present, the application of electronic product is more and more, due to the precise structure complexity of electronic devices and components, in the process of circulation and use, easily be subject to the infringement of static and water vapour molecule, the lighter makes electrical quantity drift, the lost of life of electronic component, and severe one makes components and parts entirely ineffective.
The circuit of ic component dwindles, withstand voltage reduction, the circuit area reduces, and makes weakening of the anti-electrostatic impact ability of device, and static electric field (Static Electric Field) and electrostatic induced current (ESDcurrent) become the fatal killer of these high density components and parts.The generally application of simultaneously a large amount of contour insulating materials of plastic products, the chance that causes producing static increases.In daily life, as walked about, Air Flow, carry grade and can produce static.People it is generally acknowledged that the Xin Pian Before that only has the CMOS class is to electrostatic sensitive, and in fact, the components and parts circuit that integrated level is high is all very sensitive.
The impact of static on electronic building brick:
1. the Electrostatic Absorption dust, change the impedance between circuit, affects function and the life-span of product;
2. because of electric field or electric current, destroy insulation or the conductor of assembly, make assembly can not work (destroying fully);
3. because of the electric field of moment or the heat of electric current generation, assembly is injured, endure, and the life-span is impaired.
For the problems referred to above, the antistatic moisture barrier bag of being made by antistatic film has appearred, this film comprises body layer, it is outer and be fixedly connected on the antistatic internal layer of body layer inboard to be fixedly connected on the antistatic in the body layer outside.Then the above-mentioned material packaging bag of making is nonelastic, damping effect is poor, when some have the product of corner angle for packing, easily punctures packaging bag.
The utility model content
Technical problem to be solved in the utility model is to provide a kind of antistatic and intercepts moisture-proof film and packaging bag, on the basis of antistatic, protection against the tide and good barrier property, has strengthened the damping effect of packaging bag, and the phenomenon of effectively having avoided product to puncture packaging bag occurs.
In order to solve the problems of the technologies described above, the technical scheme that the utility model adopts is:
A kind of antistatic intercepts moisture-proof film, comprise body layer, to be covered in the antistatic in the described body layer outside outer and be covered in the antistatic internal layer of body layer inboard, described body layer comprises polyethylene layer and is covered in expandability polyethylene layer and the strengthening layer of described polyethylene layer both sides.
Aforesaid a kind of antistatic intercepts moisture-proof film, it is characterized in that: between described PE layer and described strengthening layer, also be provided with metal level.
Aforesaid a kind of antistatic intercepts moisture-proof film, and it is characterized in that: described strengthening layer is composited by nylon and/or saturated polyester.
Aforesaid a kind of antistatic intercepts moisture-proof film, and it is characterized in that: described strengthening layer is biaxial tension cast polypropylene layer.
Aforesaid a kind of antistatic intercepts moisture-proof film, and it is characterized in that: described metal level material is aluminium foil.
A kind of antistatic intercepts moisture-proof packing bag, and it is by one of them described antistatic of claim 1 to 5, to intercept moisture-proof film to make.
The beneficial effects of the utility model are: the utility model is than existing antistatic barrier film, increased one deck expandability polyethylene layer, the expanded polyethylene foam that namely is commonly called as, on the basis of original antistatic, protection against the tide, strengthened the damping effect of film, the phenomenon of effectively having avoided having the product of corner angle to puncture packaging bag occurs.
The accompanying drawing explanation
Fig. 1 is the structural representation of the utility model the first embodiment;
Fig. 2 is the structural representation of the utility model the second embodiment;
Fig. 3 is the structural representation of the utility model the 3rd embodiment;
Fig. 4 is the structural representation of the utility model the 4th embodiment;
Fig. 5 is the structural representation of the utility model the 5th embodiment;
Fig. 6 is the structural representation of the utility model the 6th embodiment;
Fig. 7 is the structural representation of the utility model the 7th embodiment.
The specific embodiment
Before introducing embodiment of the present utility model, at first the functional characteristic of the various materials that form film described in the utility model is briefly introduced.
One, EPE(expandability polyethylene, claim again expanded polyethylene foam)
1, EPE has higher elasticity, and outward appearance is pure white.Owing to being complete separated foam body, it is light, flexibly, and can be crooked, to absorb outside the impact dispersion, the effect of buffering, overcome common foamed glue frangible, distortion and the shortcoming of recovering, and EPE has insulation, the water proof protection against the tide, heat insulation, sound insulation, antifriction, anti-aging, the characteristics such as corrosion-resistant;
2, ageing resistance is strong, has good processability, adds the pink EPE raw material of electrostatic agent, also has significant electrostatic-proof function;
3, shockproof, insulation, the plurality of advantages such as plasticity is good, toughness is strong, reconstituted circularly, crashworthiness power are strong, also have good chemical resistance.
Two, BOPP (biaxial tension cast polypropylene layer)
1. the hot strength of biaxial tension cast polypropylene layer is high, and the elasticity membranogen is high, but tear strength is low, and the BOPP rigidity is good.Outstanding extension antagonism fatigue property is arranged, collapsible millions of times;
2. heat-resisting, cold resistance is high, and it is heatproof in applicable plastic that serviceability temperature can reach 120 ℃, and BOPP cold resistance is also high than general PP film;
3. refractive index increases, and surface gloss improves, and the transparency is good, suitable to various packaging material;
4. density is little, and in 0.91 left and right, wholesomeness is good, and is nontoxic, tasteless, odorless;
5. chemical stability is good, and except strong acid such as oleum, nitric acid has outside corrosiveness it, is insoluble to other solvents, and a part hydro carbons is not allowed swollen effect to it;
6. water preventing ability is splendid is that resistance is wet, one of moistureproof optimal material, and water absorption rate is less than 0.01%;
7. electrical insulating property is good, and high-frequency insulation is good;
8. be mainly used in packaging material, as the composite membrane base material, also for after printing, doing holder, decorating film.
Three, PE (polyethylene layer)
1. gas barrier, moisture barrier property is good, and its moisture permeable coefficient is minimum in packing plastics commonly used, but has certain air permeability; Coefficient of friction is little, is suitable for packing fast, and opening is good;
2. chemical stability is good, and normal temperature, in generally selecting soda acid inoperative, does not dissolve in organic solvent;
3. certain tensile strength and tearing strength are arranged, and pliability is good, is suitable for high-speed automated operation;
4. resistant of high or low temperature, resistance to low temperature good (70 ℃) can adapt to food refrigerated, freezing needs, but because its fusing point is low, resistance to elevated temperatures is poor, and can not be with food high temperature (250 ℃ of left and right) boiling;
5. wholesomeness, itself has low toxicity monomer ethylene, but residual element is atomic in plastic products, and the additive capacity that adds also seldom, it is generally acknowledged that vinyon is a kind of packaging material of non-toxic and safe health, directly contact food;
6. have good especially heat bonding or heat sealing performance, therefore its film is commonly used for the heat-sealing internal layer of composite, in composite, mainly play the effect that vacuumizes and seal, 95 ℃ of melt temperatures;
7. processing and forming is convenient, does not need to add plasticizer, and can adapt to and extrude, injection moulding, the various forming methods such as blowing, simple to operate.
Below in conjunction with Figure of description, the utility model is further described.
As shown in Figure 1, a kind of antistatic intercepts moisture-proof film, comprise body layer, be covered in the antistatic outer 3 in the described body layer outside and be covered in the antistatic internal layer 4 of body layer inboard, described body layer comprises polyethylene layer 2 and is covered in expandability polyethylene layer 1 and the nylon layer 5 of described polyethylene layer both sides.By in film, increasing expandability polyethylene layer 1, the expanded polyethylene foam that namely is commonly called as, on original antistatic, moistureproof basis, strengthened the damping effect of film, and the phenomenon of effectively having avoided having the product of corner angle to puncture packaging bag occurs.
As shown in Figure 2, a kind of antistatic intercepts moisture-proof film, comprise body layer, be covered in the antistatic outer 3 in the described body layer outside and be covered in the antistatic internal layer 4 of body layer inboard, described body layer comprises polyethylene layer 2 and is covered in expandability polyethylene layer 1 and the saturated polyester layer 6 of described polyethylene layer both sides.
As shown in Figure 3, a kind of antistatic intercepts moisture-proof film, comprise body layer, be covered in the antistatic outer 3 in the described body layer outside and be covered in the antistatic internal layer 4 of body layer inboard, described body layer comprises polyethylene layer 2 and is covered in expandability polyethylene layer 1 and the strengthening layer of described polyethylene layer both sides, this strengthening layer is composited by nylon and saturated polyester, make that this film strength is larger, hardness is higher, and have stronger damping effect.
Film in above-mentioned three kinds of embodiment is transparent material, after making packaging bag, is convenient to observe the product situation in sack.And by on the basis of original film, being compounded with one deck expandability polyethylene layer more, the expanded polyethylene foam that namely is commonly called as, on original antistatic, moistureproof basis, strengthened the damping effect of film, the phenomenon of effectively having avoided having the product of corner angle to puncture packaging bag occurs.
As shown in Figure 4, a kind of antistatic intercepts moisture-proof film, comprise body layer, be covered in the antistatic outer 3 in the described body layer outside and be covered in the antistatic internal layer 4 of body layer inboard, described body layer comprises polyethylene layer 2 and is covered in expandability polyethylene layer 1 and the saturated polyester layer 6 of described polyethylene layer both sides, and also is compounded with aluminium foil layer 7 between described saturated polyester layer 6 and polyethylene layer 2.
As shown in Figure 5, a kind of antistatic intercepts moisture-proof film, comprise body layer, be covered in the antistatic outer 3 in the described body layer outside and be covered in the antistatic internal layer 4 of body layer inboard, described body layer comprises polyethylene layer 2 and is covered in expandability polyethylene layer 1 and the biaxial tension cast polypropylene 8 of described polyethylene layer both sides, and also is compounded with aluminium foil layer 7 between described biaxial tension cast polypropylene 8 and polyethylene layer 2.
As shown in Figure 6, a kind of antistatic intercepts moisture-proof film, comprise body layer, be covered in the antistatic outer 3 in the described body layer outside and be covered in the antistatic internal layer 4 of body layer inboard, described body layer comprises polyethylene layer 2 and is covered in expandability polyethylene layer 1 and the nylon layer 5 of described polyethylene layer both sides, and also is compounded with aluminium foil layer 7 between described nylon layer 5 and polyethylene layer 2.
As shown in Figure 7, a kind of antistatic intercepts moisture-proof film, comprise body layer, be covered in the antistatic outer 3 in the described body layer outside and be covered in the antistatic internal layer 4 of body layer inboard, described body layer comprises polyethylene layer 2 and is covered in expandability polyethylene layer 1 and the strengthening layer of described polyethylene layer both sides, shown in strengthening layer by nylon layer 5, aluminium foil layer 7 and saturated polyester layer 6, be composited.
In above 4 embodiment, on the Membranous Foundations of 1-3 kind embodiment, be compounded with one deck aluminium foil layer 7, obtaining on former resultful basis, by clad aluminum foil layer 7 in film, make the planarization of whole film better, and appearance effect also more.But owing to being compounded with aluminium foil layer, the packaging bag that this film is made is opaque shape, can't observe the situation of bag interior product.
Simultaneously, the utility model also provides a kind of packaging bag that in above-mentioned seven, in embodiment, any one film is made that utilizes.
Above demonstration and described basic principle of the present utility model, principal character and advantage.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that in above-described embodiment and specification, describes just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is by appending claims and equivalent circle thereof.
Claims (6)
1. an antistatic intercepts moisture-proof film, comprise body layer, to be covered in the antistatic in the described body layer outside outer and be covered in the antistatic internal layer of body layer inboard, it is characterized in that: described body layer comprises polyethylene layer and is covered in expandability polyethylene layer and the strengthening layer of described polyethylene layer both sides.
2. a kind of antistatic according to claim 1 intercepts moisture-proof film, it is characterized in that: between described polyethylene layer and described strengthening layer, also be provided with metal level.
3. a kind of antistatic according to claim 1 and 2 intercepts moisture-proof film, and it is characterized in that: described strengthening layer is composited by nylon and/or saturated polyester.
4. a kind of antistatic according to claim 2 intercepts moisture-proof film, and it is characterized in that: described strengthening layer is biaxial tension cast polypropylene layer.
5. a kind of antistatic according to claim 2 intercepts moisture-proof film, and it is characterized in that: described metal level material is aluminium foil.
6. an antistatic intercepts moisture-proof packing bag, it is characterized in that: it is by one of them described antistatic of claim 1 to 5, to intercept moisture-proof film to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203085303U CN203293609U (en) | 2013-05-31 | 2013-05-31 | Anti-static insulating and dampproof thin film and packaging bag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203085303U CN203293609U (en) | 2013-05-31 | 2013-05-31 | Anti-static insulating and dampproof thin film and packaging bag |
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| CN203293609U true CN203293609U (en) | 2013-11-20 |
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| CN2013203085303U Expired - Lifetime CN203293609U (en) | 2013-05-31 | 2013-05-31 | Anti-static insulating and dampproof thin film and packaging bag |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103879111A (en) * | 2014-04-16 | 2014-06-25 | 太仓环亚包装制品有限公司 | Antistatic pearl cotton |
| CN108974665A (en) * | 2018-09-09 | 2018-12-11 | 浙江时进包装有限公司 | A kind of powder like foods package box |
-
2013
- 2013-05-31 CN CN2013203085303U patent/CN203293609U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103879111A (en) * | 2014-04-16 | 2014-06-25 | 太仓环亚包装制品有限公司 | Antistatic pearl cotton |
| CN108974665A (en) * | 2018-09-09 | 2018-12-11 | 浙江时进包装有限公司 | A kind of powder like foods package box |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131120 |