Conductive high-gram-weight air cushion film based on antistatic coating
阅读说明：本技术 一种基于抗静电涂层的导电大克重气垫膜 (Conductive high-gram-weight air cushion film based on antistatic coating ) 是由 贾辉 于 2019-09-20 设计创作，主要内容包括：本发明公开了一种基于抗静电涂层的导电大克重气垫膜,包括上气垫和下气垫,所述上气垫和下气垫反向设置,上气垫和下气垫均包括平整膜和拱形膜,且平整膜和拱形膜之间形成气囊,上气垫和下气垫上拱形膜的波峰与波谷交错设置,本发明涉及气垫膜技术领域。该基于抗静电涂层的导电大克重气垫膜,通过在气垫膜内部设置石墨导电层,利用大量添加的石墨粉末,使石墨导电层具有良好的导电性,可将静电导走,进而达到消除静电的效果,而在底部设置绝缘膜,可将石墨导电层内的静电与电子元件隔离,可提高防静电效果,而增加了碳酸盐粉末后,可提高石墨导电层的隔热性能,弥补石墨粉末良好的导热性能,避免高温环境对电子元件的损伤。(The invention discloses a conductive high-gram-weight air cushion film based on an antistatic coating, which comprises an upper air cushion and a lower air cushion, wherein the upper air cushion and the lower air cushion are arranged in opposite directions, the upper air cushion and the lower air cushion respectively comprise a flattening film and an arched film, an air bag is formed between the flattening film and the arched film, and wave crests and wave troughs of the arched films on the upper air cushion and the lower air cushion are arranged in a staggered manner. This electrically conductive gram of weight air cushion membrane based on antistatic coating, through at the inside graphite conducting layer that sets up of air cushion membrane, utilize the graphite powder of a large amount of additions, make the graphite conducting layer have good electric conductivity, can lead away static, and then reach the effect of static elimination, and set up the insulating film in the bottom, can keep apart the intraformational static of graphite conducting layer and electronic component, can improve antistatic effect, and after having increased the carbonate powder, can improve the heat-proof quality of graphite conducting layer, compensate good heat conductivility of graphite powder, avoid the damage of high temperature environment to electronic component.)
1. The utility model provides a electrically conductive gram of weight air cushion film based on antistatic coating, includes air cushion (1) and lower air cushion (2), go up air cushion (1) and lower air cushion (2) reverse arrangement, its characterized in that: the upper air cushion (1) and the lower air cushion (2) both comprise a leveling film (3) and an arched film (4), an air bag (5) is formed between the leveling film (3) and the arched film (4), wave crests and wave troughs of the arched film (4) on the upper air cushion (1) and the lower air cushion (2) are arranged in a staggered mode, a graphite conducting layer (7) is bonded between the leveling film (3) and the arched film (4) through an inner adhesive (6), and an insulating film (8) is bonded at the bottom of the lower air cushion (2) through the adhesive;
the graphite conducting layer (7) comprises the following components in parts by weight: 2-3 parts of graphite powder, 1-2 parts of carbonate powder, 2-3 parts of polypropylene short fiber, 2-3 parts of adhesive and 1-2 parts of flexibilizer.
2. The conductive grammage air cushion film based on the antistatic coating as claimed in claim 1, wherein: the graphite conducting layer (7) comprises the following components in parts by weight: 2 parts of graphite powder, 2 parts of carbonate powder, 3 parts of polypropylene short fibers, 3 parts of adhesive and 1 part of flexibilizer.
3. The conductive grammage air cushion film based on the antistatic coating as claimed in claim 1, wherein: the graphite conducting layer (7) comprises the following components in parts by weight: 2.5 parts of graphite powder, 1.5 parts of carbonate powder, 2 parts of polypropylene short fibers, 2 parts of adhesive and 2 parts of flexibilizer.
4. The conductive grammage air cushion film based on the antistatic coating as claimed in claim 1, wherein: the graphite conducting layer (7) comprises the following components in parts by weight: 3 parts of graphite powder, 1 part of carbonate powder, 2.5 parts of polypropylene short fiber, 1.5 parts of adhesive and 2 parts of flexibilizer.
5. The conductive grammage air cushion film based on the antistatic coating as claimed in claim 1, wherein: the preparation method specifically comprises the following steps:
step one, preparing a graphite conducting layer (7): selecting sufficient graphite powder and carbonate powder, respectively screening through a screen, weighing quantitative graphite powder and carbonate powder for later use, then heating polypropylene short fiber to 65-70 ℃, mixing the graphite powder and the carbonate powder into the polypropylene short fiber, stirring for 2-3min, adding an adhesive and a flexible agent, keeping the temperature, stirring for 5min, then pouring into a mold, pressing to prepare a molded film type, and cooling and taking out for later use;
step two, air cushion forming: selecting a leveling film (3) and an arch film (4) with specified specifications, adsorbing the arch film (4) by using a special die, attaching the arch film (4) to the bottom of the special die to form an arch, and then carrying out hot press molding on the leveling film (3) and the arch film (4);
step three, forming an air cushion film: coating liquid internal adhesive (6) on the top of a lower air cushion (2), then covering a graphite conducting layer (7), prepressing once by using an upper air cushion (1), pressing the graphite conducting layer (7) down to enable the graphite conducting layer to be attached to the wave crest and the wave trough of the top of the lower air cushion (2), coating a layer of liquid internal adhesive (6), then pressing the upper air cushion (1) on the top of the graphite conducting layer (7) again, keeping the upper air cushion (1) and the wave crest and the wave trough of the lower air cushion (2) to be staggered, then waiting for the internal adhesive (6) to solidify, coating a layer of adhesive on the bottom of the lower air cushion (2), then attaching an insulating film (8) on the bottom of the lower air cushion (2), and waiting for the adhesive to solidify;
step four, cutting and forming: and after the finished product is processed, cutting the whole air cushion film according to the specification, and finally rolling and packaging.
6. The conductive grammage air cushion film based on the antistatic coating as claimed in claim 5, wherein: the screen in the first step is a vibrating screen with 150-200 meshes, and is not mixed.
7. The conductive grammage air cushion film based on the antistatic coating as claimed in claim 5, wherein: in the third step, the thickness of the two layers of inner viscose (6) is maintained to be 0.5-0.8mm, the painting can be carried out in a spraying mode, an intermittent spraying mode is adopted, and the distance of a wave crest is kept between every two sections of inner viscose (6).
8. The conductive grammage air cushion film based on the antistatic coating as claimed in claim 1, wherein: the insulating film (8) is made by spraying an insulating coating on the surface of a wear-resistant and puncture-resistant film.
Technical Field
The invention relates to the technical field of air cushion films, in particular to a conductive high-gram-weight air cushion film based on an antistatic coating.
Background
The bubble film is also called air cushion film, air bead film, bubble cloth, bubble paper, bubble film and air cushion film. Has good shock absorption, impact resistance and heat seal property, and is nontoxic, tasteless, moisture-proof, corrosion-resistant and good in transparency. Because the air cushion film intermediate layer is full of air, so light, transparent, rich in elasticity, have the performance that gives sound insulation, takes precautions against earthquakes and abrasionproof decreases, widely used in electronics, instrument, pottery, handicraft, domestic appliance, bicycle, kitchen, furniture and lacquer goods, glassware and precision instrument etc. shock resistance cushioning packaging. Can be made into bubble bag, bubble kraft paper envelope bag, automobile sun shield, heat insulation cushion, heat insulation material, etc. Various special air cushion films such as antistatic films can be manufactured by adding different additives into plastic raw materials. The antistatic air cushion film is used in packing electronic elements, assembly, such as plate, card, etc. and has the functions of preventing static electricity and buffering and vibration prevention. The air cushion film mainly comprises a common polyethylene air cushion film, an antistatic air cushion film, a flame retardant air cushion film, an aluminized air cushion film, a color printing air cushion film, a three-layer air cushion film (single-layer bubble), a five-layer air cushion film (double-layer bubble), a polypropylene thickened air cushion film and a composite pearl wool air cushion film.
The traditional electronic product plastic packing material is characterized in that low-molecular grease is precipitated and attached to the surface of a high-molecular polymer to form an antistatic coating, so that the damage of static electricity to an electronic element is isolated, but the static electricity cannot be eliminated by the method, so that the static electricity is gathered outside the packing material and cannot be completely eliminated, and the precipitate can be weakened continuously along with the prolonging of time, so that the packing material finally fails.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a conductive high-gram-weight air cushion film based on an antistatic coating, which solves the problems that static electricity cannot be eliminated by a plastic packing material of a traditional electronic product, so that static electricity is gathered outside the packing material and cannot be completely eliminated, and precipitates can be weakened continuously along with time to finally cause the packing material to lose efficacy.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a electrically conductive big grammes per square metre air cushion membrane based on antistatic coating, includes air cushion and lower air cushion, go up air cushion and lower air cushion reverse setting, it all includes leveling film and arch membrane with lower air cushion to go up the air cushion, and forms the gasbag between leveling film and the arch membrane, go up the crest and the crisscross setting of trough of arch membrane on air cushion and the lower air cushion, it has the graphite conducting layer to bond through interior viscose between leveling film and the arch membrane, the bottom of air cushion has the insulating film through viscose bonding down.
The graphite conducting layer comprises the following raw materials in parts by weight: 2-3 parts of graphite powder, 1-2 parts of carbonate powder, 2-3 parts of polypropylene short fiber, 2-3 parts of adhesive and 1-2 parts of flexibilizer.
Preferably, the graphite conducting layer comprises the following raw materials in parts by weight: 2 parts of graphite powder, 2 parts of carbonate powder, 3 parts of polypropylene short fibers, 3 parts of adhesive and 1 part of flexibilizer.
Preferably, the graphite conducting layer comprises the following raw materials in parts by weight: 2.5 parts of graphite powder, 1.5 parts of carbonate powder, 2 parts of polypropylene short fibers, 2 parts of adhesive and 2 parts of flexibilizer.
Preferably, the graphite conducting layer comprises the following raw materials in parts by weight: 3 parts of graphite powder, 1 part of carbonate powder, 2.5 parts of polypropylene short fiber, 1.5 parts of adhesive and 2 parts of flexibilizer.
The invention also discloses a preparation method of the conductive high-gram-weight air cushion film based on the antistatic coating, which specifically comprises the following steps:
step one, preparing a graphite conducting layer: selecting sufficient graphite powder and carbonate powder, respectively screening through a screen, weighing quantitative graphite powder and carbonate powder for later use, then heating polypropylene short fiber to 65-70 ℃, mixing the graphite powder and the carbonate powder into the polypropylene short fiber, stirring for 2-3min, adding an adhesive and a flexibilizer, keeping the temperature and stirring for 5min, then pouring into a mold, pressing to prepare a molded film type, and cooling and taking out for later use.
Step two, air cushion forming: selecting a leveling film and an arch film with specified specifications, adsorbing the arch film by using a special mold, attaching the arch film to the bottom of the special mold to form an arch, and then carrying out hot press molding on the leveling film and the arch film.
Step three, forming an air cushion film: coating liquid internal adhesive on the top of the lower air cushion, covering a graphite conducting layer, prepressing the upper air cushion once, pressing the graphite conducting layer to be attached to the wave crest and the wave trough of the top of the lower air cushion, coating a layer of liquid internal adhesive, pressing the upper air cushion on the top of the graphite conducting layer again, keeping the wave crest and the wave trough of the upper air cushion and the wave trough of the lower air cushion to be staggered, waiting for the internal adhesive to be solidified, coating a layer of adhesive on the bottom of the lower air cushion, adhering an insulating film on the bottom of the lower air cushion, and waiting for the adhesive to be solidified.
Step four, cutting and forming: and after the finished product is processed, cutting the whole air cushion film according to the specification, and finally rolling and packaging.
Preferably, the screen in the first step is a vibrating screen with 150-200 meshes, and is not mixed.
Preferably, in the third step, the thickness of the two layers of inner adhesive is maintained to be 0.5-0.8mm, the spraying can be performed in a spraying mode, and an intermittent spraying mode is adopted, so that the distance of a wave crest is kept between every two sections of inner adhesive.
Preferably, the insulating film is made by spraying an insulating coating on the surface of the wear-resistant and puncture-resistant film.
(III) advantageous effects
The invention provides a conductive high-gram-weight air cushion film based on an antistatic coating. Compared with the prior art, the method has the following beneficial effects:
(1) the graphite conducting layer is bonded between the leveling film and the arched film through internal adhesive, and the insulating film is bonded at the bottom of the lower air cushion through the adhesive; preparing a graphite conducting layer: selecting sufficient graphite powder and carbonate powder, respectively screening by a screen, weighing quantitative graphite powder and carbonate powder for later use after screening, then heating polypropylene short fiber to 65-70 ℃, mixing the graphite powder and the carbonate powder into the polypropylene short fiber, adding an adhesive and a flexible agent after stirring for 2-3min, preserving heat and stirring for 5min, then pouring into a mold for pressing into a molded film type, cooling and taking out for later use, arranging a graphite conducting layer in an air cushion film, utilizing a large amount of added graphite powder to ensure that the graphite conducting layer has good conductivity and can conduct away static electricity so as to achieve the effect of eliminating static electricity, arranging an insulating film at the bottom, isolating static electricity in the graphite conducting layer from electronic elements, improving the static electricity prevention effect, and improving the heat insulation performance of the graphite conducting layer after increasing the carbonate powder, make up the good heat conductivity of graphite powder, avoid the damage of high temperature environment to electronic component.
(2) This electrically conductive gram of weight air cushion membrane based on antistatic coating, through going up air cushion and lower air cushion reverse setting, go up the air cushion and all include leveling film and arch membrane with lower air cushion, and form the gasbag between leveling film and the arch membrane, go up the air cushion and set up with the trough is crisscross on the arch membrane's of lower air cushion crest, through setting up two-layer air cushion reverse staggering, make the crest trough of two-layer air cushion compensate each other, and then make air cushion membrane surface level and smooth and clean, and have better shock attenuation buffering effect.
(3) This electrically conductive big grammes per square metre air cushion membrane based on antistatic coating has the insulating film through the bottom of air cushion bonds through the viscose under, and the insulating film is made for wear-resisting resistant puncture film surface coating insulating coating, utilizes the wear-resisting resistant puncture performance of insulating film, can improve its life, and can avoid the problem of being punctured by sharp objects such as electronic component's pin, can guarantee to keep apart the effect of static.
Drawings
FIG. 1 is a perspective view of the overall structure of the present invention;
FIG. 2 is a front view of a portion of the structure of the present invention;
FIG. 3 is a chart of a comparative test of the present invention.
In the figure, 1-upper air cushion, 2-lower air cushion, 3-flat film, 4-arch film, 5-air bag, 6-internal adhesive, 7-graphite conductive layer and 8-insulating film.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, an embodiment of the present invention provides a technical solution: the utility model provides a electrically conductive heavy grammes per square metre air cushion film based on antistatic coating, including
The invention also discloses a preparation method of the conductive high-gram-weight air cushion film based on the antistatic coating, which specifically comprises the following three embodiments:
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