CN204036860U - Adopt the Production Line for Polyimide Film of high and low temperature alternative treatment process - Google Patents
Adopt the Production Line for Polyimide Film of high and low temperature alternative treatment process Download PDFInfo
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- CN204036860U CN204036860U CN201420487857.6U CN201420487857U CN204036860U CN 204036860 U CN204036860 U CN 204036860U CN 201420487857 U CN201420487857 U CN 201420487857U CN 204036860 U CN204036860 U CN 204036860U
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Abstract
The utility model is the Production Line for Polyimide Film adopting high and low temperature alternative treatment process, has multiple cold and hot bellows be alternately arranged after slobbering machine, is packaged air conditioner near slobbering machine and stretching-machine; Being-60 ~ 25 DEG C in packaged air conditioner, is 100 ~ 160 DEG C in hot bellows; Film is 0.05 ~ 3min in each cold and hot bellows.Respectively have multiple cold and hot bellows be alternately arranged after vertical machine drawing and/or after transverse stretching machine and/or after thermal finalization baking oven, packaged air conditioner temperature is everywhere successively decreased by 10 ~ 30% gradients with close to winder, and the packaged air conditioner temperature existed together is identical; Hot bellows temperature everywhere increases progressively by 10 ~ 30% gradients with close to winder, and the hot bellows temperature existed together is identical.Packaged air conditioner after thermal finalization baking oven is interior is-90 ~ 0 DEG C, hot bellows is 200 ~ 300 DEG C; Be that 0.05 ~ 1.0min the utility model prevents film disproportionation, oxidation etc. in each cold and hot bellows of film, electric and mechanical performance significantly improves, and easy to implement.
Description
Technical field
The utility model relates to Kapton manufacturing technology, is specially the Production Line for Polyimide Film adopting high and low temperature alternative treatment process.
Background technology
Kapton is the macromolecular material with high strength, high tenacity, the excellent properties such as wear-resistant, high temperature resistant, corrosion-resistant, is the predominating insulation making various medium-to-high grade electrotechnical, electronic components and parts, is widely used in electrotechnical, electronic industry.
The development trend of and High Reliability Design light, thin, short, little along with downstream electronic product, the film of the market demand trends towards slimming, all has higher requirement to the performance such as electricity, heat, physics of Kapton simultaneously.
The conventional method of current manufacture Kapton is as follows: in reactor, produce polyimide precursor polyamic acid solution using dimethylacetylamide as solvent by the polymerisation of dianhydride and diamines, on slobbering machine, salivation obtains the Polyamic Acid Film with self-supporting afterwards, carry out direction stretching in length and breadth, high temperature imidization again, last thermal finalization process, rolling.The Kapton product of existing manufacture technics its poor-performing, particularly electrical strength such as electricity, heat, physics, modulus are lower, and percent thermal shrinkage, water absorption rate, thermal coefficient of expansion, dielectric constant are more high.
In order to improve the performance such as electricity, heat, physics of Kapton, in recent years some patent applications about low temperature cyclisation treatment process in Kapton manufacture process have been there are, as publication date be on October 21st, 2009, publication number is that the Chinese invention patent of CN101560304A " manufactures the low temperature method of Kapton by polyamic acid solution ", be coated by polyamic acid solution on a substrate, under continuous vacuum low pressure and cold service, cyclisation forms Kapton.The method coating obtains polyamic acid wet film or dry film, and the cyclisation time is greater than 0.5 hour, cannot be applied to continuous prodution.
The Chinese invention patent application " a kind of enhancing hydroxypropyl cellulose microporous barrier and preparation method thereof " that publication date is on January 5th, 2013, publication number is CN103059334A, it adopts low temperature or the freezing cellulose microporous membrane that just realizes to solidify or pore-forming needs, cooling time is greater than 1 hour, cannot be applied to continuous prodution.
The Chinese invention patent application " a kind of polyamic acid glue low-temperature stabilization storage method and freezing liquid composition " that publication date is on June 19th, 2013, publication number is CN103159964A, it adopts low temperature or the freezing Kapton that just realizes to solidify or stable polyamides acid solution.
Have not yet to see and can significantly improve the performances such as Kapton electricity, heat, physics and can be used for the new technology that serialization manufactures Kapton.
Utility model content
The purpose of this utility model is a kind of Production Line for Polyimide Film adopting high and low temperature alternative treatment process of design, packaged air conditioner and hot bellows is introduced in existing Production Line for Polyimide Film, make the Polyamic Acid Film with self-supporting in manufacture process enter stretching process again after high and low temperature alternative process, the performance such as electricity, heat, physics of obtained Kapton significantly improves.
The Production Line for Polyimide Film of the employing high and low temperature alternative treatment process of the utility model design, it comprises slobbering machine, stretching-machine, high temperature imidization stove, thermal finalization baking oven and winder, described stretching-machine for vertical machine drawing front, connect transverse stretching machine thereafter, or for transverse stretching machine front, connect vertical machine drawing thereafter, or be bi-directional synchronization stretching-machine.After slobbering machine, have multiple packaged air conditioner and hot bellows, herein packaged air conditioner and hot bellows add up to 3 ~ 15, be alternately arranged, be packaged air conditioner near slobbering machine and stretching-machine.The Polyamic Acid Film with self-supporting of salivation gained from process in multiple packaged air conditioner and hot bellows, then enters stretching-machine.
Temperature in each packaged air conditioner case after slobbering machine is-60 ~ 25 DEG C; Temperature in each hot bellows case is 100 ~ 160 DEG C, and the time of film in each packaged air conditioner or hot bellows is 0.05 ~ 1min.
If the vertical machine drawing of the stretching-machine of the Production Line for Polyimide Film of employing high and low temperature alternative treatment process of the present utility model front, connect transverse stretching machine thereafter, multiple packaged air conditioner and hot bellows is had after described vertical machine drawing, packaged air conditioner and hot bellows totally 3 ~ 15 herein, be alternately arranged, packaged air conditioner is near vertical machine drawing and transverse stretching machine, the film sent of vertical machine drawing through multiple packaged air conditioner of alternate layout and hot bellows, then enters transverse stretching machine; And/or, multiple packaged air conditioner and hot bellows is had after transverse stretching machine, packaged air conditioner and hot bellows totally 3 ~ 15 herein, be alternately arranged, packaged air conditioner is near transverse stretching machine and high temperature imidization stove, the film sent of transverse stretching machine through multiple packaged air conditioner of alternate layout and hot bellows, then enters high temperature imidization stove thereafter;
If transverse stretching machine front, connect vertical machine drawing thereafter, multiple packaged air conditioner and hot bellows is had after described transverse stretching machine, packaged air conditioner and hot bellows totally 3 ~ 15 herein, be alternately arranged, packaged air conditioner is near transverse stretching machine and vertical machine drawing, the film sent of transverse stretching machine through multiple packaged air conditioner of alternate layout and hot bellows, then enters vertical machine drawing; And/or, there are multiple packaged air conditioner and hot bellows, packaged air conditioner and hot bellows totally 3 ~ 15 herein after vertical machine drawing, be alternately arranged, be packaged air conditioner near vertical machine drawing and high temperature imidization stove, the film that vertical machine drawing is sent through multiple packaged air conditioner and hot bellows, then enters high temperature imidization stove thereafter;
If bi-directional synchronization stretching-machine, multiple packaged air conditioner and hot bellows is had after bi-directional synchronization stretching-machine, packaged air conditioner and hot bellows totally 3 ~ 15 herein, be alternately arranged, packaged air conditioner is near bi-directional synchronization stretching-machine and high temperature imidization stove, the film that bi-directional synchronization stretching-machine is sent through multiple packaged air conditioner and hot bellows, then enters high temperature imidization stove thereafter;
And/or, have multiple packaged air conditioner and hot bellows after thermal finalization baking oven, packaged air conditioner and hot bellows totally 3 ~ 15, is alternately arranged herein, be packaged air conditioner near thermal finalization baking oven and winder, the film sent of thermal finalization baking oven enters winder again through multiple packaged air conditioner of alternate layout and hot bellows.
Temperature after described slobbering machine, after vertical machine drawing, after transverse stretching machine, after bi-directional synchronization stretching-machine and after thermal finalization baking oven in packaged air conditioner case is everywhere successively decreased by 10 ~ 30% gradients with close to winder, and the temperature in multiple packaged air conditioner casees of same place is identical; Temperature in hot bellows case everywhere increases progressively by 10 ~ 30% gradients with close to winder, and the temperature in multiple hot bellows casees of same place is identical.
Temperature in each packaged air conditioner case after thermal finalization baking oven is-90 ~ 0 DEG C.
Temperature in each hot bellows case after thermal finalization baking oven is 200 ~ 300 DEG C.
The time of film in each packaged air conditioner or hot bellows is 0.05 ~ 1.0min.
Multiple packaged air conditioner of described everywhere alternate layout and hot bellows, can lockstep continuous arrangement.
The transition roller having 2 ~ 16 to be parallel to each other in each packaged air conditioner described or hot bellows, the film entering packaged air conditioner or hot bellows walks around each transition roller successively, and on the cross section perpendicular to roller center line, the traveling process of film is S-shaped.
Compared with prior art, the advantage of the Production Line for Polyimide Film of the utility model employing high and low temperature alternative treatment process is: 1, the Polyamic Acid Film with self-supporting of the rear gained of salivation is through high and low temperature alternative process, can prevent film from before entering stretching-machine, producing the side effects such as disproportionation, oxidation, the moisture absorption, guarantee Polyamic Acid Film quality; 2, the electrical strength of gained Kapton product, hot strength, modulus obviously significantly improve, and dielectric constant significantly declines, and thermal coefficient of expansion, water absorption rate, shrinkage factor all significantly reduce; 3, after high and low temperature alternative process, gained film indulges cross directional stretch evenly, and uniformity improves, and the surfacing of final gained Kapton film volume, performance improvement; 4, existing Production Line for Polyimide Film only needs to set up packaged air conditioner and hot bellows at corresponding position, high and low temperature alternative treatment process of the present utility model can be implemented, transformation of facility is easy to realize, and only need increase the control to each packaged air conditioner and hot bellows, production line runs substantially routinely.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the Production Line for Polyimide Film embodiment of this employing high and low temperature alternative treatment process.
Fig. 2 is a packaged air conditioner of alternate layout in Fig. 1 and the structural representation of a hot bellows.
Figure internal label is: 1, film, 2, packaged air conditioner, 3, hot bellows, 4, film import, 5, cold wind
Outlet, 6, transition roller, 7, cold air inlet, 8, hot-blast outlet, 9, hot-wind inlet.
Detailed description of the invention
As shown in Figure 1, each equipment is as follows successively from left to right for the Production Line for Polyimide Film embodiment of this employing high and low temperature alternative treatment process: slobbering machine, packaged air conditioner-hot bellows-packaged air conditioner-hot bellows-packaged air conditioner, vertical machine drawing, packaged air conditioner-hot bellows-packaged air conditioner, transverse stretching machine, packaged air conditioner-hot bellows-packaged air conditioner, high temperature imidization stove, thermal finalization baking oven, packaged air conditioner-hot bellows-packaged air conditioner, winder.
The packaged air conditioner be alternately arranged after this routine slobbering machine and hot bellows totally 5, after vertical machine drawing, respectively has the packaged air conditioner and hot bellows that are alternately arranged, often locates packaged air conditioner and hot bellows totally 3 after transverse stretching machine and after thermal finalization baking oven.
As shown in Figure 2, the packaged air conditioner 2 that is alternately arranged of everywhere and hot bellows 3 lockstep continuous arrangement.
The transition roller 6 having 7 to be parallel to each other in this routine each packaged air conditioner 2 or hot bellows 3, the film 1 entering packaged air conditioner 2 or hot bellows 3 walks around each transition roller 6 successively, on the cross section perpendicular to roller center line, the traveling process of film 1 is S-shaped, and the time of film 1 in each packaged air conditioner 2 or hot bellows 3 is 60 seconds.
This routine packaged air conditioner or hot bellows are thermal-insulating body, and packaged air conditioner or hot bellows two ends have film import 4, film outlet respectively.
Temperature after slobbering machine in each packaged air conditioner is-50 DEG C, and the temperature in each hot bellows is 120 DEG C.
Temperature after vertical machine drawing in each packaged air conditioner is-60 DEG C, and the temperature in each hot bellows is 145 DEG C.
Temperature after transverse stretching machine in each packaged air conditioner is-70 DEG C, and the temperature in each hot bellows is 175 DEG C.
Each packaged air conditioner the temperature inside the box after thermal finalization baking oven is-80 DEG C, and the temperature in each hot bellows is 210 DEG C.
Comparative example is general Production Line for Polyimide Film, salivates, vertical to draw, horizontally to draw, the technological parameter of imidization and thermal finalization is identical with the present embodiment, just do not have the high and low temperature alternative process after each operation in manufacture process.The performance of comparative example and the present embodiment gained Kapton is as shown in table 1:
Table 1 comparative example and the present embodiment gained Kapton Performance comparision table
By the visible the utility model production line gained Kapton of table 1 compared with General Production Lines gained Kapton, the performance such as electricity, heat, physics all obtains larger improvement.Electrical strength promotes more than 72KV/mm, and dielectric constant declines 0.5, and thermal coefficient of expansion reduces by more than 20%, and shrinkage factor is only about 1/3 of comparative example, and water absorption rate then reduces more than one times, and hot strength then significantly increases 51MPa, and modulus improves 1.2GPa.Kapton quality significantly improves.
Above-described embodiment, be only the specific case further described the purpose of this utility model, technical scheme and beneficial effect, the utility model is not defined in this.All make within scope of disclosure of the present utility model any amendment, equivalent replacement, improvement etc., be all included within protection domain of the present utility model.
Claims (6)
1. adopt the Production Line for Polyimide Film of high and low temperature alternative treatment process, comprise slobbering machine, stretching-machine, high temperature imidization stove, thermal finalization baking oven and winder, described stretching-machine for vertical machine drawing front, connect transverse stretching machine thereafter, or for transverse stretching machine front, connect vertical machine drawing thereafter, or be bi-directional synchronization stretching-machine; It is characterized in that:
Have multiple packaged air conditioner and hot bellows after described slobbering machine, packaged air conditioner and hot bellows totally 3 ~ 15, is alternately arranged, and is packaged air conditioner near slobbering machine and stretching-machine; The Polyamic Acid Film with self-supporting of salivation gained from process in multiple packaged air conditioner and hot bellows, then enters stretching-machine.
2. the Production Line for Polyimide Film of employing high and low temperature alternative treatment process according to claim 1, is characterized in that:
Temperature in each packaged air conditioner case after described slobbering machine is-60 ~ 25 DEG C, and the temperature in each hot bellows case is 100 ~ 160 DEG C; The time of film in each packaged air conditioner or hot bellows is 0.05 ~ 1.0min.
3. the Production Line for Polyimide Film of employing high and low temperature alternative treatment process according to claim 1, is characterized in that:
If the vertical machine drawing of described stretching-machine front, connect transverse stretching machine thereafter, multiple packaged air conditioner and hot bellows is had after described vertical machine drawing, packaged air conditioner and hot bellows totally 3 ~ 15 herein, be alternately arranged, packaged air conditioner is near vertical machine drawing and transverse stretching machine, the film sent of vertical machine drawing through multiple packaged air conditioner of alternate layout and hot bellows, then enters transverse stretching machine; And/or, multiple packaged air conditioner and hot bellows is had after transverse stretching machine, packaged air conditioner and hot bellows totally 3 ~ 15 herein, be alternately arranged, packaged air conditioner is near transverse stretching machine and high temperature imidization stove, the film sent of transverse stretching machine through multiple packaged air conditioner of alternate layout and hot bellows, then enters high temperature imidization stove thereafter;
If transverse stretching machine front, connect vertical machine drawing thereafter, multiple packaged air conditioner and hot bellows is had after described transverse stretching machine, packaged air conditioner and hot bellows totally 3 ~ 15 herein, be alternately arranged, packaged air conditioner is near transverse stretching machine and vertical machine drawing, the film sent of transverse stretching machine through multiple packaged air conditioner of alternate layout and hot bellows, then enters vertical machine drawing; And/or, there are multiple packaged air conditioner and hot bellows, packaged air conditioner and hot bellows totally 3 ~ 15 herein after vertical machine drawing, be alternately arranged, be packaged air conditioner near vertical machine drawing and high temperature imidization stove, the film that vertical machine drawing is sent through multiple packaged air conditioner and hot bellows, then enters high temperature imidization stove thereafter;
If bi-directional synchronization stretching-machine, multiple packaged air conditioner and hot bellows is had after bi-directional synchronization stretching-machine, packaged air conditioner and hot bellows totally 3 ~ 15 herein, be alternately arranged, packaged air conditioner is near bi-directional synchronization stretching-machine and high temperature imidization stove, the film that bi-directional synchronization stretching-machine is sent through multiple packaged air conditioner and hot bellows, then enters high temperature imidization stove thereafter;
And/or, have multiple packaged air conditioner and hot bellows after thermal finalization baking oven, packaged air conditioner and hot bellows totally 3 ~ 15, is alternately arranged herein, be packaged air conditioner near thermal finalization baking oven and winder, the film sent of thermal finalization baking oven enters winder again through multiple packaged air conditioner of alternate layout and hot bellows.
4. the Production Line for Polyimide Film of employing high and low temperature alternative treatment process according to claim 3, is characterized in that:
Temperature after described slobbering machine, after vertical machine drawing, after transverse stretching machine, after bi-directional synchronization stretching-machine and after thermal finalization baking oven in packaged air conditioner case is everywhere successively decreased by 10 ~ 30% gradients with close to winder, and the temperature in multiple packaged air conditioner casees of same place is identical; Temperature in hot bellows case everywhere increases progressively by 10 ~ 30% gradients with close to winder, and the temperature in multiple hot bellows casees of same place is identical;
Temperature in each packaged air conditioner case after described thermal finalization baking oven is-90 ~ 0 DEG C;
Temperature in each hot bellows case after thermal finalization baking oven is 200 ~ 300 DEG C;
The time of film in each packaged air conditioner or hot bellows is 0.05 ~ 1.0min.
5. the Production Line for Polyimide Film of employing high and low temperature alternative treatment process according to claim 3, is characterized in that:
The transition roller having 2 ~ 16 to be parallel to each other in each packaged air conditioner described or hot bellows, the film entering packaged air conditioner or hot bellows walks around each transition roller successively, and on the cross section perpendicular to roller center line, the traveling process of film is S-shaped.
6. the Production Line for Polyimide Film of employing high and low temperature alternative treatment process according to claim 3, is characterized in that:
Multiple packaged air conditioner of described everywhere alternate layout and hot bellows, lockstep continuous arrangement.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420487857.6U CN204036860U (en) | 2014-08-27 | 2014-08-27 | Adopt the Production Line for Polyimide Film of high and low temperature alternative treatment process |
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| CN201420487857.6U CN204036860U (en) | 2014-08-27 | 2014-08-27 | Adopt the Production Line for Polyimide Film of high and low temperature alternative treatment process |
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