CN204036866U - Adopt the Production Line for Polyimide Film of Kapton cold treatment process - Google Patents
Adopt the Production Line for Polyimide Film of Kapton cold treatment process Download PDFInfo
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- CN204036866U CN204036866U CN201420487832.6U CN201420487832U CN204036866U CN 204036866 U CN204036866 U CN 204036866U CN 201420487832 U CN201420487832 U CN 201420487832U CN 204036866 U CN204036866 U CN 204036866U
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- air conditioner
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- stretching
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Abstract
The utility model is the Production Line for Polyimide Film adopting Kapton cold treatment process, after slobbering machine, have packaged air conditioner, and the Polyamic Acid Film of salivation gained from process in the packaged air conditioner case after slobbering machine, then enters stretching-machine.Temperature in packaged air conditioner case after slobbering machine is-60 ~ 25 DEG C, and the time that film processes in packaged air conditioner is 0.05 ~ 3min.After vertical machine drawing and/or transverse stretching machine and/or thermal finalization baking oven, have packaged air conditioner, the temperature in the packaged air conditioner case after described thermal finalization baking oven is-90 ~ 0 DEG C; Each packaged air conditioner successively decreases by 10 ~ 30% gradients along with close to the temperature in winder, case, and the time that film processes in packaged air conditioner is 0.05 ~ 3min.Cold treatment prevents film to be oxidized before the stretching, the moisture absorption, and the electric and mechanical performance of film significantly improves, and existing production line is easy to transformation and implements.
Description
Technical field
The utility model relates to Kapton manufacturing technology, is specially the Production Line for Polyimide Film adopting Kapton cold 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 Kapton cold treatment process of design, packaged air conditioner 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 cold treatment, the performance such as electricity, heat, physics of obtained Kapton significantly improves.
The Production Line for Polyimide Film of the cold treatment process of employing Kapton of the present utility model, 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.
After slobbering machine, have packaged air conditioner, the Polyamic Acid Film with self-supporting of salivation gained from process in the packaged air conditioner case after slobbering machine, then enters stretching-machine.
Temperature in packaged air conditioner case after slobbering machine is-60 ~ 25 DEG C, and the time that film processes in packaged air conditioner is 0.05 ~ 3min.
Preferred temperature in packaged air conditioner case after slobbering machine is-50 ~-25 DEG C, and the time that film processes in packaged air conditioner is 0.05 ~ 3min.
If the vertical machine drawing of the stretching-machine of Production Line for Polyimide Film of the present utility model front, connect transverse stretching machine thereafter, have packaged air conditioner after described vertical machine drawing, complete the vertical film drawn through packaged air conditioner, then enter transverse stretching machine; There is packaged air conditioner after transverse stretching machine, complete the horizontal film drawn through packaged air conditioner, then enter high temperature imidization stove thereafter;
If transverse stretching machine front, connect vertical machine drawing thereafter, have packaged air conditioner after described transverse stretching machine, complete the horizontal film drawn through packaged air conditioner, then enter vertical machine drawing; There is packaged air conditioner after vertical machine drawing, complete the vertical film drawn through packaged air conditioner, then enter high temperature imidization stove thereafter;
If bi-directional synchronization stretching-machine, after bi-directional synchronization stretching-machine, there is packaged air conditioner, complete the film of bi-directional synchronization stretching through packaged air conditioner, then enter high temperature imidization stove thereafter;
And/or have packaged air conditioner after thermal finalization baking oven, the film completing thermal finalization enters winder again through packaged air conditioner.
Temperature in packaged air conditioner case after thermal finalization baking oven is-90 ~ 0 DEG C.
Packaged air conditioner after described salivation, vertical draw after packaged air conditioner, horizontal draw after packaged air conditioner and thermal finalization after packaged air conditioner, with close to winder, temperature everywhere in packaged air conditioner case is successively decreased by 10 ~ 30% gradients, and the time that film processes in packaged air conditioner is 0.05 ~ 3min.
Have the transition roller that 2 ~ 16 are parallel to each other in described packaged air conditioner, the film entering packaged air conditioner 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 Kapton cold treatment process is: 1, the Polyamic Acid Film with self-supporting of the rear gained of salivation is through cold treatment, 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 cold treatment, 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 at corresponding position, and transformation of facility is easy to realize, and only need increase the control to each packaged air conditioner, 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 Kapton cold treatment process.
Fig. 2 is the structural representation of packaged air conditioner in Fig. 1.
Figure internal label is: 1, film import, 2, cold wind outlet, 3, transition roller, 4, film, 5, cold wind import, 6, film outlet.
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 Kapton cold treatment process: slobbering machine, packaged air conditioner, vertical machine drawing, packaged air conditioner, transverse stretching machine, packaged air conditioner, high temperature imidization stove, thermal finalization baking oven, packaged air conditioner and winder.
This routine packaged air conditioner as shown in Figure 2, the transition roller 3 that 7 are parallel to each other is had in case, the film 4 entering packaged air conditioner walks around each transition roller 3 successively, and on the cross section perpendicular to roller center line, the traveling process of film 4 is S-shaped, and the time that film 4 processes in each packaged air conditioner is 60 seconds.
This routine packaged air conditioner is thermal-insulating body, arranges cold wind import 5 and cold wind outlet 2 in it, and in case, blow the low temperature in cold wind maintenance packaged air conditioner, box house also can adopt plenum box structure directly blow cold wind to film upper and lower surface and maintain the low temperature in packaged air conditioner.Packaged air conditioner two ends have film import 1 and film outlet 6 respectively.
Each cold wind the temperature inside the box is different.
Temperature after slobbering machine in packaged air conditioner is-50 DEG C.
Temperature after vertical machine drawing in packaged air conditioner is-60 DEG C.
Temperature after transverse stretching machine in packaged air conditioner is-70 DEG C.
Packaged air conditioner the temperature inside the box after thermal finalization baking oven is-80 DEG C.
Comparative example is general Production Line for Polyimide Film, wherein 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 cold treatment at different levels.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
Adopt the Production Line for Polyimide Film gained Kapton of Kapton cold treatment process with compared with cold treatment process gained Kapton by the visible the utility model of table 1, the performance such as electricity, heat, physics all obtains larger improvement.Electrical strength promotes more than 60KV/mm, and dielectric constant declines 0.5, and thermal coefficient of expansion reduces by more than 10%, and shrinkage factor is only about 50% of comparative example, and water absorption rate then reduces more than one times, and hot strength then significantly increases 60MPa, and modulus improves 0.7GPa.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 Kapton cold treatment process, 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; It is characterized in that:
Have packaged air conditioner after described slobbering machine, the Polyamic Acid Film with self-supporting of salivation gained from process in the packaged air conditioner case after slobbering machine, then enters stretching-machine.
2. the Production Line for Polyimide Film of employing Kapton cold treatment process according to claim 1, is characterized in that:
Temperature in packaged air conditioner case after described slobbering machine is-60 ~ 25 DEG C, and the time that film processes in packaged air conditioner is 0.05 ~ 3min.
3. the Production Line for Polyimide Film of employing Kapton cold treatment process according to claim 1, is characterized in that:
Preferred temperature in packaged air conditioner case after described slobbering machine is-50 ~-25 DEG C, and the time that film processes in packaged air conditioner is 0.05 ~ 3min.
4. the Production Line for Polyimide Film of employing Kapton cold 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, have packaged air conditioner after described vertical machine drawing, complete the vertical film drawn through packaged air conditioner, then enter transverse stretching machine; There is packaged air conditioner after transverse stretching machine, complete the horizontal film drawn through packaged air conditioner, then enter high temperature imidization stove thereafter;
If transverse stretching machine front, connect vertical machine drawing thereafter, have packaged air conditioner after described transverse stretching machine, complete the horizontal film drawn through packaged air conditioner, then enter vertical machine drawing; There is packaged air conditioner after vertical machine drawing, complete the vertical film drawn through packaged air conditioner, then enter high temperature imidization stove thereafter;
If bi-directional synchronization stretching-machine, after bi-directional synchronization stretching-machine, there is packaged air conditioner, complete the film of bi-directional synchronization stretching through packaged air conditioner, then enter high temperature imidization stove thereafter;
And/or have packaged air conditioner after thermal finalization baking oven, the film completing thermal finalization enters winder again through packaged air conditioner.
5. the Production Line for Polyimide Film of employing Kapton cold treatment process according to claim 1, is characterized in that:
Temperature in packaged air conditioner case after described thermal finalization baking oven is-90 ~ 0 DEG C;
Packaged air conditioner after described salivation, vertical draw after packaged air conditioner, horizontal draw after packaged air conditioner and thermal finalization after packaged air conditioner, along with close to winder, temperature everywhere in packaged air conditioner case is successively decreased by 10 ~ 30% gradients, and the time that film processes in packaged air conditioner is 0.05 ~ 3min.
6. the Production Line for Polyimide Film of employing Kapton cold treatment process according to claim 4, is characterized in that:
Have the transition roller that 2 ~ 16 are parallel to each other in described packaged air conditioner, the film entering packaged air conditioner walks around each transition roller successively, and on the cross section perpendicular to roller center line, the traveling process of film is S-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420487832.6U CN204036866U (en) | 2014-08-27 | 2014-08-27 | Adopt the Production Line for Polyimide Film of Kapton cold treatment process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420487832.6U CN204036866U (en) | 2014-08-27 | 2014-08-27 | Adopt the Production Line for Polyimide Film of Kapton cold treatment process |
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| Publication Number | Publication Date |
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| CN204036866U true CN204036866U (en) | 2014-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420487832.6U Withdrawn - After Issue CN204036866U (en) | 2014-08-27 | 2014-08-27 | Adopt the Production Line for Polyimide Film of Kapton cold treatment process |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104191633A (en) * | 2014-08-27 | 2014-12-10 | 桂林电器科学研究院有限公司 | Cold processing process and polyimide film production line for manufacturing polyimide film |
-
2014
- 2014-08-27 CN CN201420487832.6U patent/CN204036866U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104191633A (en) * | 2014-08-27 | 2014-12-10 | 桂林电器科学研究院有限公司 | Cold processing process and polyimide film production line for manufacturing polyimide film |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141224 Effective date of abandoning: 20170215 |
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| AV01 | Patent right actively abandoned |