CN102729570A - Production equipment of polyimide multilayer composite membrane containing inorganic nano-powder - Google Patents
Production equipment of polyimide multilayer composite membrane containing inorganic nano-powder Download PDFInfo
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- CN102729570A CN102729570A CN2012101966848A CN201210196684A CN102729570A CN 102729570 A CN102729570 A CN 102729570A CN 2012101966848 A CN2012101966848 A CN 2012101966848A CN 201210196684 A CN201210196684 A CN 201210196684A CN 102729570 A CN102729570 A CN 102729570A
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Abstract
The invention provides production equipment of a polyimide multilayer composite membrane containing inorganic nano-powder. And currently, preparation of polyimide/inorganic nano-composite materials just stays at the laboratory stage, while large-batch industrial production is not carried out. The equipment of the invention comprises a reaction kettle (1), the inside of which is equipped with an ultrasonic generator (2) and an electric heating rod (3) that is connected to a temperature controller (4). The reaction kettle is provided with a feed inlet (5) and an outlet (6). A reagent feeder is arranged at the feed inlet, and the outlet is connected with a membrane spreading machine (8), under which a glass plate (9) is placed. The inside of the reaction kettle is equipped with a stirrer, and a reflux device (10) is mounted on the reaction kettle. The equipment of the invention is used for production of a polyimide multilayer composite membrane containing inorganic nano-powder.
Description
Technical field
The present invention relates to a kind of chemical machinery, be specifically related to a kind of production equipment that contains the polyimide multilayer complex films of inorganic nanometer powder.
Background technology
Polyimides is the loop chain macromolecular compound that contains acid imide ring-type structure in the molecular backbone, is the heterocyclic compound of half trapezium structure.Owing to aromatic rings is arranged in the framework,, also be the highest polymeric material of temperature classification in commercial Application up to now so polymer has higher heat endurance.Because of very stable fragrant heterocycle structure unit is arranged in the polyimide molecule; This makes it have hot property, mechanical performance and the electrical property of the incomparable excellence of other high polymer, therefore obtains in fields such as electric insulation, Aero-Space and microelectronics industry to use widely.Yet along with science and technology development, the raising of material requirements is also exposed high thermal expansion coefficient, lower thermal conductivity and the low corona resistance that polyimide material self exists, this has limited it and has used widely.
In order to adapt to requirements at the higher level, need constantly to synthesize some emerging polyimide materials, not only hope development and improve its synthetic method that more hoping can be through the structurally-modified purpose that changes or control polyimides character that reaches.And the synthetic relatively difficulty of new type polyimide, the common method of therefore improving this point is with introducing inorganic filler in the polyimides.In recent years, the polyimide/inorganic nano composite has obtained broad research, and the adding of nano-oxides such as silica, aluminium oxide, titanium oxide has greatly improved the electrical property and the heat endurance of Kapton.But the introducing of oxide powder has produced a large amount of structural defects for polyimide material on microstructure, often reduced mechanical properties in films.Especially disperse when inhomogeneous when nano-powder, more remarkable for the reduction of film performance.Therefore the preparation of present polyimide/inorganic nano composite only rests on laboratory stage, does not also carry out large batch of commercial production.
Summary of the invention
The objective of the invention is provides a kind of production equipment that contains the polyimide multilayer complex films of inorganic nanometer powder to the problem of above-mentioned existence; Can serialization, carry out the preparation of polyimide/inorganic nano composite in large quantity; And controllability is strong, and production stability is good.
Above-mentioned purpose realizes through following technical scheme:
Contain the production equipment of the polyimide multilayer complex films of inorganic nanometer powder, comprise agitated reactor, ultrasonic generator and electrically heated rod are installed in described agitated reactor the inside; Described electrically heated rod connects temperature controller, has charging aperture and discharging opening on the described agitated reactor, and chemicals feeder is installed at described charging aperture place; Described discharging opening connects film-laying machine through pipeline; Described film-laying machine underneath is equipped with glass plate, and described agitated reactor the inside has mixer, above the described agitated reactor reflux is installed.
The described production equipment that contains the polyimide multilayer complex films of inorganic nanometer powder, described chemicals feeder comprises medicine-chest, described medicine-chest connects drain pipe, on the described drain pipe flowmeter is installed.
The described production equipment that contains the polyimide multilayer complex films of inorganic nanometer powder, described mixer comprises shaft, and one group of sheet frame is installed on the described shaft.
The described production equipment that contains the polyimide multilayer complex films of inorganic nanometer powder, the ultrasonic frequency of described ultrasonic generator are 20-60Hz.
Beneficial effect:
Production technology of the present invention is simple, and is easy to operate, is easy to industrialization, exists potential using value at aspects such as heat proof material, insulating materials.Feed of the present invention and reaction temperature can both precisely be controlled, and automaticity is high, and reaction effect is good.
Description of drawings:
Fig. 1, structural representation of the present invention.
Among the figure: 1, agitated reactor, 2, ultrasonic generator, 3, electrically heated rod, 4, temperature controller, 5, charging aperture, 6, discharging opening, 7, medicine-chest, 8, film-laying machine, 9, glass plate, 10, reflux, 11, drain pipe, 12, flowmeter, 13, shaft, 14 sheet frames.
The specific embodiment
Below in conjunction with the accompanying drawing and the specific embodiment, further illustrate the present invention.
Embodiment 1:
Shown in accompanying drawing 1: the production equipment that contains the polyimide multilayer complex films of inorganic nanometer powder of the present invention; Comprise agitated reactor 1, ultrasonic generator 2 and electrically heated rod 3 are installed in described agitated reactor the inside, and described electrically heated rod connects temperature controller 4; Have charging aperture 5 and discharging opening 6 on the described agitated reactor; Chemicals feeder is installed at described charging aperture place, and described discharging opening connects film-laying machine 8 through pipeline, and described film-laying machine underneath is equipped with glass plate 9; Described agitated reactor the inside has mixer, and reflux 10 is installed above the described agitated reactor.
Embodiment 2:
The described production equipment that contains the polyimide multilayer complex films of inorganic nanometer powder, described chemicals feeder comprises medicine-chest 7, described medicine-chest connects drain pipe 11, and flowmeter 12 is installed on the described drain pipe.
Embodiment 3:
The described production equipment that contains the polyimide multilayer complex films of inorganic nanometer powder, described mixer comprises shaft 13, and one group of sheet frame 14 is installed on the described shaft.
Embodiment 4:
The described production equipment that contains the polyimide multilayer complex films of inorganic nanometer powder, the ultrasonic frequency of described ultrasonic generator are 20-60Hz.
Utilize equipment preparation of the present invention to contain the preparation method of the polyimide multilayer complex films of inorganic nanometer powder: inorganic nanometer powder and a certain amount of silane coupler are joined in the absolute ethyl alcohol; Carry out ultrasonic dispersion, and carry out condensing reflux at a certain temperature and handle; With 4,4 '-diaminodiphenyl ether, pyromellitic acid anhydride is that starting monomer is dissolved in the solvent, polymerization generates polyamic acid solution; Pretreated inorganic nanometer powder is scattered in the solvent through ultrasonic, joins in the polyamic acid solution, prepare the polyamic acid solution that contains inorganic nanometer powder; The polyamic acid solution and the pure polyamic acid solution that will contain inorganic nanometer powder are spread film respectively in order, spread all to carry out hot imidization behind the film and handle, till reaching the required film number of plies and thickness at every turn; Film is put into baking oven carry out the polyimide hybrid multilayer complex films that the hot imidization processing obtains containing inorganic nanometer powder in 50-400 ℃.
Claims (4)
1. production equipment that contains the polyimide multilayer complex films of inorganic nanometer powder; Comprise agitated reactor, it is characterized in that: ultrasonic generator and electrically heated rod are installed in described agitated reactor the inside, and described electrically heated rod connects temperature controller; Have charging aperture and discharging opening on the described agitated reactor; Chemicals feeder is installed at described charging aperture place, and described discharging opening connects film-laying machine through pipeline, and described film-laying machine underneath is equipped with glass plate; Described agitated reactor the inside has mixer, above the described agitated reactor reflux is installed.
2. the production equipment that contains the polyimide multilayer complex films of inorganic nanometer powder according to claim 1 is characterized in that: described chemicals feeder comprises medicine-chest, and described medicine-chest connects drain pipe, on the described drain pipe flowmeter is installed.
3. the production equipment that contains the polyimide multilayer complex films of inorganic nanometer powder according to claim 1 and 2 is characterized in that: described mixer comprises shaft, and one group of sheet frame is installed on the described shaft.
4. the production equipment that contains the polyimide multilayer complex films of inorganic nanometer powder according to claim 1 and 2 is characterized in that: the ultrasonic frequency of described ultrasonic generator is 20-60Hz.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210196684.8A CN102729570B (en) | 2012-06-15 | 2012-06-15 | Production equipment of polyimide multilayer composite membrane containing inorganic nano-powder |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210196684.8A CN102729570B (en) | 2012-06-15 | 2012-06-15 | Production equipment of polyimide multilayer composite membrane containing inorganic nano-powder |
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| CN102729570A true CN102729570A (en) | 2012-10-17 |
| CN102729570B CN102729570B (en) | 2014-12-10 |
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| CN201210196684.8A Active CN102729570B (en) | 2012-06-15 | 2012-06-15 | Production equipment of polyimide multilayer composite membrane containing inorganic nano-powder |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107141796A (en) * | 2017-05-25 | 2017-09-08 | 苏州中亚芯能新材料科技有限公司 | A kind of nano modification polyimides and its preparation system and preparation method |
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| JPH04163116A (en) * | 1990-10-26 | 1992-06-08 | Dainippon Ink & Chem Inc | Method for molding composite molded item and composite molded item |
| CN1475518A (en) * | 2002-08-16 | 2004-02-18 | 林添财 | Method of forming polyimide film and its production equipment |
| CN101698746A (en) * | 2009-11-20 | 2010-04-28 | 宁波今山电子材料有限公司 | Preparation method of electric-conduction polyimide film |
| CN101831175A (en) * | 2010-04-01 | 2010-09-15 | 辽宁科技大学 | Colorless and transparent polyimide nano-composite material membrane and preparation method thereof |
| CN101922061A (en) * | 2010-08-06 | 2010-12-22 | 东华大学 | Polyimide fiber and preparation method thereof |
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2012
- 2012-06-15 CN CN201210196684.8A patent/CN102729570B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04163116A (en) * | 1990-10-26 | 1992-06-08 | Dainippon Ink & Chem Inc | Method for molding composite molded item and composite molded item |
| CN1475518A (en) * | 2002-08-16 | 2004-02-18 | 林添财 | Method of forming polyimide film and its production equipment |
| CN101698746A (en) * | 2009-11-20 | 2010-04-28 | 宁波今山电子材料有限公司 | Preparation method of electric-conduction polyimide film |
| CN101831175A (en) * | 2010-04-01 | 2010-09-15 | 辽宁科技大学 | Colorless and transparent polyimide nano-composite material membrane and preparation method thereof |
| CN101922061A (en) * | 2010-08-06 | 2010-12-22 | 东华大学 | Polyimide fiber and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107141796A (en) * | 2017-05-25 | 2017-09-08 | 苏州中亚芯能新材料科技有限公司 | A kind of nano modification polyimides and its preparation system and preparation method |
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| CN102729570B (en) | 2014-12-10 |
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Effective date of registration: 20181225 Address after: Room 1129, 11th floor, Traffic Bureau Building, 95 Yingbin Avenue, Xinhua Street, Huadu District, Guangzhou City, Guangdong 510800 Patentee after: Guangzhou New Century New Energy Development Co., Ltd. Address before: 210047 Fangshui Road 168-095, Nanjing Chemical Industry Park, Jiangsu Province Patentee before: Nanjing Rongxin Chemical Co., Ltd. |
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Effective date of registration: 20201216 Address after: 210047 -095, Fang Shui Road, Nanjing Chemical Industrial Park, Nanjing, Jiangsu, China, 168 Patentee after: NANJING RONGXIN CHEMICAL INDUSTRIAL Co.,Ltd. Address before: Room 1129, 11th floor, Traffic Bureau Building, 95 Yingbin Avenue, Xinhua Street, Huadu District, Guangzhou City, Guangdong 510800 Patentee before: GUANGZHOU XINSHIJI NEW ENERGY DEVELOPMENT Co.,Ltd. |
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