CN203779820U - Automatic control production system for optical polyester film - Google Patents
Automatic control production system for optical polyester film Download PDFInfo
- Publication number
- CN203779820U CN203779820U CN201420208027.5U CN201420208027U CN203779820U CN 203779820 U CN203779820 U CN 203779820U CN 201420208027 U CN201420208027 U CN 201420208027U CN 203779820 U CN203779820 U CN 203779820U
- Authority
- CN
- China
- Prior art keywords
- production
- plc
- automatic control
- control
- trailer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 44
- 230000003287 optical effect Effects 0.000 title abstract description 3
- 229920006267 polyester film Polymers 0.000 title abstract description 3
- 238000001035 drying Methods 0.000 claims abstract description 19
- 239000002699 waste material Substances 0.000 claims abstract description 18
- 238000011084 recovery Methods 0.000 claims abstract description 16
- 239000011248 coating agent Substances 0.000 claims abstract description 6
- 238000000576 coating method Methods 0.000 claims abstract description 6
- 229920000728 polyester Polymers 0.000 claims description 24
- 238000004804 winding Methods 0.000 claims description 18
- 238000003851 corona treatment Methods 0.000 claims description 4
- 238000001179 sorption measurement Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 10
- 230000008569 process Effects 0.000 abstract description 8
- 238000005096 rolling process Methods 0.000 abstract description 8
- 238000005266 casting Methods 0.000 abstract description 4
- 238000012544 monitoring process Methods 0.000 abstract description 4
- 238000004064 recycling Methods 0.000 abstract 1
- 239000010408 film Substances 0.000 description 51
- 230000001276 controlling effect Effects 0.000 description 12
- 238000001816 cooling Methods 0.000 description 8
- 238000005520 cutting process Methods 0.000 description 7
- 238000010438 heat treatment Methods 0.000 description 7
- 230000003068 static effect Effects 0.000 description 6
- 230000008901 benefit Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000005469 granulation Methods 0.000 description 4
- 230000003179 granulation Effects 0.000 description 4
- 239000000203 mixture Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 239000004594 Masterbatch (MB) Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 210000000080 chela (arthropods) Anatomy 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 239000012634 fragment Substances 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000000873 masking effect Effects 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 238000005453 pelletization Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 210000002469 basement membrane Anatomy 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005421 electrostatic potential Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 238000005098 hot rolling Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000011045 prefiltration Methods 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Landscapes
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
Abstract
The utility model discloses an automatic control production system for an optical polyester film. The automatic control production system comprises a burdening system, a drying system, an extruder system, a chip casting system, a longitudinal stretching system, a horizontal stretching system, a traction system, a rolling system and a slitting system, wherein the chip casting system, the longitudinal stretching system, the horizontal stretching system and the slitting system are all connected with a waste recovery system, the outlet end of the waste recovery system is connected with a smashing system connected with the inlet end of the burdening system, and an on-line coating system is arranged between the horizontal stretching system and the longitudinal stretching system; a first thickness control system is arranged between the chip casting system and the longitudinal stretching system, and a second thickness control system is arranged on the traction system located between the horizontal stretching system and the rolling system. The automatic control production system can be used for recycling waste films and realizing centralized and decentralized control on a production line, the organic combination of production control and production management, whole set of automatic production and dynamic monitoring of the whole process.
Description
Technical field
The utility model relates to a kind of polyester blooming production system, is specifically related to a kind of polyester blooming automatic control production system.
Background technology
At present; polyester blooming is mainly used in the aspects such as basal lamina material of FPD, various diaphragms; its main quality index has: fracture strength, elongation at break, light transmittance, mist degree etc.; and in the production process of polyester blooming, the uniformity of film thickness is an important quality index.As the requirement of quality control management, should it be detected in good time and be adjusted, make it in the scope of requirement up to specification, finally produce high-quality blooming.External advanced technologies and equipment has been introduced, absorbed to China's polyester blooming, from the eighties,, and polyester optical thin film is developed rapidly.Design and the processing aspect of current domestic polyester blooming production line also obtain very large progress, and from current polyester blooming output, domestic polyester blooming film not only can meet domestic needs, but also can section port.The quality of polyester blooming, oneself reaches the level of same kind of products at abroad the quality of domestic film.But automatically controlling now and monitoring is only decentralised control, cannot realize centralized Control to combine with decentralised control, thereby cannot guarantee the overall process monitoring of product line, affect the economic benefit of enterprise.And the limit film coming from Traction Station and some useless films of inevitably producing, cannot recycle, increased production cost.
Utility model content
The purpose of this utility model is exactly the defect existing for prior art, providing a kind of can recycle useless film, and can realize centralized Control and the decentralised control of whole production line, realize the combination of production control and production management, thereby further improve the economic benefit of enterprise, can realize a complete set of automated production, realize the polyester blooming automatic control production system of dynamic whole process supervision.
Its technical scheme is: polyester blooming automatic control production system, comprise interconnective feed proportioning system, drying system, extruder system, slab system, vertical pull system, horizontal pull system, trailer system, winding system and splitting system, described slab system, vertical pull system, horizontal pull system are all connected with waste recovery system by waste outlet with splitting system, the port of export of described waste recovery system is connected with crushing system, described crushing system is connected with the arrival end of feed proportioning system, between described horizontal pull system and vertical pull system, is provided with online coating system; The die head place of described slab system is provided with electrostatic adsorption device, and described trailer system is provided with corona treatment plant; Between described slab system and vertical pull system, be provided with the first thickness control system, the trailer system between described horizontal pull system and winding system is provided with the first thickness control system; Described drying system, extruder system, slab system, vertical pull system, horizontal pull system, trailer system, winding system are connected with master control system by circuit respectively with splitting system.
Described master control system comprises a PLC for controlling feed proportioning system and whole drying system, for controlling the 5th PLC of splitting system and waste recovery system, for controlling the 2nd PLC of extruder system and slab system, for controlling the 3rd PLC of vertical pull system, horizontal pull system, trailer system, the first thickness control system and the second thickness control system, and for controlling the 4th PLC of winding system.
Described production system adopts closed loop and open loop combined structure.
In described vertical pull system, horizontal pull system, trailer system and winding system, be provided with tension system.
The port of export of described drying system is provided with filter.
The utility model compared with prior art, have the following advantages: can recycle useless film, and can realize centralized Control and the decentralised control of whole production line, realize the combination of production control and production management, thereby further improve the economic benefit of enterprise, can realize a complete set of automated production, realize dynamic whole process supervision.
Accompanying drawing explanation
Fig. 1 is the structure flow chart of the utility model production system;
Fig. 2 is the control system block diagram of the utility model production system;
Fig. 3 is the structured flowchart of the utility model production system.
The specific embodiment
With reference to Fig. 1, Fig. 2 and Fig. 3, polyester blooming automatic control production system, comprise interconnective feed proportioning system 9, drying system 8, extruder system 7, slab system 6, vertical pull system 5, horizontal pull system 3, trailer system 2, winding system 1 and splitting system 12, described slab system 6, vertical pull system 5, horizontal pull system 3 is all connected with waste recovery system 10 by waste outlet with splitting system 12, the port of export of described waste recovery system 10 is connected with crushing system 11, described crushing system 11 is connected with the arrival end of feed proportioning system 9, between described horizontal pull system 3 and vertical pull system 5, be provided with online coating system 4, the die head place of described slab system 6 is provided with electrostatic adsorption device 14, and described trailer system 2 is provided with corona treatment plant 15, between described slab system 6 and vertical pull system 5, be provided with the first thickness control system 16, the trailer system 2 between described horizontal pull system 3 and winding system 1 is provided with the second thickness control system 17, described drying system 8, extruder system 7, slab system 6, vertical pull system 5, horizontal pull system 3, trailer system 2, winding system 1 are connected with master control system by circuit respectively with splitting system 12.
Described master control system comprises a PLC for controlling feed proportioning system and whole drying system, for controlling the 5th PLC of splitting system and waste recovery system, for controlling the 2nd PLC of extruder system and slab system, for controlling the 3rd PLC of vertical pull system, horizontal pull system, trailer system, the first thickness control system and the second thickness control system, and for controlling the 4th PLC of winding system.
Described production system adopts closed loop and open loop combined structure.Splitting system is an autonomous system.
In described vertical pull system 5, horizontal pull system 3, trailer system 2 and winding system 1, be provided with tension system.According to the level of tightness of film, in vertical machine drawing, import and export tension detection system is set, mainly that import and export guide roller is arranged on to load cell, thereby load cell contrasts and sends signal vertical machine drawing system and the speed maintenance of upstream and downstream equipment are synchronizeed according to testing result and setting data, tension force detecting element is set in system, detect to understand film stretching situation, heat whether enough etc., film as disconnected in no generation, if tension force is shown as zero, report to the police, adopt PLC to measure motor speed and can guarantee tension system stability and high accuracy.The measurement that realizes pulse signal is mainly to realize with the high-speed counting unit of PLC.
After the film of longitudinal stretching is delivered to vertical pull system, in vertical machine drawing porch, by limit film tracker automatic capturing, assurance pincers tool can be clamped film limit effectively.After the preheating of preheating zone, then be heated to draft temperature and carry out cross directional stretch, then carry out thermal finalization processing, increase crystallization, stable pulling orientation process, the size that improves film has heat endurance.After heat treatment, film is sent to trailer system 2.
The port of export of described drying system 8 is provided with filter 13.
Technological process explanation: with reference to Fig. 1 and Fig. 3,
Polyester slice is through being weighed into feed proportioning system 9, after mix is dry to drying tower in drying system 8, enter extruder system 7, in the melt and dissolved melt line that enters of extruder heating, at melt line die head to slab system 6 after thick, fine filter filter, melt is flowed out through chill roll cooling and shaping and is become film sheet by die lip, film sheet enters horizontal pull system 3 and carries out cross directional stretch, sizing, cooling film forming after vertical pull system 5 longitudinal stretchings, through trailer system 2, to the large film of winding system 1 harvest finished product, rolls up.After chill roll He in trailer system 2, be furnished with the first thickness control system 16 and the second thickness control system 17, thickness control system and form film thickness regulating system by the die head of automatic control and adjustment bolt and speed control system and automatically regulate film thickness.The large film volume of finished product cuts into finished product through splitting system 12, after packing, dispatches from the factory.The useless melt piece producing in production process and traction, cut the slitter edge that cuts and useless film enter recovery system can certain proportion reuse after pulverizing granulation again.Splitting system 12 is autonomous systems.When slab enters after electrostatic adsorption device, native system is by being arranged on side high pressure generator effect, the voltage and current of this high pressure generator is all highly stable, and can be divided into the temperature and humidity that main body and limit film two parts carry out automatically regulating separately film head, simulation four seasons environment temperature automatically adjusts, and guarantees that electrostatic potential and electric current be stablely advisable during again without static striped to be adjusted to produce.
Each system specialization:
Feed proportioning system 9: carry out proportioning component according to the wet section of the polyester of different fusing points, moisture, add the masterbatch of additive to enter vibratory sieve and apparatus for separating metals, after enter one-level pulse and be transported to wet chip bunker, according to the requirement of different cultivars film, at blender, place is mixed by a certain percentage, then stops feed bin in the middle of secondary pulse is transported to section.
Drying system 8: polyester slice, master batch section, recovery section are carried out mix and entered the crystallizing bed and drying tower of boiling by swivel feeding valve.
Extrusion system 6: dried polyester slab enters die head after entering static mixer by extruder, prefilter, measuring pump, fine filter again.This die head is automatically to adjust die head, and die head is comprised of high-precision die body and die lip, and die head is divided in the horizontal certain district and independently heats separately, and each district's temperature can independently be adjusted control.The actual (real) thickness that can transmit according to Traction Station system is compared the die gap of automatically adjusting each point with target thickness.Respectively add heat unit and be both furnished with independently air cooling system, guarantee that slab THICKNESS CONTROL is accurate.
Longitudinal stretching system 5: native system is multiple roll transmission device, employing be once step stretching method, from casting film, after hot-rolling preheating, then be heated to draft temperature by infrared heater, progressively stretch, then, after cooling, thermal finalization, deliver to horizontal drawing.Stretch better, adopt 2 groups of limit film infrared heater heating.
Coating system 4: the masking liquid configuring is coated in to non-roll surface online, can significantly improves the performance of face, expand the application of film.This device is first deployed masking liquid to be sprayed onto to the corona surface of film through bar spout, then by gauge stick, is carried out homogenizing, is controlled coating layer thickness, finally carries out baking oven and is dried also preheating, carries out cross directional stretch, and the thickness of coating is determined by the gauge stick adopting.
Cross directional stretch system 3: film enters, preheating zone, drawing zone, nervous heat set zone, laxation shaping district, cooling zone be after the film of longitudinal stretching is delivered to vertical machine drawing, in vertical machine drawing porch, by limit film tracker automatic capturing, assurance pincers tool can be clamped film limit effectively.After preheating, then be heated to draft temperature and carry out cross directional stretch, then carry out thermal finalization processing, increase crystallization, stable pulling orientation process, the size that improves film has heat endurance.After heat treatment, film is sent to Traction Station.
Trailer system 2: the horizontal polyester film of pulling out eliminates through cooling stick, vacuum suction roller, the second calibrator, vacuum suction roller, static the film stretching through vertical, horizontal, after delivering to Traction Station, obtain further cooling, flattening, finished product thickness measuring, trimming (the limit film cutting is delivered to reclaim through vacuum slot and pulverized granulation) and sided corona treatment, then through static, eliminate, last direct winfing is on rotary type tower winder, and the limit film cutting is delivered to and reclaimed pulverizer and pulverize granulation again and recycle by vacuum slot.
Winding system 1: the film of sending here from Traction Station is molded, when delivering to winder, after static is eliminated, by jockey pulley, be sent on rolling steel core, can select contact or clearance-type rolling mode according to thickness difference, under appropriate tension force, pressure, be wound into the large parent roll that quality is higher.When reaching setting value, rolling length can carry out change of lap manually or automatically.
Splitting system 12: adopt high-speed cutter to cut film.Parent roll unreels on station clamped at cutting machine, film end by chain automatically through machine or with machine in existing film bonding, by carry-over pinch rolls, reach cutting roller, before cutting, film is through further eliminating static, and further flattens through limit mould roller and adjustable bow curved roll.The specification needing according to user at carving knife grooved roller place is cut, and the film after cutting is delivered to rolling station, then packs.
Waste recovery system 10: the limit film coming from Traction Station and inevitably produce some useless films, can pulverize, reclaim, re-use and produce film.Fragment through melting, filter, extrude, after granulation, air-dry, pelletizing, reclaim section and is delivered to and reclaims chip bunker recirculation and use by blower fan.Useless film, limit film are first ground into fritter fragment by pulverizer, with extruder, are extruded into slice,, dehydration cooling through tank, pelletizing, then mix in new section, be again produced into film.
With reference to Fig. 2, the utility model totally uses electromechanical integration technology.Adopting IPC centralized procedure control system is a collective and distributive type control system being comprised of upper and lower secondary, will from raw material carry be dried, extrude, slab, vertically draw, horizontally draw, the production process such as traction, rolling and packing, parent roll accumulating is concentrated in a Distributed Control System with the whole polyester blooming production process of cutting, realize a complete set of automated production, realize dynamic whole process supervision.
Master control system comprises work station, printer, manager and control station along the line etc., and it is realized extruder, vertical machine drawing, transverse stretching machine, traction, winder etc. are concentrated to monitoring and controlling.
Electromotive signal line connects control station, control station along the line and connects with work station, manager in master control system.
Master control system is as the maincenter of this control system, allly from PLC communicative indication device and master computer, carry out communication, all real-time control data and state parameter are uploaded to master computer control system, under master computer control system, pass control command to the PLC-the 5th PLC, master computer control system is sent to master control system production line monitored picture and state parameter, and receives the control command of assigning from operator.
PC is used for storing production technology formula and is sent to master computer control system by interface.
Field level the one PLC, the 5th PLC realize all essential function of main line.Every PLC receives instruction from master computer, again all signals of collection in worksite is sent to master computer, and it controls function has: valve is controlled; Temperature is controlled; Speed and the control that stretches; Coordination during production line starting is controlled; Coordination during product change is controlled; Winding control.
Wherein, the one PLC controls that raw material are carried and the data acquisition of the state of all devices such as all heating units of whole drying system, spot sensor, converter, alternating current generator, equipment interlocking, alarm signal, control command, be sent to display show by electromotive signal bundle of lines production line monitored picture and state parameter, and receive the control command of assigning from operator.And there is equipment interlocking signal to send mainframe computer system to and realize the chain of drying system and main line.
The 5th PLC is individual independently system, control parent roll accumulating and cut, and control whole waste recovery state, equipment interlocking, alarm signal, control command and parameter modification and the control of all devices such as all heating units, spot sensor, converter, AC/DC motor of granulating system again, and have equipment interlocking signal to send to from the 2nd PLC to realize waste recovery granulating system and main line chain again.
The 2nd PLC controls extruder, melt line to lifting and coupling, the state of speed control apparatus and the collection of parameter and the demonstration etc. of the temperature of die head, pressure, thickness, speed.The vertical scene eventually of drawing shows the speed ratio of relevant direct current generator, and can modify according to actual conditions.
The 3rd PLC controls state, equipment interlocking, the alarm signal of all devices such as all heating units, spot sensor, converter, AC/DC motor of vertical pull system, horizontal pull system, trailer system, thickness control system, the data acquisition of control command, data upload to master computer and be responsible for receiving all control commands of master computer and parameter modification and under reach all field apparatus.
The 4th PLC controls all functions of whole winder, state, equipment interlocking, alarm signal, control command and the parameter modification of all devices such as the adjustment of tension force pressure, spot sensor, converter, direct current generator and under reach the field apparatus of rolling terminal.
Claims (5)
1. polyester blooming automatic control production system, it is characterized in that: comprise interconnective feed proportioning system, drying system, extruder system, slab system, vertical pull system, horizontal pull system, trailer system, winding system and splitting system, described slab system, vertical pull system, horizontal pull system are all connected with waste recovery system by waste outlet with splitting system, the port of export of described waste recovery system is connected with crushing system, described crushing system is connected with the arrival end of feed proportioning system, between described horizontal pull system and vertical pull system, is provided with online coating system;
The die head place of described slab system is provided with electrostatic adsorption device, and described trailer system is provided with corona treatment plant;
Between described slab system and vertical pull system, be provided with the first thickness control system, the trailer system between described horizontal pull system and winding system is provided with the second thickness control system;
Described drying system, extruder system, slab system, vertical pull system, horizontal pull system, trailer system, winding system are connected with master control system by circuit respectively with splitting system.
2. polyester blooming automatic control production system according to claim 1, it is characterized in that: described master control system comprises a PLC for controlling feed proportioning system and whole drying system, for controlling the 5th PLC of splitting system and waste recovery system, for controlling the 2nd PLC of extruder system and slab system, for controlling the 3rd PLC of vertical pull system, horizontal pull system, trailer system, the first thickness control system and the second thickness control system, and for controlling the 4th PLC of winding system.
3. polyester blooming automatic control production system according to claim 1, is characterized in that: described production system adopts closed loop and open loop combined structure.
4. polyester blooming automatic control production system according to claim 1, is characterized in that: in described vertical pull system, horizontal pull system, trailer system and winding system, be provided with tension system.
5. polyester blooming automatic control production system according to claim 1, is characterized in that: the port of export of described drying system is provided with filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420208027.5U CN203779820U (en) | 2014-04-28 | 2014-04-28 | Automatic control production system for optical polyester film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420208027.5U CN203779820U (en) | 2014-04-28 | 2014-04-28 | Automatic control production system for optical polyester film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203779820U true CN203779820U (en) | 2014-08-20 |
Family
ID=51316045
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420208027.5U Expired - Fee Related CN203779820U (en) | 2014-04-28 | 2014-04-28 | Automatic control production system for optical polyester film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203779820U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107053695A (en) * | 2017-02-14 | 2017-08-18 | 山东胜通集团股份有限公司 | Optical polyester film thermal finalization controls production system |
| WO2019037785A1 (en) * | 2017-08-25 | 2019-02-28 | 北京师范大学 | Composite porous membrane and preparation method therefor and use thereof |
| CN110350155A (en) * | 2018-04-04 | 2019-10-18 | 北京师范大学 | A kind of composite micro porous film of the nanometer fibrous porous layer of the orientation containing transversely draw direction |
| CN113085127A (en) * | 2021-04-22 | 2021-07-09 | 山东胜通光学材料科技有限公司 | Preparation method of thin high-definition precoated base film |
-
2014
- 2014-04-28 CN CN201420208027.5U patent/CN203779820U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107053695A (en) * | 2017-02-14 | 2017-08-18 | 山东胜通集团股份有限公司 | Optical polyester film thermal finalization controls production system |
| WO2019037785A1 (en) * | 2017-08-25 | 2019-02-28 | 北京师范大学 | Composite porous membrane and preparation method therefor and use thereof |
| US11603443B2 (en) | 2017-08-25 | 2023-03-14 | Beijing Normal University | Composite porous membrane and preparation method therefor and use thereof |
| CN110350155A (en) * | 2018-04-04 | 2019-10-18 | 北京师范大学 | A kind of composite micro porous film of the nanometer fibrous porous layer of the orientation containing transversely draw direction |
| CN110350155B (en) * | 2018-04-04 | 2022-01-14 | 北京师范大学 | Composite microporous membrane comprising nanofibrous porous layer oriented in transverse stretching direction |
| CN113085127A (en) * | 2021-04-22 | 2021-07-09 | 山东胜通光学材料科技有限公司 | Preparation method of thin high-definition precoated base film |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203779820U (en) | Automatic control production system for optical polyester film | |
| CN103496239B (en) | Special WVTR (water vapour transmission rate) breathable film and production process thereof | |
| CN102729446A (en) | Linkage production method and device for rubber hose extrusion | |
| CN113619143B (en) | Dry method electrode film preparation device and battery production line thereof | |
| CN107932938A (en) | PET food packaging special-purpose sheet extrusion production line | |
| CN107053695A (en) | Optical polyester film thermal finalization controls production system | |
| CN104494154B (en) | A kind of composite packaging film forming process and its producing device | |
| CN103862687A (en) | Device and method for producing solar backplane back films | |
| CN102848513A (en) | Continuous sponge foaming machine | |
| CN105799178B (en) | Process units for drain bar, splash guard or drainable waterproofing plate | |
| CN102205655A (en) | Continuous production process of polyethylene (PE) breathable film | |
| CN207696840U (en) | A kind of on-line automatic control device of thermoplasticity prepreg | |
| CN206475474U (en) | Optical polyester film thermal finalization controls production system | |
| CN207954863U (en) | A kind of graphene far-infrared electrothermal film automated production equipment | |
| EP1904284B1 (en) | Method for setting the sizes of blown film tubes as well as a blown film system with a control device for carrying out the method | |
| CN102744819B (en) | Tape casting machine, and method for producing ventilating waterproofing membrane using same | |
| CN210791973U (en) | Automatic production line for ultra-wide projection screen PC sheet | |
| CN204431755U (en) | Plastic products sheet forming production line | |
| CN201895410U (en) | Embedded control device for production line of polystyrene foamed frame strips | |
| CN211591208U (en) | Double-line extrusion automatic production system | |
| CN205291551U (en) | Variable width biaxial stretching geogrid system | |
| CN202623109U (en) | Tape casting machine | |
| CN205466893U (en) | Automatic divide strip pelleter | |
| CN204644248U (en) | The continuous automatic manufacturing device of a kind of thermoplastic powder coating | |
| CN205735899U (en) | A kind of pipeline with caliber control function manufactures device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140820 Termination date: 20180428 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |