CN103612463A - Combining device and method of composite PTFE (polytetrafluoroethylene) plate - Google Patents
Combining device and method of composite PTFE (polytetrafluoroethylene) plate Download PDFInfo
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- CN103612463A CN103612463A CN201310577812.8A CN201310577812A CN103612463A CN 103612463 A CN103612463 A CN 103612463A CN 201310577812 A CN201310577812 A CN 201310577812A CN 103612463 A CN103612463 A CN 103612463A
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Abstract
The invention discloses a fluoroplastic combining device and method and provides a combining device and method of a composite PTFE plate, which are capable of completely changing the non-sticky property of fluoroplastic and endowing the PTFE plate with excellent corrosion resistance and enable the PTFE plate to be spliced and combined with other materials. The technical problems that the PTFE plate treatment technology is only limited to surface treatment, and a lining layer is peeled and bulged and even worse, severe safety accidents are resulted because a surface activation layer easily loses effectiveness are solved. The combining device comprises a first drying tunnel and a second drying tunnel which are arranged side by side, wherein a PTFE plate unwinding machine and a composite film unwinding machine are arranged at the inlet end of the first drying tunnel side by side; the PTFE plate and a composite film are synchronously introduced into the first drying tunnel through a fixed-speed base material conveying mechanism after being superposed; a glass fiber cloth unwinding machine is arranged at the inlet end of the second drying tunnel; a plating press is arranged between the outlet ends of the first drying tunnel and the second drying tunnel; the PTFE plate and the composite film, which go out of the first drying tunnel, and glass fiber cloth going out of the second drying tunnel are superposed and then are extruded and combined through the plating press to form the composite PTFE plate; the composite PTFE plate winds a winding roller through a cooling mechanism.
Description
Technical field
The present invention relates to a kind of set composite and method of fluoroplastics, relate in particular to a kind of not viscosity that can thoroughly change fluoroplastics, make PTFE sheet material both there is superior corrosion resistance, can carry out bonding compound PTFE composite plate set composite and method with other materials again.
Background technology
PTFE is as a kind of macromolecular material of function admirable, it has good chemical stability, electrical insulating property, the extremely low coefficient of kinetic friction, nonflammable, resistance to chemical attack and higher mechanical strength, be widely used in all trades and professions, especially the lining of anticorrosion equipment, but because PTFE material wettability is poor, can not be infiltrated by adhesive, thereby limited its application, people start the process that research and development can improve its surface property for this reason, existing PTFE sheet material treatment technology is just confined to surface treatment, process thickness and only have 0.005mm left and right, if be subject to the impact of powerful illumination or temperature, surface active layer can lose efficacy, combined strength bination reduces greatly, be especially in use in the ISO TANK that is able to bear strong corrosion in be lining with, because chemical liquid jolting in length transportation springs up shock, the backing layer making and metal shell have been peeled off drum, just in case tearing, lining must cause the transportation of danger product to be leaked, thereby cause great calamitous security incident.
Chinese patent discloses a kind of PTFE plate activation treatment equipment and method (CN102888011A) thereof, it comprises airtight activation processing chamber, in the both sides of activation processing outdoor, be respectively equipped with let off roll and wind-up roll, in the indoor order of the activation processing corresponding between let off roll and wind-up roll, be arranged with constant speed connecting gear, activation processing mechanism and flushing machine, PTFE plate on let off roll passes through constant speed connecting gear successively through after the activation processing locular wall face of respective side, after activation processing mechanism and flushing machine, pass activation processing locular wall face corresponding to wind-up roll side and be wrapped on wind-up roll.Although this PTFE plate activating treatment method has, energy-conserving and environment-protective, surface active quality are good, efficiency advantages of higher; but the method also belongs to PTFE plate surface treatment method; when therefore same existence is subject to affecting of powerful illumination or temperature, surface active layer easily lost efficacy; combined strength bination is reduced greatly; thereby make backing layer peel off drum; not only can cause the leakage of danger product, when serious, even cause serious accident.
Summary of the invention
The present invention has mainly been to provide a kind of not viscosity that can thoroughly change fluoroplastics; make PTFE sheet material both there is superior corrosion resistance; can carry out bonding compound PTFE composite plate set composite and method with other materials again; solve the PTFE sheet material treatment technology existing in prior art and be just confined to surface treatment; when being subject to the affecting of powerful illumination or temperature, surface active layer easily lost efficacy; combined strength bination is reduced greatly; thereby make backing layer peel off drum; not only can cause the leakage of danger product, when serious, even cause the technical problems such as serious accident.
Above-mentioned technical problem of the present invention is mainly solved by following technical proposals: a kind of PTFE composite plate set composite, comprise the first drying tunnel and the second drying tunnel that are set up in parallel, arrival end at the first drying tunnel is provided with the PTFE plate unreeling machine that is being wound around PTFE plate and the composite membrane unreeling machine that is being wound around composite membrane side by side, PTFE plate and composite membrane are overlapping by synchronous first drying tunnel that imports of base material constant speed connecting gear, arrival end at the second drying tunnel is provided with the glass-fiber-fabric unreeling machine that is being wound around glass fabric, between the port of export of the first drying tunnel and the second drying tunnel, be provided with calender, the PTFE plate of deriving from the first drying tunnel and composite membrane and the glass fabric of deriving from the second drying tunnel are overlapping merges the rear PTFE of formation composite plate by calender extruding, PTFE composite plate is wrapped on wind-up roll again after cooling body cooling.By the first drying tunnel by a surface heating of PTFE to more than fusing point, composite membrane (PFA or fep film) is heated to fusing point above and mutually compound with the fusing face of PTFE, then by the second drying tunnel, the glass fabric of corrosion-and high-temp-resistant is added to uniform temperature, by calender, the PTFE plate surface heat at itself and composite membrane place is forced together and forms PTFE composite plate again, finally after cooling body cools, be wrapped on wind-up roll again, PTFE composite plate has possessed is simultaneously able to bear strong corrosion and high anti-permeability performance, can carry out good bonding with other materials again, while being used for the corrosion-proof lining of high-end electronic chemical product complete set of equipments, after its lining, the peel strength of lining and equipment inner wall is greater than 5N/mm, safe and reliable, thereby change thoroughly the not viscosity of fluoroplastics.
Drive roll can adopt other kinds of drive such as chain transmission, as preferably, described constant speed connecting gear comprises drive roll and driven voller tangent with drive roll and can vertical lift, on drive roll, connecting belt gear, the overlapping rear clamping of composite membrane and PTFE plate is by drive roll and driven voller and extend horizontally in the first drying tunnel.The constant speed connecting gear being formed by drive roll and drive roll, simple in structure, and can guarantee composite membrane and the operation of PTFE plate synchronous uniform velocity; Driven voller can be convenient to the installation of composite membrane and PTFE plate and regulate clamping force during vertical lift; Belt gear drives drive roll, and simple in structure easy to manufacture, easy to installation and maintenance, cost is lower, can relax shock and vibration at work simultaneously, and steady noiselessness moves.
As preferably, described the first drying tunnel comprises the first horizontal pipe body and parallel the first far-infrared heating tube interting in the first horizontal pipe body, horizontal several the first drying tunnel guide rollers vertically below the first far-infrared heating tube, PTFE plate level is supported on the first drying tunnel guide roller, and composite membrane is adjacent with the first far-infrared heating tube and be coaxially laid in the top of PTFE plate.Far-infrared heating tube has fabulous thermal infrared performance, and has the features such as electric heating conversion efficiency is high, energy-efficient performance strong, long service life, guarantees PTFE plate and composite membrane intensification uniformity; PTFE plate level is supported on the first drying tunnel guide roller, has avoided the stretcher strain under Action of Gravity Field of PTFE plate, and can reduce PTFE plate running resistance.
As more preferably, below the first drying tunnel guide roller corresponding to the described first horizontal pipe body port of export, be provided with air inlet, air inlet is communicated with on air blast, above the first far-infrared heating tube corresponding to the first horizontal pipe body arrival end, be provided with exhaust vent, exhaust vent is communicated with on exhaust-gas treatment chamber.In to the heating of PTFE composite surface, by air blast, the non-composite surface of PTFE is carried out to wind cooling temperature lowering, non-composite surface temperature in the depth bounds of 1.5mm of PTFE is remained on below 300 °, avoid the non-composite surface of PTFE because temperature rise is too high, to reduce its decay resistance and anti-permeability performance; Connection is exhaust vent on exhaust-gas treatment chamber, can make the waste gas that in temperature rise, PTFE plate and composite membrane produce rationally be disposed, and improves production environment, and can reduce environmental pollution.
As preferably, described the second drying tunnel comprises the second horizontal pipe body and parallel the second far-infrared heating tube interting in the second horizontal pipe body, horizontal several the second drying tunnel guide rollers vertically below the second far-infrared heating tube, in the first drying tunnel, near above the composite membrane of the port of export, be provided with glass-fiber-fabric guide-in roller, glass fabric passes the second backward lower composite membrane top that is flattened on the first drying tunnel port of export place through glass-fiber-fabric guide-in roller of horizontal pipe body by the first drying tunnel guide roller level.Glass fabric can be heated in the first drying tunnel, heating effect for the ease of simplified structure and assurance PTFE plate, composite membrane and glass fabric, glass fabric is independently provided with the second drying tunnel and carries out heat temperature raising, is beneficial to the fusion of itself and PTFE plate after glass fabric heats up; Glass fabric imports in the first drying tunnel by glass-fiber-fabric guide-in roller, avoids producing temperature drop in recombination process, guarantees composite quality.
Also can be by regulating the rotating speed of glass-fiber-fabric unreeling machine to control the temperature of glass fabric, as preferably, the parallel top that is positioned at the first drying tunnel of described the second drying tunnel, the second drying tunnel is mutually concordant with the port of export of the first drying tunnel, and the length of the second drying tunnel is 2/3 to 1/2 of the first drying tunnel length.Glass fabric temperature rise is too high or too low to be all unfavorable for the fusion of itself and PTFE plate can guaranteeing that by dwindling the length of the second drying tunnel glass fabric temperature rise is in setting range, saves drying tunnel deployment cost.
As preferably, drive roll and lower drive roll and upper drive roll tangent with middle drive roll and can vertical lift in the middle of described calender comprises, the overlapping rear clamping of glass fabric, composite membrane and PTFE plate of deriving from the first drying tunnel is by lower drive roll and middle drive roll, then the clamping that makes progress is by forming PTFE composite plate after middle drive roll and upper drive roll.Three-roller calendar form is vertical type, and transmission is gear-box Worm Wheel System, simple in structure, can guarantee that PTFE composite plate is fully pushed after compound, and fusion fully, further guarantees composite quality; Three rollers tractions can distinguish separately regulate, also can adjusted in concert, and make roller transmission synchronously consistent, upper, middle and lower three roller spacing adopt oil cylinders to control to rise and decline, be convenient to installation and the adjusting clamping force of PTFE composite plate.
As more preferably, described in the middle of drive roll be connected heater with lower drive roll.Centre wherein and lower drive roll adopt outside heat-conducting oil heating mode to heat, configuring external conduction oil die heater is connected swivel joint with conduction oil, by centrifugal oil pump to cylinder Heating Cyclic, upper cylinder is water cold drum, configuration water-cooling swivel joint, middle drive roll and lower drive roll are hot-rolling, upper drive roll is cold roller, make by high crystallization, the PTFE composite plate that high impermeabilisation was processed can be because quick cooling after compound heating destroyed original high anti-permeability performance, thereby make composite plate possess and be able to bear strong corrosion simultaneously, high anti-permeability performance again can be together with other materials good bonding high-quality composite plate.
Adopt a manufacture method for PTFE composite plate, comprise following sequential steps:
1) PTFE plate, composite membrane and the glass fabric of drum are separately fixed on PTFE plate unreeling machine, composite membrane unreeling machine and glass-fiber-fabric unreeling machine, and are fixed on wind-up roll after three's end is overlapping;
2) start the first drying tunnel, the second drying tunnel power supply and be communicated with the air blast at the first drying tunnel port of export;
3) adjust transfer roller clamping force corresponding on constant speed connecting gear and calender to setting value;
4) regulate the temperature corresponding to PTFE plate above and below in the first drying tunnel extremely to set value.
5) synchronously start PTFE plate unreeling machine, composite membrane unreeling machine, glass-fiber-fabric unreeling machine, constant speed connecting gear, calender and wind-up roll, guarantee PTFE plate, composite membrane and the synchronous operation of glass fabric constant speed.
Full-automatic continuous production processes flow process for Combined Mining: PTFE plate and PFA (or fep film) and glass fabric put into respectively on corresponding automatic unreeling machine → sheet material hauling machine traction by wind-up roll front side enters corresponding drying tunnel → PTFE plate and PFA (or fep film) and heat respectively → glass fabric of glass fabric are superposeed with PFA (or FEP) with drying tunnel PTFE plate out out from drying tunnel at drying tunnel, then by calender to product carry out hot pressing compression formation PTFE composite plate → PTFE composite plate under hot by trimming and cooling and shaping → finally by automatic coiling machine, finished product is carried out to rolling; PTFE and glass fabric adopt PFA or FEP as intermediate layer, make the PTFE sheet material after compound thoroughly improve not viscosity, are greater than 5N/mm with the compound rear peel strength of steel.
As preferably, in described the first drying tunnel, corresponding to the temperature of PTFE plate top, be greater than the melting point values of PTFE plate, the temperature of PTFE plate below is less than 300 ℃.Two drying tunnels adopt infrared heating, temperature fluctuation≤± 1 ℃, make the temperature on PTFE plate top reach fusing point above (365 ℃ to 385 ℃), temperature of lower guarantees to be less than 300 °, avoids the non-composite surface of PTFE plate because temperature rise is too high, to reduce its decay resistance and anti-permeability performance.
Therefore, PTFE composite plate set composite of the present invention and method have following advantage:
1) good composite performance, PTFE composite plate can not cause because of the passing of time combined strength bination to decline; (activation processing plate store under the condition of storage of lucifuge also must not over 1 year), combined strength bination is high, and after lining, the peel strength of lining and equipment inner wall is greater than 5N/mm;
2) good anti-permeability performance, composite base material is selected modified ptfe, and its density is greater than 2.19, and crystallization degree is high, and anti-permeability performance is good, is 1.5 times of common PTFE plate;
3) good welding performance, weld seam hot strength is high, is 1.5 times of common PTFE weld strength.
accompanying drawing explanation:
Fig. 1 is the structural representation of PTFE composite plate set composite of the present invention;
Fig. 2 is the structural representation of calender in the present invention.
the specific embodiment:
Below by embodiment, and by reference to the accompanying drawings, technical scheme of the present invention is described in further detail.
Embodiment:
As shown in Figure 1, a kind of PTFE composite plate set composite of the present invention, comprise the first drying tunnel 3 and the second drying tunnel 4 that are set up in parallel, the second parallel top that is positioned at the first drying tunnel 3 of drying tunnel 4, its length is 60% of the first drying tunnel 3 length, and both ports of export are mutually concordant, at the arrival end of the first drying tunnel 3, PTFE plate unreeling machine 2 and a composite membrane unreeling machine 6 that is being wound around composite membrane 5 that is being wound around PTFE plate 1 has been installed side by side, composite membrane 5 is wherein PFA film, composite membrane unreeling machine 6 is upper, PTFE plate unreeling machine 2 is in lower vertical laying, between the arrival end of the first drying tunnel 3 and PTFE plate unreeling machine 2 and composite membrane unreeling machine 6, be provided with constant speed connecting gear, constant speed connecting gear comprise again drive roll 71 and with driven voller 72 tangent and can vertical lift, driven voller 72 is positioned at the top of drive roll 71, drive roll 71 drives by belt gear, composite membrane 5 and PTFE plate are overlapping Shang Xia 1 to be clamped by drive roll 71 and driven voller 72 simultaneously and extends horizontally in the first drying tunnel 3 afterwards, arrival end at the second drying tunnel 4 is provided with a glass-fiber-fabric unreeling machine 11 that is being wound around glass fabric 9, between the port of export of the first drying tunnel 3 and the second drying tunnel 4, be provided with calender 10, the first drying tunnel 3 wherein comprises the first horizontal pipe body 31 and parallel first far-infrared heating tube 32 interting in the first horizontal pipe body 31 of straight tube-like, horizontal several the first drying tunnel guide rollers 33 vertically below the first far-infrared heating tube 32, above interior close the first drying tunnel guide roller 33 of the port of export of the first drying tunnel 3, a glass-fiber-fabric guide-in roller 37 is housed, below the first drying tunnel guide roller 33 corresponding to first horizontal pipe body 31 ports of export, have air inlet 34, air inlet 34 by pipeline communication on air blast 35, above the first far-infrared heating tube 32 corresponding to the first horizontal pipe body 31 arrival ends, have exhaust vent 36, exhaust vent 36 again by pipeline communication on exhaust-gas treatment chamber.The second drying tunnel 4 wherein comprises the second horizontal pipe body 41 and parallel the second far-infrared heating tube 42 interting in the second horizontal pipe body 41, horizontal several the second drying tunnel guide rollers 43 vertically below the second far-infrared heating tube 42, PTFE plate 1 horizontal support is on the first drying tunnel guide roller 33, composite membrane 5 is adjacent with the first far-infrared heating tube 32 and be coaxially laid on PTFE plate 1, glass fabric 9 extends to the interior also horizontal support of the second drying tunnel 4 on the second drying tunnel guide roller 43, and extend into vertically downward in the first drying tunnel 3 when near second drying tunnel 4 port of export, the glass fabric 9 that enters the first drying tunnel 3 is walked around again glass-fiber-fabric guide-in roller 37 to the port of export extension of the first drying tunnel 3, and glass fabric 9 is flattened on the top of composite membrane 5, as shown in Figure 2, calender 10 comprises the upper drive roll 103 of vertical arrangement, middle drive roll 101 and lower drive roll 102, upper drive roll 103 and lower drive roll 102 are tangent with middle drive roll 101 and can vertical lift respectively, the hot-rolling that middle drive roll 101 wherein and lower drive roll 102 are heat-conducting oil heating, upper drive roll 103 is water cooled rolls, glass fabric 9, composite membrane 5 and PTFE plate 1 are synchronous derives after the first drying tunnel 3, clamping is by lower drive roll 102 and middle drive roll 101, the clamping that makes progress again exports to trimmer by middle drive roll 101 and the rear extruding fusion of upper drive roll 103 formation PTFE composite plate 12 and carries out trimming shaping, entering cooling body 8 further lowers the temperature again, finally be wrapped on wind-up roll 13.
During production, comprise following sequential steps:
1) respectively the PTFE plate 1 of drum, composite membrane 5 and glass fabric 9 are fixed on PTFE plate unreeling machine 2, composite membrane unreeling machine 6 and glass-fiber-fabric unreeling machine 11, pull again PTFE plate 1, composite membrane 5 to enter the first drying tunnel 3 through constant speed connecting gear, pull glass fabric 9 to enter the second drying tunnel 4, three derives after collecting in again the port of export of the first drying tunnel 3 simultaneously, then is wrapped on wind-up roll 13 through calender 1 and cooling body 80;
2) start the first drying tunnel 3, the second drying tunnel 4, air blast 35;
3) adjust constant speed connecting gear, and to make transfer roller clamping force corresponding on calender be 800 kilograms;
4) in the first drying tunnel 3, corresponding to PTFE plate 1 top temperature, reach 365 ℃ to 385 ℃, below temperature starts PTFE plate unreeling machine 2, composite membrane unreeling machine 6, glass-fiber-fabric unreeling machine 11, constant speed connecting gear, calender 10 and wind-up roll 13 while being less than 300 ° simultaneously, guarantees PTFE plate 1, composite membrane 5 and glass fabric 9 constant speed synchronous operations.
Specific embodiment described herein is only to design of the present invention explanation for example.Those skilled in the art can make various modifications or supplement or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Claims (10)
1. a PTFE composite plate set composite, it is characterized in that: comprise the first drying tunnel (3) and the second drying tunnel (4) that are set up in parallel, arrival end at the first drying tunnel (3) is provided with the PTFE plate unreeling machine (2) that is being wound around PTFE plate (1) and the composite membrane unreeling machine (6) that is being wound around composite membrane (5) side by side, PTFE plate (1) and composite membrane (5) are overlapping by synchronous the first drying tunnel (3) that imports of base material constant speed connecting gear, arrival end at the second drying tunnel (4) is provided with the glass-fiber-fabric unreeling machine (11) that is being wound around glass fabric (9), between the port of export of the first drying tunnel (3) and the second drying tunnel (4), be provided with calender (10), the PTFE plate (1) of deriving from the first drying tunnel (3) and composite membrane (5) form PTFE composite plate (12) after merging by calender (10) extruding with the glass fabric (9) of deriving from the second drying tunnel (4) is overlapping, PTFE composite plate (12) is wrapped on wind-up roll (13) again after cooling body (8) cooling.
2. PTFE composite plate set composite according to claim 1, it is characterized in that: described constant speed connecting gear comprises drive roll (71) and driven voller (72) tangent with drive roll (71) and can vertical lift, drive roll is connecting belt gear on (71), and composite membrane (5) and the overlapping rear clamping of PTFE plate (1) are by drive roll (71) and driven voller (72) and extend horizontally in the first drying tunnel (3).
3. PTFE composite plate set composite according to claim 1 and 2, it is characterized in that: described the first drying tunnel (3) comprises the first horizontal pipe body (31) and parallel the first far-infrared heating tube (32) interting in the first horizontal pipe body (31), horizontal several the first drying tunnel guide rollers (33) vertically in the below of the first far-infrared heating tube (32), PTFE plate (1) horizontal support is upper at the first drying tunnel guide roller (33), and composite membrane (5) is adjacent with the first far-infrared heating tube (32) and be coaxially laid in the top of PTFE plate (1).
4. PTFE composite plate set composite according to claim 3, it is characterized in that: first drying tunnel guide roller (33) below corresponding at described first horizontal pipe body (31) port of export is provided with air inlet (34), air inlet (34) is communicated with on air blast (35), first far-infrared heating tube (32) top corresponding at the first horizontal pipe body (31) arrival end is provided with exhaust vent (36), and exhaust vent (36) is communicated with on exhaust-gas treatment chamber.
5. PTFE composite plate set composite according to claim 1 and 2, it is characterized in that: described the second drying tunnel (4) comprises the second horizontal pipe body (41) and parallel the second far-infrared heating tube (42) interting in the second horizontal pipe body (41), horizontal several the second drying tunnel guide rollers (43) vertically in the below of the second far-infrared heating tube (42), composite membrane (5) top near the port of export in the first drying tunnel (3) is provided with glass-fiber-fabric guide-in roller (37), glass fabric (9) passes the second backward lower composite membrane (5) top that is flattened on the first drying tunnel (3) port of export place through glass-fiber-fabric guide-in roller (37) of horizontal pipe body (41) by the first drying tunnel guide roller (33) level.
6. PTFE composite plate set composite according to claim 1 and 2, it is characterized in that: the parallel top that is positioned at the first drying tunnel (3) of described the second drying tunnel (4), the second drying tunnel (4) is mutually concordant with the port of export of the first drying tunnel (3), and the length of the second drying tunnel (4) is 2/3 to 1/2 of the first drying tunnel (3) length.
7. PTFE composite plate set composite according to claim 1 and 2, it is characterized in that: drive roll (101) and lower drive roll (102) and upper drive roll (103) tangent with middle drive roll (101) and can vertical lift in the middle of described calender (10) comprises, the glass fabric (9) of deriving from the first drying tunnel (3), composite membrane (5) and the overlapping rear clamping of PTFE plate (1) are by lower drive roll (102) and middle drive roll (101), upwards clamp again by forming PTFE composite plate (12) after middle drive roll (101) and upper drive roll (103).
8. PTFE composite plate set composite according to claim 7, is characterized in that: in the middle of described, drive roll (101) is being connected heater with lower drive roll (102).
9. a manufacture method for PTFE composite plate according to claim 1, is characterized in that: comprise following sequential steps:.
1) the PTFE plate (1) of drum, composite membrane (5) and glass fabric (9) are separately fixed to PTFE plate unreeling machine (2), composite membrane unreeling machine (6) and glass-fiber-fabric unreeling machine (11) above, and after three's end is overlapping, are fixed on wind-up roll (13);
2) start the first drying tunnel (3), the second drying tunnel (4) power supply and be communicated with the air blast (35) at the first drying tunnel (3) port of export;
3) adjust transfer roller clamping force corresponding on constant speed connecting gear and calender to setting value;
4) regulate the temperature corresponding to PTFE plate (1) above and below in the first drying tunnel (3) extremely to set value.
5) synchronously start PTFE plate unreeling machine (2), composite membrane unreeling machine (6), glass-fiber-fabric unreeling machine (11), constant speed connecting gear, calender (10) and wind-up roll (13), guarantee PTFE plate (1), composite membrane (5) and glass fabric (9) constant speed synchronous operation.
10. the manufacture method of PTFE composite plate according to claim 9, is characterized in that: in described the first drying tunnel (3), corresponding to the temperature of PTFE plate (1) top, be greater than the melting point values of PTFE plate (1), the temperature of PTFE plate (1) below is less than 300 ℃.
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| CN201310577812.8A CN103612463B (en) | 2013-11-19 | 2013-11-19 | PTFE composite plate set composite and method |
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| CN201310577812.8A CN103612463B (en) | 2013-11-19 | 2013-11-19 | PTFE composite plate set composite and method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105017985A (en) * | 2015-07-24 | 2015-11-04 | 南通康尔乐复合材料有限公司 | Composite device |
| CN112516919A (en) * | 2020-11-17 | 2021-03-19 | 潘兆金 | High-temperature-resistant and negative-pressure-resistant polytetrafluoroethylene plate lining technology |
| CN113895124A (en) * | 2021-10-27 | 2022-01-07 | 温州赵氟隆有限公司 | Permeation-resistant fluoroplastic product, preparation method and permeation-resistant anticorrosive container equipment |
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| JPS60115440A (en) * | 1983-11-29 | 1985-06-21 | 旭硝子株式会社 | Coating material |
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| CN105017985A (en) * | 2015-07-24 | 2015-11-04 | 南通康尔乐复合材料有限公司 | Composite device |
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| CN113895124A (en) * | 2021-10-27 | 2022-01-07 | 温州赵氟隆有限公司 | Permeation-resistant fluoroplastic product, preparation method and permeation-resistant anticorrosive container equipment |
| CN113895124B (en) * | 2021-10-27 | 2023-04-25 | 温州赵氟隆有限公司 | Permeation-resistant fluoroplastic product, preparation method and permeation-resistant and corrosion-resistant container equipment |
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|---|---|
| CN103612463B (en) | 2015-11-18 |
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