CN106245392B - A kind of preparation method of high-performance Powerleader synthetic fibre aramid fiber extrusion coating paper - Google Patents
A kind of preparation method of high-performance Powerleader synthetic fibre aramid fiber extrusion coating paper Download PDFInfo
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- CN106245392B CN106245392B CN201610602486.5A CN201610602486A CN106245392B CN 106245392 B CN106245392 B CN 106245392B CN 201610602486 A CN201610602486 A CN 201610602486A CN 106245392 B CN106245392 B CN 106245392B
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
- D21B1/00—Fibrous raw materials or their mechanical treatment
- D21B1/02—Pretreatment of the raw materials by chemical or physical means
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
- D21B1/00—Fibrous raw materials or their mechanical treatment
- D21B1/02—Pretreatment of the raw materials by chemical or physical means
- D21B1/021—Pretreatment of the raw materials by chemical or physical means by chemical means
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
- D21B1/00—Fibrous raw materials or their mechanical treatment
- D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
- D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
- D21B1/30—Defibrating by other means
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F3/00—Press section of machines for making continuous webs of paper
- D21F3/02—Wet presses
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F5/00—Dryer section of machines for making continuous webs of paper
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H13/00—Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material
- D21H13/10—Organic non-cellulose fibres
- D21H13/20—Organic non-cellulose fibres from macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D21H13/26—Polyamides; Polyimides
Abstract
The invention discloses a kind of preparation method of high-performance Powerleader synthetic fibre aramid fiber extrusion coating paper, following steps are specifically included：POD chopped strands are pre-processed；POD chopped strands after pretreatment with fluffer discongest for the first time；Then meta-aramid pulp fibers are added, carry out secondary discongest；Dispersant is finally added, third time is carried out and discongests, obtain suspension；Obtained suspension is injected in sheet forming apparatus and carries out dehydration forming, aramid fiber extrusion coating paper body paper is obtained after squeezing, drying process；The aramid fiber extrusion coating paper body paper progress of gained is hot-forming, obtain high performance aramid fiber extrusion coating paper.Aramid fiber extrusion coating paper preparation method provided by the invention, can maximally utilise the high strength characteristics of chopped strand, improve the strength character of meta-position aramid fiber paper.
Description
Technical field
The invention belongs to paper industry and material industry interleaving techniques field, and it is compound to be related to a kind of high-performance Powerleader synthetic fibre aramid fiber
The preparation method of paper.
Background technology
Using meta-aramid (poly) pulp fibers and meta-aramid chopped strand as raw material, utilize
Modern paper wet papermaking technology is manufactured paper with pulp and hot-forming obtained flaky composite material, is a kind of high-performance synthetic fibers paper substrate
Material.Because it with tough mechanical performance, good dielectric properties, preferable resistance to elevated temperatures and can flexibly be designed
Property, insulating materials, electronic material, structural material can be used as extensive in special dimensions such as aerospace, traffic power, national defense and military
Using.
However, the production domesticization of meta-aramid paper base material is also faced with heavy problem, there are the problem of material quality, fiber to disperse
The problem of with wet laying process and equipment, particularly hot press forming technology problem.The meta-position aramid fiber paper mechanical strength of formation
Can be poor, and parchmentizing phenomenon is serious, resistance to ag(e)ing is poor.The bottleneck further applied as restriction aramid paper.
There is Powerleader synthetic fibre (poly- virtue oxadiazoles) English abbreviation POD, POD fiber excellent heat resistance and Temperature Size to stablize
Property, the heat decomposition temperature of aramid fiber 1313 (meta-aramid), PSA fiber and P84 is respectively 414 DEG C, 422 DEG C and 450 DEG C, POD fibers
Heat decomposition temperature be far above aramid fiber 1313 and PSA fiber, the thermo-oxidative ageing of 65 days, rupture strength retention are passed through at 250 DEG C
For 64%, the percent thermal shrinkage at 300 DEG C is 1%, much smaller than aramid fiber and PSA fiber.POD fibers also have good chemical stabilization
Property, in addition to the concentrated sulfuric acid, oleum, trifluoroacetic acid and polyphosphoric acids, POD fibers do not dissolve in other known solvent.But POD
Fiber is hydrophobic fibre, and dispersion effect is poor in water, and in the dispersion process of synthetic fibre paper slurry, easily wadding gathers and influences
Paper-forming evenness and intensity.The research process of high-performance synthetic fibre paper are being prepared, how to improve the evenness of paper and intensity is mesh
The emphasis of preceding field of papermaking research.
The content of the invention
, can be to greatest extent the object of the present invention is to provide a kind of preparation method of high-performance Powerleader synthetic fibre aramid fiber extrusion coating paper
Using the high strength characteristics of chopped strand, the strength character of meta-position aramid fiber paper is improved.
The technical solution adopted in the present invention is a kind of preparation method of high-performance Powerleader synthetic fibre aramid fiber extrusion coating paper, specific bag
Include following steps：
Step 1, POD chopped strands are pre-processed；
Step 2, with fluffer will discongest for the first time through the pretreated POD chopped strands of step 1；Then add
Meta-aramid pulp fibers, carry out secondary discongest；Dispersant is finally added, third time is carried out and discongests, obtain suspension；
Step 3, the suspension that step 2 obtains is injected in sheet forming apparatus and carries out dehydration forming, through squeezing, drying process
Aramid fiber extrusion coating paper body paper is obtained afterwards；
Step 4, it is the aramid fiber extrusion coating paper body paper progress obtained by step 3 is hot-forming, obtain high performance aramid fiber extrusion coating paper.
The features of the present invention also resides in,
The preprocessing process of wherein step 1 is：
By POD chopped strands molar concentration be 1.0 × 10-3Mol/L~3 × 10-3Mol/L, temperature are 40 DEG C~60 DEG C
Neopelex solution in soak 0.5h~1h, then wash 3~5 times, finally done in 100 DEG C~105 DEG C vacuum
Over dry is dried in dry case.
The mass ratio of POD chopped strands and meta-aramid pulp fibers is 4 wherein in step 2：6.
Dispersant wherein in step 2 is polyethylene glycol oxide, and additive amount is to be starched relative to POD chopped strands and meta-aramid
The 0.05%~0.07% of dregs of rice fiber absolute dry mass, the parameter of discongesting discongested for the first time are：Fluffer discongest 15000r~
25000r；The parameter of discongesting discongested for the second time is：Fluffer discongests 15000r~25000r；What third time was discongested discongests parameter
For：Fluffer discongests 15000r~25000r.
The detailed process of wherein step 3 is：By in the suspension injection sheet forming apparatus obtained by step 2, prepare quantitative
For 100g/m2Aramid paper humidity strip, then squeezes processing 1min~3min through hydraulic press, removes moisture unnecessary in wet sheet, most
Wet sheet after squeezing is handled afterwards is dried in paper baker.
The pressure of hydraulic press is 0.4MPa~0.6MPa wherein in step 3.
Drying temperature wherein in step 3 in paper baker is 95 DEG C~105 DEG C, drying time for 5min~
8min。
The detailed process of wherein step 4 is：
Aramid fiber extrusion coating paper body paper hot pressing 2~4 times on vulcanizing press that step 3 is prepared first, are then placed on again
Hot pressing 1~3 time on three roller hot presses.
Hot compression parameters wherein in step 4 on vulcanizing press are：Hot pressing temperature is 240 DEG C~290 DEG C, hot pressing time
For 2min~10min, hot pressing pressure is 9MPa~21MPa.
Hot compression parameters wherein in step 4 on three roller hot presses are：Hot pressing temperature is 220 DEG C~240 DEG C, hot pressing pressure
100bar~140bar, 0.5~1.5m/min of roller speed.
The invention has the advantages that preparation method provided by the invention is using POD fibers and meta-aramid pulp fibers
As raw material, hot pressing temperature is controlled, temperature is less than the fusing point of fiber so that POD fibers table and partial melting, meta-aramid
Pulp fibers melt, and certain pressure condition causes paper crystallinity to improve, and strand arrangement is more regular in order,
The result of pulp fibers deformation and migration is so that Inter-fiber voids diminish and tail off, bonded area bigger between fiber, fiber knot
The advantages of conjunction is closer, makes into paper tensile index and increases substantially, POD fiber reinforcement meta-position aramid fiber papers is can be to greatest extent
Ground utilizes the high strength characteristics of chopped strand, improves the strength character of meta-position aramid fiber paper.
Brief description of the drawings
Fig. 1 is a kind of hot pressing middle plateform vulcanizer of the preparation method of high-performance Powerleader synthetic fibre aramid fiber extrusion coating paper of the present invention
Influence of the hot pressing temperature to aramid paper strength character；
Fig. 2 is a kind of hot pressing middle plateform vulcanizer of the preparation method of high-performance Powerleader synthetic fibre aramid fiber extrusion coating paper of the present invention
Influence of the hot pressing pressure to aramid paper strength character；
Fig. 3 is a kind of hot pressing middle plateform vulcanizer of the preparation method of high-performance Powerleader synthetic fibre aramid fiber extrusion coating paper of the present invention
Influence of the hot pressing time to aramid paper strength character.
Embodiment
The present invention is described in detail with reference to the accompanying drawings and detailed description.
A kind of preparation method of high-performance Powerleader synthetic fibre aramid fiber extrusion coating paper of the present invention, specifically includes following steps：
Step 1, POD chopped strands are pre-processed；
The preprocessing process of POD chopped strands is：By POD chopped strands molar concentration be 1.0 × 10-3Mol/L~3 ×
10-30.5h~1h is soaked in mol/L, the neopelex solution that temperature is 40 DEG C~60 DEG C, is then washed 3~5 times,
Finally over dry is dried in 100 DEG C~105 DEG C vacuum drying chambers.
Step 2, with fluffer will discongest for the first time through the pretreated POD chopped strands of step 1；Then add
Meta-aramid pulp fibers, carry out secondary discongest；Dispersant is finally added, third time is carried out and discongests, obtain suspension；
The mass ratio of POD chopped strands and meta-aramid pulp fibers is 4：6, dispersant is polyethylene glycol oxide, additive amount
For relative to the 0.05%~0.07% of POD chopped strands and meta-aramid pulp fibers absolute dry mass, that discongests for the first time dredges
Solving parameter is：Fluffer discongests 15000r~25000r, discongests concentration control in mass percent 0.3%；Discongest for the second time
Discongesting parameter is：Fluffer discongests 15000r~25000r, discongests concentration control in mass percent 0.3%；Third time is discongested
Parameter of discongesting be：Fluffer discongests 15000r~25000r, discongests concentration control in mass percent 0.3%, institute of the present invention
The fluffer of use is standard fluffer.
Step 3, the suspension that step 2 obtains is injected in sheet forming apparatus and carries out dehydration forming, through squeezing, drying process
Aramid fiber extrusion coating paper body paper is obtained afterwards；
The detailed process of step 3 is：By in the suspension injection sheet forming apparatus obtained by step 2, prepare quantification of
100g/m2Aramid paper humidity strip, then squeezes processing 1min~3min through hydraulic press, removes moisture unnecessary in wet sheet, finally
Wet sheet after squeezing is handled is dried in paper baker.
The wherein pressure of hydraulic press is 0.4MPa~0.6MPa, and the drying temperature in paper baker is 95 DEG C~105 DEG C,
Drying time is 5min~8min；
Step 4, it is the aramid fiber extrusion coating paper body paper progress obtained by step 3 is hot-forming, obtain high performance aramid fiber extrusion coating paper；Step
Rapid 4 detailed process is：
The aramid fiber body paper that step 3 is prepared first hot pressing 2~4 times on vulcanizing press, are then placed on three rollers heat again
Hot pressing 1~3 time on press；
Hot compression parameters on vulcanizing press are：Hot pressing temperature be 240 DEG C~290 DEG C, hot pressing time for 2min~
10min, hot pressing pressure are 9MPa~21MPa；
Hot compression parameters on three roller hot presses are：Hot pressing temperature is 220 DEG C~240 DEG C, hot pressing pressure 100bar~
140bar, 0.5~1.5m/min of roller speed.
Embodiment 1
POD chopped strands are pre-processed, preprocessing process is：It is 1.0 × 10 in molar concentration-3Mol/L, temperature are
0.5h is soaked in 40 DEG C of neopelex solution, then washes 3 times, is finally dried in 100 DEG C of vacuum drying chambers
Over dry；The pretreated over dry POD chopped strands of 1.27g are weighed, 15000r is discongested in fluffer, discongest concentration control in matter
Percentage 0.3% is measured, 1.90g over dry meta-aramid pulps is then weighed, adds in the POD chopped strand solution through discongesting, then
It is secondary to discongest 15000r, discongest concentration and control in mass percent 0.3%, finally will be relative to POD chopped strands and meta-aramid
0.05% polyethylene glycol oxide of pulp fibers absolute dry mass is added in POD chopped strands and meta-aramid pulp mixed serum,
15000r is discongested, concentration is discongested and controls in mass percent 0.3%, obtain suspension, obtained suspension is injected into sheet forming
In device, quantification of 100g/m is prepared2Aramid paper humidity strip, then squeezes processing 1min through hydraulic press under the pressure of 0.4MPa,
Moisture unnecessary in wet sheet is removed, the wet sheet after finally squeezing is handled is dried in paper baker, drying temperature
Spend for 95 DEG C, drying time 5min, obtain aramid fiber extrusion coating paper body paper；By obtained aramid fiber extrusion coating paper body paper first in vulcanizing press
Upper hot pressing 2 times, hot pressing temperature are 240 DEG C, hot pressing time 2min, hot pressing pressure 9MPa；Then three roller hot presses are placed on again
Upper hot pressing 1 time, hot pressing temperature are 220 DEG C, hot pressing pressure 100bar, and roller speed is 0.5m/min, and it is compound to obtain high performance aramid fiber
Paper.
Embodiment 2
POD chopped strands are pre-processed, preprocessing process is：It is 3.0 × 10 in molar concentration-3Mol/L, temperature are
1h is soaked in 60 DEG C of neopelex solution, is then washed 5 times, is finally dried in 105 DEG C of vacuum drying chambers absolutely
It is dry；The pretreated over dry POD chopped strands of 1.27g are weighed, 25000r is discongested in fluffer, discongest concentration control in quality
Percentage 0.3%, then weighs 1.90g over dry meta-aramid pulps, adds in the POD chopped strand solution through discongesting, again
25000r is discongested, concentration is discongested and controls in mass percent 0.3%, will finally be starched relative to POD chopped strands and meta-aramid
0.07% polyethylene glycol oxide of dregs of rice fiber absolute dry mass adds POD chopped strands with being discongested in meta-aramid pulp mixed serum
25000r, discongests concentration and controls in mass percent 0.3%, obtain suspension, obtained suspension is injected in sheet forming apparatus,
Prepare quantification of 100g/m2Aramid paper humidity strip, then squeezes under the pressure of 0.6MPa processing 3min through hydraulic press, except drying
Unnecessary moisture in the scraps of paper, the wet sheet after finally squeezing is handled are dried in paper baker, drying temperature 105
DEG C, drying time 8min, obtains aramid fiber extrusion coating paper body paper；By the first hot pressing on vulcanizing press of obtained aramid fiber extrusion coating paper body paper
4 times, hot pressing temperature is 290 DEG C, hot pressing time 10min, hot pressing pressure 21MPa；Then it is placed on again on three roller hot presses hot
Pressure 3 times, hot pressing temperature are 240 DEG C, hot pressing pressure 140bar, and roller speed is 1.5m/min, obtains high performance aramid fiber extrusion coating paper.
Embodiment 3
POD chopped strands are pre-processed, preprocessing process is：It is 2.0 × 10 in molar concentration-3Mol/L, temperature are
0.75h is soaked in 50 DEG C of neopelex solution, then washes 4 times, is finally dried in 102 DEG C of vacuum drying chambers
Over dry；The pretreated over dry POD chopped strands of 1.27g are weighed, 20000r is discongested in fluffer, discongest concentration control in matter
Percentage 0.3% is measured, 1.90g over dry meta-aramid pulps is then weighed, adds in the POD chopped strand solution through discongesting, then
It is secondary to discongest 20000r, discongest concentration and control in mass percent 0.3%, finally will be relative to POD chopped strands and meta-aramid
0.06% polyethylene glycol oxide of pulp fibers absolute dry mass is added in POD chopped strands and meta-aramid pulp mixed serum,
20000r is discongested, concentration is discongested and controls in mass percent 0.3%, obtain suspension, obtained suspension is injected into sheet forming
In device, quantification of 100g/m is prepared2Aramid paper humidity strip, then squeezes processing 2min through hydraulic press under the pressure of 0.5MPa,
Moisture unnecessary in wet sheet is removed, the wet sheet after finally squeezing is handled is dried in paper baker, drying temperature
Spend for 100 DEG C, drying time 6.5min, obtain aramid fiber extrusion coating paper body paper；By obtained aramid fiber extrusion coating paper body paper first in tablet sulphur
Hot pressing 3 times on change machine, hot pressing temperature are 240 DEG C, hot pressing time 8min, hot pressing pressure 15MPa；Then three rollers heat is placed on again
Hot pressing 2 times on press, hot pressing temperature are 230 DEG C, hot pressing pressure 120bar, and roller speed is 1m/min, and obtaining tensile index is
34.0N·m·g-1Aramid fiber extrusion coating paper.
Embodiment 4
POD chopped strands are pre-processed, preprocessing process is：It is 2.0 × 10 in molar concentration-3Mol/L, temperature are
0.75h is soaked in 50 DEG C of neopelex solution, then washes 4 times, is finally dried in 102 DEG C of vacuum drying chambers
Over dry；The pretreated over dry POD chopped strands of 1.27g are weighed, 20000r is discongested in fluffer, discongest concentration control in matter
Percentage 0.3% is measured, 1.90g over dry meta-aramid pulps is then weighed, adds in the POD chopped strand solution through discongesting, then
It is secondary to discongest 20000r, discongest concentration and control in mass percent 0.3%, finally will be relative to POD chopped strands and meta-aramid
0.06% polyethylene glycol oxide of pulp fibers absolute dry mass is added in POD chopped strands and meta-aramid pulp mixed serum,
20000r is discongested, concentration is discongested and controls in mass percent 0.3%, obtain suspension, obtained suspension is injected into sheet forming
In device, quantification of 100g/m is prepared2Aramid paper humidity strip, then squeezes processing 2min through hydraulic press under the pressure of 0.5MPa,
Moisture unnecessary in wet sheet is removed, the wet sheet after finally squeezing is handled is dried in paper baker, drying temperature
Spend for 100 DEG C, drying time 6.5min, obtain aramid fiber extrusion coating paper body paper；By obtained aramid fiber extrusion coating paper body paper first in tablet sulphur
Hot pressing 3 times on change machine, hot pressing temperature are 250 DEG C, hot pressing time 8min, hot pressing pressure 15MPa；Then three rollers heat is placed on again
Hot pressing 2 times on press, hot pressing temperature are 230 DEG C, hot pressing pressure 120bar, and roller speed is 1m/min, and obtaining tensile index is
60.2N·m·g-1Aramid fiber extrusion coating paper.
Embodiment 5
POD chopped strands are pre-processed, preprocessing process is：It is 2.0 × 10 in molar concentration-3Mol/L, temperature are
0.75h is soaked in 50 DEG C of neopelex solution, then washes 4 times, is finally dried in 102 DEG C of vacuum drying chambers
Over dry；The pretreated over dry POD chopped strands of 1.27g are weighed, concentration is discongested and controls in mass percent 0.3%, then claim
1.90g over dry meta-aramid pulps are taken, is added in the POD chopped strand solution through discongesting, is discongested 20000r again, discongest concentration
Control is in mass percent 0.3%, finally by relative to POD chopped strands and meta-aramid pulp fibers absolute dry mass
0.06% polyethylene glycol oxide adds POD chopped strands with meta-aramid pulp mixed serum, discongesting 20000r, discongesting concentration
Control in mass percent 0.3%, obtain suspension, obtained suspension is injected in sheet forming apparatus, is prepared quantification of
100g/m2Aramid paper humidity strip, then squeezes processing 2min through hydraulic press under the pressure of 0.5MPa, and it is unnecessary in wet sheet to remove
Moisture, the wet sheet after finally squeezing is handled are dried in paper baker, and drying temperature is 100 DEG C, drying time
For 6.5min, aramid fiber extrusion coating paper body paper is obtained；By first hot pressing 3 times, the hot pressing on vulcanizing press of obtained aramid fiber extrusion coating paper body paper
Temperature is 260 DEG C, hot pressing time 8min, hot pressing pressure 15MPa；Then hot pressing 2 times, hot pressing on three roller hot presses are placed on again
Temperature is 230 DEG C, hot pressing pressure 120bar, and roller speed is 1m/min, and it is 66.1Nmg to obtain tensile index-1Aramid fiber it is compound
Paper.
Embodiment 6
POD chopped strands are pre-processed, preprocessing process is：It is 2.0 × 10 in molar concentration-3Mol/L, temperature are
0.75h is soaked in 50 DEG C of neopelex solution, then washes 4 times, is finally dried in 102 DEG C of vacuum drying chambers
Over dry；The pretreated over dry POD chopped strands of 1.27g are weighed, 20000r is discongested in fluffer, discongest concentration control in matter
Percentage 0.3% is measured, 1.90g over dry meta-aramid pulps is then weighed, adds in the POD chopped strand solution through discongesting, then
It is secondary to discongest 20000r, discongest concentration and control in mass percent 0.3%, finally will be relative to POD chopped strands and meta-aramid
0.06% polyethylene glycol oxide of pulp fibers absolute dry mass is added in POD chopped strands and meta-aramid pulp mixed serum,
20000r is discongested, concentration is discongested and controls in mass percent 0.3%, obtain suspension, obtained suspension is injected into sheet forming
In device, quantification of 100g/m is prepared2Aramid paper humidity strip, then squeezes processing 2min through hydraulic press under the pressure of 0.5MPa,
Moisture unnecessary in wet sheet is removed, the wet sheet after finally squeezing is handled is dried in paper baker, drying temperature
Spend for 100 DEG C, drying time 6.5min, obtain aramid fiber extrusion coating paper body paper；By obtained aramid fiber extrusion coating paper body paper first in tablet sulphur
Hot pressing 3 times on change machine, hot pressing temperature are 270 DEG C, hot pressing time 8min, hot pressing pressure 15MPa；Then three rollers heat is placed on again
Hot pressing 2 times on press, hot pressing temperature are 230 DEG C, hot pressing pressure 120bar, and roller speed is 1m/min, and obtaining tensile index is
73.5N·m·g-1Aramid fiber extrusion coating paper.
Embodiment 7
POD chopped strands are pre-processed, preprocessing process is：It is 2.0 × 10 in molar concentration-3Mol/L, temperature are
0.75h is soaked in 50 DEG C of neopelex solution, then washes 4 times, is finally dried in 102 DEG C of vacuum drying chambers
Over dry；The pretreated over dry POD chopped strands of 1.27g are weighed, 20000r is discongested in fluffer, discongest concentration control in matter
Percentage 0.3% is measured, 1.90g over dry meta-aramid pulps is then weighed, adds in the POD chopped strand solution through discongesting, then
It is secondary to discongest 20000r, discongest concentration and control in mass percent 0.3%, finally will be relative to POD chopped strands and meta-aramid
0.06% polyethylene glycol oxide of pulp fibers absolute dry mass is added in POD chopped strands and meta-aramid pulp mixed serum,
20000r is discongested, concentration is discongested and controls in mass percent 0.3%, obtain suspension, obtained suspension is injected into sheet forming
In device, quantification of 100g/m is prepared2Aramid paper humidity strip, then squeezes processing 2min through hydraulic press under the pressure of 0.5MPa,
Moisture unnecessary in wet sheet is removed, the wet sheet after finally squeezing is handled is dried in paper baker, drying temperature
Spend for 100 DEG C, drying time 6.5min, obtain aramid fiber extrusion coating paper body paper；By obtained aramid fiber extrusion coating paper body paper first in tablet sulphur
Hot pressing 3 times on change machine, hot pressing temperature are 280 DEG C, hot pressing time 8min, hot pressing pressure 15MPa；Then three rollers heat is placed on again
Hot pressing 2 times on press, hot pressing temperature are 230 DEG C, hot pressing pressure 120bar, and roller speed is 1m/min, and obtaining tensile index is
95.9N·m·g-1Aramid fiber extrusion coating paper.
Embodiment 8
POD chopped strands are pre-processed, preprocessing process is：It is 2.0 × 10 in molar concentration-3Mol/L, temperature are
0.75h is soaked in 50 DEG C of neopelex solution, then washes 4 times, is finally dried in 102 DEG C of vacuum drying chambers
Over dry；The pretreated over dry POD chopped strands of 1.27g are weighed, 20000r is discongested in fluffer, discongest concentration control in matter
Percentage 0.3% is measured, 1.90g over dry meta-aramid pulps is then weighed, adds in the POD chopped strand solution through discongesting, then
It is secondary to discongest 20000r, discongest concentration and control in mass percent 0.3%, finally will be relative to POD chopped strands and meta-aramid
0.06% polyethylene glycol oxide of pulp fibers absolute dry mass is added in POD chopped strands and meta-aramid pulp mixed serum,
20000r is discongested, concentration is discongested and controls in mass percent 0.3%, obtain suspension, obtained suspension is injected into sheet forming
In device, quantification of 100g/m is prepared2Aramid paper humidity strip, then squeezes processing 2min through hydraulic press under the pressure of 0.5MPa,
Moisture unnecessary in wet sheet is removed, the wet sheet after finally squeezing is handled is dried in paper baker, drying temperature
Spend for 100 DEG C, drying time 6.5min, obtain aramid fiber extrusion coating paper body paper；By obtained aramid fiber extrusion coating paper body paper first in tablet sulphur
Hot pressing 3 times on change machine, hot pressing temperature are 290 DEG C, hot pressing time 8min, hot pressing pressure 15MPa；Then three rollers heat is placed on again
Hot pressing 2 times on press, hot pressing temperature are 230 DEG C, hot pressing pressure 120bar, and roller speed is 1m/min, and obtaining tensile index is
95.6N·m·g-1Aramid fiber extrusion coating paper.
In the aramid fiber extrusion coating paper preparation process of above example 3~8, remaining technological parameter is constant, to vulcanizing press
Hot pressing temperature be optimized, the Testing index of optimization is the measure of tensile index, if table 1 below is Optimal Experimental middle plateform sulphur
Influence of the change machine under different hot pressing temperatures to aramid fiber extrusion coating paper strength character：
Table 1
Optimum results are as shown in Figure 1, as shown in Figure 1, when carrying out hot pressing using vulcanizing press, in certain silicon carbide
Under, with the rise of temperature, the tensile index of aramid fiber extrusion coating paper gradually increases, and 280 DEG C when being vulcanizing press hot pressing most
Good temperature.Since fiber is similar with the chemical constitution of matrix, different melting points therebetween are smaller, cause processing temperature section compared with
Narrow, inappropriate processing temperature can make the melting of fiber-wall-element model structure and cause fiber proportion in whole material smaller,
Cause large effect to the performance of material, thus the selection of hot pressing temperature be in aramid fiber extrusion coating paper preparation process it is crucial because
Element.
Embodiment 9
POD chopped strands are pre-processed, preprocessing process is：It is 2.0 × 10 in molar concentration-3Mol/L, temperature are
0.75h is soaked in 50 DEG C of neopelex solution, then washes 4 times, is finally dried in 102 DEG C of vacuum drying chambers
Over dry；The pretreated over dry POD chopped strands of 1.27g are weighed, 20000r is discongested in fluffer, discongest concentration control in matter
Percentage 0.3% is measured, 1.90g over dry meta-aramid pulps is then weighed, adds in the POD chopped strand solution through discongesting, then
It is secondary to discongest 20000r, discongest concentration and control in mass percent 0.3%, finally will be relative to POD chopped strands and meta-aramid
0.06% polyethylene glycol oxide of pulp fibers absolute dry mass is added in POD chopped strands and meta-aramid pulp mixed serum,
20000r is discongested, concentration is discongested and controls in mass percent 0.3%, obtain suspension, obtained suspension is injected into sheet forming
In device, quantification of 100g/m is prepared2Aramid paper humidity strip, then squeezes processing 2min through hydraulic press under the pressure of 0.5MPa,
Moisture unnecessary in wet sheet is removed, the wet sheet after finally squeezing is handled is dried in paper baker, drying temperature
Spend for 100 DEG C, drying time 6.5min, obtain aramid fiber extrusion coating paper body paper；By obtained aramid fiber extrusion coating paper body paper first in tablet sulphur
Hot pressing 3 times on change machine, hot pressing temperature are 280 DEG C, hot pressing time 8min, hot pressing pressure 9MPa；Then three rollers heat is placed on again
Hot pressing 2 times on press, hot pressing temperature are 230 DEG C, hot pressing pressure 120bar, and roller speed is 1m/min, and obtaining tensile index is
67.1N·m·g-1Aramid fiber extrusion coating paper.
Embodiment 10
POD chopped strands are pre-processed, preprocessing process is：It is 2.0 × 10 in molar concentration-3Mol/L, temperature are
0.75h is soaked in 50 DEG C of neopelex solution, then washes 4 times, is finally dried in 102 DEG C of vacuum drying chambers
Over dry；The pretreated over dry POD chopped strands of 1.27g are weighed, 20000r is discongested in fluffer, discongest concentration control in matter
Percentage 0.3% is measured, 1.90g over dry meta-aramid pulps is then weighed, adds in the POD chopped strand solution through discongesting, then
It is secondary to discongest 20000r, discongest concentration and control in mass percent 0.3%, finally will be relative to POD chopped strands and meta-aramid
0.06% polyethylene glycol oxide of pulp fibers absolute dry mass is added in POD chopped strands and meta-aramid pulp mixed serum,
20000r is discongested, concentration is discongested and controls in mass percent 0.3%, obtain suspension, obtained suspension is injected into sheet forming
In device, quantification of 100g/m is prepared2Aramid paper humidity strip, then squeezes processing 2min through hydraulic press under the pressure of 0.5MPa,
Moisture unnecessary in wet sheet is removed, the wet sheet after finally squeezing is handled is dried in paper baker, drying temperature
Spend for 100 DEG C, drying time 6.5min, obtain aramid fiber extrusion coating paper body paper；By obtained aramid fiber extrusion coating paper body paper first in tablet sulphur
Hot pressing 3 times on change machine, hot pressing temperature are 280 DEG C, hot pressing time 8min, hot pressing pressure 12MPa；Then three rollers heat is placed on again
Hot pressing 2 times on press, hot pressing temperature are 230 DEG C, hot pressing pressure 120bar, and roller speed is 1m/min, and obtaining tensile index is
78.4N·m·g-1Aramid fiber extrusion coating paper.
Embodiment 11
POD chopped strands are pre-processed, preprocessing process is：It is 2.0 × 10 in molar concentration-3Mol/L, temperature are
0.75h is soaked in 50 DEG C of neopelex solution, then washes 4 times, is finally dried in 102 DEG C of vacuum drying chambers
Over dry；The pretreated over dry POD chopped strands of 1.27g are weighed, 20000r is discongested in fluffer, discongest concentration control in matter
Percentage 0.3% is measured, 1.90g over dry meta-aramid pulps is then weighed, adds in the POD chopped strand solution through discongesting, then
It is secondary to discongest 20000r, discongest concentration and control in mass percent 0.3%, finally will be relative to POD chopped strands and meta-aramid
0.06% polyethylene glycol oxide of pulp fibers absolute dry mass is added in POD chopped strands and meta-aramid pulp mixed serum,
20000r is discongested, concentration is discongested and controls in mass percent 0.3%, obtain suspension, obtained suspension is injected into sheet forming
In device, quantification of 100g/m is prepared2Aramid paper humidity strip, then squeezes processing 2min through hydraulic press under the pressure of 0.5MPa,
Moisture unnecessary in wet sheet is removed, the wet sheet after finally squeezing is handled is dried in paper baker, drying temperature
Spend for 100 DEG C, drying time 6.5min, obtain aramid fiber extrusion coating paper body paper；By obtained aramid fiber extrusion coating paper body paper first in tablet sulphur
Hot pressing 3 times on change machine, hot pressing temperature are 280 DEG C, hot pressing time 8min, hot pressing pressure 18MPa；Then three rollers heat is placed on again
Hot pressing 2 times on press, hot pressing temperature are 230 DEG C, hot pressing pressure 120bar, and roller speed is 1m/min, and obtaining tensile index is
92.7N·m·g-1Aramid fiber extrusion coating paper.
Embodiment 12
POD chopped strands are pre-processed, preprocessing process is：It is 2.0 × 10 in molar concentration-3Mol/L, temperature are
0.75h is soaked in 50 DEG C of neopelex solution, then washes 4 times, is finally dried in 102 DEG C of vacuum drying chambers
Over dry；The pretreated over dry POD chopped strands of 1.27g are weighed, 20000r is discongested in fluffer, discongest concentration control in matter
Percentage 0.3% is measured, 1.90g over dry meta-aramid pulps is then weighed, adds in the POD chopped strand solution through discongesting, then
It is secondary to discongest 20000r, discongest concentration and control in mass percent 0.3%, finally will be relative to POD chopped strands and meta-aramid
0.06% polyethylene glycol oxide of pulp fibers absolute dry mass is added in POD chopped strands and meta-aramid pulp mixed serum,
20000r is discongested, concentration is discongested and controls in mass percent 0.3%, obtain suspension, obtained suspension is injected into sheet forming
In device, quantification of 100g/m is prepared2Aramid paper humidity strip, then squeezes processing 2min through hydraulic press under the pressure of 0.5MPa,
Moisture unnecessary in wet sheet is removed, the wet sheet after finally squeezing is handled is dried in paper baker, drying temperature
Spend for 100 DEG C, drying time 6.5min, obtain aramid fiber extrusion coating paper body paper；By obtained aramid fiber extrusion coating paper body paper first in tablet sulphur
Hot pressing 3 times on change machine, hot pressing temperature are 280 DEG C, hot pressing time 8min, hot pressing pressure 21MPa；Then three rollers heat is placed on again
Hot pressing 2 times on press, hot pressing temperature are 230 DEG C, hot pressing pressure 120bar, and roller speed is 1m/min, and obtaining tensile index is
83.5N·m·g-1Aramid fiber extrusion coating paper.
In the aramid fiber extrusion coating paper preparation process of above example 7,9,10,11,12, remaining technological parameter is constant, to flat
The hot pressing pressure of plate vulcanizer is optimized, and the Testing index of optimization is the measure of tensile index, if table 2 below is Optimal Experimental
Influence of the middle plateform vulcanizer under different hot pressing pressures to aramid paper strength character：
Table 2
The results are shown in Figure 1 for optimization, as shown in Figure 2, when carrying out hot pressing using vulcanizing press, in certain pressure section
Under, with the rise of pressure, the tensile index of aramid fiber extrusion coating paper gradually increases, and under the pressure of 18Mpa, aramid fiber extrusion coating paper
Paper performance is best.
Embodiment 13
POD chopped strands are pre-processed, preprocessing process is：It is 2.0 × 10 in molar concentration-3Mol/L, temperature are
0.75h is soaked in 50 DEG C of neopelex solution, then washes 4 times, is finally dried in 102 DEG C of vacuum drying chambers
Over dry；The pretreated over dry POD chopped strands of 1.27g are weighed, 20000r is discongested in fluffer, discongest concentration control in matter
Percentage 0.3% is measured, 1.90g over dry meta-aramid pulps is then weighed, adds in the POD chopped strand solution through discongesting, then
It is secondary to discongest 20000r, discongest concentration and control in mass percent 0.3%, finally will be relative to POD chopped strands and meta-aramid
0.06% polyethylene glycol oxide of pulp fibers absolute dry mass is added in POD chopped strands and meta-aramid pulp mixed serum,
20000r is discongested, concentration is discongested and controls in mass percent 0.3%, obtain suspension, obtained suspension is injected into sheet forming
In device, quantification of 100g/m is prepared2Aramid paper humidity strip, then squeezes processing 2min through hydraulic press under the pressure of 0.5MPa,
Moisture unnecessary in wet sheet is removed, the wet sheet after finally squeezing is handled is dried in paper baker, drying temperature
Spend for 100 DEG C, drying time 6.5min, obtain aramid fiber extrusion coating paper body paper；By obtained aramid fiber extrusion coating paper body paper first in tablet sulphur
Hot pressing 3 times on change machine, hot pressing temperature are 280 DEG C, hot pressing time 2min, hot pressing pressure 15MPa；Then three rollers heat is placed on again
Hot pressing 2 times on press, hot pressing temperature are 230 DEG C, hot pressing pressure 120bar, and roller speed is 1m/min, and obtaining tensile index is
69.3N·m·g-1Aramid fiber extrusion coating paper.
Embodiment 14
POD chopped strands are pre-processed, preprocessing process is：It is 2.0 × 10 in molar concentration-3Mol/L, temperature are
0.75h is soaked in 50 DEG C of neopelex solution, then washes 4 times, is finally dried in 102 DEG C of vacuum drying chambers
Over dry；The pretreated over dry POD chopped strands of 1.27g are weighed, 20000r is discongested in fluffer, discongest concentration control in matter
Percentage 0.3% is measured, 1.90g over dry meta-aramid pulps is then weighed, adds in the POD chopped strand solution through discongesting, then
It is secondary to discongest 20000r, discongest concentration and control in mass percent 0.3%, finally will be relative to POD chopped strands and meta-aramid
0.06% polyethylene glycol oxide of pulp fibers absolute dry mass is added in POD chopped strands and meta-aramid pulp mixed serum,
20000r is discongested, concentration is discongested and controls in mass percent 0.3%, obtain suspension, obtained suspension is injected into sheet forming
In device, quantification of 100g/m is prepared2Aramid paper humidity strip, then squeezes processing 2min through hydraulic press under the pressure of 0.5MPa,
Moisture unnecessary in wet sheet is removed, the wet sheet after finally squeezing is handled is dried in paper baker, drying temperature
Spend for 100 DEG C, drying time 6.5min, obtain aramid fiber extrusion coating paper body paper；By obtained aramid fiber extrusion coating paper body paper first in tablet sulphur
Hot pressing 3 times on change machine, hot pressing temperature are 280 DEG C, hot pressing time 4min, hot pressing pressure 15MPa；Then three rollers heat is placed on again
Hot pressing 2 times on press, hot pressing temperature are 230 DEG C, hot pressing pressure 120bar, and roller speed is 1m/min, and obtaining tensile index is
78.2N·m·g-1Aramid fiber extrusion coating paper.
Embodiment 15
POD chopped strands are pre-processed, preprocessing process is：It is 2.0 × 10 in molar concentration-3Mol/L, temperature are
0.75h is soaked in 50 DEG C of neopelex solution, then washes 4 times, is finally dried in 102 DEG C of vacuum drying chambers
Over dry；The pretreated over dry POD chopped strands of 1.27g are weighed, 20000r is discongested in fluffer, discongest concentration control in matter
Percentage 0.3% is measured, 1.90g over dry meta-aramid pulps is then weighed, adds in the POD chopped strand solution through discongesting, then
It is secondary to discongest 20000r, discongest concentration and control in mass percent 0.3%, finally will be relative to POD chopped strands and meta-aramid
0.06% polyethylene glycol oxide of pulp fibers absolute dry mass is added in POD chopped strands and meta-aramid pulp mixed serum,
20000r is discongested, concentration is discongested and controls in mass percent 0.3%, obtain suspension, obtained suspension is injected into sheet forming
In device, quantification of 100g/m is prepared2Aramid paper humidity strip, then squeezes processing 2min through hydraulic press under the pressure of 0.5MPa,
Moisture unnecessary in wet sheet is removed, the wet sheet after finally squeezing is handled is dried in paper baker, drying temperature
Spend for 100 DEG C, drying time 6.5min, obtain aramid fiber extrusion coating paper body paper；By obtained aramid fiber extrusion coating paper body paper first in tablet sulphur
Hot pressing 3 times on change machine, hot pressing temperature are 280 DEG C, hot pressing time 6min, hot pressing pressure 15MPa；Then three rollers heat is placed on again
Hot pressing 2 times on press, hot pressing temperature are 230 DEG C, hot pressing pressure 120bar, and roller speed is 1m/min, and obtaining tensile index is
84.2N·m·g-1Aramid fiber extrusion coating paper.
Embodiment 16
POD chopped strands are pre-processed, preprocessing process is：It is 2.0 × 10 in molar concentration-3Mol/L, temperature are
0.75h is soaked in 50 DEG C of neopelex solution, then washes 4 times, is finally dried in 102 DEG C of vacuum drying chambers
Over dry；The pretreated over dry POD chopped strands of 1.27g are weighed, 20000r is discongested in fluffer, discongest concentration control in matter
Percentage 0.3% is measured, 1.90g over dry meta-aramid pulps is then weighed, adds in the POD chopped strand solution through discongesting, then
It is secondary to discongest 20000r, discongest concentration and control in mass percent 0.3%, finally will be relative to POD chopped strands and meta-aramid
0.06% polyethylene glycol oxide of pulp fibers absolute dry mass is added in POD chopped strands and meta-aramid pulp mixed serum,
20000r is discongested, concentration is discongested and controls in mass percent 0.3%, obtain suspension, obtained suspension is injected into sheet forming
In device, quantification of 100g/m is prepared2Aramid paper humidity strip, then squeezes processing 2min through hydraulic press under the pressure of 0.5MPa,
Moisture unnecessary in wet sheet is removed, the wet sheet after finally squeezing is handled is dried in paper baker, drying temperature
Spend for 100 DEG C, drying time 6.5min, obtain aramid fiber extrusion coating paper body paper；By obtained aramid fiber extrusion coating paper body paper first in tablet sulphur
Hot pressing 3 times on change machine, hot pressing temperature are 280 DEG C, hot pressing time 10min, hot pressing pressure 15MPa；Then three rollers are placed on again
Hot pressing 2 times on hot press, hot pressing temperature are 230 DEG C, hot pressing pressure 120bar, and roller speed is 1m/min, and obtaining tensile index is
83.2N·m·g-1Aramid fiber extrusion coating paper.
Above example 7, in 13,14,15,16 aramid fiber extrusion coating paper preparation process, remaining technological parameter is constant, right
The hot pressing time of vulcanizing press is optimized, and the Testing index of optimization is the measure of tensile index, if table 3 below is that optimization is real
Test influence of the middle plateform vulcanizer to aramid paper strength character under different hot pressing times：
Table 3
The results are shown in Figure 3 for optimization, from the figure 3, it may be seen that when carrying out hot pressing using vulcanizing press, in certain time section
Under, increasing over time, the tensile index of aramid fiber extrusion coating paper gradually increases, and in hot pressing 8min, the paper of aramid fiber extrusion coating paper
Extensional can be best.
By above example 3~16 can with draw, using vulcanizing press carry out hot pressing, 280 DEG C of hot pressing temperature, hot pressing
When pressure 15MPa, hot pressing time 8min, with reference to hot pressing on three roller hot presses 2 times, hot pressing temperature is 230 DEG C, and hot pressing pressure is
120bar, roller speed are 1m/min, and aramid fiber extrusion coating paper tensile strength reaches maximum, i.e. 95.9Nmg-1.Using vulcanizing press
Hot press period, aramid fiber extrusion coating paper is at temperature and pressure dual effect, and hot pressing actual temperature is higher than actual setting temperature, in hot pressing
Temperature is higher than 273 DEG C of meta pulp fibers glass transition temperature, and pulp fibers melting degree is higher, viscosity flow enhancing, closely
Ground is wrapped in chopped strand surface, and effectively bonded area becomes larger between fiber, and chopped strand is merged with intermolecular interpenetrate of pulp,
Chopped strand enhancing is mutually significantly lifted with the boundary adhesive property formed between pulp matrix phase.Using three roller hot presses heat
Pressure stage, aramid fiber extrusion coating paper are further lifted through hot pressing light action, surface strength of paper, and paper surface is more smooth, and evenness carries
Rise, further improve paper strength performance.It is combined using vulcanizing press hot-pressing processing with three roller hot press hot-pressing processings
Hot pressing mode, paper after three roller hot presses and vulcanizing press hot pressing is relatively used alone in the aramid fiber extrusion coating paper strength character prepared
Open its tensile index and improve 52%.
Claims (7)
- A kind of 1. preparation method of high-performance Powerleader synthetic fibre aramid fiber extrusion coating paper, it is characterised in that：Specifically include following steps：Step 1, POD chopped strands are pre-processed；Step 2, with fluffer will discongest for the first time through the pretreated POD chopped strands of step 1；Then meta is added Ppta-pulp fibre, carries out secondary discongest；Dispersant is finally added, third time is carried out and discongests, obtain suspension；Step 3, the suspension that step 2 obtains is injected in sheet forming apparatus and carries out dehydration forming, after squeezing, drying process Powerleader synthetic fibre aramid fiber extrusion coating paper body paper；The detailed process of the step 3 is：By in the suspension injection sheet forming apparatus obtained by step 2, prepare quantification of 100g/m2Powerleader synthetic fibre aramid fiber extrusion coating paper humidity strip, then squeezes processing 1min~3min through hydraulic press, it is compound to remove Powerleader synthetic fibre aramid fiber Unnecessary moisture in paper humidity strip, the Powerleader synthetic fibre aramid fiber extrusion coating paper humidity strip after finally squeezing is handled are dried in paper baker It is dry；Step 4, it is the Powerleader synthetic fibre aramid fiber extrusion coating paper body paper progress obtained by step 3 is hot-forming, obtain high performance Powerleader synthetic fibre aramid fiber Extrusion coating paper；The detailed process of the step 4 is：Powerleader synthetic fibre aramid fiber extrusion coating paper body paper hot pressing 2~4 times on vulcanizing press that step 3 is prepared first, then put again The hot pressing 1~3 time on three roller hot presses；Hot compression parameters in the step 4 on vulcanizing press are：Hot pressing temperature is 250 DEG C~290 DEG C, and hot pressing time is 2min~10min, hot pressing pressure are 9MPa~21MPa.
- A kind of 2. preparation method of high-performance Powerleader synthetic fibre aramid fiber extrusion coating paper according to claim 1, it is characterised in that：It is described The preprocessing process of step 1 is：By POD chopped strands molar concentration be 1.0 × 10-3Mol/L~3 × 10-3Mol/L, ten that temperature is 40 DEG C~60 DEG C 0.5h~1h is soaked in dialkyl benzene sulfonic acids sodium solution, is then washed 3~5 times, finally in 100 DEG C~105 DEG C vacuum drying chambers In be dried to over dry.
- A kind of 3. preparation method of high-performance Powerleader synthetic fibre aramid fiber extrusion coating paper according to claim 1, it is characterised in that：It is described The mass ratio of POD chopped strands and meta-aramid pulp fibers is 4 in step 2：6.
- A kind of 4. preparation method of high-performance Powerleader synthetic fibre aramid fiber extrusion coating paper according to claim 3, it is characterised in that：It is described Dispersant in step 2 is polyethylene glycol oxide, and additive amount is relative to POD chopped strands and meta-aramid pulp fibers over dry matter The 0.05%~0.07% of amount, the parameter of discongesting discongested for the first time are：Fluffer discongests 15000r~25000r；Discongest for the second time Parameter of discongesting be：Fluffer discongests 15000r~25000r；The parameter of discongesting discongested of third time is：Fluffer discongests 15000r ~25000r.
- A kind of 5. preparation method of high-performance Powerleader synthetic fibre aramid fiber extrusion coating paper according to claim 1, it is characterised in that：It is described The pressure of hydraulic press is 0.4MPa~0.6MPa in step 3.
- A kind of 6. preparation method of high-performance Powerleader synthetic fibre aramid fiber extrusion coating paper according to claim 1, it is characterised in that：It is described Drying temperature in step 3 in paper baker is 95 DEG C~105 DEG C, and drying time is 5min~8min.
- A kind of 7. preparation method of high-performance Powerleader synthetic fibre aramid fiber extrusion coating paper according to claim 1, it is characterised in that：It is described Hot compression parameters in step 4 on three roller hot presses are：Hot pressing temperature is 220 DEG C~240 DEG C, hot pressing pressure 100bar~ 140bar, 0.5~1.5m/min of roller speed.
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