CN106245392A - 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
- Publication number
- CN106245392A CN106245392A CN201610602486.5A CN201610602486A CN106245392A CN 106245392 A CN106245392 A CN 106245392A CN 201610602486 A CN201610602486 A CN 201610602486A CN 106245392 A CN106245392 A CN 106245392A
- Authority
- CN
- China
- Prior art keywords
- aramid fiber
- extrusion coating
- paper
- hot pressing
- fiber extrusion
- 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.)
- Granted
Links
Classifications
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
- Dry Formation Of Fiberboard And The Like (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention discloses the preparation method of a kind of high-performance Powerleader synthetic fibre aramid fiber extrusion coating paper, specifically include following steps: POD chopped strand is carried out pretreatment；Carry out POD chopped strand fluffer after pretreatment discongesting for the first time；Then add meta-aramid pulp fibers, carry out secondary and discongest；Finally add dispersant, carry out third time and discongest, obtain suspension；The suspension obtained is injected in sheet forming apparatus and carries out dehydration forming, after squeezing, dried, obtain aramid fiber extrusion coating paper body paper；The aramid fiber extrusion coating paper body paper of gained is carried out hot-forming, obtains high performance aramid fiber extrusion coating paper.The aramid fiber extrusion coating paper preparation method that the present invention provides, can maximally utilise the high powerful feature of chopped strand, improves the strength character of meta-position aramid fiber paper.
Description
Technical field
The invention belongs to paper industry and material industry interleaving techniques field, relate to a kind of high-performance Powerleader synthetic fibre aramid fiber and be combined
The preparation method of paper.
Background technology
With meta-aramid (poly(isophthaloyl metaphenylene diamine)) pulp fibers and meta-aramid chopped strand as raw material, utilize
Modern paper wet papermaking technology is manufactured paper with pulp and hot-forming prepared flaky composite material, is a kind of high-performance synthetic fibers paper substrate
Material.Because it has tough mechanical performance, good dielectric properties, preferable resistance to elevated temperatures and can design flexibly
Property, can be extensive at special dimensions such as Aero-Space, traffic power, national defense and military as insulant, electronic material, structural material
Application.
But, the production domesticization of meta-aramid paper base material is also faced with a heavy difficult problem, has the problem of raw materials quality, fiber to disperse
With wet laying process and the problem of equipment, particularly hot press forming technology problem.The meta-position aramid fiber paper mechanical strength formed
Can be poor, and parchmentizing phenomenon is serious, resistance to ag(e)ing is poor.Become the bottleneck that restriction aramid paper is applied further.
Powerleader synthetic fibre (poly-virtue oxadiazoles) English abbreviation POD, POD fiber has excellent thermostability and Temperature Size is stable
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 fiber
Heat decomposition temperature far above aramid fiber 1313 and PSA fiber, through the thermo-oxidative ageing of 65 days, rupture strength retention at 250 DEG C
Being 64%, the percent thermal shrinkage at 300 DEG C is 1%, much smaller than aramid fiber and PSA fiber.POD fiber also has good chemically stable
Property, in addition to concentrated sulphuric acid, oleum, trifluoroacetic acid and polyphosphoric acids, POD fiber is insoluble in solvent known to other.But POD
Fiber is hydrophobic fibre, and in water, dispersion effect is poor, and in the dispersive process of synthetic fibre paper slurry, easily wadding gathers and affects
Paper-forming evenness and intensity.In the research process of preparation high-performance synthetic fibre paper, the evenness and the intensity that how to improve paper are mesh
The emphasis of front field of papermaking research.
Summary of the invention
It is an object of the invention to provide the preparation method of a kind of high-performance Powerleader synthetic fibre aramid fiber extrusion coating paper, can be to greatest extent
Utilize the high powerful feature of chopped strand, improve the strength character of meta-position aramid fiber paper.
The technical solution adopted in the present invention is, the preparation method of a kind of high-performance Powerleader synthetic fibre aramid fiber extrusion coating paper, specifically wraps
Include following steps:
Step 1, carries out pretreatment to POD chopped strand；
Step 2, will carry out discongesting for the first time through step 1 pretreated POD chopped strand fluffer；Then add
Meta-aramid pulp fibers, carries out secondary and discongests；Finally add dispersant, carry out third time and discongest, obtain suspension；
Step 3, suspension step 2 obtained injects in sheet forming apparatus and carries out dehydration forming, through squeezing, dried
After aramid fiber extrusion coating paper body paper；
Step 4, carries out hot-forming by the aramid fiber extrusion coating paper body paper of step 3 gained, obtains high performance aramid fiber extrusion coating paper.
The feature of the present invention also resides in,
Wherein the preprocessing process of step 1 is:
It is 1.0 × 10 by POD chopped strand in molar concentration-3Mol/L～3 × 10-3Mol/L, temperature are 40 DEG C～60 DEG C
Dodecylbenzene sodium sulfonate solution in soak 0.5h～1h, then washing 3～5 times, finally do at 100 DEG C～105 DEG C of vacuum
Dry case is dried to over dry.
Wherein in step 2, the mass ratio of POD chopped strand and meta-aramid pulp fibers is 4:6.
Wherein the dispersant in step 2 is polyethylene glycol oxide, and addition is to starch with meta-aramid relative to POD chopped strand
The 0.05%～0.07% of dregs of rice fiber absolute dry mass, the parameter of discongesting discongested for the first time is: fluffer discongest 15000r～
25000r；The parameter of discongesting that second time is discongested is: 15000r～25000r discongested by fluffer；What third time was discongested discongests parameter
For: 15000r～25000r discongested by fluffer.
Wherein the detailed process of step 3 is: injected in sheet forming apparatus by the suspension of step 2 gained, prepares quantitatively
For 100g/m2Aramid paper humidity strip, then processes 1min～3min through hydraulic press squeezing, removes moisture unnecessary in wet sheet,
After by squeezing process after wet sheet dry in paper baker.
Wherein in step 3, the pressure of hydraulic press is 0.4MPa～0.6MPa.
Wherein in step 3, the drying temperature in paper baker is 95 DEG C～105 DEG C, drying time be 5min～
8min。
Wherein the detailed process of step 4 is:
First aramid fiber extrusion coating paper body paper step 3 prepared hot pressing 2～4 times on vulcanizing press, be placed on the most again
Hot pressing 1～3 times on three roller hot presses.
Wherein in step 4, the hot compression parameters on vulcanizing press is: hot pressing temperature is 240 DEG C～290 DEG C, hot pressing time
For 2min～10min, hot pressing pressure is 9MPa～21MPa.
Wherein in step 4, the hot compression parameters on three roller hot presses is: hot pressing temperature is 220 DEG C～240 DEG C, hot pressing pressure
100bar～140bar, roller speed 0.5～1.5m/min.
The invention has the beneficial effects as follows, the preparation method that the present invention provides uses POD fiber and meta-aramid pulp fibers
As raw material, control hot pressing temperature, make temperature be less than the fusing point of fiber so that POD fiber table and partial melting, meta-aramid
Pulp fibers occurs melted, and certain pressure condition makes paper degree of crystallinity improve, and strand arrangement is the most regular in order,
The result of pulp fibers deformation and migration is so that Inter-fiber voids diminishes and tails off, and fiber combining area is bigger, and fiber is tied
Closing tightr, make into paper tensile index and increase substantially, the advantage of POD fiber reinforcement meta-position aramid fiber paper is can be to greatest extent
Utilize the high powerful feature of chopped strand, improve the strength character of meta-position aramid fiber paper.
Accompanying drawing explanation
Fig. 1 is the hot pressing middle plateform vulcanizer of the preparation method of the present invention a kind of high-performance Powerleader synthetic fibre aramid fiber extrusion coating paper
The hot pressing temperature impact on aramid paper strength character；
Fig. 2 is the hot pressing middle plateform vulcanizer of the preparation method of the present invention a kind of high-performance Powerleader synthetic fibre aramid fiber extrusion coating paper
The hot pressing pressure impact on aramid paper strength character；
Fig. 3 is the hot pressing middle plateform vulcanizer of the preparation method of the present invention a kind of high-performance Powerleader synthetic fibre aramid fiber extrusion coating paper
The hot pressing time impact on aramid paper strength character.
Detailed description of the invention
The present invention is described in detail with detailed description of the invention below in conjunction with the accompanying drawings.
The preparation method of the present invention a kind of high-performance Powerleader synthetic fibre aramid fiber extrusion coating paper, specifically includes following steps:
Step 1, carries out pretreatment to POD chopped strand；
The preprocessing process of POD chopped strand is: be 1.0 × 10 by POD chopped strand in molar concentration-3Mol/L～3 ×
10-3Mol/L, temperature are to soak 0.5h～1h, then washing 3～5 times in the dodecylbenzene sodium sulfonate solution of 40 DEG C～60 DEG C,
Finally in 100 DEG C～105 DEG C of vacuum drying ovens, it is dried to over dry.
Step 2, will carry out discongesting for the first time through step 1 pretreated POD chopped strand fluffer；Then add
Meta-aramid pulp fibers, carries out secondary and discongests；Finally add dispersant, carry out third time and discongest, obtain suspension；
POD chopped strand is 4:6 with the mass ratio of meta-aramid pulp fibers, and dispersant is polyethylene glycol oxide, addition
For relative to POD chopped strand and the 0.05%～0.07% of meta-aramid pulp fibers absolute dry mass, that discongests for the first time dredges
Solution parameter is: 15000r～25000r discongested by fluffer, discongests concentration and controls in mass percent 0.3%；Second time is discongested
Discongesting parameter is: 15000r～25000r discongested by fluffer, discongests concentration and controls in mass percent 0.3%；Third time is discongested
Parameter of discongesting be: 15000r～25000r discongested by fluffer, discongests concentration and controls in mass percent 0.3%, institute of the present invention
The fluffer used is standard fluffer.
Step 3, suspension step 2 obtained injects in sheet forming apparatus and carries out dehydration forming, through squeezing, dried
After aramid fiber extrusion coating paper body paper；
The detailed process of step 3 is: is injected in sheet forming apparatus by the suspension of step 2 gained, prepares quantification of
100g/m2Aramid paper humidity strip, then processes 1min～3min through hydraulic press squeezing, removes moisture unnecessary in wet sheet, finally
Wet sheet after squeezing being processed is dried in paper baker.
Wherein the 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, carries out hot-forming by the aramid fiber extrusion coating paper body paper of step 3 gained, obtains high performance aramid fiber extrusion coating paper；Step
The detailed process of rapid 4 is:
First aramid fiber body paper step 3 prepared hot pressing 2～4 times on vulcanizing press, be placed on three rollers heat the most again
Hot pressing 1～3 times on press；
Hot compression parameters on vulcanizing press is: hot pressing temperature is 240 DEG C～290 DEG C, hot pressing time be 2min～
10min, hot pressing pressure is 9MPa～21MPa；
Hot compression parameters on three roller hot presses is: hot pressing temperature is 220 DEG C～240 DEG C, hot pressing pressure 100bar～
140bar, roller speed 0.5～1.5m/min.
Embodiment 1
POD chopped strand is carried out pretreatment, and preprocessing process is: be 1.0 × 10 in molar concentration-3Mol/L, temperature are
Soaking 0.5h in the dodecylbenzene sodium sulfonate solution of 40 DEG C, then washing 3 times, are finally dried in 100 DEG C of vacuum drying ovens
Over dry；Weigh 1.27g pretreated over dry POD chopped strand, fluffer is discongested 15000r, discongests concentration and control in matter
Amount percentage ratio 0.3%, then weighs 1.90g over dry meta-aramid pulp, adds in the POD chopped strand solution through discongesting, then
Secondary discongest 15000r, discongest concentration and control in mass percent 0.3%, finally will be relative to POD chopped strand and meta-aramid
The polyethylene glycol oxide of the 0.05% of pulp fibers absolute dry mass adds in POD chopped strand and meta-aramid pulp mixed serum,
Discongest 15000r, discongest concentration and control, in mass percent 0.3%, to obtain suspension, the suspension obtained is injected sheet forming
In device, prepare quantification of 100g/m2Aramid paper humidity strip, then processes 1min through hydraulic press squeezing under the pressure of 0.4MPa,
Removing moisture unnecessary in wet sheet, the wet sheet after finally squeezing being processed is dried in paper baker, dries temperature
Degree is 95 DEG C, and drying time is 5min, obtains aramid fiber extrusion coating paper body paper；By the aramid fiber extrusion coating paper body paper that obtains first at vulcanizing press
Upper hot pressing 2 times, hot pressing temperature is 240 DEG C, and hot pressing time is 2min, and hot pressing pressure is 9MPa；It is placed on three roller hot presses the most again
Upper hot pressing 1 time, hot pressing temperature is 220 DEG C, and hot pressing pressure is 100bar, and roller speed is 0.5m/min, obtains high performance aramid fiber and is combined
Paper.
Embodiment 2
POD chopped strand is carried out pretreatment, and preprocessing process is: be 3.0 × 10 in molar concentration-3Mol/L, temperature are
The dodecylbenzene sodium sulfonate solution of 60 DEG C soaks 1h, then washing 5 times, is finally dried in 105 DEG C of vacuum drying ovens absolutely
Dry；Weigh 1.27g pretreated over dry POD chopped strand, fluffer is discongested 25000r, discongests concentration and control in quality
Percentage ratio 0.3%, then weighs 1.90g over dry meta-aramid pulp, adds in the POD chopped strand solution through discongesting, again
Discongest 25000r, discongest concentration and control in mass percent 0.3%, finally will starch with meta-aramid relative to POD chopped strand
The polyethylene glycol oxide of the 0.07% of dregs of rice fiber absolute dry mass adds POD chopped strand and discongests in meta-aramid pulp mixed serum
25000r, discongests concentration and controls, in mass percent 0.3%, to obtain suspension, injects in sheet forming apparatus by the suspension obtained,
Prepare quantification of 100g/m2Aramid paper humidity strip, then processes 3min through hydraulic press squeezing under the pressure of 0.6MPa, removes wet
Moisture unnecessary in the scraps of paper, finally dries the wet sheet after squeezing process in paper baker, and drying temperature is 105
DEG C, drying time is 8min, obtains aramid fiber extrusion coating paper body paper；The aramid fiber extrusion coating paper body paper first hot pressing on vulcanizing press that will obtain
4 times, hot pressing temperature is 290 DEG C, and hot pressing time is 10min, and hot pressing pressure is 21MPa；It is placed on three roller hot presses heat the most again
Pressing 3 times, hot pressing temperature is 240 DEG C, and hot pressing pressure is 140bar, and roller speed is 1.5m/min, obtains high performance aramid fiber extrusion coating paper.
Embodiment 3
POD chopped strand is carried out pretreatment, and preprocessing process is: be 2.0 × 10 in molar concentration-3Mol/L, temperature are
Soaking 0.75h in the dodecylbenzene sodium sulfonate solution of 50 DEG C, then washing 4 times, are finally dried in 102 DEG C of vacuum drying ovens
Over dry；Weigh 1.27g pretreated over dry POD chopped strand, fluffer is discongested 20000r, discongests concentration and control in matter
Amount percentage ratio 0.3%, then weighs 1.90g over dry meta-aramid pulp, adds in the POD chopped strand solution through discongesting, then
Secondary discongest 20000r, discongest concentration and control in mass percent 0.3%, finally will be relative to POD chopped strand and meta-aramid
The polyethylene glycol oxide of the 0.06% of pulp fibers absolute dry mass adds in POD chopped strand and meta-aramid pulp mixed serum,
Discongest 20000r, discongest concentration and control, in mass percent 0.3%, to obtain suspension, the suspension obtained is injected sheet forming
In device, prepare quantification of 100g/m2Aramid paper humidity strip, then processes 2min through hydraulic press squeezing under the pressure of 0.5MPa,
Removing moisture unnecessary in wet sheet, the wet sheet after finally squeezing being processed is dried in paper baker, dries temperature
Degree is 100 DEG C, and drying time is 6.5min, obtains aramid fiber extrusion coating paper body paper；By the aramid fiber extrusion coating paper body paper that obtains first at flat board sulfur
Hot pressing 3 times on change machine, hot pressing temperature is 240 DEG C, and hot pressing time is 8min, and hot pressing pressure is 15MPa；It is placed on three roller heat the most again
Hot pressing 2 times on press, hot pressing temperature is 230 DEG C, and hot pressing pressure is 120bar, and roller speed is 1m/min, obtains tensile index and is
34.0N·m·g-1Aramid fiber extrusion coating paper.
Embodiment 4
POD chopped strand is carried out pretreatment, and preprocessing process is: be 2.0 × 10 in molar concentration-3Mol/L, temperature are
Soaking 0.75h in the dodecylbenzene sodium sulfonate solution of 50 DEG C, then washing 4 times, are finally dried in 102 DEG C of vacuum drying ovens
Over dry；Weigh 1.27g pretreated over dry POD chopped strand, fluffer is discongested 20000r, discongests concentration and control in matter
Amount percentage ratio 0.3%, then weighs 1.90g over dry meta-aramid pulp, adds in the POD chopped strand solution through discongesting, then
Secondary discongest 20000r, discongest concentration and control in mass percent 0.3%, finally will be relative to POD chopped strand and meta-aramid
The polyethylene glycol oxide of the 0.06% of pulp fibers absolute dry mass adds in POD chopped strand and meta-aramid pulp mixed serum,
Discongest 20000r, discongest concentration and control, in mass percent 0.3%, to obtain suspension, the suspension obtained is injected sheet forming
In device, prepare quantification of 100g/m2Aramid paper humidity strip, then processes 2min through hydraulic press squeezing under the pressure of 0.5MPa,
Removing moisture unnecessary in wet sheet, the wet sheet after finally squeezing being processed is dried in paper baker, dries temperature
Degree is 100 DEG C, and drying time is 6.5min, obtains aramid fiber extrusion coating paper body paper；By the aramid fiber extrusion coating paper body paper that obtains first at flat board sulfur
Hot pressing 3 times on change machine, hot pressing temperature is 250 DEG C, and hot pressing time is 8min, and hot pressing pressure is 15MPa；It is placed on three roller heat the most again
Hot pressing 2 times on press, hot pressing temperature is 230 DEG C, and hot pressing pressure is 120bar, and roller speed is 1m/min, obtains tensile index and is
60.2N·m·g-1Aramid fiber extrusion coating paper.
Embodiment 5
POD chopped strand is carried out pretreatment, and preprocessing process is: be 2.0 × 10 in molar concentration-3Mol/L, temperature are
Soaking 0.75h in the dodecylbenzene sodium sulfonate solution of 50 DEG C, then washing 4 times, are finally dried in 102 DEG C of vacuum drying ovens
Over dry；Weigh 1.27g pretreated over dry POD chopped strand, discongest concentration and control, in mass percent 0.3%, then to claim
Take 1.90g over dry meta-aramid pulp, add in the POD chopped strand solution through discongesting, again discongest 20000r, discongest concentration
Control in mass percent 0.3%, finally by relative to POD chopped strand and meta-aramid pulp fibers absolute dry mass
The polyethylene glycol oxide of 0.06% adds in POD chopped strand and meta-aramid pulp mixed serum, discongests 20000r, discongests concentration
Control in mass percent 0.3%, obtain suspension, the suspension obtained is injected in sheet forming apparatus, prepares quantification of
100g/m2Aramid paper humidity strip, then processes 2min through hydraulic press squeezing under the pressure of 0.5MPa, and it is unnecessary to remove in wet sheet
Moisture, finally dries the wet sheet after squeezing process in paper baker, and drying temperature is 100 DEG C, drying time
For 6.5min, obtain aramid fiber extrusion coating paper body paper；Aramid fiber extrusion coating paper body paper first hot pressing 3 times, the hot pressing on vulcanizing press that will obtain
Temperature is 260 DEG C, and hot pressing time is 8min, and hot pressing pressure is 15MPa；It is placed on hot pressing 2 times, hot pressing on three roller hot presses the most again
Temperature is 230 DEG C, and hot pressing pressure is 120bar, and roller speed is 1m/min, and obtaining tensile index is 66.1N m g-1Aramid fiber be combined
Paper.
Embodiment 6
POD chopped strand is carried out pretreatment, and preprocessing process is: be 2.0 × 10 in molar concentration-3Mol/L, temperature are
Soaking 0.75h in the dodecylbenzene sodium sulfonate solution of 50 DEG C, then washing 4 times, are finally dried in 102 DEG C of vacuum drying ovens
Over dry；Weigh 1.27g pretreated over dry POD chopped strand, fluffer is discongested 20000r, discongests concentration and control in matter
Amount percentage ratio 0.3%, then weighs 1.90g over dry meta-aramid pulp, adds in the POD chopped strand solution through discongesting, then
Secondary discongest 20000r, discongest concentration and control in mass percent 0.3%, finally will be relative to POD chopped strand and meta-aramid
The polyethylene glycol oxide of the 0.06% of pulp fibers absolute dry mass adds in POD chopped strand and meta-aramid pulp mixed serum,
Discongest 20000r, discongest concentration and control, in mass percent 0.3%, to obtain suspension, the suspension obtained is injected sheet forming
In device, prepare quantification of 100g/m2Aramid paper humidity strip, then processes 2min through hydraulic press squeezing under the pressure of 0.5MPa,
Removing moisture unnecessary in wet sheet, the wet sheet after finally squeezing being processed is dried in paper baker, dries temperature
Degree is 100 DEG C, and drying time is 6.5min, obtains aramid fiber extrusion coating paper body paper；By the aramid fiber extrusion coating paper body paper that obtains first at flat board sulfur
Hot pressing 3 times on change machine, hot pressing temperature is 270 DEG C, and hot pressing time is 8min, and hot pressing pressure is 15MPa；It is placed on three roller heat the most again
Hot pressing 2 times on press, hot pressing temperature is 230 DEG C, and hot pressing pressure is 120bar, and roller speed is 1m/min, obtains tensile index and is
73.5N·m·g-1Aramid fiber extrusion coating paper.
Embodiment 7
POD chopped strand is carried out pretreatment, and preprocessing process is: be 2.0 × 10 in molar concentration-3Mol/L, temperature are
Soaking 0.75h in the dodecylbenzene sodium sulfonate solution of 50 DEG C, then washing 4 times, are finally dried in 102 DEG C of vacuum drying ovens
Over dry；Weigh 1.27g pretreated over dry POD chopped strand, fluffer is discongested 20000r, discongests concentration and control in matter
Amount percentage ratio 0.3%, then weighs 1.90g over dry meta-aramid pulp, adds in the POD chopped strand solution through discongesting, then
Secondary discongest 20000r, discongest concentration and control in mass percent 0.3%, finally will be relative to POD chopped strand and meta-aramid
The polyethylene glycol oxide of the 0.06% of pulp fibers absolute dry mass adds in POD chopped strand and meta-aramid pulp mixed serum,
Discongest 20000r, discongest concentration and control, in mass percent 0.3%, to obtain suspension, the suspension obtained is injected sheet forming
In device, prepare quantification of 100g/m2Aramid paper humidity strip, then processes 2min through hydraulic press squeezing under the pressure of 0.5MPa,
Removing moisture unnecessary in wet sheet, the wet sheet after finally squeezing being processed is dried in paper baker, dries temperature
Degree is 100 DEG C, and drying time is 6.5min, obtains aramid fiber extrusion coating paper body paper；By the aramid fiber extrusion coating paper body paper that obtains first at flat board sulfur
Hot pressing 3 times on change machine, hot pressing temperature is 280 DEG C, and hot pressing time is 8min, and hot pressing pressure is 15MPa；It is placed on three roller heat the most again
Hot pressing 2 times on press, hot pressing temperature is 230 DEG C, and hot pressing pressure is 120bar, and roller speed is 1m/min, obtains tensile index and is
95.9N·m·g-1Aramid fiber extrusion coating paper.
Embodiment 8
POD chopped strand is carried out pretreatment, and preprocessing process is: be 2.0 × 10 in molar concentration-3Mol/L, temperature are
Soaking 0.75h in the dodecylbenzene sodium sulfonate solution of 50 DEG C, then washing 4 times, are finally dried in 102 DEG C of vacuum drying ovens
Over dry；Weigh 1.27g pretreated over dry POD chopped strand, fluffer is discongested 20000r, discongests concentration and control in matter
Amount percentage ratio 0.3%, then weighs 1.90g over dry meta-aramid pulp, adds in the POD chopped strand solution through discongesting, then
Secondary discongest 20000r, discongest concentration and control in mass percent 0.3%, finally will be relative to POD chopped strand and meta-aramid
The polyethylene glycol oxide of the 0.06% of pulp fibers absolute dry mass adds in POD chopped strand and meta-aramid pulp mixed serum,
Discongest 20000r, discongest concentration and control, in mass percent 0.3%, to obtain suspension, the suspension obtained is injected sheet forming
In device, prepare quantification of 100g/m2Aramid paper humidity strip, then processes 2min through hydraulic press squeezing under the pressure of 0.5MPa,
Removing moisture unnecessary in wet sheet, the wet sheet after finally squeezing being processed is dried in paper baker, dries temperature
Degree is 100 DEG C, and drying time is 6.5min, obtains aramid fiber extrusion coating paper body paper；By the aramid fiber extrusion coating paper body paper that obtains first at flat board sulfur
Hot pressing 3 times on change machine, hot pressing temperature is 290 DEG C, and hot pressing time is 8min, and hot pressing pressure is 15MPa；It is placed on three roller heat the most again
Hot pressing 2 times on press, hot pressing temperature is 230 DEG C, and hot pressing pressure is 120bar, and roller speed is 1m/min, obtains tensile index and 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 mensuration of tensile index, if table 1 below is optimization experiment middle plateform sulfur
The impact on aramid fiber extrusion coating paper strength character under different hot pressing temperatures of change machine:
Table 1
Optimum results is as it is shown in figure 1, as shown in Figure 1, when using vulcanizing press to carry out hot pressing, at certain silicon carbide
Under, along with the rising of temperature, the tensile index of aramid fiber extrusion coating paper is gradually increased, and 280 DEG C when being vulcanizing press hot pressing
Good temperature.Owing to fiber is similar with the chemical constitution of matrix, different melting points therebetween is less, causes processing temperature interval relatively
Narrow, inappropriate processing temperature can make the melted of fibre orientation structure cause fiber proportion in whole material less,
The performance of material is caused large effect, the key during therefore the selection of hot pressing temperature is aramid fiber extrusion coating paper preparation process because of
Element.
Embodiment 9
POD chopped strand is carried out pretreatment, and preprocessing process is: be 2.0 × 10 in molar concentration-3Mol/L, temperature are
Soaking 0.75h in the dodecylbenzene sodium sulfonate solution of 50 DEG C, then washing 4 times, are finally dried in 102 DEG C of vacuum drying ovens
Over dry；Weigh 1.27g pretreated over dry POD chopped strand, fluffer is discongested 20000r, discongests concentration and control in matter
Amount percentage ratio 0.3%, then weighs 1.90g over dry meta-aramid pulp, adds in the POD chopped strand solution through discongesting, then
Secondary discongest 20000r, discongest concentration and control in mass percent 0.3%, finally will be relative to POD chopped strand and meta-aramid
The polyethylene glycol oxide of the 0.06% of pulp fibers absolute dry mass adds in POD chopped strand and meta-aramid pulp mixed serum,
Discongest 20000r, discongest concentration and control, in mass percent 0.3%, to obtain suspension, the suspension obtained is injected sheet forming
In device, prepare quantification of 100g/m2Aramid paper humidity strip, then processes 2min through hydraulic press squeezing under the pressure of 0.5MPa,
Removing moisture unnecessary in wet sheet, the wet sheet after finally squeezing being processed is dried in paper baker, dries temperature
Degree is 100 DEG C, and drying time is 6.5min, obtains aramid fiber extrusion coating paper body paper；By the aramid fiber extrusion coating paper body paper that obtains first at flat board sulfur
Hot pressing 3 times on change machine, hot pressing temperature is 280 DEG C, and hot pressing time is 8min, and hot pressing pressure is 9MPa；It is placed on three roller heat the most again
Hot pressing 2 times on press, hot pressing temperature is 230 DEG C, and hot pressing pressure is 120bar, and roller speed is 1m/min, obtains tensile index and is
67.1N·m·g-1Aramid fiber extrusion coating paper.
Embodiment 10
POD chopped strand is carried out pretreatment, and preprocessing process is: be 2.0 × 10 in molar concentration-3Mol/L, temperature are
Soaking 0.75h in the dodecylbenzene sodium sulfonate solution of 50 DEG C, then washing 4 times, are finally dried in 102 DEG C of vacuum drying ovens
Over dry；Weigh 1.27g pretreated over dry POD chopped strand, fluffer is discongested 20000r, discongests concentration and control in matter
Amount percentage ratio 0.3%, then weighs 1.90g over dry meta-aramid pulp, adds in the POD chopped strand solution through discongesting, then
Secondary discongest 20000r, discongest concentration and control in mass percent 0.3%, finally will be relative to POD chopped strand and meta-aramid
The polyethylene glycol oxide of the 0.06% of pulp fibers absolute dry mass adds in POD chopped strand and meta-aramid pulp mixed serum,
Discongest 20000r, discongest concentration and control, in mass percent 0.3%, to obtain suspension, the suspension obtained is injected sheet forming
In device, prepare quantification of 100g/m2Aramid paper humidity strip, then processes 2min through hydraulic press squeezing under the pressure of 0.5MPa,
Removing moisture unnecessary in wet sheet, the wet sheet after finally squeezing being processed is dried in paper baker, dries temperature
Degree is 100 DEG C, and drying time is 6.5min, obtains aramid fiber extrusion coating paper body paper；By the aramid fiber extrusion coating paper body paper that obtains first at flat board sulfur
Hot pressing 3 times on change machine, hot pressing temperature is 280 DEG C, and hot pressing time is 8min, and hot pressing pressure is 12MPa；It is placed on three roller heat the most again
Hot pressing 2 times on press, hot pressing temperature is 230 DEG C, and hot pressing pressure is 120bar, and roller speed is 1m/min, obtains tensile index and is
78.4N·m·g-1Aramid fiber extrusion coating paper.
Embodiment 11
POD chopped strand is carried out pretreatment, and preprocessing process is: be 2.0 × 10 in molar concentration-3Mol/L, temperature are
Soaking 0.75h in the dodecylbenzene sodium sulfonate solution of 50 DEG C, then washing 4 times, are finally dried in 102 DEG C of vacuum drying ovens
Over dry；Weigh 1.27g pretreated over dry POD chopped strand, fluffer is discongested 20000r, discongests concentration and control in matter
Amount percentage ratio 0.3%, then weighs 1.90g over dry meta-aramid pulp, adds in the POD chopped strand solution through discongesting, then
Secondary discongest 20000r, discongest concentration and control in mass percent 0.3%, finally will be relative to POD chopped strand and meta-aramid
The polyethylene glycol oxide of the 0.06% of pulp fibers absolute dry mass adds in POD chopped strand and meta-aramid pulp mixed serum,
Discongest 20000r, discongest concentration and control, in mass percent 0.3%, to obtain suspension, the suspension obtained is injected sheet forming
In device, prepare quantification of 100g/m2Aramid paper humidity strip, then processes 2min through hydraulic press squeezing under the pressure of 0.5MPa,
Removing moisture unnecessary in wet sheet, the wet sheet after finally squeezing being processed is dried in paper baker, dries temperature
Degree is 100 DEG C, and drying time is 6.5min, obtains aramid fiber extrusion coating paper body paper；By the aramid fiber extrusion coating paper body paper that obtains first at flat board sulfur
Hot pressing 3 times on change machine, hot pressing temperature is 280 DEG C, and hot pressing time is 8min, and hot pressing pressure is 18MPa；It is placed on three roller heat the most again
Hot pressing 2 times on press, hot pressing temperature is 230 DEG C, and hot pressing pressure is 120bar, and roller speed is 1m/min, obtains tensile index and is
92.7N·m·g-1Aramid fiber extrusion coating paper.
Embodiment 12
POD chopped strand is carried out pretreatment, and preprocessing process is: be 2.0 × 10 in molar concentration-3Mol/L, temperature are
Soaking 0.75h in the dodecylbenzene sodium sulfonate solution of 50 DEG C, then washing 4 times, are finally dried in 102 DEG C of vacuum drying ovens
Over dry；Weigh 1.27g pretreated over dry POD chopped strand, fluffer is discongested 20000r, discongests concentration and control in matter
Amount percentage ratio 0.3%, then weighs 1.90g over dry meta-aramid pulp, adds in the POD chopped strand solution through discongesting, then
Secondary discongest 20000r, discongest concentration and control in mass percent 0.3%, finally will be relative to POD chopped strand and meta-aramid
The polyethylene glycol oxide of the 0.06% of pulp fibers absolute dry mass adds in POD chopped strand and meta-aramid pulp mixed serum,
Discongest 20000r, discongest concentration and control, in mass percent 0.3%, to obtain suspension, the suspension obtained is injected sheet forming
In device, prepare quantification of 100g/m2Aramid paper humidity strip, then processes 2min through hydraulic press squeezing under the pressure of 0.5MPa,
Removing moisture unnecessary in wet sheet, the wet sheet after finally squeezing being processed is dried in paper baker, dries temperature
Degree is 100 DEG C, and drying time is 6.5min, obtains aramid fiber extrusion coating paper body paper；By the aramid fiber extrusion coating paper body paper that obtains first at flat board sulfur
Hot pressing 3 times on change machine, hot pressing temperature is 280 DEG C, and hot pressing time is 8min, and hot pressing pressure is 21MPa；It is placed on three roller heat the most again
Hot pressing 2 times on press, hot pressing temperature is 230 DEG C, and hot pressing pressure is 120bar, and roller speed is 1m/min, obtains tensile index and 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 mensuration of tensile index, if table 2 below is optimization experiment
The impact on aramid paper strength character under different hot pressing pressures of middle plateform vulcanizer:
Table 2
The result optimized is as it is shown in figure 1, as shown in Figure 2, when using vulcanizing press to carry out hot pressing, interval at certain pressure
Under, along with the rising of pressure, the tensile index of aramid fiber extrusion coating paper is gradually increased, and under the pressure of 18Mpa, aramid fiber extrusion coating paper
Paper performance is best.
Embodiment 13
POD chopped strand is carried out pretreatment, and preprocessing process is: be 2.0 × 10 in molar concentration-3Mol/L, temperature are
Soaking 0.75h in the dodecylbenzene sodium sulfonate solution of 50 DEG C, then washing 4 times, are finally dried in 102 DEG C of vacuum drying ovens
Over dry；Weigh 1.27g pretreated over dry POD chopped strand, fluffer is discongested 20000r, discongests concentration and control in matter
Amount percentage ratio 0.3%, then weighs 1.90g over dry meta-aramid pulp, adds in the POD chopped strand solution through discongesting, then
Secondary discongest 20000r, discongest concentration and control in mass percent 0.3%, finally will be relative to POD chopped strand and meta-aramid
The polyethylene glycol oxide of the 0.06% of pulp fibers absolute dry mass adds in POD chopped strand and meta-aramid pulp mixed serum,
Discongest 20000r, discongest concentration and control, in mass percent 0.3%, to obtain suspension, the suspension obtained is injected sheet forming
In device, prepare quantification of 100g/m2Aramid paper humidity strip, then processes 2min through hydraulic press squeezing under the pressure of 0.5MPa,
Removing moisture unnecessary in wet sheet, the wet sheet after finally squeezing being processed is dried in paper baker, dries temperature
Degree is 100 DEG C, and drying time is 6.5min, obtains aramid fiber extrusion coating paper body paper；By the aramid fiber extrusion coating paper body paper that obtains first at flat board sulfur
Hot pressing 3 times on change machine, hot pressing temperature is 280 DEG C, and hot pressing time is 2min, and hot pressing pressure is 15MPa；It is placed on three roller heat the most again
Hot pressing 2 times on press, hot pressing temperature is 230 DEG C, and hot pressing pressure is 120bar, and roller speed is 1m/min, obtains tensile index and is
69.3N·m·g-1Aramid fiber extrusion coating paper.
Embodiment 14
POD chopped strand is carried out pretreatment, and preprocessing process is: be 2.0 × 10 in molar concentration-3Mol/L, temperature are
Soaking 0.75h in the dodecylbenzene sodium sulfonate solution of 50 DEG C, then washing 4 times, are finally dried in 102 DEG C of vacuum drying ovens
Over dry；Weigh 1.27g pretreated over dry POD chopped strand, fluffer is discongested 20000r, discongests concentration and control in matter
Amount percentage ratio 0.3%, then weighs 1.90g over dry meta-aramid pulp, adds in the POD chopped strand solution through discongesting, then
Secondary discongest 20000r, discongest concentration and control in mass percent 0.3%, finally will be relative to POD chopped strand and meta-aramid
The polyethylene glycol oxide of the 0.06% of pulp fibers absolute dry mass adds in POD chopped strand and meta-aramid pulp mixed serum,
Discongest 20000r, discongest concentration and control, in mass percent 0.3%, to obtain suspension, the suspension obtained is injected sheet forming
In device, prepare quantification of 100g/m2Aramid paper humidity strip, then processes 2min through hydraulic press squeezing under the pressure of 0.5MPa,
Removing moisture unnecessary in wet sheet, the wet sheet after finally squeezing being processed is dried in paper baker, dries temperature
Degree is 100 DEG C, and drying time is 6.5min, obtains aramid fiber extrusion coating paper body paper；By the aramid fiber extrusion coating paper body paper that obtains first at flat board sulfur
Hot pressing 3 times on change machine, hot pressing temperature is 280 DEG C, and hot pressing time is 4min, and hot pressing pressure is 15MPa；It is placed on three roller heat the most again
Hot pressing 2 times on press, hot pressing temperature is 230 DEG C, and hot pressing pressure is 120bar, and roller speed is 1m/min, obtains tensile index and is
78.2N·m·g-1Aramid fiber extrusion coating paper.
Embodiment 15
POD chopped strand is carried out pretreatment, and preprocessing process is: be 2.0 × 10 in molar concentration-3Mol/L, temperature are
Soaking 0.75h in the dodecylbenzene sodium sulfonate solution of 50 DEG C, then washing 4 times, are finally dried in 102 DEG C of vacuum drying ovens
Over dry；Weigh 1.27g pretreated over dry POD chopped strand, fluffer is discongested 20000r, discongests concentration and control in matter
Amount percentage ratio 0.3%, then weighs 1.90g over dry meta-aramid pulp, adds in the POD chopped strand solution through discongesting, then
Secondary discongest 20000r, discongest concentration and control in mass percent 0.3%, finally will be relative to POD chopped strand and meta-aramid
The polyethylene glycol oxide of the 0.06% of pulp fibers absolute dry mass adds in POD chopped strand and meta-aramid pulp mixed serum,
Discongest 20000r, discongest concentration and control, in mass percent 0.3%, to obtain suspension, the suspension obtained is injected sheet forming
In device, prepare quantification of 100g/m2Aramid paper humidity strip, then processes 2min through hydraulic press squeezing under the pressure of 0.5MPa,
Removing moisture unnecessary in wet sheet, the wet sheet after finally squeezing being processed is dried in paper baker, dries temperature
Degree is 100 DEG C, and drying time is 6.5min, obtains aramid fiber extrusion coating paper body paper；By the aramid fiber extrusion coating paper body paper that obtains first at flat board sulfur
Hot pressing 3 times on change machine, hot pressing temperature is 280 DEG C, and hot pressing time is 6min, and hot pressing pressure is 15MPa；It is placed on three roller heat the most again
Hot pressing 2 times on press, hot pressing temperature is 230 DEG C, and hot pressing pressure is 120bar, and roller speed is 1m/min, obtains tensile index and is
84.2N·m·g-1Aramid fiber extrusion coating paper.
Embodiment 16
POD chopped strand is carried out pretreatment, and preprocessing process is: be 2.0 × 10 in molar concentration-3Mol/L, temperature are
Soaking 0.75h in the dodecylbenzene sodium sulfonate solution of 50 DEG C, then washing 4 times, are finally dried in 102 DEG C of vacuum drying ovens
Over dry；Weigh 1.27g pretreated over dry POD chopped strand, fluffer is discongested 20000r, discongests concentration and control in matter
Amount percentage ratio 0.3%, then weighs 1.90g over dry meta-aramid pulp, adds in the POD chopped strand solution through discongesting, then
Secondary discongest 20000r, discongest concentration and control in mass percent 0.3%, finally will be relative to POD chopped strand and meta-aramid
The polyethylene glycol oxide of the 0.06% of pulp fibers absolute dry mass adds in POD chopped strand and meta-aramid pulp mixed serum,
Discongest 20000r, discongest concentration and control, in mass percent 0.3%, to obtain suspension, the suspension obtained is injected sheet forming
In device, prepare quantification of 100g/m2Aramid paper humidity strip, then processes 2min through hydraulic press squeezing under the pressure of 0.5MPa,
Removing moisture unnecessary in wet sheet, the wet sheet after finally squeezing being processed is dried in paper baker, dries temperature
Degree is 100 DEG C, and drying time is 6.5min, obtains aramid fiber extrusion coating paper body paper；By the aramid fiber extrusion coating paper body paper that obtains first at flat board sulfur
Hot pressing 3 times on change machine, hot pressing temperature is 280 DEG C, and hot pressing time is 10min, and hot pressing pressure is 15MPa；It is placed on three rollers the most again
Hot pressing 2 times on hot press, hot pressing temperature is 230 DEG C, and hot pressing pressure is 120bar, and roller speed is 1m/min, obtains tensile index and is
83.2N·m·g-1Aramid fiber extrusion coating paper.
Above example 7, in the aramid fiber extrusion coating paper preparation process of 13,14,15,16, remaining technological parameter is constant, right
The hot pressing time of vulcanizing press is optimized, and the Testing index of optimization is the mensuration of tensile index, if table 3 below is to optimize in fact
Test the impact on aramid paper strength character under different hot pressing times of the middle plateform vulcanizer:
Table 3
The result that optimizes is as it is shown on figure 3, from the figure 3, it may be seen that use vulcanizing press when carrying out hot pressing, interval in certain time
Under, increasing over time, the tensile index of aramid fiber extrusion coating paper is gradually increased, and when hot pressing 8min, the paper of aramid fiber extrusion coating paper
Extensional can be best.
By permissible the drawing of above example 3～16, vulcanizing press is used to carry out hot pressing, hot pressing temperature 280 DEG C, hot pressing
When pressure 15MPa, hot pressing time 8min, in conjunction with hot pressing 2 times on three roller hot presses, hot pressing temperature is 230 DEG C, and hot pressing pressure is
120bar, roller speed is 1m/min, and aramid fiber extrusion coating paper tensile strength reaches maximum, i.e. 95.9N m g-1.Use vulcanizing press
Hot press period, aramid fiber extrusion coating paper is at temperature with pressure dual effect, and hot pressing actual temperature arranges temperature, in hot pressing higher than actual
Temperature is higher than meta pulp fibers glass transition temperature 273 DEG C, and pulp fibers melting degree is higher, and viscosity flow strengthens, closely
Be wrapped in chopped strand surface, between fiber, effective bonded area becomes big, and chopped strand interpenetrates fusion with pulp is intermolecular,
Chopped strand strengthens the boundary adhesive property formed between phase with pulp matrix phase and significantly promotes.Use three roller hot press heat
In the pressure stage, aramid fiber extrusion coating paper promotes further through hot calendered effect, surface strength of paper, and paper surface is more smooth, and evenness carries
Rise, improve paper strength performance further.Vulcanizing press hot-pressing processing is used to combine with three roller hot press hot-pressing processing
Hot pressing mode, the aramid fiber extrusion coating paper strength character prepared relatively is used alone paper after three roller hot presses and vulcanizing press hot pressing
Open its tensile index and improve 52%.
Claims (10)
1. the preparation method of a high-performance Powerleader synthetic fibre aramid fiber extrusion coating paper, it is characterised in that: specifically include following steps:
Step 1, carries out pretreatment to POD chopped strand；
Step 2, will carry out discongesting for the first time through step 1 pretreated POD chopped strand fluffer；Then meta is added
Ppta-pulp fibre, carries out secondary and discongests；Finally add dispersant, carry out third time and discongest, obtain suspension；
Step 3, suspension step 2 obtained injects in sheet forming apparatus and carries out dehydration forming, after squeezing, dried
Aramid fiber extrusion coating paper body paper；
Step 4, carries out hot-forming by the aramid fiber extrusion coating paper body paper of step 3 gained, obtains high performance aramid fiber extrusion coating paper.
The preparation method of a kind of high-performance Powerleader synthetic fibre aramid fiber extrusion coating paper the most according to claim 1, it is characterised in that: described
The preprocessing process of step 1 is:
It is 1.0 × 10 by POD chopped strand in molar concentration-3Mol/L～3 × 10-3Mol/L, temperature are 40 DEG C～the ten of 60 DEG C
Dialkyl benzene sulfonic acids sodium solution soaks 0.5h～1h, then washing 3～5 times, finally at 100 DEG C～105 DEG C of vacuum drying ovens
In be dried to over dry.
The preparation method of a kind of high-performance Powerleader synthetic fibre aramid fiber extrusion coating paper the most according to claim 1, it is characterised in that: described
In step 2, POD chopped strand is 4:6 with the mass ratio of meta-aramid pulp fibers.
The preparation method of a kind of high-performance Powerleader synthetic fibre aramid fiber extrusion coating paper the most according to claim 3, it is characterised in that: described
Dispersant in step 2 is polyethylene glycol oxide, and addition is relative to POD chopped strand and meta-aramid pulp fibers over dry matter
The 0.05%～0.07% of amount, the parameter of discongesting discongested for the first time is: 15000r～25000r discongested by fluffer；Second time is discongested
Parameter of discongesting be: 15000r～25000r discongested by fluffer；The parameter of discongesting that third time is discongested is: 15000r discongested by fluffer
～25000r.
The preparation method of a kind of high-performance Powerleader synthetic fibre aramid fiber extrusion coating paper the most according to claim 1, it is characterised in that: described
The detailed process of step 3 is: is injected in sheet forming apparatus by the suspension of step 2 gained, prepares quantification of 100g/m2Aramid fiber
Paper humidity strip, then processes 1min～3min through hydraulic press squeezing, removes moisture unnecessary in wet sheet, after finally squeezing being processed
Wet sheet dry in paper baker.
The preparation method of a kind of high-performance Powerleader synthetic fibre aramid fiber extrusion coating paper the most according to claim 5, it is characterised in that: described
In step 3, the pressure of hydraulic press is 0.4MPa～0.6MPa.
The preparation method of a kind of high-performance Powerleader synthetic fibre aramid fiber extrusion coating paper the most according to claim 5, it is characterised in that: described
In step 3, the drying temperature in paper baker is 95 DEG C～105 DEG C, and drying time is 5min～8min.
The preparation method of a kind of high-performance Powerleader synthetic fibre aramid fiber extrusion coating paper the most according to claim 5, it is characterised in that: described
The detailed process of step 4 is:
First aramid fiber body paper step 3 prepared hot pressing 2～4 times on vulcanizing press, be placed on three roller hot presses the most again
Upper hot pressing 1～3 times.
The preparation method of a kind of high-performance Powerleader synthetic fibre aramid fiber extrusion coating paper the most according to claim 8, it is characterised in that: described
In step 4, the hot compression parameters on vulcanizing press is: hot pressing temperature is 240 DEG C～290 DEG C, hot pressing time be 2min～
10min, hot pressing pressure is 9MPa～21MPa.
The preparation method of a kind of high-performance Powerleader synthetic fibre aramid fiber extrusion coating paper the most according to claim 8, it is characterised in that: institute
The hot compression parameters stated in step 4 on three roller hot presses is: hot pressing temperature is 220 DEG C～240 DEG C, hot pressing pressure 100bar～
140bar, roller speed 0.5～1.5m/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610602486.5A CN106245392B (en) | 2016-07-27 | 2016-07-27 | A kind of preparation method of high-performance Powerleader synthetic fibre aramid fiber extrusion coating paper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610602486.5A CN106245392B (en) | 2016-07-27 | 2016-07-27 | A kind of preparation method of high-performance Powerleader synthetic fibre aramid fiber extrusion coating paper |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106245392A true CN106245392A (en) | 2016-12-21 |
| CN106245392B CN106245392B (en) | 2018-04-20 |
Family
ID=57604408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610602486.5A Active CN106245392B (en) | 2016-07-27 | 2016-07-27 | A kind of preparation method of high-performance Powerleader synthetic fibre aramid fiber extrusion coating paper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106245392B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112553970A (en) * | 2020-12-01 | 2021-03-26 | 江苏展宝新材料有限公司 | Preparation method of layered composite polyaryl oxadiazole fiber paper |
| CN114108362A (en) * | 2020-09-01 | 2022-03-01 | 深圳光启尖端技术有限责任公司 | Manufacturing method of high-temperature-resistant aramid fiber composite paper wave-absorbing honeycomb |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1932148A (en) * | 2006-09-30 | 2007-03-21 | 烟台氨纶股份有限公司 | Aryl fibre paper with aryl fibre choped stand as raw material and producing method thereof |
| US20140184371A1 (en) * | 2012-12-28 | 2014-07-03 | E I Du Pont De Nemours And Company | Insulating material containing poly(phenylene-1,3,4-oxadiazole) |
| CN104801112A (en) * | 2014-01-26 | 2015-07-29 | 上海特安纶纤维有限公司 | High temperature-resistant polyaryloxadiazole nonwoven filter material and preparation method thereof |
| CN104818646A (en) * | 2015-05-22 | 2015-08-05 | 江苏宝德新材料有限公司 | Fiber paper containing p-POD chopped fiber and preparation method of fiber paper |
| CN105155328A (en) * | 2015-08-10 | 2015-12-16 | 江苏宝德新材料有限公司 | Aromatic POD (poly-1,3,4-oxadiazole) fiber and mica insulation paper as well as preparation method and application thereof |
| CN105714597A (en) * | 2016-02-25 | 2016-06-29 | 杭州特种纸业有限公司 | Engine oil filter paper and preparation method thereof |
-
2016
- 2016-07-27 CN CN201610602486.5A patent/CN106245392B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1932148A (en) * | 2006-09-30 | 2007-03-21 | 烟台氨纶股份有限公司 | Aryl fibre paper with aryl fibre choped stand as raw material and producing method thereof |
| US20140184371A1 (en) * | 2012-12-28 | 2014-07-03 | E I Du Pont De Nemours And Company | Insulating material containing poly(phenylene-1,3,4-oxadiazole) |
| CN104801112A (en) * | 2014-01-26 | 2015-07-29 | 上海特安纶纤维有限公司 | High temperature-resistant polyaryloxadiazole nonwoven filter material and preparation method thereof |
| CN104818646A (en) * | 2015-05-22 | 2015-08-05 | 江苏宝德新材料有限公司 | Fiber paper containing p-POD chopped fiber and preparation method of fiber paper |
| CN105155328A (en) * | 2015-08-10 | 2015-12-16 | 江苏宝德新材料有限公司 | Aromatic POD (poly-1,3,4-oxadiazole) fiber and mica insulation paper as well as preparation method and application thereof |
| CN105714597A (en) * | 2016-02-25 | 2016-06-29 | 杭州特种纸业有限公司 | Engine oil filter paper and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 杨斌: "添加沉析纤维增强对位聚芳酰胺纸性能", 《纸和造纸》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114108362A (en) * | 2020-09-01 | 2022-03-01 | 深圳光启尖端技术有限责任公司 | Manufacturing method of high-temperature-resistant aramid fiber composite paper wave-absorbing honeycomb |
| CN112553970A (en) * | 2020-12-01 | 2021-03-26 | 江苏展宝新材料有限公司 | Preparation method of layered composite polyaryl oxadiazole fiber paper |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106245392B (en) | 2018-04-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106245421B (en) | A kind of preparation method of contraposition/meta-aramid extrusion coating paper | |
| CN106223103B (en) | A kind of preparation method of polyester meta-aramid extrusion coating paper | |
| CN106223129B (en) | A kind of preparation method aligning meta-aramid electric insulation paper | |
| US8764941B2 (en) | Base paper of aramid fiber honeycomb core and manufacturing method thereof | |
| CN106223104A (en) | A kind of method using PSA fiber to prepare aramid fiber extrusion coating paper | |
| CN105648830A (en) | Composite plant fiber aramid paper and preparation method thereof | |
| CN106087529B (en) | The preparation method of self-reinforcing is pressed in a kind of high intensity aramid fiber paper and its dissolving again | |
| CN102517976A (en) | Preparation method of pure p-aramid paper | |
| ITVE950009A1 (en) | PROCEDURE FOR THE PRODUCTION OF RELEVANT PAPER AND PLANT TO PERFORM THE PROCEDURE | |
| CN103485234A (en) | Preparation method of mixed fiber system aramid paper | |
| WO2012100653A1 (en) | Aramid honeycomb core board | |
| KR101430556B1 (en) | Fabrication method of thermoplastic nanofiber composites using cellulose nanofibers and thermoplastic synthetic polymeric fibers | |
| CN111485446A (en) | Enhanced aramid paper and preparation method thereof | |
| CN106245392B (en) | A kind of preparation method of high-performance Powerleader synthetic fibre aramid fiber extrusion coating paper | |
| CN103321085A (en) | Meta-position aramid fiber paper with high physical strength insulativity as well as preparation method and application thereof | |
| CN109518530B (en) | Laminated thick vulcanized paper and preparation method thereof | |
| CN106120474A (en) | A kind of polyester/para-position/meta-aramid is combined the preparation method of electric insulation paper | |
| CN112726264B (en) | Polyimide paper base material for wave-transparent honeycomb and preparation method thereof | |
| CN117306302A (en) | Aramid fiber thin layer material, preparation method and application | |
| CN112726283A (en) | Poly (p-phenylene benzobisoxazole) fiber paper base material for high-temperature-resistant honeycomb core material and preparation method thereof | |
| CN103722604A (en) | Method for manufacturing bamboo fiber non-glued door plank | |
| CN107910477B (en) | Preparation method of cellulose and polyarylate fiber-based battery diaphragm | |
| CN114808538A (en) | High-flame-retardant aramid composite paper and preparation method thereof | |
| CN113914129B (en) | Preparation process of insulating aramid paper material | |
| CN107653734A (en) | A kind of method using the efficient papermaking of polyester fiber |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |