CN106866959A - Translucent high-temperature-resnylont nylont material and its preparation method and application - Google Patents
Translucent high-temperature-resnylont nylont material and its preparation method and application Download PDFInfo
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
- C08G69/02—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
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Abstract
The invention provides a kind of translucent high-temperature-resnylont nylont material and its preparation method and application；The raw materials for production of translucent high-temperature-resnylont nylont material contain：32-40 parts of terephthalic acid (TPA), 20-26 parts of M-phthalic acid, 40-42 parts of hexamethylene diamine, 5-15 parts of amorphous nylon, 0.0002-0.0007 parts of catalyst, 0.002-0.005 portions of nucleator and 80-110 parts of deionized water；Preparation method includes：By mentioned component it is well mixed after add reactor, stirring is carried out continuously during the course of the reaction, heated up successively, be incubated, increasing temperature and pressure, constant pressure, insulation, pressure release, discharging, being obtained translucent high-temperature-resnylont nylont material after each step such as cooling and pelletizing；Translucent high-temperature-resnylont nylont material crystallinity of the invention is small, toughness is preferable, pelletizing is convenient, the shape that is translucent, particle outward appearance are beautiful, heat resistance is also preferable；Its preparation methods steps are simple, energy consumption is smaller, it is adaptable to industrialized production, and solvent is only deionized water, and environmental pollution is small.
Description
Technical field
The invention belongs to macromolecular material nylon synthesis field, be related to a kind of translucent high-temperature-resnylont nylont material and preparation method thereof and
Using.
Background technology
Nylon belongs to a kind of thermoplastic engineering plastic, because it has wear-resisting, impact resistance, endurance, corrosion-resistant, oil resistant etc. excellent
Different characteristic, so being widely used in the fields such as auto-parts, electronic apparatus, machinery.
Currently, the case of motor and heatable part is made of metal material, thermosets or high-temperature-resnylont nylont material etc..
At present, the semi-aromatic nylon material of industrialized production mainly has poly- hexamethylene terephthalamide (PA6T) and poly- terephthaldehyde
Acyl nonamethylene diamine (PA9T), but because the fusing point of PA6T is higher than its heat decomposition temperature, it is difficult to carry out melt-processed shaping, PA9T
Production cost it is too high, and the two crystallinity is larger, therefore toughness is poor, pelletizing inconvenience, has a strong impact on particle outward appearance,
Therefore these all have impact on further applying for the two to a certain extent.
The content of the invention
It is a primary object of the present invention to provide a kind of translucent high temperature resistant nylon material with less crystallinity and preferable toughness
Material, overcomes the relatively low defect of current high temperature resistant nylon toughness.
It is another object of the present invention to provide a kind of preparation method of above-mentioned translucent high-temperature-resnylont nylont material, overcome current
The follow-up processing difficulties of high temperature resistant nylon defect.
Third object of the present invention is to provide a kind of application of above-mentioned translucent high-temperature-resnylont nylont material.
To reach above-mentioned purpose, solution of the invention is：
A kind of translucent high-temperature-resnylont nylont material, its raw materials for production contains following components and the weight portion of every kind of component is as follows：
Wherein, amorphous nylon can be selected from PA6, PA66 and PA610 in any one or a few.
Nucleator can be selected from barium sulfate, talcum powder, calcium carbonate, titanium dioxide and silica in any one or a few
Catalyst can selected from sodium phosphite, phosphorous acid magnesium, Arizona bacilli, zinc phosphite, potassium phosphate, magnesium phosphate, calcium phosphate,
In trbasic zinc phosphate, ortho phosphorous acid potassium, sodium hypophosphite, ortho phosphorous acid magnesium, Lime Hypophosphate and ortho phosphorous acid zinc any one or
It is several.
A kind of method for preparing above-mentioned translucent high-temperature-resnylont nylont material, it comprises the following steps：
(1), by 32-40 parts of terephthalic acid (TPA), 20-26 parts of M-phthalic acid, 40-42 parts of hexamethylene diamine, 5-15 parts of aliphatic Buddhist nun
Dragon, 0.0002-0.0007 parts of catalyst and 0.002-0.005 portions of nucleator are added in reactor after being well mixed, and are eventually adding
80-110 parts of deionized water is simultaneously continuously stirred during the course of the reaction；
(2) reactor is heated up under the protection of inert gas, the temperature in the kettle of question response kettle enters when reaching 90-150 DEG C
Row is incubated for the first time, and soaking time is 1.0-3.0h；
(3) after, insulation terminates for the first time, continuation heats up to reactor, treats that pressure is reached in the kettle of the reactor
Constant pressure 0.5-1.5h during 2.25-3.50MPa, continues to heat up reactor in constant voltage process；
(4) second insulation is carried out after, constant pressure terminates and when temperature in the kettle reaches 240-280 DEG C, soaking time is 0.5-1.5h；
(5) pressure release is carried out after, second insulation terminates and when temperature in the kettle reaches 290-305 DEG C, is continued to anti-in pressure leak process
Answer kettle to be heated up, temperature in the kettle is no more than 310-325 DEG C；
(6), continue to stir 3-10min when pressure in kettle reaches atmospheric pressure, discharge and obtain translucent high temperature resistant after post-treated
Nylon material.
Wherein, in step (1), stir speed (S.S.) can be 80-120rpm.
In step (2), inert gas can be any one in nitrogen, carbon dioxide, argon gas and helium.
In step (2), heating rate can be 8-12 DEG C/min.
Above-mentioned translucent high-temperature-resnylont nylont material can be used for making high temperature-resistant part.
Above-mentioned translucent high-temperature-resnylont nylont material can be used for making the auxiliary component of automobile engine.
Due to using such scheme, the beneficial effects of the invention are as follows：
The raw materials for production of translucent high-temperature-resnylont nylont material the firstth, of the invention contain terephthalic acid (TPA) or M-phthalic acid, therefore,
Contain more phenyl ring in strand, and phenyl ring is rigid radical, therefore the translucent high-temperature-resnylont nylont material has fusing point higher,
Up to 300 DEG C or so, with excellent heat resistance, can use in high temperature environments.
Secondth, translucent high-temperature-resnylont nylont material of the invention strand arrangement it is irregular, therefore be translucent shape and with compared with
Small crystallinity and preferable toughness.
3rd, in the preparation method of translucent high-temperature-resnylont nylont material of the invention, melt can be gradually formed in pressure leak process,
And the polymer molecular weight that carries out with pressure leak process gradually increases, and melt viscosity is gradually increasing, the melt cooling crystallization rate
Comparatively fast, the water cure time is short to the cold, therefore pelletizing is convenient.
4th, the preparation method reactions steps of translucent high-temperature-resnylont nylont material of the invention are simple, often walk setting involved by reaction
Standby with low cost, energy consumption is also smaller, is adapted to industrialization promotion production.
5th, the solvent used by the preparation method of translucent high-temperature-resnylont nylont material of the invention is only deionized water, dirty to environment
Dye is small, beneficial to environmental protection.
Brief description of the drawings
Fig. 1 is the schematic diagram in each stage of the preparation method of translucent high-temperature-resnylont nylont material of the invention.
Specific embodiment
The invention provides a kind of translucent high-temperature-resnylont nylont material and its preparation method and application.
<Translucent high-temperature-resnylont nylont material>
A kind of translucent high-temperature-resnylont nylont material, its raw materials for production contains following components and the weight portion of every kind of component is as follows：
Wherein, amorphous nylon can be selected from PA6, PA66 and PA610 in any one or a few.
Nucleator can be selected from barium sulfate, talcum powder, calcium carbonate, titanium dioxide and silica in any one or a few
Catalyst can selected from sodium phosphite, phosphorous acid magnesium, Arizona bacilli, zinc phosphite, potassium phosphate, magnesium phosphate, calcium phosphate,
In trbasic zinc phosphate, ortho phosphorous acid potassium, sodium hypophosphite, ortho phosphorous acid magnesium, Lime Hypophosphate and ortho phosphorous acid zinc any one or
It is several.
Translucent high-temperature-resnylont nylont material of the invention contains to benzoyl amine key and isophthalic amido link.
<The preparation method of translucent high-temperature-resnylont nylont material>
The preparation method of above-mentioned translucent high-temperature-resnylont nylont material comprises the following steps：
(1), the preparatory stage：
By 32-40 parts of terephthalic acid (TPA), 20-26 parts of M-phthalic acid, 40-42 parts of hexamethylene diamine, 5-15 parts of amorphous nylon,
The reactor with agitating device is added to after 0.0002-0.0007 parts of catalyst and 0.002-0.005 portions of nucleator are well mixed (i.e.
High pressure polymerisation reactor) in, 80-110 parts of deionized water is then added in the reactor, open agitating device and make the stirring
Device carries out continuous and continual stirring during the course of the reaction, using the air three times in inert gas replacement reactor and in advance
The inert gas of 0.03-0.07MPa is stayed as protection gas；
(2), first stage (temperature rise period)：
Reactor is heated using the Heat-conduction oil circulation system (including circulating heat conduction oil) being built in the reactor, makes it
Temperature in the kettle is raised, and temperature-rise period is stopped when temperature in the kettle reaches 90-150 DEG C；
(3), second stage (first time holding stage)：
After temperature-rise period stops, first time insulating process is carried out, the time is 1.0-3.0h；
(4), phase III (the increasing temperature and pressure stage)：
After first time insulating process terminates, continue that reactor is carried out to rise gentle boosting, pressure is reached in the kettle of question response kettle
Stop heating up during 2.25-3.50MPa；
(5), fourth stage (constant-voltage phase)：
After the increasing temperature and pressure stage terminates, pressure (2.25-3.50MPa) 0.5-1.5h in kettle is maintained, continued to anti-in constant voltage process
Kettle is answered to be heated up；
(6), the 5th stage (the second holding stage)：
Second insulation is carried out after constant voltage process terminates and when reactor temperature reaches 240-280 DEG C, the time is 0.5-1.5h；
(7), the 6th stage (the pressure release stage)：
Second insulation terminates follow-up temperature of continuing rising, and pressure release is carried out when reactor temperature reaches 290-305 DEG C, treats that pressure is arrived in kettle
Stop pressure release during up to atmospheric pressure (1atm), continue to heat up reactor in pressure leak process, do not make reactor temperature all the time not
More than 310-325 DEG C；
(8), the 7th stage (continuation agitation phases)：
After pressure leak process terminates, continue to stir 3-10min；
(9), the 8th stage (discharging and post-processing stages)：
After continuation whipping process terminates, discharge simultaneously post-treated (such as cooling and pelletizing), obtain translucent high-temperature-resnylont nylont material.
Wherein, above-mentioned preparation method is as shown in figure 1, the abscissa and ordinate of Fig. 1 are not offered as specific physical parameter,
Its broken line does not indicate that the variation tendency of certain physical quantity yet, it is only for distinguish each stage.
In step (1), course of reaction is referred in step (2) to step (7), therefore step (2) to step (8)
Stirring be uninterruptedly to carry out, the speed of stirring can be 80-120rpm.Inert gas can selected from nitrogen, carbon dioxide,
Any one in argon gas and helium.
AB sections of step (2) corresponding diagram 1, A points are the starting point for heating up, and B points are the terminal for heating up, the temperature T of B pointsb=90-150 DEG C.
The heating rate of reactor can be 8-12 DEG C/min.Conduction oil in Heat-conduction oil circulation system is in heated condition always, but instead
The temperature in the kettle for answering kettle is that, by related inlet valve manual control, each step can correspond to a specific temperature.
BC sections of step (3) corresponding diagram 1, B points also can be considered the starting point of first time insulating process, and C points are insulation for the first time
The terminal of process.First time insulating process duration tbc=1.0-3.0h.The effect of first time insulating process is to make relevant polymerization
Monomer (i.e. terephthalic acid (TPA), M-phthalic acid, hexamethylene diamine etc.) is fully into salt.
CD sections of step (4) corresponding diagram 1, C points also can be considered the starting point in increasing temperature and pressure stage, and D points are the increasing temperature and pressure stage
Terminal.The pressure P of D pointsd=2.25-3.50MPa.
DE sections of step (5) corresponding diagram 1, D points also can be considered the starting point of constant-voltage phase, and E points are the terminal of constant-voltage phase.
Constant-voltage phase duration is tde=0.5-1.5h.Pressure is maintained by the water that reaction is produced in continuous release reaction kettle in kettle
Come what is realized, the purpose of constant pressure is to react condensation polymerization to occur to positive direction as far as possible to steam, so as to produce more products (such as
The oligomer such as poly- hexamethylene terephthalamide or 6I hexamethylene isoterephalamide).
EF sections of step (6) corresponding diagram 1, E points also can be considered second starting point of holding stage, and F points are second insulation rank
The terminal of section.The temperature T of E pointse=240-280 DEG C.Second insulating process duration tef=0.4-1.5h.It was incubated for the second time
The effect of journey be make amorphous nylon fully dissolve and participate in being reacted to give end-product (such as PA6T/6I/6, PA6T/6I/66 or
PA6T/6I/610 etc.).
FG sections of step (7) corresponding diagram 1, F' points are the starting point of pressure leak process, and G points are the terminal of pressure leak process.The temperature of F' points
Degree Tf'=290-305 DEG C, the temperature T of G pointsg=310-325 DEG C, the pressure P of G pointsg=1atm.
GH sections of step (8) corresponding diagram 1, continues the time t for stirringgh=3-10min.
HI sections of step (9) corresponding diagram 1, the product obtained by I points is translucent high-temperature-resnylont nylont material.
The preparation method step of translucent high-temperature-resnylont nylont material of the invention is simple therefore production cost is relatively low, is adapted to industrialization
Generation；In addition, only with deionized water as solvent in engineering is synthesized, without being had using organic solvent etc., larger poison is secondary to be made
Solvent, is conducive to environmental protection.
<The application of translucent high-temperature-resnylont nylont material>
Translucent high-temperature-resnylont nylont material of the invention can be used for making the parts of electronic and electrical equipment, such as automobile engine
Auxiliary component etc., it is also possible to be used under hot environment for making high temperature-resistant part.
The present invention is further illustrated with reference to embodiments.
The method of testing that the present invention is used is as follows：
(1), crystallinity test：Carried out using density gradient method.
(2), tensile property test：Carried out by GB/T1040.1-2006, rate of extension is 5mm/min, in constant temperature and humidity reality
Tested under the conditions of testing.
(3), simply supported beam notch impact strength test：Carried out by GB/T1043, tested under constant temperature and humidity experiment condition.
(4), bending strength test：Carried out by GB/T9341-2008, speed is pushed for 1.25mm/min, in constant temperature and humidity
Tested under experiment condition.
(5), fusing point test：Tested using differential scanning calorimeter (DSC thermal analyzers).
Embodiment one
The preparation method of translucent high-temperature-resnylont nylont material is as follows in the present embodiment：
(1), the preparatory stage：
32 parts of terephthalic acid (TPA)s, 26 parts of M-phthalic acids, 42 parts of hexamethylene diamines, 5 parts of amorphous nylon PA6,0.0002 part are urged
Reactor (the i.e. 25L with agitating device is added to after agent sodium hypophosphite and 0.002 part of nucleator barium sulfate are well mixed
High pressure polymerisation reactor) in, 80 parts of deionized waters are then added in the reactor, open agitating device and make the agitating device
Continuous and continual stirring is carried out during the course of the reaction, and mixing speed is 80r/min, uses inert nitrogen gas replacement reaction kettle
The inert gas of interior air three times and reserved 0.03MPa is used as protection gas；
(2), first stage (temperature rise period)：
Reactor is heated using the Heat-conduction oil circulation system (including circulating heat conduction oil) being built in the reactor, makes it
Temperature in the kettle is raised, and heating rate is 8 DEG C/min, and temperature-rise period is stopped when temperature in the kettle reaches 90 DEG C；
(3), second stage (first time holding stage)：
After temperature-rise period stops, first time insulating process is carried out, the time is 3.0h；
(4), phase III (the increasing temperature and pressure stage)：
After first time insulating process terminates, continue that reactor is carried out to rise gentle boosting, pressure is reached in the kettle of question response kettle
(15min is approximately passed through during 2.25MPa) stop heating up；
(5), fourth stage (constant-voltage phase)：
After the increasing temperature and pressure stage terminates, it is 2.25MPa that pressure in kettle is maintained by the vapor of release reaction generation, during constant pressure
Between be 1.5h, continue to heat up reactor in constant voltage process；
(6), the 5th stage (the second holding stage)：
Second insulation is carried out after constant voltage process terminates and when reactor temperature reaches 240 DEG C, the time is 0.5h；
(7), the 6th stage (the pressure release stage)：
Second insulation terminates follow-up temperature of continuing rising, and pressure release is carried out when reactor temperature reaches 305 DEG C, treats that pressure is reached in kettle
Stop pressure release during atmospheric pressure (1atm), continue to heat up reactor in pressure leak process, reactor temperature is not surpassed all the time
Cross 325 DEG C；
(8), the 7th stage (continuation agitation phases)：
After pressure leak process terminates, continue to stir 3-10min；
(9), the 8th stage：
After continuation whipping process terminates, discharge and through cooling and pelletizing, obtain translucent high-temperature-resnylont nylont material.
Embodiment two
The preparation method of translucent high-temperature-resnylont nylont material is as follows in the present embodiment：
(1), the preparatory stage：
By 36 parts of terephthalic acid (TPA)s, 23 parts of M-phthalic acids, 41 parts of hexamethylene diamines, 10 parts of amorphous nylon PA610,0.0005
Reactor (the i.e. 25L with agitating device is added to after part catalyst magnesium phosphate and 0.003 part of nucleator talcum powder are well mixed
High pressure polymerisation reactor) in, 100 parts of deionized waters are then added in the reactor, open agitating device and fill the stirring
Put and carry out during the course of the reaction continuous and continual stirring, mixing speed is 100r/min, replaced using inert nitrogen gas anti-
Answer the air three times in kettle and reserve the inert gas of 0.05MPa as protection gas；
(2), first stage (temperature rise period)：
Reactor is heated using the Heat-conduction oil circulation system (including circulating heat conduction oil) being built in the reactor, makes it
Temperature in the kettle is raised, and heating rate is 10 DEG C/min, and temperature-rise period is stopped when temperature in the kettle reaches 120 DEG C；
(3), second stage (first time holding stage)：
After temperature-rise period stops, first time insulating process is carried out, the time is 1.5h；
(4), phase III (the increasing temperature and pressure stage)：
After first time insulating process terminates, continue that reactor is carried out to rise gentle boosting, pressure is reached in the kettle of question response kettle
(20min is approximately passed through during 2.7MPa) stop heating up；
(5), fourth stage (constant-voltage phase)：
After the increasing temperature and pressure stage terminates, it is 2.7MPa, constant voltage time that pressure in kettle is maintained by the vapor of release reaction generation
It is 1.0h, continues to heat up reactor in constant voltage process；
(6), the 5th stage (the second holding stage)：
Second insulation is carried out after constant voltage process terminates and when reactor temperature reaches 265 DEG C, the time is 1.0h；
(7), the 6th stage (the pressure release stage)：
Second insulation terminates follow-up temperature of continuing rising, and pressure release is carried out when reactor temperature reaches 300 DEG C, treats that pressure is reached in kettle
Stop pressure release during atmospheric pressure (1atm), continue to heat up reactor in pressure leak process, reactor temperature is not surpassed all the time
Cross 320 DEG C；
(8), the 7th stage (continuation agitation phases)：
After pressure leak process terminates, continue to stir 5min；
(9), the 8th stage：
After continuation whipping process terminates, discharge and through cooling and pelletizing, obtain translucent high-temperature-resnylont nylont material.
Embodiment three
The preparation method of translucent high-temperature-resnylont nylont material is as follows in the present embodiment：
(1), the preparatory stage：
By 40 parts of terephthalic acid (TPA)s, 20 parts of M-phthalic acids, 40 parts of hexamethylene diamines, 15 parts of amorphous nylon PA66,0.0007
Reactor (the i.e. 25L with agitating device is added to after part catalyst calcium phosphate and 0.005 part of nucleator titanium dioxide are well mixed
High pressure polymerisation reactor) in, 110 parts of deionized waters are then added in the reactor, open agitating device and fill the stirring
Put and carry out during the course of the reaction continuous and continual stirring, mixing speed is 120r/min, replaced using inert nitrogen gas anti-
Answer the air three times in kettle and reserve the inert gas of 0.07MPa as protection gas；
(2), first stage (temperature rise period)：
Reactor is heated using the Heat-conduction oil circulation system (including circulating heat conduction oil) being built in the reactor, makes it
Temperature in the kettle is raised, and heating rate is 12 DEG C/min, and temperature-rise period is stopped when temperature in the kettle reaches 150 DEG C；
(3), second stage (first time holding stage)：
After temperature-rise period stops, first time insulating process is carried out, the time is 1.0h；
(4), phase III (the increasing temperature and pressure stage)：
After first time insulating process terminates, continue that reactor is carried out to rise gentle boosting, pressure is reached in the kettle of question response kettle
(25min is approximately passed through during 3.5MPa) stop heating up；
(5), fourth stage (constant-voltage phase)：
After the increasing temperature and pressure stage terminates, it is 3.5MPa, constant voltage time that pressure in kettle is maintained by the vapor of release reaction generation
It is 0.5h, continues to heat up reactor in constant voltage process；
(6), the 5th stage (the second holding stage)：
Second insulation is carried out after constant voltage process terminates and when reactor temperature reaches 280 DEG C, the time is 1.5h；
(7), the 6th stage (the pressure release stage)：
Second insulation terminates follow-up temperature of continuing rising, and pressure release is carried out when reactor temperature reaches 290 DEG C, treats that pressure is reached in kettle
Stop pressure release during atmospheric pressure (1atm), continue to heat up reactor in pressure leak process, reactor temperature is not surpassed all the time
Cross 310 DEG C；
(8), the 7th stage (continuation agitation phases)：
After pressure leak process terminates, continue to stir 10min；
(9), the 8th stage：
After continuation whipping process terminates, discharge and through cooling and pelletizing, obtain translucent high-temperature-resnylont nylont material.
The performance test results of the translucent high-temperature-resnylont nylont material that above-mentioned section Example is obtained are as shown in table 1：
The test result table of table 1
From the data of table 1 can be seen that the various embodiments described above obtained by translucent high-temperature-resnylont nylont material crystallinity it is smaller,
Almost transparent shape, preferably, comprehensive mechanical property is excellent for toughness, fusing point at 300 DEG C or so, with preferable heat-resisting quantity, energy
Enough it is suitable in common hot environment.
To sum up, translucent high-temperature-resnylont nylont material of the invention is with terephthalic acid (TPA), M-phthalic acid, hexamethylene diamine, aliphatic
Nylon, catalyst, deionized water and nucleator etc. be raw materials for production, heated up successively, be incubated, increasing temperature and pressure, constant pressure,
Insulation, pressure release, discharging, cooling and pelletizing etc. are obtained after each stage, and its step is simple, energy consumption is smaller, it is adaptable to industrial metaplasia
Produce, and solvent is only deionized water, and environmental pollution is small；Resulting translucent high-temperature-resnylont nylont material crystallinity is small, tough
Preferable, pelletizing is convenient for property, the shape that is translucent, particle outward appearance are beautiful, heat resistance is also preferable.
The above-mentioned description to embodiment is to be understood that and use the present invention for ease of those skilled in the art.It is familiar with
The personnel of art technology obviously can easily make various modifications to these embodiments, and should General Principle described herein
Use in other embodiment without by performing creative labour.Therefore, the invention is not restricted to above-described embodiment, art technology
Personnel's announcement of the invention, does not depart from improvement that scope made and modification all should be in protection scope of the present invention
Within.
Claims (10)
1. a kind of translucent high-temperature-resnylont nylont material, it is characterised in that：Its raw materials for production contains the weight of following components and every kind of component
Amount part is as follows：
2. translucent high-temperature-resnylont nylont material according to claim 1, it is characterised in that：The amorphous nylon be selected from PA6,
Any one or a few in PA66 and PA610.
3. translucent high-temperature-resnylont nylont material according to claim 1, it is characterised in that：The nucleator be selected from barium sulfate,
Any one or a few in talcum powder, calcium carbonate, titanium dioxide and silica.
4. translucent high-temperature-resnylont nylont material according to claim 1, it is characterised in that：The catalyst be selected from sodium phosphite,
Phosphorous acid magnesium, Arizona bacilli, zinc phosphite, potassium phosphate, magnesium phosphate, calcium phosphate, trbasic zinc phosphate, ortho phosphorous acid potassium, secondary phosphorous
Any one or a few in sour sodium, ortho phosphorous acid magnesium, Lime Hypophosphate and ortho phosphorous acid zinc.
5. a kind of method of the translucent high-temperature-resnylont nylont material prepared as described in any in Claims 1-4, it is characterised in that
Comprise the following steps：
(1), by 32-40 parts of terephthalic acid (TPA), 20-26 parts of M-phthalic acid, 40-42 parts of hexamethylene diamine, 5-15 parts of aliphatic Buddhist nun
Dragon, 0.0002-0.0007 parts of catalyst and 0.002-0.005 portions of nucleator are added in reactor after being well mixed, and are eventually adding
80-110 parts of deionized water is simultaneously continuously stirred during the course of the reaction；
(2) reactor is heated up under the protection of inert gas, the temperature in the kettle of question response kettle reaches 90-150 DEG C
Shi Jinhang is incubated for the first time, and soaking time is 1.0-3.0h；
(3) after, insulation terminates for the first time, continuation heats up to the reactor, treats that pressure is reached in the kettle of the reactor
Constant pressure 0.5-1.5h during 2.25-3.50MPa, continues to heat up the reactor in constant voltage process；
(4) second insulation is carried out after, constant pressure terminates and when temperature in the kettle reaches 240-280 DEG C, soaking time is 0.5-1.5h；
(5) pressure release is carried out after, second insulation terminates and when temperature in the kettle reaches 290-305 DEG C, is continued in pressure leak process to institute
State reactor to be heated up, temperature in the kettle is no more than 310-325 DEG C；
(6), continue to stir 3-10min when pressure in kettle reaches atmospheric pressure, discharge and obtain translucent high temperature resistant after post-treated
Nylon material.
6. method according to claim 5, it is characterised in that：Stir speed (S.S.) in step (1) is 80-120rpm.
7. method according to claim 5, it is characterised in that：Inert gas in step (2) is nitrogen, carbon dioxide,
Any one in argon gas and helium.
8. method according to claim 5, it is characterised in that：Heating rate is 8-12 DEG C/min in step (2).
9. the translucent high-temperature-resnylont nylont material as described in Claims 1-4 is any is preparing the application of high temperature-resistant part.
10. the translucent high-temperature-resnylont nylont material as described in Claims 1-4 is any is preparing answering for the auxiliary component of automobile engine
With.
Priority Applications (1)
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111087611A (en) * | 2019-12-25 | 2020-05-01 | 重庆晟淦新材料科技有限公司 | Semi-aromatic high-temperature-resistant PA6T copolymer and synthesis method thereof |
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| US4195165A (en) * | 1977-10-28 | 1980-03-25 | Ciba-Geigy Corporation | Aliphatic polyamide from disubstituted decane diamine |
| US5895809A (en) * | 1996-02-14 | 1999-04-20 | Ems-Polyloy Gmbh | Method of producing partially aromatic copolyamides from aromatic dicarboxylic acid esters |
| CN104558593A (en) * | 2013-10-14 | 2015-04-29 | 上海杰事杰新材料(集团)股份有限公司 | High-temperature-resistant copolymer nylon 6T/6I material and preparation method thereof |
| CN105017524A (en) * | 2014-04-21 | 2015-11-04 | 上海杰事杰新材料(集团)股份有限公司 | Random high-temperature nylon copolymer and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US4195165A (en) * | 1977-10-28 | 1980-03-25 | Ciba-Geigy Corporation | Aliphatic polyamide from disubstituted decane diamine |
| US5895809A (en) * | 1996-02-14 | 1999-04-20 | Ems-Polyloy Gmbh | Method of producing partially aromatic copolyamides from aromatic dicarboxylic acid esters |
| CN104558593A (en) * | 2013-10-14 | 2015-04-29 | 上海杰事杰新材料(集团)股份有限公司 | High-temperature-resistant copolymer nylon 6T/6I material and preparation method thereof |
| CN105017524A (en) * | 2014-04-21 | 2015-11-04 | 上海杰事杰新材料(集团)股份有限公司 | Random high-temperature nylon copolymer and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111087611A (en) * | 2019-12-25 | 2020-05-01 | 重庆晟淦新材料科技有限公司 | Semi-aromatic high-temperature-resistant PA6T copolymer and synthesis method thereof |
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