CN106566168A - Heat-resistant semi-aromatic nylon/polyphenyl ether alloy material and preparation method thereof - Google Patents
Heat-resistant semi-aromatic nylon/polyphenyl ether alloy material and preparation method thereof Download PDFInfo
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- CN106566168A CN106566168A CN201510657806.2A CN201510657806A CN106566168A CN 106566168 A CN106566168 A CN 106566168A CN 201510657806 A CN201510657806 A CN 201510657806A CN 106566168 A CN106566168 A CN 106566168A
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Abstract
The invention discloses a heat-resistant semi-aromatic nylon/polyphenyl ether alloy material which is prepared from the following components in parts by weight: 40-60 parts of semi-aromatic nylon, 40-60 parts of polyphenyl ether, 6-9 parts of maleic anhydride, 10-30 parts of alkali-free short glass fibers, 3-8 parts of a lubricant and 2-7 parts of an anti-oxidant. A preparation method for the heat-resistant semi-aromatic nylon/polyphenyl ether alloy material comprises the following steps: uniformly mixing 40-60 parts of dried polyphenyl ether and 6-9 parts of maleic anhydride to obtain a mixture I, extruding and pelletizing the mixture I for a first time, and drying the mixture I to obtain maleic anhydride grafted polyphenyl ether particles; uniformly mixing 40-60 parts of dried semi-aromatic nylon, 40-60 parts of maleic anhydride grafted polyphenyl ether, 2-7 parts of the anti-oxidant and 3-8 parts of the lubricant to obtain a mixture II; pouring materials into an extruder hopper, weighing and adding 10-30 parts of alkali-free short glass fibers into a side feeding hole, and extruding and pelletizing for a second time, and drying to obtain the heat-resistant semi-aromatic nylon/polyphenyl ether alloy material. The heat-resistant semi-aromatic nylon/polyphenyl ether alloy material has the advantages of being relatively good in compatibility and relatively small in alloy water-absorbing quality.
Description
Technical field
The invention belongs to processing of high molecular material technical field of modification, and in particular to a kind of heat-resisting semi-aromatic nylon/polyphenylene oxide alloy
Material and preparation method thereof.
Background technology
Polyamide (PA) is the general name of the thermoplastic resin containing recurring amide radical group on molecular backbone, with excellent mechanical property
The advantages of energy, friction and wear behavior, self lubricity, shock-absorbing noise reduction, oil resistant, alkali, weak acid and common organic solvents, and have
Excellent machinability, but dimensional stability, hygroscopicity, the high aspects such as lower resistance to heat distorsion of bearing a heavy burden are poor.Polyphenylene oxide resin it is resistance to
The aspects such as hot, electrical property, dimensional stability and aqueouss are all very excellent, though improved with high impact polystyrene blending later add
Work performance, has extensively opened up its application, but MPPO organic solvent-resistants and oil resistivity is poor, limit partial use.For
Both the above resin alloy is made synthesis alloy and can make up respective shortcoming by this, so that alloy material oil resistivity is improved, while
The defect of the easy moisture absorptions of PA is improved, its range of application is widened.
As polyphenylene oxide and polyamide are each other without the compatibility, there is mutual peeling after blending, therefore find suitable phase
Hold agent, solve the two consistency problem and be always the alloy research key focus.
About the preparation of Polyphenyl ether/polyamide alloy material, there are many patent documentations to discuss material compatibility issues and increasing both at home and abroad
By force, the modification technology of the aspect such as conduction, literature searches of the Jing to prior art find that 103613918 A of Chinese patent CN are announced
A kind of Polyphenyl ether/polyamide alloy material and preparation method thereof, although the two consistency problem was once being solved in degree and pass through
Add shrinkage factor regulator to reduce alloy shrinkage rate, so as to improve polyamide used in dimension stability, but patent be
Polyamide PA66, single varieties, and water absorption itself is big；It is resistance to that 102876002 A of Chinese patent CN disclose rapid shaping height
Hot polymerization amide-polyphenylene oxide alloy and preparation method thereof, all nylon kinds are still amorphous nylon, polyphenylene oxide and half virtue of high temperature resistant
Fragrant race's nylon alloy has no report.
The content of the invention
For the imperfection and defect of existing alloy field technology, it is an object of the invention to provide a kind of heat-resisting semi-aromatic nylon/
Polyphenyl ether alloy material and preparation method thereof；Semi-aromatic nylon/the Polyphenyl ether alloy material prepared by the present invention, it is compatible
Property preferably, there is no mutual peeling after blending, successfully compensate for respective shortcoming, alloy water absorption is less, and scantling is steady
Qualitative height, and fine heat-resisting performance, in addition, its preparation technology very simple, is adapted to industrialization promotion production.
For achieving the above object, the present invention is employed the following technical solutions：
The invention provides a kind of heat-resisting semi-aromatic nylon/Polyphenyl ether alloy material, is made up of the component comprising following weight portion：
The semi-aromatic nylon is formed by aliphatic dibasic acid, aliphatic diamine and aromatic acid polycondensation, further excellent
Elect the one kind in semi-aromatic nylon 610T, 66T, 10T, more preferably NYLON610 T and 66T as.
The alkali-free short glass fiber is commercially available surface treated short glass fiber, and length is 0.5～1.5cm.
The lubricant is ethylene acrylic acid co polymer (A-C540A).
The antioxidant is that Hinered phenols antioxidant is formed with phosphite ester kind antioxidant compounding, preferably N, N'- pair-(3- (3,5- bis-
Tert-butyl-hydroxy phenyl) propiono) hexamethylene diamine (antioxidant 1098) and three [2.4- di-tert-butyl-phenyls] phosphite ester (antioxidant
168) compound, the two mass ratio is 1：1.
Present invention also offers a kind of preparation method of above-mentioned heat-resisting semi-aromatic nylon/Polyphenyl ether alloy material, including following step
Suddenly：
40～60 parts dry of polyphenylene oxide is mixed homogeneously with 6～9 parts of maleic anhydrides, first time extruding pelletization is dried to obtain Malaysia
Anhydride grafted polyphenylene ether (PPO-g-MAH) particle；By 40～60 parts dry of semi-aromatic nylon, maleic anhydride grafting polyphenyl
40～60 parts of ether (PPO-g-MAH), 2～7 parts of antioxidant, 3～8 parts of mix homogeneously of lubricant；Pour material into extruder material
Struggle against, and weigh 10～30 parts of alkali-free short glass fibers and be added to side spout；Second extruding pelletization, obtains heat-resisting semiaromatic after being dried
Race's nylon/Polyphenyl ether alloy material.
The polyphenylene oxide of the drying, it is described be dried to obtain maleic anhydride grafted polyphenylene ether particle, the semi-aromatic nylon of the drying,
Wherein dry condition is to be dried more than 8 hours in 80～100 DEG C of vacuum drying ovens, and vacuum is 0.088～0.100MPa.
The maleic anhydride is mixed with the polyphenylene oxide to be carried out in high mixer, and mixing speed is 800r/min, and temperature setting is
90 DEG C, mixing time is 10min.
The first time extruding pelletization is carried out in double screw extruder, and screw slenderness ratio is (30～50):1, extrusion temperature from
1st area is 270～315 DEG C to head scope, and rotating speed is 200～350r/min.
Second extruding pelletization is carried out in double screw extruder, and screw slenderness ratio is (30～50):1, expressing technique is：
Extrusion temperature is 300～340 DEG C from 1st area to head scope, and engine speed is 200-350r/min.
Described " after being dried, obtaining heat-resisting semi-aromatic nylon/Polyphenyl ether alloy material ", wherein the condition being dried is at 90～110 DEG C
It is dried 2～6 hours in baking oven.
Heat-resisting semi-aromatic nylon/Polyphenyl ether alloy material injection mo(u)lding on the injection machine, Shooting Technique：Injection temperature scope
For 315～345 DEG C, injection moulding speed is 10～15g/s, and injection pressure is 60～90MPa, and cool time is 30～45S；Used
In the standard batten of correlated performance test；Place more than 24 hours under the conditions of constant temperature and humidity, then carry out correlated performance test.
The present invention compared with the existing technology, with advantages below and beneficial effect：
Heat-resisting semi-aromatic nylon/the Polyphenyl ether alloy material prepared by the present invention, the compatibility preferably, are not present after blending
Mutually peeling, successfully compensate for respective shortcoming, and alloy water absorption is less, and dimension stability is high, and heat resistance is excellent
It is good, in addition, its preparation technology very simple, is adapted to industrialization promotion production.
The method that the present invention is provided is simple, and reaction equipment cost used is cheap, and energy consumption is also less.
The composite comprehensive mechanical property that the present invention is prepared is excellent, successfully makes up respective defect.
The composite heat distortion temperature that the present invention is prepared is increased substantially and water absorption rate is relatively low, good stability of the dimension.
Specific embodiment
The present invention is further detailed explanation with reference to embodiments.
Below in an example, using following detection method：
Tensile property presses ASTM D638-10 tests, and rate of extension 5mm/min is tested under constant temperature and humidity experiment condition.
Bending strength presses ASTM D790-10 tests, pushes speed 1.25mm/min, tests under constant temperature and humidity experiment condition.
Simply supported beam notch impact strength presses GB/T1043 tests, tests under constant temperature and humidity experiment condition.
Heat distortion temperature presses ASTM D648-07 tests.
Water absorption is tested：Under room temperature, sample is placed in exsiccator, exsiccator bottom is placed one and fills saturated common salt aqueous solution
Beaker, maintain exsiccator in relative humidity be 75%, often cross 24h take out sample weigh, be designated as Gi, (i=1,2,3,4 ...),
Sample after weighing still is put back in exsiccator.After 20 days, sample is put into into drying in oven (70 DEG C, 24h), is subsequently placed in dry
Room temperature is cooled in dry device and weighs sample, be designated as G0.Press formula and calculate the water content (W in samplei) %, wherein in the present invention
Water absorption rate unanimously calculate 5 days after (120h) water absorption rate：
Wi=(Gi-G0)/Gi× 100%.
Oil resistivity is tested：Carry out by ASTM D-471 tests, under the temperature environment conditions of regulation, test sample is soaked in
In diesel oil after the time of 24h, measurement mass change of the sample before and after immersion and in front and back mechanical property change, so as to sentence
The resistance to diesel fuel characteristicses of disconnected material.
Embodiment 1
A kind of heat-resisting semi-aromatic nylon/Polyphenyl ether alloy material, by making including constituting for following weight portion：Nylon PA66T：
40 parts, polyphenylene oxide：60 parts, 9 parts of maleic anhydride, 10 parts of alkali-free short glass fiber, lubricant (ethylene acrylic acid co polymer A-C540A)：
3 parts, antioxidant (antioxidant 1098：Irgasfos 168 compounding=1：1)：7 parts, processing gross weight is 3kg.
(1) by nylon PA66T, in 100 DEG C, vacuum is dry 10 hours in the vacuum drying oven of 0.088MPa to polyphenylene oxide
Fully to remove wherein moisture；
(2) 60 parts of polyphenylene oxide are weighed, 9 parts of maleic anhydrides add polyphenylene oxide in high mixer, and weigh polyphenylene ether powder weight
The maleic anhydride of amount 15% is put into high mixer, carries out mixed at high speed uniformly, and mixing speed is 800r/min, and temperature setting is 90 DEG C,
Mixing time is 10min, and pouring the raw material for mixing into double screw extruder carries out reactive extrursion, and expressing technique is screw rod major diameter
Than for 30:1, extrusion temperature is 270 DEG C, 275 DEG C, 280 DEG C, 285 DEG C, 290 DEG C, 295 DEG C, 300 DEG C from 1st area to head scope,
Rotating speed is 200r/min.Rate of feeding：10r/min, obtains PPO-g-MAH；By PPO-g-MAH in 100 DEG C, vacuum
To be dried 10 hours fully to remove wherein moisture in the vacuum drying oven vacuum drying oven of 0.088MPa；
(3) pour into after and then be sufficiently mixed components such as nylon PA66T, PPO-g-MAH, antioxidant, lubricants uniformly crowded
Go out machine hopper；
(4) 10 parts of short glass fibers are weighed and is added to side spout, staple length is 0.5cm；
(5) extruder, Jing double screw extruder extruding pelletizations are started, extruder screw draw ratio is 30:1, extrusion temperature is from 1
Area is respectively 300 DEG C, 305 DEG C, 310 DEG C, 315 DEG C, 320 DEG C, 325 DEG C, 330 DEG C to head, and rotating speed is 200r/min,
Main feed screw rotating speed：10r/min, side feed screw rotating speed is 1.2r/min, obtains a kind of heat-resisting semi-aromatic nylon/polyphenylene oxide
Alloy material；
(6) it is standby after be dried alloy material pellet 6 hours in 90 DEG C of baking ovens.
The injection mo(u)lding on the injection machine by heat-resisting semi-aromatic nylon/Polyphenyl ether alloy material, injection temperature it is interval for 315 DEG C,
325 DEG C, 320 DEG C, injection speed is 10g/s, and injection pressure is 60MPa, and cool time is 30S, is obtained for correlated performance
The batten of test, detailed performance are shown in Table 1.
Embodiment 2
A kind of heat-resisting semi-aromatic nylon/Polyphenyl ether alloy material, by making including constituting for following weight portion：Nylon PA10T：
50 parts, polyphenylene oxide：50 parts, 7.5 parts of maleic anhydride, 20 parts of alkali-free short glass fiber, lubricant (ethylene acrylic acid co polymer A-C540A)：
5 parts, antioxidant (antioxidant 1098：Irgasfos 168 compounding=1：1)：5 parts, processing gross weight is 3kg.
(1) by nylon PA10T, polyphenylene oxide in 90 DEG C, vacuum for be dried in the vacuum drying oven of 0.09MPa 12 hours with
Wherein moisture is removed fully；
(2) 50 parts of polyphenylene oxide are weighed, 7.5 parts of maleic anhydrides add polyphenylene oxide in high mixer, and weigh polyphenylene ether powder weight
The maleic anhydride of amount 15% is put into high mixer, carries out mixed at high speed uniformly, and mixing speed is 800r/min, and temperature setting is 90 DEG C,
Mixing time is 10min, and pouring the raw material for mixing into double screw extruder carries out reactive extrursion, and expressing technique is screw rod major diameter
Than for 40:1, extrusion temperature is 275 DEG C, 280 DEG C, 285 DEG C, 290 DEG C, 295 DEG C, 300 DEG C, 305 DEG C from 1st area to head scope,
Rotating speed is 260r/min.Rate of feeding：12r/min, obtains PPO-g-MAH；By PPO-g-MAH in 90 DEG C, vacuum
To be dried 12 hours fully to remove wherein moisture in the vacuum drying oven vacuum drying oven of 0.09MPa；
(3) pour into after and then be sufficiently mixed components such as nylon PA10T, PPO-g-MAH, antioxidant, lubricants uniformly crowded
Go out machine hopper；
(4) 20 parts of short glass fibers are weighed and is added to side spout, staple length is 1.0cm；
(5) extruder, Jing double screw extruder extruding pelletizations are started, extruder screw draw ratio is 40:1, extrusion temperature is from 1
Area is respectively 305 DEG C, 310 DEG C, 315 DEG C, 320 DEG C, 325 DEG C, 330 DEG C, 335 DEG C to head, and rotating speed is 260r/min,
Main feed screw rotating speed：12r/min, side feed screw rotating speed is 2.5r/min, obtains a kind of heat-resisting semi-aromatic nylon/polyphenylene oxide
Alloy material；
(6) it is standby after be dried alloy material pellet 4 hours in 100 DEG C of baking ovens.
The injection mo(u)lding on the injection machine by heat-resisting semi-aromatic nylon/Polyphenyl ether alloy material, injection temperature it is interval for 325 DEG C,
335 DEG C, 330 DEG C, injection speed is 12g/s, and injection pressure is 75MPa, and cool time is 40S, is obtained for correlated performance
The batten of test, detailed performance are shown in Table 1.
Embodiment 3
A kind of heat-resisting semi-aromatic nylon/Polyphenyl ether alloy material, by making including constituting for following weight portion：Nylon PA610T：
60 parts, polyphenylene oxide：40 parts, 6 parts of maleic anhydride, 30 parts of alkali-free short glass fiber, lubricant (ethylene acrylic acid co polymer A-C540A)：
8 parts, antioxidant (antioxidant 1098：Irgasfos 168 compounding=1：1)：2 parts, processing gross weight is 3kg.
(1) by nylon PA610T, in 80 DEG C, vacuum is dry 15 hours in the vacuum drying oven of 0.100MPa to polyphenylene oxide
Fully to remove wherein moisture；
(2) 40 parts of polyphenylene oxide are weighed, 1.2 parts of maleic anhydrides add polyphenylene oxide in high mixer, and weigh polyphenylene ether powder weight
The maleic anhydride of amount 15% is put into high mixer, carries out mixed at high speed uniformly, and mixing speed is 800r/min, and temperature setting is 90 DEG C,
Mixing time is 10min, and pouring the raw material for mixing into double screw extruder carries out reactive extrursion, and expressing technique is screw rod major diameter
Than for 50:1, extrusion temperature is 285 DEG C, 290 DEG C, 295 DEG C, 300 DEG C, 305 DEG C, 310 DEG C, 315 DEG C from 1st area to head scope,
Rotating speed is 350r/min.Rate of feeding：15r/min, obtains PPO-g-MAH；By PPO-g-MAH in 80 DEG C, vacuum
To be dried 15 hours fully to remove wherein moisture in the vacuum drying oven vacuum drying oven of 0.100MPa；
(3) pour into after and then be sufficiently mixed components such as nylon PA610T, PPO-g-MAH, antioxidant, lubricants uniformly crowded
Go out machine hopper；
(4) 30 parts of short glass fibers are weighed and is added to side spout, staple length is 1.0cm；
(5) extruder, Jing double screw extruder extruding pelletizations are started, extruder screw draw ratio is 50:1, extrusion temperature is from 1
Area is respectively 310 DEG C, 325 DEG C, 320 DEG C, 325 DEG C, 330 DEG C, 335 DEG C, 340 DEG C to head, and rotating speed is 350r/min,
Main feed screw rotating speed：15r/min, side feed screw rotating speed is 5r/min, obtains a kind of heat-resisting semi-aromatic nylon/polyphenylene oxide and closes
Golden material；
(6) it is standby after be dried alloy material pellet 2 hours in 110 DEG C of baking ovens.
The injection mo(u)lding on the injection machine by heat-resisting semi-aromatic nylon/Polyphenyl ether alloy material, injection temperature it is interval for 335 DEG C,
345 DEG C, 340 DEG C, injection speed is 15g/s, and injection pressure is 90MPa, and cool time is 45S, is obtained for correlated performance
The batten of test, detailed performance are shown in Table 1.
Comparative example 1
By pure nylon PA66T, 10T, 610T and polyphenylene oxide pellet in 100 DEG C, vacuum is dry 15 in 0.10MPa baking ovens
Hour injection mo(u)lding on the injection machine, nylon injection-molding temperature range is 325 DEG C, 330 DEG C, 335 DEG C, polyphenylene oxide injection temperature
Interval is 305 DEG C, 300 DEG C, 290 DEG C, and injection speed is 15g/s, and injection pressure is 80MPa, and cool time is 40S, is obtained
To the batten for correlated performance test, PA66T, 10T, 610T and polyphenylene oxide pure material performance are designated as comparative example 1A, right respectively
Ratio 2B, comparative example 3C, comparative example 1D, and be compared with embodiment 1-3 respectively, detailed performance is shown in Table 1.
Through experimental test, the performance test results such as table 1 of material：
Table 1
" ↑ ", represents quality increase after oil resistant experiment
Embodiment from table 1 is compared with the product test of comparative example as can be seen that pure high temperature resistant nylon resin is respectively provided with water suction
Property high (poor dimensional stability), the relatively low defect of heat distortion temperature, after pure polyphenylene oxide oil resistant experiment test, performance is comprehensively significantly
After degree declines, and oil resistant is tested, great changes will take place for quality, illustrates that pure polyphenylene oxide oil resistivity is poor.Heat-resisting semi-aromatic nylon and
After polyphenylene oxide makes alloy, the relatively pure nylon resin of tensile property of material improves a lot, and water absorption significantly declines, pole
The earth improves that performance change before and after the dimensional stability of material, and the experiment of alloy oil resistant is less, the relatively pure polyphenylene oxide of mass change
Variable quantity also has very big decline, illustrates that alloy material improves the oil resistance of material well.Two are caused by the preparation method
Person's performance has obtained good complementation, so as to widen its range of application.
By the implementation process and testing result of each embodiment, by preparation method of the present invention 40-60 part semi-aromatic Buddhist nuns
The alloy material that dragon is obtained in being added to 40-60 part polyphenylene oxide, with preferable mechanical property and water-fast, oil resistivity, becomes with intermittent fever
Shape temperature also improves to some extent, and smoothly compensate for the two respective shortcoming, i.e. polyphenylene oxide oil resistivity and improves, while improving Buddhist nun
The performances such as the easy moisture absorption of dragon.
The above-mentioned description to embodiment is to be understood that for ease of those skilled in the art and apply the present invention.It is familiar with this
The personnel of art obviously easily can make various modifications to these embodiments, and General Principle application described herein
To in other embodiment without through performing creative labour.Therefore, the invention is not restricted to embodiment here, art technology
Personnel's announcement of the invention, the improvement made without departing from scope and modification all should be in protection scope of the present invention
Within.
Claims (12)
1. a kind of heat-resisting semi-aromatic nylon/Polyphenyl ether alloy material, it is characterised in that：By the component system comprising following weight portion
Into：
2. heat-resisting semi-aromatic nylon/Polyphenyl ether alloy material according to claim 1, it is characterised in that：Half virtue
Fragrant race's nylon is formed by aliphatic dibasic acid, aliphatic diamine and aromatic acid polycondensation, more preferably semi-aromatic
One kind in NYLON610 T, 66T, 10T, more preferably NYLON610 T and 66T.
3. heat-resisting semi-aromatic nylon/Polyphenyl ether alloy material according to claim 1, it is characterised in that：The alkali-free
The length of short glass fiber is 0.5～1.5cm.
4. heat-resisting semi-aromatic nylon/Polyphenyl ether alloy material according to claim 1, it is characterised in that：The lubrication
Agent is ethylene acrylic acid co polymer.
5. heat-resisting semi-aromatic nylon/Polyphenyl ether alloy material according to claim 1, it is characterised in that：The antioxygen
Agent is that Hinered phenols antioxidant is formed with phosphite ester kind antioxidant compounding, preferably N, N'- pair-(3- (3,5- di-t-butyl -4- hydroxyls
Phenyl) propiono) hexamethylene diamine and three [2.4- di-tert-butyl-phenyls] phosphite ester compounding, the two mass ratio be 1:1.
6. the preparation method of the arbitrary described heat-resisting semi-aromatic nylon/Polyphenyl ether alloy material of a kind of claim 1 to 5, its
It is characterised by：Comprise the following steps：
40～60 parts dry of polyphenylene oxide is mixed homogeneously with 6～9 parts of maleic anhydrides, first time extruding pelletization is dried to obtain Malaysia
Anhydride grafted polyphenylene ether particle；By 40～60 parts dry of semi-aromatic nylon, 40～60 parts of maleic anhydride grafted polyphenylene ether, resist
2～7 parts of oxygen agent, 3～8 parts of mix homogeneously of lubricant；Pour material into extruder hopper, and weigh 10～30 parts of alkali-free short glass fibers
Side spout is added to, second extruding pelletization obtains heat-resisting semi-aromatic nylon/Polyphenyl ether alloy material after being dried.
7. the preparation method of heat-resisting semi-aromatic nylon/Polyphenyl ether alloy material according to claim 6, it is characterised in that：
The polyphenylene oxide of the drying, it is described be dried to obtain maleic anhydride grafted polyphenylene ether particle, the semi-aromatic nylon of the drying, its
The condition of middle drying is to be dried more than 8 hours in 80～100 DEG C of vacuum drying ovens, and vacuum is 0.088～0.100MPa.
8. the preparation method of heat-resisting semi-aromatic nylon/Polyphenyl ether alloy material according to claim 6, it is characterised in that：
The maleic anhydride is mixed with the polyphenylene oxide to be carried out in high mixer, and mixing speed is 800r/min, and temperature setting is 90 DEG C,
Mixing time is 10min.
9. the preparation method of heat-resisting semi-aromatic nylon/Polyphenyl ether alloy material according to claim 6, it is characterised in that：
The first time extruding pelletization is carried out in double screw extruder, and screw slenderness ratio is (30～50):1, extrusion temperature is from 1st area
It it is 270～315 DEG C to head scope, rotating speed is 200～350r/min.
10. the preparation method of heat-resisting semi-aromatic nylon/Polyphenyl ether alloy material according to claim 6, it is characterised in that：
Second extruding pelletization is carried out in double screw extruder, and screw slenderness ratio is (30～50):1, expressing technique is：Squeeze
It is 300～340 DEG C to go out temperature from 1st area to head scope, and engine speed is 200-350r/min.
The preparation method of 11. heat-resisting semi-aromatic nylon/Polyphenyl ether alloy materials according to claim 6, it is characterised in that：
Described " after being dried, obtaining heat-resisting semi-aromatic nylon/Polyphenyl ether alloy material ", wherein the condition being dried is in 90～110 DEG C of baking ovens
Middle drying 2～6 hours.
The preparation method of 12. heat-resisting semi-aromatic nylon/Polyphenyl ether alloy materials according to claim 6, it is characterised in that：
Heat-resisting semi-aromatic nylon/Polyphenyl ether alloy material injection mo(u)lding on the injection machine, Shooting Technique：Injection temperature scope is
315～345 DEG C, injection moulding speed is 10～15g/s, and injection pressure is 60～90MPa, and cool time is 30～45S.
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| CN113787190A (en) * | 2021-08-31 | 2021-12-14 | 深圳市富荣新材料科技有限公司 | Preparation method of feed for metal injection molding, feed and metal part |
| CN114753151A (en) * | 2022-03-08 | 2022-07-15 | 安徽恒益纺织科技有限公司 | Wear-resistant textile fabric and preparation method thereof |
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Application publication date: 20170419 |