CN107254165A - A kind of PA6 composites and preparation method thereof - Google Patents
A kind of PA6 composites and preparation method thereof Download PDFInfo
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- CN107254165A CN107254165A CN201710601174.7A CN201710601174A CN107254165A CN 107254165 A CN107254165 A CN 107254165A CN 201710601174 A CN201710601174 A CN 201710601174A CN 107254165 A CN107254165 A CN 107254165A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
- C08L77/02—Polyamides derived from omega-amino carboxylic acids or from lactams thereof
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
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- C08K2201/003—Additives being defined by their diameter
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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- C08L2201/00—Properties
- C08L2201/04—Antistatic
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/08—Polymer mixtures characterised by other features containing additives to improve the compatibility between two polymers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
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Abstract
The present invention relates to a kind of PA6 composites and preparation method thereof, PA6 composites are composed of the following components by weight：PA6 is 80 parts 100 parts；PPTA fibers are 10 parts 16 parts；Compatilizer is 0.1 part 0.3 part；Nanometer AZO is 4 parts 6 parts；Antioxidant is 0.1 part 0.5 part；Wherein PPTA fibers are the PPTA fibers after alkali process.PPTA surface polarity keys after alkali process increase, and are conducive to improving the compatibility between PPTA and PA6；The effect of PPTA fibers mainly have it is following some：1) PPTA fibers have certain anti-flammability in itself, and its addition improves the fire resistance of PA6 composites.2) addition of PPTA fibers improves the physical property of PA6 composites.
Description
Technical field
The invention belongs to technical field of polymer materials, a kind of PA6 composites and preparation method thereof are particularly related to.
Background technology
Polyamide 6 (PA6) is a kind of wide variety of macromolecule polyester resin, and PA6 has good fatigue durability, preferably
Heat resistance, the advantages of excellent dimensional stability, but its anti-flammability and antistatic property are general.Specifically should at some
With field, there are fire resistance, antistatic property and physical property to have very high requirement to PA6, common PA6 composites can not expire
Foot is required.
The content of the invention
It is of the prior art common to solve it is an object of the invention to provide a kind of PA6 composites and preparation method thereof
The problem of application field of PA6 composites is restricted.
The present invention is achieved by the following technical solutions：
A kind of PA6 composites, it is composed of the following components by weight：
Wherein PPTA fibers are the PPTA fibers after alkali process.
The alkali process of the PPTA fibers, it is specifically poly- by following step：
(1) 3-5h is washed with deionized in PPTA fibers under normal temperature state, to remove some on PPTA fiber surfaces
Impurity；
(2) the PPTA fiber suction filtrations after washing in step poly- (1) are gone after water to be put into the NaOH aqueous solution under normal temperature state, instead
Answer 2-4h；
(3) PPTA fiber of the step poly- (2) after NaOH is handled is washed with 60-80 DEG C of deionized water；
(4) it is put into after PPTA fibers are cooled to normal temperature in glacial acetic acid solution, pH value is adjusted to neutrality, after suction filtration drying both
Obtain the PPTA fibers after alkali process.
The NaOH concentration of aqueous solution is 0.2-0.6mol/L；The glacial acetic acid solution concentration is 0.8-1.0mol/L.
The compatilizer is SEBS-g-MAH.
The particle diameter of the nanometer AZO is 30-40nm.
The antioxidant is three (2,4- di-t-butyl) phenyl-phosphites, four [β-(3,5- di-tert-butyl-hydroxy phenyls)
Propionic acid] pentaerythritol ester or 1,3,5- trimethyls -2,4, one kind or several in 6- (3,5- di-t-butyl -4- hydroxyphenylmethyls) benzene
The mixing planted.
The preparation method of any of the above-described kind of PA6 composite, comprises the following steps：
(1) weigh 80 parts -100 parts PA6,10 parts of -16 parts of PPTA fibers, 4 parts of -6 parts of nanometer AZO, 0.1 part -0.3 part
SEBS-g-MAH, 0.1 part of -0.5 part of antioxidant are mixed and stirred for uniformly, obtaining compound；
(2) the compound extruding pelletization that will be obtained in step (1), that is, obtain PA6 composites.
The step (2) is specially：
The compound obtained in step (1) is put into the hopper of double screw extruder, wherein, the twin-screw extrusion
Machine includes six humidity provinces sequentially arranged, 200~220 DEG C of area's temperature, two 240~260 DEG C of area's temperature, three area's temperature 240
~260 DEG C, four 240~260 DEG C of area's temperature, five 240~260 DEG C of area's temperature, six 240~260 DEG C of area's temperature, head temperature 240
~260 DEG C, 200~280r/min of screw speed.
The beneficial effects of the invention are as follows：
1st, the PPTA surface polarity keys after alkali process increase, and are conducive to improving the compatibility between PPTA and PA6.
2nd, SEBS-g-MAH addition further increases the compatibility between PPTA and PA6.
3rd, the effect of PPTA fibers mainly have it is following some：1) PPTA fibers in itself have certain anti-flammability, it plus
Enter to improve the fire resistance of PA6 composites.2) addition of PPTA fibers improves the physical property of PA6 composites.
4th, nanometer AZO (zinc oxide aluminum) addition improves the antistatic property of PA6 materials.
Embodiment
Describe technical scheme in detail by the following examples, following embodiment be only it is exemplary, only
Explanation and illustration technical scheme can be used for, and be not to be construed as the limitation to technical solution of the present invention.
Raw material used is as follows in present embodiments：
PA6 (model C M1017), toray；PPTA fibers (model Kevlar), Dupont；SEBS-g-MAH, Soviet Union
State Asia match plasticizing Co., Ltd；Nanometer AZO, Hangzhou Wanjing New Material Co., Ltd.；Antioxidant (model Irganox168,
Irganox1010, Irganox1330), Switzerland's Ciba.
Tester used in each embodiment of the application is as follows：
ZSK30 type double screw extruders, German W＆P companies；JL-1000 type tensile testing machines, the wide just experiment instrument in Guangzhou
Device company produces；HTL900-T-5B type injection (mo(u)lding) machines, the production of Hai Tai plastics machineries Co., Ltd；XCJ-500 type shock-testings
Machine, the production of Chengde testing machine factory；QT-1196 type tester for elongation, Dongguan City Gao Tai detecting instruments Co., Ltd；QD-GJS-
B12K type homogenizers, Beijing perseverance Order instrument and meter Co., Ltd.
The application provides a kind of PA6 composites, composed of the following components by weight：
Wherein PPTA fibers are the PPTA fibers after alkali process.
The alkali process of PPTA fibers, it is specifically poly- by following step：
(1) 3-5h is washed with deionized in PPTA fibers under normal temperature state, to remove some on PPTA fiber surfaces
Impurity；
(2) the PPTA fiber suction filtrations after being washed in step poly- (1) are gone after water to be put into concentration for 0.2- under normal temperature state
In the 0.6mol/L NaOH aqueous solution, 2-4h is reacted；
(3) PPTA fiber of the step poly- (2) after NaOH is handled is washed 3-5 times with 60-80 DEG C of deionized water；
(4) it is put into after PPTA fibers are cooled to normal temperature in the glacial acetic acid solution that concentration is 0.8-1.0mol/L, by pH value
Neutrality is adjusted to, suction filtration had both obtained the PPTA fibers after alkali process after drying.
Compatilizer is SEBS-g-MAH.
Nanometer AZO particle diameter is 30-40nm.
Antioxidant for BASF AG three (2,4- di-t-butyls) phenyl-phosphites (abbreviation Irganox168), four [β-
(3,5- di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester (abbreviation Irganox1010) or 1,3,5- trimethyls -2,4,
One or more of mixing in 6- (3,5- di-t-butyl -4- hydroxyphenylmethyls) benzene (abbreviation Irganox1330).
The preparation method of any of the above-described kind of PA6 composite, comprises the following steps：
(1) weigh 80 parts -100 parts PA6,10 parts of -16 parts of PPTA fibers, 4 parts of -6 parts of nanometer AZO, 0.1 part -0.3 part
SEBS-g-MAH, 0.1 part of -0.5 part of antioxidant are mixed and stirred for uniformly, obtaining compound；
(2) the compound extruding pelletization that will be obtained in step (1), that is, obtain PA6 composites.
Step (2) is specially：
The compound obtained in step (1) is put into the hopper of double screw extruder, wherein, double screw extruder bag
Include six humidity provinces sequentially arranged, 200~220 DEG C of area's temperature, two 240~260 DEG C of area's temperature, three area's temperature 240~260
DEG C, four 240~260 DEG C of area's temperature, five 240~260 DEG C of area's temperature, six 240~260 DEG C of area's temperature, head temperature 240~260
DEG C, 200~280r/min of screw speed.
Embodiment 1
(1) weigh 80 parts of PA6,10 parts of PPTA fibers, 4 parts of nanometer AZO, 0.1 part of SEBS-g-MAH, 0.1 part
Irganox1010 is mixed and stirred for uniformly, obtaining compound；
(2) the compound extruding pelletization that will be obtained in step (1), that is, obtain PA6 composites P1.
Wherein each area's temperature of double screw extruder and screw speed are respectively：One 200 DEG C of area's temperature, two 240 DEG C of area's temperature,
Three 240 DEG C of area's temperature, four 240 DEG C of area's temperature, five 240 DEG C of area's temperature, six 240 DEG C of area's temperature, 240 DEG C of head temperature；Screw rod turns
Fast 200r/min.
Embodiment 2
(1) weigh 100 parts of PA6,16 parts of PPTA fibers, 6 parts of nanometer AZO, 0.3 part of SEBS-g-MAH, 0.1 part
Irganox1010,0.2 part of Irganox1330,0.2 part of Irganox168 are mixed and stirred for uniformly, obtaining compound；
(2) the compound extruding pelletization that will be obtained in step (1), that is, obtain PA6 composites P2.
Wherein each area's temperature of double screw extruder and screw speed are respectively：One 220 DEG C of area's temperature, two 260 DEG C of area's temperature,
Three 260 DEG C of area's temperature, four 260 DEG C of area's temperature, five 260 DEG C of area's temperature, six 260 DEG C of area's temperature, 260 DEG C of head temperature；Screw rod turns
Fast 280r/min.
Embodiment 3
(1) weigh 90 parts of PA6,13 parts of PPTA fibers, 5 parts of nanometer AZO, 0.2 part of SEBS-g-MAH, 0.1 part
Irganox1010,0.2 part of Irganox168 are mixed and stirred for uniformly, obtaining compound；
(2) the compound extruding pelletization that will be obtained in step (1), that is, obtain PA6 composites P3.
Wherein each area's temperature of double screw extruder and screw speed are respectively：One 210 DEG C of area's temperature, two 250 DEG C of area's temperature,
Three 250 DEG C of area's temperature, four 250 DEG C of area's temperature, five 250 DEG C of area's temperature, six 250 DEG C of area's temperature, 250 DEG C of head temperature；Screw rod turns
Fast 240r/min.
Embodiment 4
(1) weigh 95 parts of PA6,15 parts of PPTA fibers, 4 parts of nanometer AZO, 0.3 part of SEBS-g-MAH, 0.1 part
Irganox1010,0.1 part of Irganox1330 are mixed and stirred for uniformly, obtaining compound；
(2) the compound extruding pelletization that will be obtained in step (1), that is, obtain PA6 composites P4.
Wherein each area's temperature of double screw extruder and screw speed are respectively：One 220 DEG C of area's temperature, two 255 DEG C of area's temperature,
Three 255 DEG C of area's temperature, four 255 DEG C of area's temperature, five 255 DEG C of area's temperature, six 255 DEG C of area's temperature, 255 DEG C of head temperature；Screw rod turns
Fast 245r/min.
Embodiment 5
(1) weigh 85 parts of PA6,12 parts of PPTA fibers, 5 parts of nanometer AZO, 0.2 part of SEBS-g-MAH, 0.1 part
Irganox1010,0.2 part of Irganox1330 are mixed and stirred for uniformly, obtaining compound；
(2) the compound extruding pelletization that will be obtained in step (1), that is, obtain PA6 composites P5.
Wherein each area's temperature of double screw extruder and screw speed are respectively：One 220 DEG C of area's temperature, two 245 DEG C of area's temperature,
Three 245 DEG C of area's temperature, four 245 DEG C of area's temperature, five 245 DEG C of area's temperature, six 245 DEG C of area's temperature, 245 DEG C of head temperature；Screw rod turns
Fast 265r/min.
Comparative example 1
(1) 85 parts of PA6,0.2 part of SEBS-g-MAH, 0.1 part of Irganox1010,0.2 part of Irganox1330 mixing are weighed
And stir, obtain compound；
(2) the compound extruding pelletization that will be obtained in step (1), that is, obtain PA6 composites D1.
Wherein each area's temperature of double screw extruder and screw speed are respectively：One 220 DEG C of area's temperature, two 245 DEG C of area's temperature,
Three 245 DEG C of area's temperature, four 245 DEG C of area's temperature, five 245 DEG C of area's temperature, six 245 DEG C of area's temperature, 245 DEG C of head temperature；Screw rod turns
Fast 265r/min.
Performance test：
Batten test is made PA6 composites prepared by above-described embodiment 1-5 and comparative example 1 of injection machine, tests number
According to such as following table：
As can be seen from the above table, it can also be seen that embodiment 1-5 fire resistance, antistatic property and physical from table
It can will be better than comparative example 1, greatly extend the application field of PA6 composites, have very important significance.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of changes, modification can be carried out to these embodiments, replace without departing from the principles and spirit of the present invention by understanding
And deformation, the scope of the present invention extremely equally limits by appended claims.
Claims (8)
1. a kind of PA6 composites, it is characterised in that composed of the following components by weight：
Wherein PPTA fibers are the PPTA fibers after alkali process.
2. PA6 composites according to claim 1, it is characterised in that the alkali process of the PPTA fibers, specifically by such as
Lower step is gathered：
(1) 3-5h is washed with deionized in PPTA fibers under normal temperature state, to remove some impurity on PPTA fiber surfaces；
(2) the PPTA fiber suction filtrations after washing in step poly- (1) are gone after water to be put into the NaOH aqueous solution under normal temperature state, reacts 2-
4h；
(3) PPTA fiber of the step poly- (2) after NaOH is handled is washed with 60-80 DEG C of deionized water；
(4) it is put into after PPTA fibers are cooled to normal temperature in glacial acetic acid solution, pH value is adjusted to neutrality, suction filtration both obtains alkali after drying
PPTA fibers after processing.
3. PA6 composites according to claim 2, it is characterised in that the NaOH concentration of aqueous solution is 0.2-
0.6mol/L；The glacial acetic acid solution concentration is 0.8-1.0mol/L.
4. PA6 composites according to claim 1, it is characterised in that the compatilizer is SEBS-g-MAH.
5. PA6 composites according to claim 1, it is characterised in that the particle diameter of the nanometer AZO is 30-40nm.
6. PA6 composites according to claim 1, it is characterised in that the antioxidant is three (2,4- di-t-butyls)
Phenyl-phosphite, four [β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol esters or 1,3,5- trimethyls -2,4,6-
One or more of mixing in (3,5- di-t-butyl -4- hydroxyphenylmethyls) benzene.
7. the preparation method of any PA6 composites in the claims 1 to 6, it is characterised in that comprise the following steps：
(1) weigh 80 parts -100 parts PA6,10 parts of -16 parts of PPTA fibers, 4 parts of -6 parts of nanometer AZO, 0.1 part of -0.3 part of SEBS-
G-MAH, 0.1 part of -0.5 part of antioxidant are mixed and stirred for uniformly, obtaining compound；
(2) the compound extruding pelletization that will be obtained in step (1), that is, obtain PA6 composites.
8. the preparation method of PA6 composites according to claim 7, it is characterised in that the step (2) is specially：
The compound obtained in step (1) is put into the hopper of double screw extruder, wherein, the double screw extruder bag
Include six humidity provinces sequentially arranged, 200~220 DEG C of area's temperature, two 240~260 DEG C of area's temperature, three area's temperature 240~260
DEG C, four 240~260 DEG C of area's temperature, five 240~260 DEG C of area's temperature, six 240~260 DEG C of area's temperature, head temperature 240~260
DEG C, 200~280r/min of screw speed.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107573682A (en) * | 2017-10-23 | 2018-01-12 | 安徽江淮汽车集团股份有限公司 | A kind of uniform PA6 composites of high-performance shrinkage factor and preparation method thereof |
| CN113943477A (en) * | 2021-12-09 | 2022-01-18 | 安徽江淮汽车集团股份有限公司 | High-performance PET composite material and preparation method thereof |
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| CN103214778A (en) * | 2013-04-02 | 2013-07-24 | 深圳市亚塑科技有限公司 | Impact-resistant polystyrene composition and preparation method thereof |
| CN103289394A (en) * | 2013-06-24 | 2013-09-11 | 苏州新区佳合塑胶有限公司 | Antistatic reinforced Nylon 66 composite |
| CN103981693A (en) * | 2014-06-03 | 2014-08-13 | 陕西科技大学 | Polyaniline (PANI)-alkaline aramid fiber (ARF) composite conductive fiber and preparation method thereof |
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2017
- 2017-07-21 CN CN201710601174.7A patent/CN107254165A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103214778A (en) * | 2013-04-02 | 2013-07-24 | 深圳市亚塑科技有限公司 | Impact-resistant polystyrene composition and preparation method thereof |
| CN103289394A (en) * | 2013-06-24 | 2013-09-11 | 苏州新区佳合塑胶有限公司 | Antistatic reinforced Nylon 66 composite |
| CN103981693A (en) * | 2014-06-03 | 2014-08-13 | 陕西科技大学 | Polyaniline (PANI)-alkaline aramid fiber (ARF) composite conductive fiber and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107573682A (en) * | 2017-10-23 | 2018-01-12 | 安徽江淮汽车集团股份有限公司 | A kind of uniform PA6 composites of high-performance shrinkage factor and preparation method thereof |
| CN113943477A (en) * | 2021-12-09 | 2022-01-18 | 安徽江淮汽车集团股份有限公司 | High-performance PET composite material and preparation method thereof |
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