CN107573682A - A kind of uniform PA6 composites of high-performance shrinkage factor and preparation method thereof - Google Patents
A kind of uniform PA6 composites of high-performance shrinkage factor and preparation method thereof Download PDFInfo
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- CN107573682A CN107573682A CN201710992903.6A CN201710992903A CN107573682A CN 107573682 A CN107573682 A CN 107573682A CN 201710992903 A CN201710992903 A CN 201710992903A CN 107573682 A CN107573682 A CN 107573682A
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Abstract
It is composed of the following components by weight the present invention relates to uniform PA6 composites of a kind of high-performance shrinkage factor and preparation method thereof：100 parts of PA680 parts；20 parts of modified ppta fiber master batch 10 part；16 parts of glass microballoon 10 part；12 parts of toughener 8 part；0.5 part of antioxidant 0.1 part.By modified ppta fiber master batch made from PPTA fibers infiltration PA6 melts, the tension force between PPTA fibers and PA6 resins can be effectively reduced, PPTA fibers being uniformly distributed in PA6 matrixes is more beneficial for after master batch is made.
Description
Technical field
The invention belongs to technical field of polymer materials, particularly relates to a kind of uniform PA6 composite woods of high-performance shrinkage factor
Material and preparation method thereof.
Background technology
Polyamide 6 (PA6) is a kind of common macromolecule resin, and it has good optical characteristics and weatherability.Glass
Fiber often occurs that aspect ratio shrinkage factor is uneven, product surface as a kind of conventional plastic modifier with its modified Pa 6
Irregular phenomenon.
For such case, a kind of obtained high-performance and the uniform PA6 composites of shrinkage factor of the application innovation, this is right
There is very important realistic meaning in the application of extension PA6 composites.
The content of the invention
It is an object of the invention to provide uniform PA6 composites of a kind of high-performance shrinkage factor and preparation method thereof, with solution
Certainly in the prior art by the shrinkage factor caused by glass fibre modified Pa 6 is uneven the problem of.
The present invention is achieved by the following technical solutions：
A kind of uniform PA6 composites of high-performance shrinkage factor, it is composed of the following components by weight：
The preparation process of the modified ppta fiber master batch is as follows：
By PPTA fiber impregnations in the high flowing PA6 melts that melt index is 60-80g/10min, then it will be filled by PA6
The strip of sub-dip profit is cut into the particle of 4-8mm length, obtains modified ppta fiber master batch.
The high flowing PA6 is carried out at a temperature of 250-270 DEG C.
The PPTA fibers and high flowing PA6 mass ratio are (20-36)：(100-180).
The glass microballoon is muscovite, and particle diameter is 10-14 μm.
The toughener is MBS.
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 of kind.
The preparation method of a kind of high-performance and the uniform PA6 composites of shrinkage factor, comprises the following steps：
(1) weigh 80 parts -100 parts PA6,10 parts of -20 parts of modified ppta fiber master batches, 10 parts of -16 parts of glass microballoons, 8
- 12 parts of MBS of part, 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 extruding pelletization in the hopper of double screw extruder, wherein, it is described double
Screw extruder includes six humidity provinces sequentially arranged, 200~220 DEG C of area's temperature, two 240~260 DEG C of area's temperature, 3rd area
240~260 DEG C of temperature, 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
240~260 DEG C of temperature, 200~280r/min of screw speed.
The beneficial effects of the invention are as follows：
1st, by modified ppta fiber master batch made from PPTA fibers infiltration PA6 melts, PPTA fibers can effectively be reduced
Tension force between PA6 resins, PPTA fibers being uniformly distributed in PA6 matrixes is more beneficial for after master batch is made.
2nd, according to the present invention in obtained PA6 composite materials properties it is excellent, horizontal and vertical shrinkage factor difference than
Before be greatly improved, the regular no warpage of product surface.
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 various embodiments of the present invention：
PA6 (model C M1017), toray；PPTA (PPTA) fiber (model Kevlar),
Dupont；Glass microballoon, Langfang Yi You glasswares Co., Ltd；MBS, Shenzhen Paasche spy's new material Science and Technology Ltd.；
Antioxidant (model Irganox168, Irganox1010, Irganox1330), Switzerland's Ciba.
Tester used in the present invention 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 uniform PA6 composites of high-performance shrinkage factor, composed of the following components by weight：
The preparation process of the modified ppta fiber master batch is as follows：
By PPTA fiber impregnations in the high flowing PA6 melts that melt index is 60-80g/10min, then it will be filled by PA6
The strip of sub-dip profit is cut into the particle of 4-8mm length, obtains modified ppta fiber master batch.
The high flowing PA6 is the PA6 under 250-270 DEG C of state of temperature.
The PPTA fibers and high flowing PA6 mass ratio are (20-36)：(100-180).
The glass microballoon is muscovite, and particle diameter is 10-14 μm.
The toughener is MBS.
Described 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 esters (abbreviation Irganox1010) or 1,3,5- trimethyls-
One or more of mixing in 2,4,6- (3,5- di-t-butyl -4- hydroxyphenylmethyls) benzene (abbreviation Irganox1330).
The preparation method of a kind of high-performance and the uniform PA6 composites of shrinkage factor, comprises the following steps：
(1) weigh 80 parts -100 parts PA6,10 parts of -20 parts of modified ppta fiber master batches, 10 parts of -16 parts of glass microballoons, 8
- 12 parts of MBS of part, 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 extruding pelletization in the hopper of double screw extruder, wherein, it is described double
Screw extruder includes six humidity provinces sequentially arranged, 200~220 DEG C of area's temperature, two 240~260 DEG C of area's temperature, 3rd area
240~260 DEG C of temperature, 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
240~260 DEG C of temperature, 200~280r/min of screw speed.
Embodiment 1
(1) weigh 80 parts PA6,10 parts of modified ppta fiber master batches, 10 parts of glass microballoons, 8 parts of MBS, 0.1 part
Irganox168 is mixed and stirred for uniformly, obtaining compound；
(2) the compound extruding pelletization that will be obtained in step (1), that is, PA6 composites P1 is obtained.
The step (2) is specially：
The compound obtained in step (1) is put into extruding pelletization in the hopper of double screw extruder, that is, obtains PA6 and answers
Condensation material, wherein, the double screw extruder includes six humidity provinces sequentially arranged, 200 DEG C of area's temperature, two area's temperature
240 DEG C, 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 speed 200r/min.
Embodiment 2
(1) weigh 100 parts PA6,20 parts of modified ppta fiber master batches, 16 parts of glass microballoons, 12 parts of MBS, 0.1 part
Irganox168,0.2 part of 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, PA6 composites P2 is obtained.
The step (2) is specially：
The compound obtained in step (1) is put into extruding pelletization in the hopper of double screw extruder, that is, obtains PA6 and answers
Condensation material, wherein, the double screw extruder includes six humidity provinces sequentially arranged, 220 DEG C of area's temperature, two area's temperature
260 DEG C, 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 speed 280r/min.
Embodiment 3
(1) weigh 90 parts PA6,15 parts of modified ppta fiber master batches, 13 parts of glass microballoons, 10 parts of MBS, 0.1 part
Irganox168,0.2 part of Irganox1010 are mixed and stirred for uniformly, obtaining compound；
(2) the compound extruding pelletization that will be obtained in step (1), that is, PA6 composites P3 is obtained.
The step (2) is specially：
The compound obtained in step (1) is put into extruding pelletization in the hopper of double screw extruder, that is, obtains PA6 and answers
Condensation material, wherein, the double screw extruder includes six humidity provinces sequentially arranged, 210 DEG C of area's temperature, two area's temperature
250 DEG C, 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 speed 240r/min.
Embodiment 4
(1) weigh 95 parts PA6,14 parts of modified ppta fiber master batches, 14 parts of glass microballoons, 10 parts of MBS, 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, PA6 composites P4 is obtained.
The step (2) is specially：
The compound obtained in step (1) is put into extruding pelletization in the hopper of double screw extruder, that is, obtains PA6 and answers
Condensation material, wherein, the double screw extruder includes six humidity provinces sequentially arranged, 215 DEG C of area's temperature, two area's temperature
245 DEG C, 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 speed 245r/min.
Embodiment 5
(1) weigh 85 parts PA6,17 parts of modified ppta fiber master batches, 15 parts of glass microballoons, 9 parts of MBS, 0.1 part
Irganox1010,0.1 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, PA6 composites P5 is obtained.
The step (2) is specially：
The compound obtained in step (1) is put into extruding pelletization in the hopper of double screw extruder, that is, obtains PA6 and answers
Condensation material, wherein, the double screw extruder includes six humidity provinces sequentially arranged, 210 DEG C of area's temperature, two area's temperature
255 DEG C, 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 speed 270r/min.
Comparative example 1
(1) 90 parts of PA6,17 parts of PPTA fibers, 10 parts of glass microballoons, 9 parts of MBS, 0.1 part of Irganox1010,0.2 are weighed
Part Irganox168 is mixed and stirred for uniformly, obtaining compound；
(2) the compound extruding pelletization that will be obtained in step (1), that is, PA6 composites D1 is obtained.
The step (2) is specially：
The compound obtained in step (1) is put into extruding pelletization in the hopper of double screw extruder, that is, obtains PA6 and answers
Condensation material, wherein, the double screw extruder includes six humidity provinces sequentially arranged, 215 DEG C of area's temperature, two area's temperature
255 DEG C, 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 speed 245r/min.
Performance test：
PA6 composites prepared by above-described embodiment 1-5 and comparative example 1 are made into batten with injection machine to test, test number
According to such as following table：
It can be seen that from embodiment 1-5 and comparative example 1：
Mechanical property of the PA6 composites than comparative example PA6 in this patent embodiment improves, longitudinal contraction
Rate and lateral shrinkage difference are only 0.06%-0.09%, and more original 0.29% difference improves many, and shrinkage factor is more in length and breadth
Uniformly, manufactured finished surface regularity is more intact.
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 are extremely equally limited by appended claims.
Claims (9)
1. a kind of uniform PA6 composites of high-performance shrinkage factor, it is characterised in that composed of the following components by weight：
2. the uniform PA6 composites of high-performance shrinkage factor according to claim 1, it is characterised in that the modification
The preparation process of PPTA fiber master batches is as follows：
By PPTA fiber impregnations in the high flowing PA6 melts that melt index is 60-80g/10min, then will fully it be soaked by PA6
The strip of profit is cut into the particle of 4-8mm length, obtains modified ppta fiber master batch.
3. the uniform PA6 composites of high-performance shrinkage factor according to claim 2, it is characterised in that the high flowing
PA6 is carried out at a temperature of 250-270 DEG C.
4. the uniform PA6 composites of high-performance shrinkage factor according to claim 2, it is characterised in that the PPTA is fine
The high flowing PA6 of peacekeeping mass ratio is (20-36)：(100-180).
5. the uniform PA6 composites of high-performance shrinkage factor according to claim 1, it is characterised in that the glass is micro-
Pearl is muscovite, and particle diameter is 10-14 μm.
6. the uniform PA6 composites of high-performance shrinkage factor according to claim 1, it is characterised in that the toughener
For MBS.
7. the uniform PA6 composites of high-performance shrinkage factor according to claim 1, it is characterised in that the antioxidant
For three (2,4- di-t-butyl) phenyl-phosphites, four [β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol esters or
1,3,5- trimethyl -2,4, one or more of mixing in 6- (3,5- di-t-butyl -4- hydroxyphenylmethyls) benzene.
8. the preparation method of a kind of high-performance and the uniform PA6 composites of shrinkage factor, it is characterised in that comprise the following steps：
(1) weigh 80 parts -100 parts PA6,10 parts of -20 parts of modified ppta fiber master batches, 10 parts of -16 parts of glass microballoons, 8 part -12
Part MBS, 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.
9. the preparation method of high-performance according to claim 8 and the uniform PA6 composites of shrinkage factor, its feature exist
In the step (2) is specially：
The compound obtained in step (1) is put into extruding pelletization in the hopper of double screw extruder, wherein, the twin-screw
Extruder 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.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113463396A (en) * | 2021-07-01 | 2021-10-01 | 黑龙江弘宇短纤维新材料股份有限公司 | Aramid short fiber for nylon resin product and preparation method thereof |
| CN115612294A (en) * | 2022-09-29 | 2023-01-17 | 安徽威普达材料科技有限公司 | High-rigidity reinforced PA6 composite material and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106916447A (en) * | 2017-03-02 | 2017-07-04 | 山东道恩高分子材料股份有限公司 | A kind of preparation method of the modified long glass fibres reinforced thermoplastics of aramid fiber |
| CN107254165A (en) * | 2017-07-21 | 2017-10-17 | 安徽江淮汽车集团股份有限公司 | A kind of PA6 composites and preparation method thereof |
-
2017
- 2017-10-23 CN CN201710992903.6A patent/CN107573682A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106916447A (en) * | 2017-03-02 | 2017-07-04 | 山东道恩高分子材料股份有限公司 | A kind of preparation method of the modified long glass fibres reinforced thermoplastics of aramid fiber |
| CN107254165A (en) * | 2017-07-21 | 2017-10-17 | 安徽江淮汽车集团股份有限公司 | A kind of PA6 composites and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113463396A (en) * | 2021-07-01 | 2021-10-01 | 黑龙江弘宇短纤维新材料股份有限公司 | Aramid short fiber for nylon resin product and preparation method thereof |
| CN115612294A (en) * | 2022-09-29 | 2023-01-17 | 安徽威普达材料科技有限公司 | High-rigidity reinforced PA6 composite material and preparation method thereof |
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Application publication date: 20180112 |