CN109294222A - A kind of PA6-PMMA composite material and preparation method - Google Patents
A kind of PA6-PMMA composite material and preparation method Download PDFInfo
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- CN109294222A CN109294222A CN201811101355.4A CN201811101355A CN109294222A CN 109294222 A CN109294222 A CN 109294222A CN 201811101355 A CN201811101355 A CN 201811101355A CN 109294222 A CN109294222 A CN 109294222A
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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
- 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
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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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
- C08L2205/03—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
Abstract
Composed of the following components by weight the present invention relates to a kind of PA6-PMMA composite material and preparation method: PA6 is 70 parts -90 parts；PMMA is 10 parts -20 parts；PMMA-g-PA6 is 2 parts -4 parts；Antioxidant is 0.1 part -0.5 part.The technical program synthesizes PMMA-g-MDI first, then carries out polymerization reaction with sodium caprolactam, generates PMMA-g-PA6, the compatilizer of PA6 and PMMA are made of it, can improve compatibility between the two well, improve the mechanical property of PA6-PMMA composite material.
Description
Technical field
The invention belongs to technical field of polymer materials, a kind of PA6-PMMA composite material and its preparation side are particularly related to
Method.
Background technique
Nylon 6 (PA6) is a kind of widely used thermoplastic engineering plastic, has good tensile strength, toughness, resistance to compacted
Denaturation.Polymethyl methacrylate (PMMA) is the thermoplastic of odorless, tasteless, has excellent heat resistance, weatherability and melts
Melt mobility, good moldability.
The technical program combines the respective excellent properties of both PA6 and PMMA, and is done using PMMA-g-PA6 compatible
Agent solves the problems, such as that the two compatibility is bad, and a kind of PA6-PMMA composite material of excellent physical properties, related text has been made
Report is offered and is not found in, this is with very important realistic meaning.
Summary of the invention
The object of the present invention is to provide a kind of PA6-PMMA composite material and preparation methods, to solve existing PA6 and PMMA
The bad problem of compatibility.
The present invention is achieved by the following technical solutions:
A kind of PA6-PMMA composite material, composed of the following components by weight:
The preparation method of the PMMA-g-PA6, comprising the following steps:
(1) a certain amount of methyl methacrylate, methyl diphenylene diisocyanate, initiator, deionized water is weighed to put
Enter in three-necked flask, be passed through nitrogen protection, is placed in 70-90 DEG C of tepidarium and reacts 8-12h, obtain solution A；
(2) weigh a certain amount of sodium caprolactam, solution A is put into three-necked flask, in 100-160 DEG C of reaction 18-24h,
Obtain solution B；
(3) it to after reaction filter solution B, is washed with distilled water, the dry 6-8h in 60-80 DEG C of baking oven, both
Product PMMA-g-PA6.
Methyl methacrylate, methyl diphenylene diisocyanate, initiator, deionized water quality ratio in step (1)
For (50-70): (3-5): (0.6-0.8): (180-200).
Initiator in step (1) is the mixture of sodium hydrogensulfite and peroxysuccinic acid, and their mass ratio is
1:1。
The mass ratio of sodium caprolactam, solution A in step (2) is (50-70): (60-80).
Antioxidant three (2,4- di-t-butyl) phenyl-phosphite, four [β-(3,5- di-tert-butyl-hydroxy phenyl) third
Acid] one of pentaerythritol ester or 1,3,5- trimethyl -2,4,6- (3,5- di-t-butyl -4- hydroxyphenylmethyl) benzene or more
Kind.
A kind of preparation method of PA6-PMMA composite material, includes the following steps:
(1) 70 parts of -90 parts of PA6,10 parts of -20 parts of PMMA, 2 parts of -4 parts of PMMA-g-PA6,0.1 part of -0.5 part of antioxygen are weighed
Agent is mixed and stirred for uniformly, obtaining mixture；
(2) by mixture extruding pelletization obtained in step (1) to get arrive PA6-PMMA composite material.
The step (2) specifically: mixture obtained in step (1) is put into the hopper of double screw extruder and squeezed
It being granulated out to get PA6-PMMA composite material is arrived, wherein the double screw extruder includes six humidity provinces sequentially arranged,
One 200~220 DEG C of area's temperature, two 260~280 DEG C of area's temperature, three 260~280 DEG C of area's temperature, four 260~280 DEG C of area's temperature,
Five 260~280 DEG C of area's temperature, six 260~280 DEG C of area's temperature, 260~280 DEG C of head temperature, 200~280r/ of screw speed
min。
The beneficial effects of the present invention are:
1, the technical program synthesizes PMMA-g-MDI first, then carries out polymerization reaction with sodium caprolactam, generates PMMA-g-
PA6 makes the compatilizer of PA6 and PMMA of it, can improve compatibility between the two well, and it is compound to improve PA6-PMMA
The mechanical property of material.
2, the technical program has synthesized a kind of compatilizer PMMA-g-PA6, the compatilizer of PA6 and PMMA is made of it, than it
The effect of its compatilizer is more preferable, and final PA6-PMMA physical property obtained is also more excellent.
3, PA6-PMMA composite technology made from the technical program is simple, and excellent physical properties are easy to promote and utilize.
Specific embodiment
Carry out the technical solution that the present invention will be described in detail by the following examples, embodiment below is merely exemplary, only
It can be used to explanation and illustration technical solution of the present invention, and be not to be construed as the limitation to technical solution of the present invention.
The application provides a kind of PA6-PMMA composite material, composed of the following components by weight:
The preparation method of the PMMA-g-PA6, comprising the following steps:
(1) weigh a certain amount of methyl methacrylate (MMA), methyl diphenylene diisocyanate (MDI), initiator,
Deionized water is put into three-necked flask, is passed through nitrogen protection, is placed in 70-90 DEG C of tepidarium and is reacted 8-12h, obtains solution A；
Methyl methacrylate, methyl diphenylene diisocyanate, initiator, deionized water quality ratio are (50-70): (3-5):
(0.6-0.8): (180-200)；Initiator is the mixture of sodium hydrogensulfite and peroxysuccinic acid, and their mass ratio is
1:1。
(2) weigh a certain amount of sodium caprolactam, solution A is put into three-necked flask, in 100-160 DEG C of reaction 18-24h,
Obtain solution B；Sodium caprolactam, solution A mass ratio be (50-70): (60-80).
(3) it to after reaction filter solution B, is washed with distilled water, the dry 6-8h in 60-80 DEG C of baking oven, both
Product PMMA-g-PA6.
The antioxidant is three (2,4- di-t-butyl) phenyl-phosphites (Irganox168), four [β-(the tertiary fourths of 3,5- bis-
Base -4- hydroxy phenyl) propionic acid] pentaerythritol ester (I rganox1010) or 1,3,5- trimethyl -2,4,6- (the tertiary fourth of 3,5- bis-
Base -4- hydroxyphenylmethyl) one of benzene (I rganox1330) or a variety of.
A kind of preparation method of PA6-PMMA composite material, includes the following steps:
(1) 70 parts of -90 parts of PA6,10 parts of -20 parts of PMMA, 2 parts of -4 parts of PMMA-g-PA6,0.1 part of -0.5 part of antioxygen are weighed
Agent is mixed and stirred for uniformly, obtaining mixture；
(2) by mixture extruding pelletization obtained in step (1) to get arrive PA6-PMMA composite material.
The step (2) specifically: mixture obtained in step (1) is put into the hopper of double screw extruder and squeezed
It being granulated out to get PA6-PMMA composite material is arrived, wherein the double screw extruder includes six humidity provinces sequentially arranged,
One 200~220 DEG C of area's temperature, two 260~280 DEG C of area's temperature, three 260~280 DEG C of area's temperature, four 260~280 DEG C of area's temperature,
Five 260~280 DEG C of area's temperature, six 260~280 DEG C of area's temperature, 260~280 DEG C of head temperature, 200~280r/ of screw speed
min。
Raw material used in embodiments herein is as follows:
PA6 (model 200), Guangzhou Super-Dragon Engineering Plastic Co., Ltd.；PMMA, Dongguan City great achievement engineering plastics are limited
Company；Methyl methacrylate, thousand chemical industry of Guangzhou；Methyl diphenylene diisocyanate, the excellent limited public affairs of amount chemical science and technology in Shanghai
Department；Sodium hydrogensulfite, Jiaozhuo dimension connection fine chemistry industry；Peroxysuccinic acid, Jiande Xin Ying Chemical Co., Ltd.；Sodium caprolactam,
The great chemical industry of Zhengzhou brocade；Antioxidant (model Irganox168, Irganox1010, Irganox1330), Switzerland's Ciba.
Test equipment used herein is as follows:
ZSK30 type double screw extruder, German W&P company；JL-1000 type tensile testing machine, the wide just experiment instrument in Guangzhou
The production of device company；HTL900-T-5B type injection (mo(u)lding) machine, the production of Hai Tai plastics machinery Co., Ltd；XCJ-500 type shock-testing
Machine, the production of Chengde testing machine factory；QT-1196 type tester for elongation, Dongguan City Gao Tai detecting instrument Co., Ltd；QD-GJS-
B12K type high-speed mixer, Beijing perseverance Order instrument and meter Co., Ltd.
Embodiment 1
(1) 70 parts of PA6,10 parts of PMMA, 2 parts of PMMA-g-PA6,0.1 part of Irganox1010 are weighed, is mixed and stirred for
It is even, obtain mixture；
(2) by mixture extruding pelletization obtained in step (1) to get arrive PA6-PMMA composite material P1.
Wherein, the double screw extruder includes six humidity provinces sequentially arranged, 200 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 200r/min.
Embodiment 2
(1) 90 parts of PA6,20 parts of PMMA, 4 parts of PMMA-g-PA6,0.1 part of Irganox168,0.2 part are weighed
Irganox1010,0.2 part of Irganox1330 are mixed and stirred for uniformly, obtaining mixture；
(2) by mixture extruding pelletization obtained in step (1) to get arrive PA6-PMMA composite material P2.
Wherein, the double screw extruder includes six humidity provinces sequentially arranged, 210 DEG C of area's temperature, two area's temperature
270 DEG C, three 270 DEG C of area's temperature, four 270 DEG C of area's temperature, five 270 DEG C of area's temperature, six 270 DEG C of area's temperature, 270 DEG C of head temperature；
Screw speed 240r/min.
Embodiment 3
(1) 80 parts of PA6,15 parts of PMMA, 3 parts of PMMA-g-PA6,0.1 part of Irganox168,0.2 part are weighed
Irganox1010 is mixed and stirred for uniformly, obtaining mixture；
(2) by mixture extruding pelletization obtained in step (1) to get arrive PA6-PMMA composite material P3.
Wherein, double screw extruder includes six humidity provinces sequentially arranged, 220 DEG C of area's temperature, two area's temperature 280
DEG C, three 280 DEG C of area's temperature, four 280 DEG C of area's temperature, five 280 DEG C of area's temperature, six 280 DEG C of area's temperature, 280 DEG C of head temperature；Screw rod
Revolving speed 280r/min.
Embodiment 4
(1) 75 parts of PA6,17 parts of PMMA, 2 parts of PMMA-g-PA6,0.1 part of Irganox168,0.1 part are weighed
Irganox1330 is mixed and stirred for uniformly, obtaining mixture；
(2) by mixture extruding pelletization obtained in step (1) to get arrive PA6-PMMA composite material P4.
Wherein, double screw extruder includes six humidity provinces sequentially arranged, 215 DEG C of area's temperature, two area's temperature 275
DEG C, three 275 DEG C of area's temperature, four 275 DEG C of area's temperature, five 275 DEG C of area's temperature, six 275 DEG C of area's temperature, 275 DEG C of head temperature；Screw rod
Revolving speed 245r/min.
Embodiment 5
(1) 87 parts of PA6,13 parts of PMMA, 4 parts of PMMA-g-PA6,0.1 part of Irganox168,0.3 part are weighed
Irganox1330 is mixed and stirred for uniformly, obtaining mixture；
(2) by mixture extruding pelletization obtained in step (1) to get arrive PA6-PMMA composite material P5.
Wherein, double screw extruder includes six humidity provinces sequentially arranged, 205 DEG C of area's temperature, two area's temperature 265
DEG C, three 265 DEG C of area's temperature, four 265 DEG C of area's temperature, five 265 DEG C of area's temperature, six 265 DEG C of area's temperature, 265 DEG C of head temperature；Screw rod
Revolving speed 220r/min.
Comparative example 1
(1) 85 parts of PA6,16 parts of PMMA, 0.1 part of Irganox168,0.3 part of Irganox1330 are weighed, is mixed and stirred for
It is even, obtain mixture；
(2) by mixture extruding pelletization obtained in step (1) to get arrive PA6-PMMA composite material D1.
Wherein, double screw extruder includes six humidity provinces sequentially arranged, 205 DEG C of area's temperature, two area's temperature 265
DEG C, three 265 DEG C of area's temperature, four 265 DEG C of area's temperature, five 265 DEG C of area's temperature, six 265 DEG C of area's temperature, 265 DEG C of head temperature；Screw rod
Revolving speed 220r/min.
Performance test:
Batten test is made with injection molding machine in PA6-PMMA composite material prepared by above-described embodiment 1-5 and comparative example 1, is surveyed
Examination data are as follows:
Each embodiment of table 1 and the test of comparative example properties of product
As can be seen from the above table, embodiment 1-5 is compared with comparative example 1, tensile strength, cantilever beam impact strength, bending die
The physical properties such as amount are improved to some extent.This can satisfy the application field of extension PA6-PMMA composite material
Requirement of the fields such as IT, communication, electronics, automobile to engineering part.
It 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 variations, modification, replacement can be carried out to these embodiments 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 (8)
1. a kind of PA6-PMMA composite material, which is characterized in that composed of the following components by weight:
2. PA6-PMMA composite material according to claim 1, which is characterized in that the preparation side of the PMMA-g-PA6
Method, comprising the following steps:
(1) a certain amount of methyl methacrylate, methyl diphenylene diisocyanate, initiator, deionized water are weighed and is put into three
In mouth flask, it is passed through nitrogen protection, is placed in 70-90 DEG C of tepidarium and reacts 8-12h, obtain solution A；
(2) weigh a certain amount of sodium caprolactam, solution A is put into three-necked flask, in 100-160 DEG C of reaction 18-24h, obtain molten
Liquid B；
(3) it to after reaction filter solution B, is washed with distilled water, dry 6-8h, both obtains product in 60-80 DEG C of baking oven
PMMA-g-PA6。
3. PA6-PMMA composite material according to claim 2, which is characterized in that the methyl methacrylate in step (1)
Ester, methyl diphenylene diisocyanate, initiator, deionized water quality ratio are (50-70): (3-5): (0.6-0.8): (180-
200)。
4. PA6-PMMA composite material according to claim 3, which is characterized in that the initiator in step (1) is sulfurous
The mixture of sour hydrogen sodium and peroxysuccinic acid, and their mass ratio is 1:1.
5. PA6-PMMA composite material according to claim 2, which is characterized in that sodium caprolactam in step (2), molten
The mass ratio of liquid A is (50-70): (60-80).
6. PA6-PMMA composite material according to claim 1, which is characterized in that three (2, the 4- bis- tertiary fourths of antioxidant
Base) phenyl-phosphite, four [β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol esters or trimethyl -2 1,3,5-,
One of 4,6- (3,5- di-t-butyl -4- hydroxyphenylmethyl) benzene is a variety of.
7. a kind of preparation method of PA6-PMMA composite material, which comprises the steps of:
(1) 70 parts of -90 parts of PA6,10 parts of -20 parts of PMMA, 2 parts of -4 parts of PMMA-g-PA6,0.1 part of -0.5 part of antioxidant are weighed, is mixed
Merging stirs evenly, and obtains mixture；
(2) by mixture extruding pelletization obtained in step (1) to get arrive PA6-PMMA composite material.
8. the preparation method of PA6-PMMA composite material according to claim 7, which is characterized in that step (2) tool
Body are as follows: mixture obtained in step (1) is put into the hopper of double screw extruder extruding pelletization to get to PA6-PMMA
Composite material, wherein the double screw extruder includes six humidity provinces sequentially arranged, 200~220 DEG C of area's temperature, and two
260~280 DEG C of area's temperature, three 260~280 DEG C of area's temperature, four 260~280 DEG C of area's temperature, five 260~280 DEG C of area's temperature, six
260~280 DEG C of area's temperature, 260~280 DEG C of head temperature, 200~280r/min of screw speed.
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| CN201811101355.4A CN109294222A (en) | 2018-09-20 | 2018-09-20 | A kind of PA6-PMMA composite material and preparation method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112266563A (en) * | 2020-11-05 | 2021-01-26 | 广东天雄新材料科技股份有限公司 | Polyamide-polymethyl methacrylate alloy material and preparation method thereof |
| CN112375174A (en) * | 2020-09-22 | 2021-02-19 | 苏州双象光学材料有限公司 | Preparation method of PMMA material particles for injection molding light guide plate |
| CN113136099A (en) * | 2021-04-23 | 2021-07-20 | 福建永聚兴新材料科技有限公司 | Anti-shrinkage high-strength PA 63D printing material and preparation method thereof |
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| CN113136099A (en) * | 2021-04-23 | 2021-07-20 | 福建永聚兴新材料科技有限公司 | Anti-shrinkage high-strength PA 63D printing material and preparation method thereof |
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Application publication date: 20190201 |