CN109929205A - A kind of high thermal conductivity acrylonitrile-styrene-polyphenylene sulfide copolymer of motor housing and preparation method thereof - Google Patents
A kind of high thermal conductivity acrylonitrile-styrene-polyphenylene sulfide copolymer of motor housing and preparation method thereof Download PDFInfo
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- CN109929205A CN109929205A CN201711360752.9A CN201711360752A CN109929205A CN 109929205 A CN109929205 A CN 109929205A CN 201711360752 A CN201711360752 A CN 201711360752A CN 109929205 A CN109929205 A CN 109929205A
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- polyphenylene sulfide
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- motor housing
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Abstract
The present invention discloses a kind of high thermal conductivity acrylonitrile-styrene-polyphenylene sulfide copolymer and preparation method thereof of motor housing, the copolymerization composition formula are as follows: 30-60 parts of polyacrylonitrile-styrene copolymer, 10-30 parts of polyphenylene sulfide, 10-40 parts of thermal conducting agent, 3-15 parts of toughener, 0.5-5 parts of coupling agent, 0.2-1 parts of lubricant, 0.2-2 parts of antioxidant, 0.2-1 parts of fire retardant.Polyacrylonitrile-styrene copolymer, polyphenylene sulfide are dried 6h under 120 DEG C of vacuum environment for (1) by preparation method；Then raw material are added in high-speed mixer and are pre-mixed with auxiliary agent；The raw material mixed are imported in double screw extruder again and is plasticized, squeezed out and is granulated, gained pellet is formed by injection molding machine, motor housing mold finally, obtains product.The formula is mainly characterized by: good heat conductivity, good mechanical performance is cheap, easy to process, has good market application prospect.
Description
Technical field
The present invention relates to a kind of high thermal conductivity of motor housing acrylonitrile-styrene-diphenyl sulfide polymer and its preparations
Method.
Background technique
Acrylonitritrile-styrene resin (abbreviation AS) has excellent high temperature resistant, glossiness, chemical-resistance, simultaneously
Also has the features such as good intensity, rigidity and dimensional stability；Polyphenylene sulfide (abbreviation PPS), it is that a purposes is very wide
The general special plastic haveing excellent performance, mechanical property and corrosion resistance are widely used in electronics, automobile, machine comparable to ABS
The fields such as tool, chemical industry.At present although domestic manufacturer has certain production capacity, but most of still by import, at present
Based on the product of Japan.
The glass point and melting temperature of polyphenylene sulfide itself are higher, processing is difficult compared with other alloy plastics, although it possesses
Good heating conduction, by many constraints in application.
AS resin itself does not have heating conduction, but its is cheap, and convenient sources are used in compounding more with PPS resin
There is the good market competitiveness.
Based on metal shell, producer is often difficult to traditional motor housing on the problem of mechanical property is with product weight
It accepts or rejects.And the motor housing or material of most of non-metal shell in the market are of poor quality, vulnerable to thermal deformation, influence the motor longevity
Life or higher cost, it is difficult to form the market competitiveness.
And motor housing according to the present invention is higher to parameter requests such as heat transfer efficiency, mechanical strength, electrical isolations outer, also
Have easy to process, cheap, the low motor of low and middle-end heat production rate preferably uses, and compensates for the sky of market similar product
It is white.
Summary of the invention
The present invention relates to a kind of high thermal conductivity acrylonitrile-styrene-polyphenylene sulfide polymer for motor housing and its
Preparation method solves the problems, such as that conventional motors shell market Cost And Performance is difficult to show consideration for its object is to make up gaps in market.
In order to achieve the above objectives, the present invention is achieved by the following scheme:
A kind of high thermal conductivity acrylonitrile-styrene-polyphenylene sulfide polymer for motor housing, it is characterised in that:
30-60 parts of polyacrylonitrile-styrene copolymer
10-30 parts of polyphenylene sulfide
10-40 parts of thermal conducting agent
3-15 parts of toughener
0.5-5 parts of coupling agent
0.2-1 parts of lubricant
0.2-2 parts of antioxidant
0.2-1 parts of fire retardant
The polyacrylonitrile-styrene copolymer, wherein styrene-content are as follows: 30-50%；
The polyphenylene sulfide is amorphous state (crystallinity < 5%)；
The thermal conducting agent are as follows: KH-560(γ-glycidyl ether oxygen propyl trimethoxy silicane) modified aluminas, glass fibers
The one or more of dimension, aluminium nitride, boron nitride；
The thermal conducting agent is the state that irregular particle is blended with whisker, wherein irregular particle and whisker ratio are as follows: (15-
25): 1；Boron nitride is hexagonal boron nitride；
The toughener are as follows: methyl methacrylate-styrene-butadiene polymer, maleic anhydride-polyethylene polymer,
The one or more of ABS high glue powder, ethylene butyl acrylate copolymer (EBA)；
The coupling agent are as follows: γ-glycidyl ether oxygen propyl trimethoxy silicane (KH-560), 3- triethoxy-silicane
Base -1- propylamine gamma-aminopropyl-triethoxy-silane (KH-550)；
The lubricant are as follows: the one or more of paraffin, polyethylene wax, calcium stearate, aluminum stearate, stearic acid etc.；
The antioxidant are as follows: antioxidant 1010 (four [β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythrites
Ester), antioxidant 1076(3- (3,5- di-tert-butyl-hydroxy phenyl) propionic acid n-octadecane alcohol ester), antioxidant 176(is sub-
Tricresyl phosphate (2,4- di-tert-butyl) ester), antioxidant 1098(N, N'- be bis--(3- (35- di-tert-butyl-hydroxy phenyl) third
Acyl group) hexamethylene diamine) etc. one or more；
The fire retardant are as follows: butynediols diethoxy ether (BEO) is compounded with antimony oxide (Sb2O3), wherein BEO with
The ratio of Sb2O3 is (5-0.5): 1.
A kind of high thermal conductivity acrylonitrile-styrene-polyphenylene sulfide copolymer of motor housing and preparation method thereof, technique
Following steps should be met:
(1) polyacrylonitrile-styrene copolymer, polyphenylene sulfide are dried into 6h under 120 DEG C of vacuum environment；
(2) raw material are added in high-speed mixer and are pre-mixed with auxiliary agent；
(3) raw material mixed are imported in double screw extruder and is plasticized, is squeezed out and is granulated；
(4) gained pellet is formed by injection molding machine, motor housing mold, obtains product.
The double screw extruder plasticization temperature is 180-240 DEG C；
180-240 DEG C of the injection molding machine melting temperature, injection pressure 8-16kg, 60-120 DEG C of mold temperature.
High thermal conductivity acrylonitrile-styrene-polyphenylene sulfide copolymer of motor housing prepared by inventive formulation, has
Following characteristics:
Dielectric constant >=30kv/mm, thermal coefficient >=1.5W/m*k, impact strength >=35kJ/m2；Superior performance, it is at low cost
It is honest and clean, it is easy to process, have good market application prospect.
Specific embodiment:
Below with reference to practical embodiments, the present invention is described in detail, following embodiments will be helpful to those skilled in the art into
One step understands the present invention, but the invention is not limited in any way, to those skilled in the art, is not departing from this
Under the premise of inventive concept, various modifications and improvements can be made, and these are all within the scope of protection of the present invention.
Embodiment 1:
A kind of high thermal conductivity acrylonitrile-styrene-polyphenylene sulfide copolymer of motor housing and preparation method thereof:
45 parts of polyacrylonitrile-styrene copolymer
15 parts of polyphenylene sulfide
25 parts of modified aluminas
9 parts of ABS high glue powder
3 parts of KH-560
0.5 part of polyethylene wax
1.5 parts of antioxidant 1010
BEO and Sb2O3(1:1) 1 part
Preparation method is as follows:
(1) polyacrylonitrile-styrene copolymer, polyphenylene sulfide are dried into 6h under 120 DEG C of vacuum environment；
(2) raw material are added in high-speed mixer and are pre-mixed with auxiliary agent；
(3) raw material mixed imported in double screw extruder and carries out 200 DEG C of plasticizings, squeezed out and is granulated；
(4) by gained pellet import injection molding machine, 200 DEG C of injection molding machine melting temperature, injection pressure 10kg, motor housing mold at
Type, obtains product by 100 DEG C of mold temperature.
Embodiment 2:
A kind of high thermal conductivity acrylonitrile-styrene-polyphenylene sulfide copolymer of motor housing and preparation method thereof:
60 parts of polyacrylonitrile-styrene copolymer
20 parts of polyphenylene sulfide
10 parts of short glass fiber
5 parts of EBA
3 parts of KH-570
1 part of calcium stearate
1,098 0.5 parts of antioxidant
BEO and Sb2O3(2:1) 0.5 part
Preparation method is as follows:
(1) polyacrylonitrile-styrene copolymer, polyphenylene sulfide are dried into 6h under 120 DEG C of vacuum environment；
(2) raw material are added in high-speed mixer and are pre-mixed with auxiliary agent；
(3) raw material mixed imported in double screw extruder and carries out 220 DEG C of plasticizings, squeezed out and is granulated；
(4) by gained pellet import injection molding machine, 220 DEG C of injection molding machine melting temperature, injection pressure 12kg, motor housing mold at
Type, obtains product by 110 DEG C of mold temperature.
Embodiment 3:
A kind of high thermal conductivity acrylonitrile-styrene-polyphenylene sulfide copolymer of motor housing and preparation method thereof:
30 parts of polyacrylonitrile-styrene copolymer
30 parts of polyphenylene sulfide
25 parts of boron nitride
10 parts of maleic anhydride-polyethylene polymer
2.7 parts of KH-550
1.5 parts of stearic acid
1,098 1 parts of antioxidant
BEO and Sb2O3(4:1) 0.3 part
Preparation method is as follows:
(1) polyacrylonitrile-styrene copolymer, polyphenylene sulfide are dried into 6h under 120 DEG C of vacuum environment；
(2) raw material are added in high-speed mixer and are pre-mixed with auxiliary agent；
(3) raw material mixed imported in double screw extruder and carries out 230 DEG C of plasticizings, squeezed out and is granulated；
(4) gained pellet being imported into injection molding machine, 230 DEG C of injection molding machine melting temperature, injection pressure 8kg, motor housing mold forms,
120 DEG C of mold temperature, obtain product.
Claims (13)
1. high thermal conductivity acrylonitrile-styrene-polyphenylene sulfide copolymer of a kind of motor housing and preparation method thereof, feature exists
It is formed in the material of following weight percent:
30-60 parts of polyacrylonitrile-styrene copolymer
10-30 parts of polyphenylene sulfide
10-40 parts of thermal conducting agent
3-15 parts of toughener
0.5-5 parts of coupling agent
0.2-1 parts of lubricant
0.2-2 parts of antioxidant
0.2-1 parts of fire retardant.
2. polyacrylonitrile-styrene copolymer according to claim 1, wherein styrene-content are as follows: 30-50%.
3. polyphenylene sulfide according to claim 1 is amorphous state (crystallinity < 5%).
4. thermal conducting agent according to claim 1 are as follows: KH-560(γ-glycidyl ether oxygen propyl trimethoxy silicane)
The one or more of modified aluminas, glass fibre, aluminium nitride, boron nitride.
5. thermal conducting agent according to claim 4 is the state that irregular particle is blended with whisker, wherein irregular particle
With whisker ratio are as follows: (15-25): 1；Boron nitride is hexagonal boron nitride.
6. toughener according to claim 1 are as follows: methyl methacrylate-styrene-butadiene polymer, maleic acid
Acid anhydride-polyethylene polymer, ABS high glue powder, ethylene butyl acrylate copolymer (EBA) one or more.
7. coupling agent according to claim 1 are as follows: γ-glycidyl ether oxygen propyl trimethoxy silicane (KH-560),
3- triethoxysilyl -1- propylamine gamma-aminopropyl-triethoxy-silane (KH-550), γ-(methacryloxypropyl) propyl
Trimethoxy silane (KH-570), the one or more of tetra isopropyl two (dioctyl phosphite) titanate esters (NDZ-401).
8. lubricant according to claim 1 are as follows: paraffin, polyethylene wax, calcium stearate, aluminum stearate, stearic acid etc.
One or more.
9. antioxidant according to claim 1 are as follows: antioxidant 1010 (four [β-(3,5- di-t-butyl -4- hydroxyls
Phenyl) propionic acid] pentaerythritol ester), antioxidant 1076(3- (3,5- di-tert-butyl-hydroxy phenyl) propionic acid n-octadecane alcohol
Ester), antioxidant 176(phosphorous acid three (2,4- di-tert-butyl) ester), antioxidant 1098(N, N'- be bis--(3- (bis- uncle of 35-
Butyl -4- hydroxy phenyl) propiono) hexamethylene diamine) and etc. one or more.
10. fire retardant according to claim 1 are as follows: butynediols diethoxy ether (BEO) and antimony oxide
(Sb2O3) compounding, wherein BEO and Sb2O3Ratio be (5-0.5): 1.
11. high thermal conductivity acrylonitrile-styrene-polyphenylene sulfide copolymer of a kind of motor housing and preparation method thereof, technique
Following steps should be met:
Polyacrylonitrile-styrene copolymer, polyphenylene sulfide are dried into 6h under 120 DEG C of vacuum environment；
Raw material are added in high-speed mixer and are pre-mixed with auxiliary agent；
The raw material mixed are imported in double screw extruder and is plasticized, squeezed out and is granulated；
Gained pellet is formed by injection molding machine, motor housing mold, obtains product.
12. being 180-240 DEG C according to double screw extruder plasticization temperature described in claims 11.
13. according to 180-240 DEG C of injection molding machine melting temperature described in claims 11, injection pressure 8-16kg, mold temperature
60-120℃。
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711360752.9A CN109929205A (en) | 2017-12-18 | 2017-12-18 | A kind of high thermal conductivity acrylonitrile-styrene-polyphenylene sulfide copolymer of motor housing and preparation method thereof |
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| CN201711360752.9A CN109929205A (en) | 2017-12-18 | 2017-12-18 | A kind of high thermal conductivity acrylonitrile-styrene-polyphenylene sulfide copolymer of motor housing and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113320818A (en) * | 2020-11-17 | 2021-08-31 | 温州新田包装有限公司 | Anti-static barrel and lining process thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107257825A (en) * | 2014-12-24 | 2017-10-17 | 莫门蒂夫性能材料股份有限公司 | Heat-conducting plastic composition, the extrusion device for manufacturing heat-conducting plastic and method |
-
2017
- 2017-12-18 CN CN201711360752.9A patent/CN109929205A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107257825A (en) * | 2014-12-24 | 2017-10-17 | 莫门蒂夫性能材料股份有限公司 | Heat-conducting plastic composition, the extrusion device for manufacturing heat-conducting plastic and method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113320818A (en) * | 2020-11-17 | 2021-08-31 | 温州新田包装有限公司 | Anti-static barrel and lining process thereof |
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Application publication date: 20190625 |