CN105199389B - A kind of polymeric barrier material and preparation method thereof - Google Patents
A kind of polymeric barrier material and preparation method thereof Download PDFInfo
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- CN105199389B CN105199389B CN201510654964.2A CN201510654964A CN105199389B CN 105199389 B CN105199389 B CN 105199389B CN 201510654964 A CN201510654964 A CN 201510654964A CN 105199389 B CN105199389 B CN 105199389B
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Abstract
The invention discloses a kind of polymeric barrier material and preparation method thereof, the polymeric barrier material, is made up of, is calculated by weight as following raw material：30 ~ 52 parts of polyphenylene sulfide, 20 ~ 40 parts of polyethylene, 5 ~ 11 parts of graphene oxide, 4 ~ 12 parts of carbon fiber, 3 ~ 16 parts of dolomite, 2 ~ 11 parts of boron nitride, 3 ~ 10 parts of maleic anhydride grafted polyethylene, 1 ~ 5 part of POE, 0.5mol/L 1 ~ 5 part of 1 ~ 4 part of 6 ~ 20 parts of 18 ~ 30 parts of nitric acid, hydrazine hydrate, antioxidant, coupling agent and appropriate dichloroethanes.Polymeric barrier material prepared by the present invention is in light weight, preparation technology is simple, and shield effectiveness value of the shielding material obtained in the range of 30 1500MHz is 65 ~ 88dB, and shielding properties is good, can widen the application of the shielding material.
Description
Technical field
The invention belongs to shielding material field, more particularly to a kind of polymeric barrier material and preparation method thereof.
Background technology
With the fast development of information electronic technology, the electromagnetic wave pair as caused by electronic equipment, electric wire, motor etc.
The influence of surrounding devices, signal also increasingly attracts attention and paid attention to.Therefore, for the normal operation of protection equipment, usually need
Electromagnetic wave is effectively shielded.
Shielding is to utilize shield（Material with particular characteristic）Prevention or the transmission channel of decay electromagnetic interference energy,
So as to suppression electromagnetic interference.Shielding can limit the electromagnetic energy leakage of internal radiation, can prevent external radiation interference again
Into.Energy, reflected energy and supported because shielding material involves the electromagnetic interference from outside internal electromagnetic wave and plays to absorb
The effect of energy dissipating amount, therefore it has the function of weakening interference.However, shielding material used at present is mostly metal class material
Material, but not only processing and forming is difficult for metal type shielding material, and weight weight, limit it and be more widely applied.
The content of the invention
Technical problems to be solved are：Processing technology is simple in order to prepare, shielding material in light weight, there is provided one kind polymerization
Thing shielding material and preparation method thereof.
Technical scheme：In order to solve the above problems, the invention provides a kind of polymeric barrier material, by following raw material group
Into being calculated by weight as：30 ~ 52 parts of polyphenylene sulfide, 20 ~ 40 parts of polyethylene, 5 ~ 11 parts of graphene oxide, carbon fiber 4 ~ 12
Part, 3 ~ 16 parts of dolomite, 2 ~ 11 parts of boron nitride, 3 ~ 10 parts of maleic anhydride grafted polyethylene, 1 ~ 5 part of POE, 0.5mol/L nitre
18 ~ 30 parts of acid, 6 ~ 20 parts of hydrazine hydrate, 1 ~ 4 part of antioxidant, 1 ~ 5 part of coupling agent and appropriate dichloroethanes.
Preferably, a kind of polymeric barrier material, it is made up of, is calculated by weight as following raw material：Polyphenylene sulfide 30 ~ 47
Part, 20 ~ 35 parts of polyethylene, 5 ~ 9 parts of graphene oxide, 6 ~ 12 parts of carbon fiber, 3 ~ 14 parts of dolomite, 5 ~ 11 parts of boron nitride, Malaysia
5 ~ 10 parts of anhydride grafted lldpe, 3 ~ 5 parts of POE, 0.5mol/L 8 ~ 20 parts of 18 ~ 26 parts of nitric acid, hydrazine hydrate, antioxidant 2 ~ 4
Part, 1 ~ 5 part of coupling agent and appropriate dichloroethanes.
Further, it is preferred that a kind of polymeric barrier material, be made up of, be calculated by weight as following raw material：Polyphenylene sulfide
44 parts of ether, 27 parts of polyethylene, 6 parts of graphene oxide, 11 parts of carbon fiber, 8 parts of dolomite, 7 parts of boron nitride, maleic anhydride grafting are poly-
7 parts of ethene, 3 parts of POE, 0.5mol/L 2 parts of 2 parts of 15 parts of 24 parts of nitric acid, hydrazine hydrate, antioxidant, coupling agent and appropriate dichloro
Ethane.
Preferably, the antioxidant is antioxidant 1010 or antioxidant 1076.
Preferably, the coupling agent is KH560.
A kind of preparation method of polymeric barrier material, comprises the following steps：
1）Weigh each raw material；
2）Carbon fiber in raw material and graphite oxide are placed in the solution of 0.5mol/L nitric acid, 2 ~ 5h of ultrasonic disperse,
It is filtered, washed and dried, it is standby；
3）By 2）In treated chopped fiber and graphite oxide be placed in dichloroethanes, add hydrazine hydrate, be warming up to
110 DEG C of stirrings, after stirring 3 ~ 6h, after being cooled to 40 ~ 60 DEG C, continuously add dolomite and boron nitride, stir, after drying,
Obtain mixed-powder；
4）Mixed-powder, polyphenylene sulfide, polyethylene, maleic anhydride grafted polyethylene, POE, antioxidant and coupling agent are mixed
After closing uniformly, it is added in double screw extruder, extruding pelletization, obtains polymeric barrier material.
Preferably, the step 4）Condition in middle double screw extruder is：The design temperature of regional is：Firstth area
Domain is 190 DEG C, and second area is 220 DEG C, and the 3rd region is 240 DEG C, and the 4th region is 210 DEG C, and the 5th region is 190 DEG C；Squeeze
Go out temperature for 180 DEG C, extrusion rotating speed is 300r/min.
The invention has the advantages that：Polymeric barrier material prepared by the present invention is in light weight, preparation technology is simple
It is single, and shield effectiveness value of the shielding material obtained in the range of 30-1500MHz is 65 ~ 88dB, and shielding properties is good,
The application of the shielding material can be widened.
Embodiment
For a further understanding of the present invention, invention preferred embodiment is described with reference to embodiment, but should
Work as understanding, these descriptions are simply further explanation the features and advantages of the present invention, rather than the limit to the claims in the present invention
System.
Embodiment 1
A kind of preparation method of polymeric barrier material, comprises the following steps：
1）Weigh each raw material：It is calculated by weight as：30 parts of polyphenylene sulfide, 20 parts of polyethylene, 5 parts of graphene oxide, carbon
4 parts of fiber, 3 parts of dolomite, 2 parts of boron nitride, 3 parts of maleic anhydride grafted polyethylene, 1 part of POE, 0.5mol/L 18 parts of nitric acid,
6 parts of hydrazine hydrate, 1 part of antioxidant, 1 part of coupling agent and appropriate dichloroethanes；
2）Carbon fiber in raw material and graphite oxide are placed in the solution of 0.5mol/L nitric acid, ultrasonic disperse 2h, mistake
Filter, wash and dry, it is standby；
3）By 2）In treated chopped fiber and graphite oxide be placed in dichloroethanes, add hydrazine hydrate, be warming up to
110 DEG C of stirrings, after stirring 3h, after being cooled to 40 DEG C, continuously add dolomite and boron nitride, stir, and after drying, are mixed
Close powder；
4）Mixed-powder, polyphenylene sulfide, polyethylene, maleic anhydride grafted polyethylene, POE, antioxidant and coupling agent are mixed
After closing uniformly, it is added in double screw extruder, extrusion condition is：The design temperature of regional is：First area is 190
DEG C, second area is 220 DEG C, and the 3rd region is 240 DEG C, and the 4th region is 210 DEG C, and the 5th region is 190 DEG C；Extrusion temperature is
180 DEG C, extrusion rotating speed is 300r/min；Extruding pelletization, obtain polymeric barrier material.
It is to prepared shielding material, test condition in room temperature test：In NA7300A vector network analyzers and DR-
In S01 flange coaxial fixtures, the shield effectiveness in the range of 30-1500MHz, test result is：Shield effectiveness value is 65dB.
Embodiment 2
A kind of preparation method of polymeric barrier material, comprises the following steps：
1）Weigh each raw material：It is calculated by weight as：52 parts of polyphenylene sulfide, 40 parts of polyethylene, 11 parts of graphene oxide, carbon
12 parts of fiber, 16 parts of dolomite, 11 parts of boron nitride, 10 parts of maleic anhydride grafted polyethylene, POE5 parts, 0.5mol/L nitric acid 30
Part, 20 parts of hydrazine hydrate, 4 parts of antioxidant, 5 parts of coupling agent and appropriate dichloroethanes；
2）Carbon fiber in raw material and graphite oxide are placed in the solution of 0.5mol/L nitric acid, ultrasonic disperse 5h, mistake
Filter, wash and dry, it is standby；
3）By 2）In treated chopped fiber and graphite oxide be placed in dichloroethanes, add hydrazine hydrate, be warming up to
110 DEG C of stirrings, after stirring 6h, after being cooled to 60 DEG C, continuously add dolomite and boron nitride, stir, and after drying, are mixed
Close powder；
4）Mixed-powder, polyphenylene sulfide, polyethylene, maleic anhydride grafted polyethylene, POE, antioxidant and coupling agent are mixed
After closing uniformly, it is added in double screw extruder, extrusion condition is：The design temperature of regional is：First area is 190
DEG C, second area is 220 DEG C, and the 3rd region is 240 DEG C, and the 4th region is 210 DEG C, and the 5th region is 190 DEG C；Extrusion temperature is
180 DEG C, extrusion rotating speed is 300r/min；Extruding pelletization, obtain polymeric barrier material.
It is to prepared shielding material, test condition in room temperature test：In NA7300A vector network analyzers and DR-
In S01 flange coaxial fixtures, the shield effectiveness in the range of 30-1500MHz, test result is：Shield effectiveness value is 76dB.
Embodiment 3
A kind of preparation method of polymeric barrier material, comprises the following steps：
1）Weigh each raw material：It is calculated by weight as：41 parts of polyphenylene sulfide, 30 parts of polyethylene, 8 parts of graphene oxide, carbon
8 parts of fiber, 10 parts of dolomite, 6 parts of boron nitride, 7 parts of maleic anhydride grafted polyethylene, 3 parts of POE, 0.5mol/L nitric acid 24
Part, 13 parts of hydrazine hydrate, 2 parts of antioxidant, 3 parts of coupling agent and appropriate dichloroethanes；
2）Carbon fiber in raw material and graphite oxide are placed in the solution of 0.5mol/L nitric acid, ultrasonic disperse 3h, mistake
Filter, wash and dry, it is standby；
3）By 2）In treated chopped fiber and graphite oxide be placed in dichloroethanes, add hydrazine hydrate, be warming up to
110 DEG C of stirrings, after stirring 4h, after being cooled to 50 DEG C, continuously add dolomite and boron nitride, stir, and after drying, are mixed
Close powder；
4）Mixed-powder, polyphenylene sulfide, polyethylene, maleic anhydride grafted polyethylene, POE, antioxidant and coupling agent are mixed
After closing uniformly, it is added in double screw extruder, extrusion condition is：The design temperature of regional is：First area is 190
DEG C, second area is 220 DEG C, and the 3rd region is 240 DEG C, and the 4th region is 210 DEG C, and the 5th region is 190 DEG C；Extrusion temperature is
180 DEG C, extrusion rotating speed is 300r/min；Extruding pelletization, obtain polymeric barrier material.
It is to prepared shielding material, test condition in room temperature test：In NA7300A vector network analyzers and DR-
In S01 flange coaxial fixtures, the shield effectiveness in the range of 30-1500MHz, test result is：Shield effectiveness value is 79dB.
Embodiment 4
A kind of preparation method of polymeric barrier material, comprises the following steps：
1）Weigh each raw material：It is calculated by weight as：47 parts of polyphenylene sulfide, 35 parts of polyethylene, 9 parts of graphene oxide, carbon
6 parts of fiber, 14 parts of dolomite, 5 parts of boron nitride, 5 parts of maleic anhydride grafted polyethylene, 3 parts of POE, 0.5mol/L nitric acid 26
Part, 8 parts of hydrazine hydrate, 2 parts of antioxidant, 1 part of coupling agent and appropriate dichloroethanes；
2）Carbon fiber in raw material and graphite oxide are placed in the solution of 0.5mol/L nitric acid, ultrasonic disperse 5h, mistake
Filter, wash and dry, it is standby；
3）By 2）In treated chopped fiber and graphite oxide be placed in dichloroethanes, add hydrazine hydrate, be warming up to
110 DEG C of stirrings, after stirring 5h, after being cooled to 60 DEG C, continuously add dolomite and boron nitride, stir, and after drying, are mixed
Close powder；
4）Mixed-powder, polyphenylene sulfide, polyethylene, maleic anhydride grafted polyethylene, POE, antioxidant and coupling agent are mixed
After closing uniformly, it is added in double screw extruder, extrusion condition is：The design temperature of regional is：First area is 190
DEG C, second area is 220 DEG C, and the 3rd region is 240 DEG C, and the 4th region is 210 DEG C, and the 5th region is 190 DEG C；Extrusion temperature is
180 DEG C, extrusion rotating speed is 300r/min；Extruding pelletization, obtain polymeric barrier material.
It is to prepared shielding material, test condition in room temperature test：In NA7300A vector network analyzers and DR-
In S01 flange coaxial fixtures, the shield effectiveness in the range of 30-1500MHz, test result is：Shield effectiveness value is 83dB.
Embodiment 5
A kind of preparation method of polymeric barrier material, comprises the following steps：
1）Weigh each raw material：It is calculated by weight as：44 parts of polyphenylene sulfide, 27 parts of polyethylene, 6 parts of graphene oxide, carbon
11 parts of fiber, 8 parts of dolomite, 7 parts of boron nitride, 7 parts of maleic anhydride grafted polyethylene, 3 parts of POE, 0.5mol/L nitric acid 24
Part, 15 parts of hydrazine hydrate, 2 parts of antioxidant, 2 parts of coupling agent and appropriate dichloroethanes；
2）Carbon fiber in raw material and graphite oxide are placed in the solution of 0.5mol/L nitric acid, ultrasonic disperse 4h, mistake
Filter, wash and dry, it is standby；
3）By 2）In treated chopped fiber and graphite oxide be placed in dichloroethanes, add hydrazine hydrate, be warming up to
110 DEG C of stirrings, after stirring 4h, after being cooled to 60 DEG C, continuously add dolomite and boron nitride, stir, and after drying, are mixed
Close powder；
4）Mixed-powder, polyphenylene sulfide, polyethylene, maleic anhydride grafted polyethylene, POE, antioxidant and coupling agent are mixed
After closing uniformly, it is added in double screw extruder, extrusion condition is：The design temperature of regional is：First area is 190
DEG C, second area is 220 DEG C, and the 3rd region is 240 DEG C, and the 4th region is 210 DEG C, and the 5th region is 190 DEG C；Extrusion temperature is
180 DEG C, extrusion rotating speed is 300r/min；Extruding pelletization, obtain polymeric barrier material.
It is to prepared shielding material, test condition in room temperature test：In NA7300A vector network analyzers and DR-
In S01 flange coaxial fixtures, the shield effectiveness in the range of 30-1500MHz, test result is：Shield effectiveness value is 88dB.
Claims (7)
1. a kind of polymeric barrier material, it is characterised in that be made up of, be calculated by weight as following raw material：Polyphenylene sulfide 30 ~
52 parts, 20 ~ 40 parts of polyethylene, 5 ~ 11 parts of graphene oxide, 4 ~ 12 parts of carbon fiber, 3 ~ 16 parts of dolomite, 2 ~ 11 parts of boron nitride, horse
Maleic anhydride grafted 3 ~ 10 parts of polyethylene, POE1 ~ 5 part, 0.5mol/L 6 ~ 20 parts of 18 ~ 30 parts of nitric acid, hydrazine hydrate, antioxidant 1 ~ 4
Part, 1 ~ 5 part of coupling agent and appropriate dichloroethanes；
A kind of preparation method of described polymeric barrier material, comprises the following steps：
1）Weigh each raw material；
2）Carbon fiber in raw material and graphite oxide are placed in the solution of 0.5mol/L nitric acid, 2 ~ 5h of ultrasonic disperse, filtering,
Wash and dry, it is standby；
3）By 2）In treated chopped fiber and graphite oxide be placed in dichloroethanes, add hydrazine hydrate, be warming up to 110 DEG C
Stirring, after stirring 3 ~ 6h, after being cooled to 40 ~ 60 DEG C, dolomite and boron nitride are continuously added, is stirred, after drying, mixed
Close powder；
4）Mixed-powder, polyphenylene sulfide, polyethylene, maleic anhydride grafted polyethylene, POE, antioxidant and coupling agent are mixed equal
After even, it is added in double screw extruder, extruding pelletization, obtains polymeric barrier material.
2. a kind of polymeric barrier material as claimed in claim 1, it is characterised in that be made up of following raw material, by weight
Number is calculated as：30 ~ 47 parts of polyphenylene sulfide, 20 ~ 35 parts of polyethylene, 5 ~ 9 parts of graphene oxide, 6 ~ 12 parts of carbon fiber, dolomite 3 ~ 14
Part, 5 ~ 11 parts of boron nitride, 5 ~ 10 parts of maleic anhydride grafted polyethylene, POE3 ~ 5 part, 0.5mol/L 18 ~ 26 parts of nitric acid, hydration
8 ~ 20 parts of hydrazine, 2 ~ 4 parts of antioxidant, 1 ~ 5 part of coupling agent and appropriate dichloroethanes.
3. a kind of polymeric barrier material as claimed in claim 1, it is characterised in that be made up of following raw material, by weight
Number is calculated as：44 parts of polyphenylene sulfide, 27 parts of polyethylene, 6 parts of graphene oxide, 11 parts of carbon fiber, 8 parts of dolomite, 7 parts of boron nitride,
7 parts of maleic anhydride grafted polyethylene, POE3 parts, 0.5mol/L 2 parts of 15 parts of 24 parts of nitric acid, hydrazine hydrate, antioxidant, coupling agent 2
Part and appropriate dichloroethanes.
A kind of 4. polymeric barrier material as claimed in claim 1, it is characterised in that the antioxidant be antioxidant 1010 or
Antioxidant 1076.
5. a kind of polymeric barrier material as claimed in claim 1, it is characterised in that the coupling agent is KH560.
A kind of a kind of 6. preparation method of polymeric barrier material as described in any one of claim 1 ~ 5, it is characterised in that bag
Include following steps：
1）Weigh each raw material；
2）Carbon fiber in raw material and graphite oxide are placed in the solution of 0.5mol/L nitric acid, 2 ~ 5h of ultrasonic disperse, filtering,
Wash and dry, it is standby；
3）By 2）In treated chopped fiber and graphite oxide be placed in dichloroethanes, add hydrazine hydrate, be warming up to 110 DEG C
Stirring, after stirring 3 ~ 6h, after being cooled to 40 ~ 60 DEG C, dolomite and boron nitride are continuously added, is stirred, after drying, mixed
Close powder；
4）Mixed-powder, polyphenylene sulfide, polyethylene, maleic anhydride grafted polyethylene, POE, antioxidant and coupling agent are mixed equal
After even, it is added in double screw extruder, extruding pelletization, obtains polymeric barrier material.
A kind of 7. preparation method of polymeric barrier material as claimed in claim 6, it is characterised in that the step 4）In it is double
Condition in screw extruder is：The design temperature of regional is：First area is 190 DEG C, and second area is 220 DEG C, the
Three regions are 240 DEG C, and the 4th region is 210 DEG C, and the 5th region is 190 DEG C；Extrusion temperature is 180 DEG C, and extrusion rotating speed is 300r/
min。
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| CN112793269B (en) * | 2020-12-30 | 2022-11-01 | 中国科学院长春应用化学研究所 | Electromagnetic shielding composite material with multilayer structure and preparation method and application thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104004355A (en) * | 2013-02-27 | 2014-08-27 | 第一毛织株式会社 | Thermoplastic resin composition with EMI shielding properties |
| CN104356600A (en) * | 2014-11-24 | 2015-02-18 | 嘉兴学院 | Carbon fiber composite material with high interlayer shearing performance and preparation method of carbon fiber composite material |
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| KR101022035B1 (en) * | 2008-09-18 | 2011-03-16 | 에스케이씨 주식회사 | Highly Anti-Glare effect membrane using composition of conductive polymers |
| CN101701083A (en) * | 2009-11-03 | 2010-05-05 | 苏州市科创聚合物有限公司 | Electromagnetic shielding polyethylene material and preparation process thereof |
| CN101875784A (en) * | 2010-06-03 | 2010-11-03 | 佛山市顺德区高怡新塑料有限公司 | Electromagnetic shielding polymeric material |
| CN104419107B (en) * | 2013-08-29 | 2018-04-10 | 合肥杰事杰新材料股份有限公司 | A kind of polymer matrix electromagnetic shielding material based on carbon fiber and graphene and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104004355A (en) * | 2013-02-27 | 2014-08-27 | 第一毛织株式会社 | Thermoplastic resin composition with EMI shielding properties |
| CN104356600A (en) * | 2014-11-24 | 2015-02-18 | 嘉兴学院 | Carbon fiber composite material with high interlayer shearing performance and preparation method of carbon fiber composite material |
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