CN101875784A - Electromagnetic shielding polymeric material - Google Patents
Electromagnetic shielding polymeric material Download PDFInfo
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- CN101875784A CN101875784A CN 201010194957 CN201010194957A CN101875784A CN 101875784 A CN101875784 A CN 101875784A CN 201010194957 CN201010194957 CN 201010194957 CN 201010194957 A CN201010194957 A CN 201010194957A CN 101875784 A CN101875784 A CN 101875784A
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Abstract
The invention discloses an electromagnetic shielding polymeric material which comprises the following raw materials in portions by weight: 100 portions of polyphenyl thioether, 60-150 portions of polyamide electromagnetic shielding master batch, 20-120 portions of electromagnetic shielding accessory ingredient, 0.2-0.6 portion of antioxidant, 0.4-2 portions of coupling agent and 0.5-3 portions of processing accessory ingredient. The electromagnetic shielding polymeric material of the invention has the advantages of favorable electromagnetic shielding effect, high mechanical strength, good toughness, temperature resistance and easy injection molding.
Description
Technical field
The present invention relates to a kind of functional polyalkylene condensation material, particularly a kind of electromagnetic shielding polymeric material.
Background technology
Along with the high speed development of science and technology and electronic industry, various electronic and electrical equipments are able to a large amount of uses.Hertzian wave can cause problems such as electromagnetic interference and electromagnetism be incompatible, not only electronic machine, equipment is caused and disturbs and damage, and influences its works better, and pollutes the environment, harm humans health.The also safety of entail dangers to national information safety and military vital strategic secrets of electromagnetic-wave leakage simultaneously.
Tradition pure metal electromagnetic screen, effectiveness is good, but is difficult to processing or is shaped to finished pieces with complex shapes, and metal itself exists chemical resistance relatively poor, and than shortcoming such as great, use range is limited, and it can't satisfy some special occasions requirements.
Plastics have the processing of being easy to, moulding, advantages such as resistance to chemical attack, light specific gravity, but the effectiveness of plastics is relatively poor.Improve the electromagnetic shielding novel high polymer matrix material that its electromagnetic shielding mainly adopts conduction and magnetic fillers disperses the blend composite algorithm to prepare, but since the filling ratio height, bad dispersibility, and material produce processing difficulties and material physical property are relatively poor.
Reality has proposed requirements at the higher level to electromagnetic shielding material, characteristics such as except that electromagnetic shielding, also need to have easy processing, resistance to chemical attack, high temperature resistant, antifatigue, chemical stability are good.
Summary of the invention
The object of the present invention is to provide a kind of novel electromagnetic shielding polymeric material.
The technical solution used in the present invention is:
A kind of electromagnetic shielding polymeric material, its raw material comprise following weight part: 100 parts of polyphenylene sulfides, 60～150 parts of polyamide electromagnetic shielding master batches, 20～120 parts of electromagnetic shielding auxiliary agents, 0.2～2 part in oxidation inhibitor, 0.4～2 part of coupling agent.
The electromagnetic shielding auxiliary agent is preferably and short cuts the nickel plating Stainless Steel Fibre, the hollow glass micropearl of aluminizing, metal powder, chopped carbon fiber, carbon fiber powder.
Oxidation inhibitor is preferably hindered phenol antioxygen, phenolic antioxidant, phosphite antioxidant, metal passivator.
Coupling agent is preferably titanate coupling agent, and titanate coupling agent is preferably chelating type tetra-sodium titanate coupling agent, tetra-sodium titanate coupling agent, corrdination type phosphorous acid titanate coupling agent.
Electromagnetic shielding polymeric material of the present invention has advantages of favorable electromagnetic shielding effect, and physical strength height, good toughness are high temperature resistant, are easy to injection moulding.
Embodiment
A kind of electromagnetic shielding polymeric material, its raw material comprise following weight part: 100 parts of polyphenylene sulfides, 60～150 parts of polyamide electromagnetic shielding master batches, 20～120 parts of electromagnetic shielding auxiliary agents, 0.2～2 part in oxidation inhibitor, 0.4～2 part of coupling agent.
The electromagnetic shielding auxiliary agent is preferably and short cuts the nickel plating Stainless Steel Fibre, the hollow glass micropearl of aluminizing, metal powder, chopped carbon fiber, carbon fiber powder.
Oxidation inhibitor is preferably hindered phenol antioxygen, phenolic antioxidant, phosphite antioxidant, metal passivator.
Coupling agent is preferably titanate coupling agent, and titanate coupling agent is preferably chelating type tetra-sodium titanate coupling agent, tetra-sodium titanate coupling agent, corrdination type phosphorous acid titanate coupling agent.
For being easy to processing, also be added with 0.5～3.0 part of processing aid, processing aid comprises pentaerythritol stearate PETS, silicone powder, anti-glass emergence on the surface agent TAF, calcium stearate, its function is well-known to those skilled in the art.
The preparation method of polyamide electromagnetic shielding master batch comprises:
1) weak point is cut the nickel plating Stainless Steel Fibre and is soaked 10～20imn with the titante coupling agent diluent after, take out the short nickel plating Stainless Steel Fibre drying of cutting;
2) polymeric amide, the weak point handled are cut the nickel plating Stainless Steel Fibre mixes with conventional auxiliary agent, extruding pelletization, obtained the polyamide electromagnetic shielding master batch.
In the polyamide electromagnetic shielding master batch, contain 40～75% weak point by weight and cut the nickel plating Stainless Steel Fibre, the short diameter of cutting the nickel plating Stainless Steel Fibre is 8～12 μ m, and length is 8～12mm.
Electromagnetic shielding polymeric material preparation method of the present invention is as follows:
Electromagnetic shielding auxiliary agent, coupling agent are mixed at 50～80 ℃, add polyphenylene sulfide, polyamide electromagnetic shielding master batch, oxidation inhibitor, processing aid then, mix, extrude at 270～310 ℃ by twin screw extruder.
The nickel plating Stainless Steel Fibre is carried out the polymeric amide coating earlier obtain the polyamide electromagnetic shielding master batch, and then master batch extruded through dual-screw-stem machine as raw materials such as raw material and polyphenylene sulfides, it is more stable to make material extrude production process, the nickel plating Stainless Steel Fibre disperses more even in the finished product, overall resistivity is stable, the effectiveness height.
Below in conjunction with embodiment, further specify the present invention.
In following examples, if no special instructions, per-cent all refers to mass percent.
Embodiment 1
Electromagnetic shielding polymeric material contains following weight part:
100 parts of polyphenylene sulfides;
100 parts of polyamide electromagnetic shielding master batches contain 66% weak point and cut the nickel plating Stainless Steel Fibre in the polyamide electromagnetic shielding master batch;
70 parts of electromagnetic shielding auxiliary agents are made up of the 400 orders hollow glass micropearl of aluminizing;
1.5 parts in oxidation inhibitor is made up of 1010,0.5 part of phenolic antioxidant 264 of 0.5 part of hindered phenol antioxygen (BHT), 0.5 part of phosphite antioxidant;
1.2 parts of titanate coupling agents, CS311 forms by chelating type tetra-sodium titanate coupling agent;
1.5 parts of processing aids are made up of 0.4 part of pentaerythritol stearate PETS, 0.3 part of silicone powder, 0.8 part of TAF.
Embodiment 2
Electromagnetic shielding polymeric material contains following weight part:
100 parts of polyphenylene sulfides;
90 parts of polyamide electromagnetic shielding master batches contain 75% weak point and cut the nickel plating Stainless Steel Fibre in the polyamide electromagnetic shielding master batch
80 parts of electromagnetic shielding auxiliary agents are made up of for 20 parts aluminize 60 parts of hollow glass micropearls, 400 order brass powders of 400 orders;
1 part in oxidation inhibitor, 2246,0.4 part of metal passivator MD1024 forms by 0.6 part of phenolic antioxidant;
0.8 part of titanate coupling agent is by 0.3 part of tetra-sodium titanate coupling agent CS-201,0.5 part of corrdination type phosphorous acid titanate coupling agent CS-401;
2 parts of processing aids are made up of 0.8 part of pentaerythritol stearate PETS, 0.8 part of silicone powder, 0.4 part of calcium stearate.
Embodiment 3
Electromagnetic shielding polymeric material contains following weight part:
100 parts of polyphenylene sulfides;
80 parts of polyamide electromagnetic shielding master batches contain 50% weak point and cut the nickel plating Stainless Steel Fibre in the polyamide electromagnetic shielding master batch;
120 parts of electromagnetic shielding auxiliary agents are made up of for 70 parts aluminize 50 parts of hollow glass micropearls, 400 order brass powders of 400 orders;
0.8 part in oxidation inhibitor is made up of 1098,0.5 part of phosphite antioxidant 168 of 0.3 part of hindered phenol antioxygen;
0.6 part of titanate coupling agent, CS-201 forms by the tetra-sodium titanate coupling agent;
3.0 parts of processing aids are made up of 1.0 parts of pentaerythritol stearate PETS, 0.8 part of silicone powder, 1.2 parts of TAF.
Embodiment 4
Electromagnetic shielding polymeric material contains following weight part:
100 parts of polyphenylene sulfides;
80 parts of polyamide electromagnetic shielding master batches contain 60% weak point and cut the nickel plating Stainless Steel Fibre in the polyamide electromagnetic shielding master batch;
90 parts of electromagnetic shielding auxiliary agents are by aluminize 70 parts of hollow glass micropearls of 400 orders, chopped carbon fiber, 20 parts of compositions;
0.6 part in oxidation inhibitor, by phosphite antioxidant 168, hindered phenol antioxygen 1010 each 0.3 part form;
0.6 part of titanate coupling agent, CS-401 forms by corrdination type phosphorous acid titanate coupling agent;
1.5 parts of processing aids are made up of 0.5 part of silicone powder, 1.0 parts of TAF.
Embodiment 5
Electromagnetic shielding polymeric material contains following weight part:
100 parts of polyphenylene sulfides;
100 parts of polyamide electromagnetic shielding master batches contain 40% weak point and cut the nickel plating Stainless Steel Fibre in the polyamide electromagnetic shielding master batch;
120 parts of electromagnetic shielding auxiliary agents are made up of for 60 parts aluminize 40 parts of hollow glass micropearls, 20 parts of chopped carbon fibers, 400 order brass powders of 400 orders;
1.5 parts in oxidation inhibitor is made up of 0.2 part of metal passivator MD1025,0.3 part of metal passivator OABH, 168,0.6 part of hindered phenol antioxygen 1010 of 0.4 part of phosphite antioxidant;
0.9 part of titanate coupling agent is made up of 0.6 part of chelating type tetra-sodium titanate coupling agent CS311,0.3 part of corrdination type phosphorous acid titanate coupling agent CS-401;
2 parts of processing aids are made up of 0.8 part of pentaerythritol stearate PETS, 0.7 part of anti-glass emergence on the surface agent TAF, 0.5 part of calcium stearate.
Embodiment 6
Electromagnetic shielding polymeric material contains following weight part:
100 parts of polyphenylene sulfides;
100 parts of polyamide electromagnetic shielding master batches contain 62% weak point and cut the nickel plating Stainless Steel Fibre in the polyamide electromagnetic shielding master batch;
115 parts of electromagnetic shielding auxiliary agents are made up of for 90 parts 25 parts of 400 order carbon fiber powders, 400 order brass powders;
2 parts in oxidation inhibitor is made up of 1098,0.8 part of phosphite antioxidant 168 of 1010,0.6 part of hindered phenol antioxygen of 0.6 part of hindered phenol antioxygen;
2 parts of titanate coupling agents are made up of 0.5 part of chelating type tetra-sodium titanate coupling agent CS311,0.8 part of tetra-sodium titanate coupling agent CS-201,0.7 part of corrdination type phosphorous acid titanate coupling agent CS-401;
1.5 parts of processing aids are made up of 0.4 part of pentaerythritol stearate PETS, 0.6 part of silicone powder, 0.3 part of anti-glass emergence on the surface agent TAF, 0.2 part of calcium stearate.
Embodiment 7
Electromagnetic shielding polymeric material contains following weight part:
100 parts of polyphenylene sulfides;
100 parts of polyamide electromagnetic shielding master batches contain 70% weak point and cut the nickel plating Stainless Steel Fibre in the polyamide electromagnetic shielding master batch;
80 parts of electromagnetic shielding auxiliary agents are made up of for 20 parts aluminize 50 parts of hollow glass micropearls, 10 parts of 1200 order electrically conductive graphites, 400 order brass powders of 400 orders;
1.6 parts in oxidation inhibitor, by 2246,0.8 part of phenolic antioxidant 264 of 0.4 part of phenolic antioxidant (BHT) form, 0.4 part of phosphite antioxidant 168;
0.8 part of titanate coupling agent is made up of 0.5 part of tetra-sodium titanate coupling agent CS-201,0.3 part of corrdination type phosphorous acid titanate coupling agent CS-401;
1.8 parts of processing aids are made up of 1.5 parts of silicone powder, 0.3 part of calcium stearate.
Performance Detection:
Tensile strength detects according to GB/T 1040 standards, and specimen types is the I type, batten size (mm): (170) length * (20 ± 0.2) end width * (4 ± 0.2) thickness, draw speed is 50mm/min.
Flexural strength and modulus in flexure detect according to GB/T 9341 standards, and specimen types is the I type, batten size (mm): (80 ± 2) * (10 ± 0.2) * (4 ± 0.2), rate of bending are 20mm/min.
Notched Izod impact strength detects according to GB/T 1043 standards, and specimen types is the I type, batten size (mm): (80 ± 2) * (10 ± 0.2) * (4 ± 0.2), breach type are the A type, and the breach residual thickness is 3.2mm.
The material effectiveness of shielding is tested according to the SJ20524-1995 standard.
Detected result is as follows:
As seen, electromagnetic shielding polymeric material of the present invention has advantages of favorable electromagnetic shielding effect, and physical strength height, good toughness are high temperature resistant, are easy to injection moulding.
Claims (6)
1. electromagnetic shielding polymeric material, its raw material comprise following weight part: 100 parts of polyphenylene sulfides, 60～150 parts of polyamide electromagnetic shielding master batches, 20～120 parts of electromagnetic shielding auxiliary agents, 0.2～2 part in oxidation inhibitor, 0.4～2 part of coupling agent.
2. electromagnetic shielding polymeric material according to claim 1 is characterized in that: the preparation method of polyamide electromagnetic shielding master batch comprises:
1) weak point is cut the nickel plating Stainless Steel Fibre and is soaked 10～20imn with the titante coupling agent diluent after, take out the short nickel plating Stainless Steel Fibre drying of cutting;
2) polymeric amide, the weak point handled are cut the nickel plating Stainless Steel Fibre mixes with conventional auxiliary agent, extruding pelletization, obtained the polyamide electromagnetic shielding master batch.
3. electromagnetic shielding polymeric material according to claim 1 is characterized in that: oxidation inhibitor comprises hindered phenol antioxygen, phenolic antioxidant, phosphite antioxidant, metal passivator.
4. electromagnetic shielding polymeric material according to claim 1 is characterized in that: the electromagnetic shielding auxiliary agent comprises the hollow glass micropearl of aluminizing, short nickel plating Stainless Steel Fibre, metal powder, chopped carbon fiber, the carbon fiber powder cut.
5. electromagnetic shielding polymeric material according to claim 1 is characterized in that: coupling agent is a titanate coupling agent.
6. electromagnetic shielding polymeric material according to claim 5 is characterized in that: titanate coupling agent comprises chelating type tetra-sodium titanate coupling agent, tetra-sodium titanate coupling agent, corrdination type phosphorous acid titanate coupling agent.
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| CN 201010194957 CN101875784A (en) | 2010-06-03 | 2010-06-03 | Electromagnetic shielding polymeric material |
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| CN 201010194957 CN101875784A (en) | 2010-06-03 | 2010-06-03 | Electromagnetic shielding polymeric material |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104262963A (en) * | 2014-09-17 | 2015-01-07 | 上海大学 | Polyphenylene sulfide/tungsten powder shielding composite material and preparation method thereof |
| CN104262965A (en) * | 2014-10-14 | 2015-01-07 | 广州市聚赛龙工程塑料有限公司 | PPS (polyphenylene sulfide) composite material and preparation method thereof |
| CN105199389A (en) * | 2015-10-12 | 2015-12-30 | 苏州宽温电子科技有限公司 | Polymer shielding material and preparation method thereof |
| CN106928708A (en) * | 2015-12-30 | 2017-07-07 | 上海杰事杰新材料(集团)股份有限公司 | A kind of lightweight electromagnetic shielding polyphenyl thioether material and preparation method thereof |
| CN107325461A (en) * | 2017-07-12 | 2017-11-07 | 合肥东恒锐电子科技有限公司 | A kind of anti-interference water-proof climate resisting data cable material and preparation method thereof |
| CN109111719A (en) * | 2017-06-26 | 2019-01-01 | 洛阳尖端技术研究院 | A kind of absorbing material and preparation method thereof |
| CN111849163A (en) * | 2020-07-30 | 2020-10-30 | 武汉理工大学 | High-performance polyphenylene sulfide/polyamide electromagnetic shielding composite material and preparation method thereof |
| CN114685926A (en) * | 2022-04-19 | 2022-07-01 | 安徽科居新材料科技有限公司 | ASA (acrylonitrile styrene acrylate) coated PVC (polyvinyl chloride) wood-plastic co-extruded section and preparation method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2009024070A (en) * | 2007-07-19 | 2009-02-05 | Tosoh Corp | Molded article, plated component and method for producing plated component |
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2010
- 2010-06-03 CN CN 201010194957 patent/CN101875784A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009024070A (en) * | 2007-07-19 | 2009-02-05 | Tosoh Corp | Molded article, plated component and method for producing plated component |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104262963A (en) * | 2014-09-17 | 2015-01-07 | 上海大学 | Polyphenylene sulfide/tungsten powder shielding composite material and preparation method thereof |
| CN104262965A (en) * | 2014-10-14 | 2015-01-07 | 广州市聚赛龙工程塑料有限公司 | PPS (polyphenylene sulfide) composite material and preparation method thereof |
| CN105199389A (en) * | 2015-10-12 | 2015-12-30 | 苏州宽温电子科技有限公司 | Polymer shielding material and preparation method thereof |
| CN106928708A (en) * | 2015-12-30 | 2017-07-07 | 上海杰事杰新材料(集团)股份有限公司 | A kind of lightweight electromagnetic shielding polyphenyl thioether material and preparation method thereof |
| CN109111719A (en) * | 2017-06-26 | 2019-01-01 | 洛阳尖端技术研究院 | A kind of absorbing material and preparation method thereof |
| CN109111719B (en) * | 2017-06-26 | 2022-12-13 | 洛阳尖端技术研究院 | Wave-absorbing material and preparation method thereof |
| CN107325461A (en) * | 2017-07-12 | 2017-11-07 | 合肥东恒锐电子科技有限公司 | A kind of anti-interference water-proof climate resisting data cable material and preparation method thereof |
| CN111849163A (en) * | 2020-07-30 | 2020-10-30 | 武汉理工大学 | High-performance polyphenylene sulfide/polyamide electromagnetic shielding composite material and preparation method thereof |
| CN114685926A (en) * | 2022-04-19 | 2022-07-01 | 安徽科居新材料科技有限公司 | ASA (acrylonitrile styrene acrylate) coated PVC (polyvinyl chloride) wood-plastic co-extruded section and preparation method thereof |
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Inventor after: Zeng Bin Inventor after: Zhu Guoliang Inventor before: Pi Zhengliang Inventor before: Zhang Jibin Inventor before: Zeng Bin Inventor before: Zhu Guoliang |
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Application publication date: 20101103 |