CN102702662B - Novel heat-conducting conductive elastomer material and preparation method thereof - Google Patents
Novel heat-conducting conductive elastomer material and preparation method thereof Download PDFInfo
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- CN102702662B CN102702662B CN2012100164125A CN201210016412A CN102702662B CN 102702662 B CN102702662 B CN 102702662B CN 2012100164125 A CN2012100164125 A CN 2012100164125A CN 201210016412 A CN201210016412 A CN 201210016412A CN 102702662 B CN102702662 B CN 102702662B
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- 229920001971 elastomer Polymers 0.000 title claims abstract description 39
- 239000000806 elastomer Substances 0.000 title claims abstract description 39
- 239000000463 material Substances 0.000 title claims abstract description 33
- 238000002360 preparation method Methods 0.000 title claims abstract description 9
- 239000000835 fiber Substances 0.000 claims abstract description 24
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 18
- 229920000098 polyolefin Polymers 0.000 claims abstract description 16
- 239000002480 mineral oil Substances 0.000 claims abstract description 13
- 235000010446 mineral oil Nutrition 0.000 claims abstract description 13
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000010439 graphite Substances 0.000 claims abstract description 9
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 9
- 239000003112 inhibitor Substances 0.000 claims description 21
- 230000003647 oxidation Effects 0.000 claims description 21
- 238000007254 oxidation reaction Methods 0.000 claims description 21
- 229910000831 Steel Inorganic materials 0.000 claims description 17
- 229910052802 copper Inorganic materials 0.000 claims description 17
- 239000010949 copper Substances 0.000 claims description 17
- 239000010959 steel Substances 0.000 claims description 17
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims description 15
- 239000002105 nanoparticle Substances 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 8
- -1 polyethylene Polymers 0.000 claims description 7
- 238000012545 processing Methods 0.000 claims description 7
- 239000002994 raw material Substances 0.000 claims description 7
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims description 6
- 238000005453 pelletization Methods 0.000 claims description 6
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 5
- 239000005977 Ethylene Substances 0.000 claims description 5
- 239000004743 Polypropylene Substances 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- 229920001935 styrene-ethylene-butadiene-styrene Polymers 0.000 claims description 4
- 229920001155 polypropylene Polymers 0.000 claims description 3
- 239000004698 Polyethylene Substances 0.000 claims description 2
- 229920000573 polyethylene Polymers 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 5
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical group C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 229910052751 metal Inorganic materials 0.000 abstract 1
- 229920000468 styrene butadiene styrene block copolymer Polymers 0.000 description 5
- 229920006124 polyolefin elastomer Polymers 0.000 description 4
- VSAWBBYYMBQKIK-UHFFFAOYSA-N 4-[[3,5-bis[(3,5-ditert-butyl-4-hydroxyphenyl)methyl]-2,4,6-trimethylphenyl]methyl]-2,6-ditert-butylphenol Chemical group CC1=C(CC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)C(C)=C(CC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)C(C)=C1CC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 VSAWBBYYMBQKIK-UHFFFAOYSA-N 0.000 description 2
- BGYHLZZASRKEJE-UHFFFAOYSA-N [3-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]-2,2-bis[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxymethyl]propyl] 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical group CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCC(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 BGYHLZZASRKEJE-UHFFFAOYSA-N 0.000 description 2
- FACXGONDLDSNOE-UHFFFAOYSA-N buta-1,3-diene;styrene Chemical compound C=CC=C.C=CC1=CC=CC=C1.C=CC1=CC=CC=C1 FACXGONDLDSNOE-UHFFFAOYSA-N 0.000 description 2
- OCKPCBLVNKHBMX-UHFFFAOYSA-N butylbenzene Chemical compound CCCCC1=CC=CC=C1 OCKPCBLVNKHBMX-UHFFFAOYSA-N 0.000 description 2
- 239000013536 elastomeric material Substances 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- PRWJPWSKLXYEPD-UHFFFAOYSA-N 4-[4,4-bis(5-tert-butyl-4-hydroxy-2-methylphenyl)butan-2-yl]-2-tert-butyl-5-methylphenol Chemical compound C=1C(C(C)(C)C)=C(O)C=C(C)C=1C(C)CC(C=1C(=CC(O)=C(C=1)C(C)(C)C)C)C1=CC(C(C)(C)C)=C(O)C=C1C PRWJPWSKLXYEPD-UHFFFAOYSA-N 0.000 description 1
- 229920002633 Kraton (polymer) Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229920001940 conductive polymer Polymers 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 102220040412 rs587778307 Human genes 0.000 description 1
- 229920006132 styrene block copolymer Polymers 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229920002725 thermoplastic elastomer Polymers 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/04—Particle-shaped
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92542—Energy, power, electric current or voltage
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/9258—Velocity
- B29C2948/9259—Angular velocity
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/92885—Screw or gear
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/92895—Barrel or housing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92952—Drive section, e.g. gearbox, motor or drive fluids
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Abstract
The invention discloses a heat-conducting conductive elastomer material and a preparation method thereof. The elastomer material is prepared from the following components in parts by weight: 10 to 50 parts of phenylethylene elastomer, 10 to 50 parts of mineral oil, 10 to 50 parts of polyolefin, 5 to 40 parts of metal fibers, 5 to 20 parts of nanometer copper powder, 1 to 5 part(s) of antioxygen and 5 to 40 parts of expanded graphite. Compared with the prior art, the heat-conducting conductive elastomer material provided by the invention has a better heat-conducting effect, and a thermal coefficient of the material can reach above 4W/m.K; and moreover, the material has the advantages of good electromagnetic shielding effect, heat conduction, electric conduction, softness and low hardness.
Description
Technical field
The invention belongs to polymeric material field, relate to a kind of Novel heat-conducting conductive elastomeric material and preparation method.
Background technology
Along with the development of electronic industry, electronic devices and components are towards intensity, and the high-performance aspect develops.More and more to producer to wish to allow electronic product accomplish thinner, lighter and handier.This has just formed the trend of product lightweight, slimming, miniaturization.This trend is had higher requirement to electronic product radiating.
The thermal conductivity of raising material improves significantly to the heat dispersion of goods.Existing thermal conductive polymer is more to the research in engineering plastics field, such as heat conduction PPS etc., but relatively less to the research of elastomeric heat conduction aspect.Patent report high thermal conductive silicon oxygen alkane elastomerics is arranged, and the elastomeric thermal conductivity of this class can reach 1.2W/mK, is clipped in the electronic component product with adherence state.
And the trend of lightweight, miniaturization, so that the more crypto set of arranging of components and parts in the electronic product also requires more next higher to the electromagnetic shielding of material.Only the material of the raising thermal conductivity by systems such as expanded graphites can't reach preferably effect aspect electromagnetic shielding.
Summary of the invention
The object of the present invention is to provide a kind of heat-conductivity conducting elastomer material.
Another object of the present invention is to provide a kind of preparation method of heat-conductivity conducting elastomer material.
Purpose of the present invention can be achieved through the following technical solutions:
A kind of heat-conductivity conducting elastomer material, it is characterized in that by weight, comprise following component: 5～40 parts of 10～50 parts of styrenic elastomer, 10～50 parts in mineral oil, 10～50 parts of polyolefine, 5～40 parts of steel fibers, 5～20 parts of copper nanoparticles, 1～5 part in oxidation inhibitor and expanded graphites.
Be preferably: 10～35 parts of 15～40 parts of styrenic elastomer, 15～40 parts in mineral oil, 15～40 parts of polyolefine, 10～30 parts of steel fibers, 5～15 parts of copper nanoparticles, 1～3 part in oxidation inhibitor and expanded graphites.
Further be preferably: 10～25 parts of 20～30 parts of styrenic elastomer, 20～30 parts in mineral oil, 15～25 parts of polyolefine, 10～20 parts of steel fibers, 5～10 parts of copper nanoparticles, 1～3 part in oxidation inhibitor and expanded graphites.
Above-mentioned heat-conductivity conducting elastomer material, it is that described styrenic elastomer is SBS elastomerics or SEBS elastomerics.SBS is styrene-butadiene-styrene (Styrene butadiene styrene) segmented copolymer, is called for short SBS, Chinese another name: butylbenzene thermoplastic rubber.SEBS is styrene-ethylene-butylene-styrene block copolymer.
Above-mentioned heat-conductivity conducting elastomer material, it is that described polyolefine comprises at least a among polyethylene, polypropylene and the POE (polyolefin elastomer).
Above-mentioned heat-conductivity conducting elastomer material, it is that described oxidation inhibitor is tetrahydric phenol oxidation inhibitor or trihydric phenol oxidation inhibitor.Described trihydric phenol oxidation inhibitor is antioxidant 330 or antioxidant CA; Described tetrahydric phenol oxidation inhibitor is antioxidant 1010.
Above-mentioned heat-conductivity conducting elastomer material, it is that described steel fiber comprises at least a in copper fiber and the aluminum fiber.
Above-mentioned heat-conductivity conducting elastomer material, it is to adopt the following methods preparation: (1) adds benzene feedstock ethylene elastomer claimed in claim 1, mineral oil, polyolefine, copper nanoparticle, oxidation inhibitor and expanded graphite in the high mixer in proportion, low speed mixing 3～10min; (2) with the raw material that mixes and steel fiber through the twin screw extruder extruding pelletization; The expressing technique condition is: 190～230 ℃ of processing temperatures, screw speed are 100～250rpm, and the main frame electric current is 15～28A (being at full capacity 30A).The raw material that mixes is added by the feeding hopper of twin screw extruder, and steel fiber is added by the side feeding bucket of twin screw extruder.
The preparation method of above-mentioned heat-conductivity conducting elastomer material, the method may further comprise the steps: (1) adds benzene feedstock ethylene elastomer claimed in claim 1, mineral oil, polyolefine, copper nanoparticle, oxidation inhibitor and expanded graphite in the high mixer in proportion, low speed mixing 3～10min; (2) with the raw material that mixes and steel fiber through the twin screw extruder extruding pelletization; The expressing technique condition is: 190～230 ℃ of processing temperatures, screw speed are 100～250rpm, and the main frame electric current is 15～28A (being at full capacity 30A).The raw material that mixes is added by the feeding hopper of twin screw extruder, and steel fiber is added by the side feeding bucket of twin screw extruder.
This heat-conductivity conducting elastomer material is to be made through the double-screw extruding pelletizing operation by styrenic elastomer, white oil, polyolefine, copper nanoparticle, steel fiber, oxidation inhibitor and expanded graphite.
Beneficial effect of the present invention:
For the further thermal conductivity that improves material, and make its effect with electromagnetic shielding, develop this novel heat-conductivity conducting elastomer material.Compared with prior art, Novel heat-conducting conductive elastomeric material of the present invention can reach better heat-conducting effect, and thermal conductivity is up to more than the 4W/mK; And this material has effectiveness.This material heat conduction, conduction, softness, hardness is low.
Embodiment
Below in conjunction with embodiment, further set forth the present invention.Should be understood that these embodiment only to be used for explanation the present invention and be not used in and limit the scope of the invention.Should be understood that in addition those skilled in the art can make various changes or modifications the present invention after the content of having read the present invention's instruction, these equivalent form of values fall within the application's appended claims limited range equally.
Used styrenic elastomer is SEBS (Kraton G1651, Polymer Company is risen by U.S. section) among the embodiment; Used mineral oil is Primol 352, and used polyolefine is the mixture of polypropylene (PP T30S, Hainan chemical company of China Petrochemical Industry) and POE (POE 8150, du pont company); Used steel fiber is any one or two kinds in copper fiber (diameter 10 μ m, Shanghai joins flourish copper industry company limited) and the aluminum fiber (diameter 15 μ m, Shanghai Aluminum limited-liability company).Used copper nanoparticle (particle diameter 100nm, Xuzhou prompt innovative material Science and Technology Ltd.), oxidation inhibitor is antioxidant 1010 or antioxidant 330 (vapour bar (CIBA) refine company), expanded graphite (2000 orders, Qingdao oere graphite company limited).
Embodiment 1～6
The consumption of pressing each component in table 1 and the table 2 adds benzene feedstock ethylene elastomer, mineral oil, polyolefine, copper nanoparticle, oxidation inhibitor and expanded graphite in the high mixer low speed mixing 8min; The raw material that mixes is added in the feeding hopper of equipment twin screw extruder; Steel fiber adds in the side feeding bucket of twin screw extruder; Start the twin screw extruder extruding pelletization and make product.The processing parameter of each embodiment sees Table 1 and table 2, and the product performance detected result that embodiment 1～3 makes sees Table the product performance detected result that 1, embodiment 4～6 makes and sees Table 2.
The consumption of each component, product performance detected result and processing parameter among table 1 embodiment 1～3
The consumption of each component, product performance detected result and processing parameter among table 2 embodiment 4～6
Claims (7)
1. heat-conductivity conducting elastomer material, it is characterized in that by weight, comprise following component: 5 ~ 40 parts of 1 ~ 5 part of 10 ~ 50 parts of styrenic elastomer, 10 ~ 50 parts in mineral oil, 10 ~ 50 parts of polyolefine, 5 ~ 40 parts of steel fibers, 5 ~ 20 parts of copper nanoparticles, oxidation inhibitor and expanded graphites; Described styrenic elastomer is SBS elastomerics or SEBS elastomerics; Described polyolefine comprises at least a among polyethylene, polypropylene and the POE.
2. heat-conductivity conducting elastomer material according to claim 1, it is characterized in that by weight, comprise following component: 10 ~ 35 parts of 1 ~ 3 part of 15 ~ 40 parts of styrenic elastomer, 15 ~ 40 parts in mineral oil, 15 ~ 40 parts of polyolefine, 10 ~ 30 parts of steel fibers, 5 ~ 15 parts of copper nanoparticles, oxidation inhibitor and expanded graphites.
3. heat-conductivity conducting elastomer material according to claim 2, it is characterized in that by weight, comprise following component: 10 ~ 25 parts of 1 ~ 3 part of 20 ~ 30 parts of styrenic elastomer, 20 ~ 30 parts in mineral oil, 15 ~ 25 parts of polyolefine, 10 ~ 20 parts of steel fibers, 5 ~ 10 parts of copper nanoparticles, oxidation inhibitor and expanded graphites.
4. heat-conductivity conducting elastomer material according to claim 1 is characterized in that described oxidation inhibitor is tetrahydric phenol oxidation inhibitor or trihydric phenol oxidation inhibitor.
5. heat-conductivity conducting elastomer material according to claim 1 is characterized in that described steel fiber comprises at least a in copper fiber and the aluminum fiber.
6. heat-conductivity conducting elastomer material according to claim 1, it is characterized in that adopting the following methods preparation: (1) adds benzene feedstock ethylene elastomer claimed in claim 1, mineral oil, polyolefine, copper nanoparticle, oxidation inhibitor and expanded graphite in the high mixer in proportion, low speed mixing 3 ~ 10min; (2) with the raw material that mixes and steel fiber through the twin screw extruder extruding pelletization; The expressing technique condition is: 190 ~ 230 ℃ of processing temperatures, screw speed are 100 ~ 250rpm, and the main frame electric current is 15 ~ 28A, are 30A at full capacity.
7. the preparation method of heat-conductivity conducting elastomer material claimed in claim 1, it is characterized in that, the method may further comprise the steps: (1) adds benzene feedstock ethylene elastomer claimed in claim 1, mineral oil, polyolefine, copper nanoparticle, oxidation inhibitor and expanded graphite in the high mixer in proportion, low speed mixing 3 ~ 10min; (2) with the raw material that mixes and steel fiber through the twin screw extruder extruding pelletization; The expressing technique condition is: 190 ~ 230 ℃ of processing temperatures, screw speed are 100 ~ 250rpm, and the main frame electric current is 15 ~ 28A, are 30A at full capacity.
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| CN104449592A (en) * | 2014-12-08 | 2015-03-25 | 闫羽 | Heat conduction and electricity conduction silicone grease |
| CN104559021A (en) * | 2014-12-31 | 2015-04-29 | 东莞市技塑塑胶科技有限公司 | Anti-electromagnetic-interference thermoplastic elastomer wire material and preparation method thereof |
| CN105838015A (en) * | 2016-05-13 | 2016-08-10 | 广东弘超橡塑实业有限公司 | Manufacturing technology of conduction type thermoplastic elastomer |
| CN107501838A (en) * | 2017-10-10 | 2017-12-22 | 东莞市炬烨塑胶科技有限公司 | A kind of corrosion-and high-temp-resistant TPE complex silicon carbide heat sink materials and its preparation method and application |
| CN115181304A (en) * | 2022-08-10 | 2022-10-14 | 深圳市西陆光电技术有限公司 | Preparation method of anti-electromagnetic wave interference polyester film |
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