1. Cov Khoom Muag Khoom thiab Cov Txheej Txheem Txheej Txheem Txheej Txheem
Cov ntaub ntawv tseem ceeb ntawm cov khoom
Khoom npe: High-Purity Multi-Walled Carbon Nanotube Powder (MWCNTs)
Cov yam ntxwv zoo: Concentrically dov ntau- txheej graphene qauv, 3-15 txheej
Daim ntawv lub cev: Dub ultra- cov hmoov zoo nrog cov dej ntws zoo heev
Cov qauv tsim khoom: Ua raws li ISO / TS 80004-13 cov qauv thoob ntiaj teb
Khoom Series: Plaub qhov tseem ceeb: Qib Qib, Qib Kev Coj, Qib Reinforcement, Qib Ua Haujlwm
Core Structural Parameters
Txoj kab uas hlaSab nraud txoj kab uas hla 8-15nm (Standard Hom), 20-50nm (Txhim kho hom)
Phab ntsa Number Control: 5-8 khaubncaws sab nraud povtseg (Standard Product), 10-15 txheej (Custom Product)
Ntev Ntau: 10-50μm (Standard Length), 50-100μm (Long Tube Hom)
Qhov chaw tshwj xeeb: 200-400 m²/g (BET method)
Kev ceev ceevQhov hnyav: 0.08-0.15 g / cm³
2. Performance Parameter System
Cov khoom hluav taws xob
Intrinsic conductivity:
Ib leeg tube conductivity: 10³-10⁴ S / cm
Band qauv: Quasi-cov yam ntxwv ntawm cov hlau
Lub cev muaj zog: 10⁴-10⁵ cm²/V·s
Macroscopic Performance:
Powder resistivity: 0.05-0.5 Ω·cm (lub xeev compact)
Percolation pib: 0.1-0.3 wt% (polymer matrix)
Anti-kev ua haujlwm zoo li qub: 10⁶-10⁸ Ω·cm ntawm 0.5% loading
EMI shielding effectiveness: >35dB ntawm 1GHz zaus, 2mm thickness
Thermal Properties
Axial Thermal conductivity: 1500-2000 W/m·K
Radial Thermal conductivity: 10-20 W/m·K
Thermal stability:
Huab cua ib puag ncig: Oxidation pib ntawm 450-550 degree
Inert atmosphere: Structure stable >1800 degree
Coefficient ntawm Thermal Expansion: Axial -1.0 × 10⁻⁶ K⁻¹
Mechanical Properties
Tensile zog50-100 GPa (theoretical)
Elastic Modulus0.8-1.0 TPa
Flexural zog: >30 GPa
Compressive Performance: Can withstand >10 GPa siab
3. Kev Tswj Xyuas Zoo thiab Kev Ntsuas Kev Ntsuas
Raw Material Control
Catalyst purity: Ntau dua lossis sib npaug rau 99.95%
Cov pa roj carbon purity: ntau dua lossis sib npaug rau 99.98%
Reaction gases: Qib siab purity (99.999%)
Carrier gas system: Dual purification kev kho mob
Kev Tswj Xyuas Txheej Txheem Ntau Lawm
Cov Ntsiab Cai Tswjfwm:
Cov tshuaj tiv thaiv kub: 700-850 degree, tswj qhov tseeb ± 3 degree
Gas ratio: Qhov tseeb ± 0.5%
Kev tswj siab: ± 0.1 kPa
Kev saib xyuas online: Real-time Raman spectroscopy rau kev loj hlob zoo
Kev Tswj Xyuas Zoo:
Diameter CV tus nqi:<15%
Length Distribution CV:<25%
Batch consistency: >95%
Cov khoom tiav kev xeem
Tus yam ntxwv zoo:
TEM tsom xam: Tube phab ntsa kev ncaj ncees, interlayer spacing (0.34 ± 0.01nm)
SEM kev soj ntsuam: Length tis, morphology uniformity
XRD xeem: Crystal qauv, graphitization degree
Raman spectroscopy: D / G piv<0.1
Kev tshuaj ntsuam xyuas:
TGA analysis: Purity >95%, cov ntsiab lus tshauv<3%
XPS tsom xam: Surface chemical states
ICP-MS: Hlau impurities<2%
BET thaj chaw: 250-350 m² / g
4. Daim ntawv thov cov ntaub ntawv
Composite Material Performance
Epoxy Resin System (1.0wt% chaw thau khoom):
Volume resistivity: 10³-10⁴Ω·cm
Thermal conductivity: 1.0-1.5 W / m·K
Tensile zog: nce 40-60%
Kev cuam tshuam lub zog: Txhim kho los ntawm 50-80%
Thermoplastic Composites:
PA6 system (3% loading): Thaum tshav kub kub deflection kub nce 30 degree
PEEK system (5% loading): Kev sib txhuam coefficient txo los ntawm 40%
PP system (2% loading): Anti- kev ua haujlwm zoo li qub mus txog 10⁸Ω
Daim ntawv thov Paste Conductive
Lithium Battery Conductive Paste:
Cov ntsiab lus tseem ceeb: 3-5%
Viscosity: 3000-5000 mPa · s
Dispersion stability: >30 hnub
Electrode Sheet tsis kam:<10 Ω/sq
Conductive Ink:
Printing thickness: 10-20μm
Cov ntawv tsis kam: 50-200 Ω / sq
Adhesion: 5B (ASTM D3359)
Flex resistance: >1000 cycles
5. Dispersion Solutions
Physical Dispersion Technologies
Siab - nrawm shear5000-10000 rpm, 30-60 feeb
UltrasonicationLub zog ceev 1-2 W / mL, 30-90 feeb
Pob milling: ntub milling, pob-rau- khoom piv 10: 1, 2-4 teev
Peb - yob milling: Gap 10-50μm, siab 5-10 MPa
Chemical Dispersion Systems
Aqueous Systems:
Surfactants: SDS, SDBS, Triton X-100
Dispersion concentration: mus txog 3-5 wt%
Stability: Zeta potential >30mV, stability period >30 hnub
Organic Systems:
Cov kuab tshuaj: NMP, DMF, THF, ethanol
Dispersion concentration: 2-4 wt%
Cov txheej txheem tsim nyog: daws casting, txau, dip txheej
Functionalization Modifications
Covalent Hloov Kho:
Carboxylation: -COOH cov ntsiab lus 1-3%
Amination: -NH₂ ntsiab lus 0.5-1.5%
Silanization: Txhim kho kev sib txuas nrog cov ntaub ntawv tsis muaj zog
Tsis yog-Covalent Hloov Kho:
Polymer wrapping: PVA, PEG, PVP
Surfactant adsorption: Txhim kho kev sib raug zoo nrog cov polymers
6. Ntim thiab thauj
Ntim Specifications
Ntim tshwj xeeb:
Moisture-cov ntaub ntawv pov thawj: Ua tau-hauv desiccant, av noo<1%
Anti- ntim khoom zoo li qub: Kev tiv thaiv nto<10⁹Ω
Nqus ntim: Nqus degree<10Pa
Gas-filled packaging: Nitrogen purity >99.999%
7. Kev Pabcuam thiab Kev Pabcuam
Ua ntej-Kev them nyiaj yug muag
Kev sab laj:
Dawb daim ntawv thov kev daws teeb meem tsim
Cov qauv kuaj thiab ntsuas
Txheej txheem txoj kev optimization cov lus qhia
Cov Kev Pab Cuam:
Kev kuaj dawb: sim kuaj txog li 500g
Kev xa khoom sai: Cov qauv xa tuaj hauv 24 teev
Cov ntaub ntawv ntsuam xyuas: Cov ntaub ntawv ntxaws ntxaws tau muab hauv 7 hnub ua haujlwm
Raws li cov kws tshaj lij cov chaw tsim khoom ntawm ntau-walled carbon nanotubes, peb muaj cov cuab yeej ua tiav thiab cov saw hlau, nrog rau tag nrho - cov txheej txheem muaj peev xwm los ntawm kev tshawb fawb txog kev tsim khoom. Lub tuam txhab tau cog lus los muab cov neeg siv khoom nrog siab - zoo, siab - cov khoom siv carbon nanotube. Los ntawm kev nruam kev thev naus laus zis tshiab thiab cov kev pabcuam dav dav, peb pab cov neeg siv khoom ua tiav cov thev naus laus zis thiab kev lag luam ua tiav hauv lawv cov haujlwm.
Peb Cov Txheej Txheem Zoo:
Tag nrho Industrial Chain Control: Ua tiav cov txheej txheem tswj los ntawm kev npaj catalyst mus rau qhov kawg ntim
Loj -Muaj peev xwm ntau lawm: Ua thawj coj hauv tsev loj - nplai ntau lawm
Kev coj noj coj ua: Ntau cov thev naus laus zis tseem ceeb ntawm kev lag luam- theem thawj
Quality Control System: Kev tswj xyuas nruj thiab kev tswj xyuas qhov system
Kev Pabcuam Cov Neeg Siv Khoom: Kev nthuav dav, ntau-qib kev pabcuam kev pabcuam
Peb tos ntsoov yuav koom tes nrog cov neeg siv khoom thoob ntiaj teb los koom ua ke txhawb kev siv tshiab ntawm cov pa roj carbon nanotube thev naus laus zis thoob plaws ntau qhov chaw thiab pab txhawb rau kev tsim cov khoom siv tshiab.
Cim npe nrov: multi-walled carbon nanotube hmoov, Tuam Tshoj multi-walled carbon nanotube hmoov manufacturers, lwm tus neeg, Hoobkas
