Qhov Sib txawv ntawm Ib Leeg-Walled, Tsawg-Walled, thiab Multi-Walled Carbon Nanotube Conductive Masterbatches
Cov pa roj carbon nanotube conductive masterbatches tuaj yeem muab faib ua peb pawg loj raws li hom carbon nanotube siv: ib leeg-walled carbon nanotube (SWCNT) masterbatch, ob peb-walled carbon nanotube (FWCNT) masterbatch, thiab multi-walled carbon nanotube (MWCNT) Ib leeg-walled tube masterbatch muaj qhov zoo tshaj plaws hluav taws xob conductivity thiab tus nqi qis tshaj (0.05%-0.2% nyob rau hauv cov khoom kawg), tab sis nws cov nqi yog siab tshaj, thiab nws yog siv nyob rau hauv high -kawg electronics thiab aerospace. Multi-walled tube masterbatch muaj tus nqi siab tshaj -kev ua tau zoo thiab cov txheej txheem loj tshaj plaws, nrog cov pa roj carbon nanotube cov ntsiab lus ntawm 15%-20% hauv masterbatch, suav txog ntau dua 80% ntawm kev ua lag luam. Ob peb-walled tube masterbatch ntog ntawm ob, sib txuas cov hluav taws xob hluav taws xob siab thiab zoo dispersibility. Lub hauv paus ntawm kev xaiv yog: xaiv ib leeg-walled rau kev ua tau zoo kawg, xaiv ntau-walled rau tus nqi-zoo, thiab saib ob peb phab ntsa rau kev xaiv sib npaug.
Tshooj 1: Carbon Nanotubes hauv Masterbatches Tsis yog "Ib Tug" Khoom
Ntau tus neeg xav tias carbon nanotubes tsuas yog "ib" khoom, tab sis qhov tseeb, lawv yog tsev neeg.
Cov tswv cuab ntawm tsev neeg no txhua tus zoo li "cov hlab ntsha", tab sis tus naj npawb ntawm cov phab ntsa ntawm lub raj sib txawv, uas txiav txim siab lawv "tus kheej" thiab "kev tshwj xeeb." Nyob rau hauv conductive masterbatches, raws li hom carbon nanotube siv, lawv feem ntau muab faib ua peb pawg loj ntawm cov khoom: ib leeg-walled carbon nanotube masterbatches, ob peb-walled carbon nanotube masterbatches, thiab multi-walled carbon nanotube masterbatches.
Txawm hais tias peb hom masterbatches no muaj cov npe zoo sib xws, lawv muaj qhov sib txawv loj hauv cov qauv, kev ua tau zoo, nqi, thiab daim ntawv thov. Niaj hnub no, cia peb txheeb cov khoom kom meej: dab tsi yog cov yam ntxwv ntawm ntau hom carbon nanotubes hauv masterbatches? Thiab dab tsi scenarios lawv feem siv nyob rau hauv?
Tshooj 2: Ib leeg-Walled Carbon Nanotube Masterbatch: Qhov "Ceiling" ntawm Kev Ua Haujlwm
2.1 Cov yam ntxwv ntawm tus yam ntxwv
Ib qho -walled carbon nanotube (SWCNT) tuaj yeem xav ua ib daim ntawv ntawm graphene ntawv, tsuas yog ib qho atom tuab, seamlessly dov rau hauv lub tog raj kheej zoo meej. Nws cov qauv yog ntshiab heev, tsuas yog ib qhov chaw, thiab nws txoj kab uas hla tsuas yog 1-2 nanometers. Cov khoom hluav taws xob ntawm ib qho - cov phab ntsa phab ntsa yog qhov tshwj xeeb txiav txim siab los ntawm nws cov chirality (lub kaum sab xis thiab txoj kab uas hla ntawm yob) - los ntawm kev tswj cov chirality, xws li hlau lossis semiconducting ib leeg-walled raj tuaj yeem tsim, uas lwm hom carbon nanotubes ua tsis tau.
2.2 Kev ua tau zoo hauv Masterbatches
Hluav taws xob conductivity:Ib leeg- cov raj phab ntsa muaj cov khoom siv hluav taws xob zoo tshaj plaws ntawm cov pa roj carbon nanotube tsev neeg. Hauv kev tshawb fawb txog cov txheej txheem pob tshab, qhov kev ua tau zoo ntawm optoelectronic ntawm ib leeg -cov kav hlau txuas phab ntsa yog qhov zoo dua li ntawm ntau- cov hlab ntsa. Qhov no yog vim muaj ze li ntawm ib qho zoo tshaj plaws ntawm ib qho - qhov loj me ntawm ib qho - cov phab ntsa phab ntsa, uas tso cai rau cov hluav taws xob mus rau "kev thauj khoom ballistic" raws phab ntsa raj uas yuav luag tsis muaj kev cuam tshuam.
Ntxiv tus nqi:Cov pa roj carbon nanotube cov ntsiab lus nyob rau hauv ib qho -walled tube masterbatches feem ntau yog qis (1%-6%), tab sis tsuas yog 0.05%-0.2% tsuas yog xav tau nyob rau hauv cov khoom kawg kom ua tiav cov nyhuv conductive. Qhov no yog vim hais tias ib leeg-walled raj muaj qhov sib piv tsis tshua muaj siab (txog 10,000), thiab qhov tsawg heev tuaj yeem tsim "percolation network" hauv matrix.
Mechanical zog:Lub zog tensile ntawm ib leeg - cov hlab ntsa tuaj yeem ncav cuag 50-200 GPa, uas yog 100 npaug ntawm cov hlau. Thaum ntxiv rau cov masterbatches, lawv tuaj yeem txhawb nqa lub matrix thaum ua tiav hluav taws xob conductivity.
2.3 Application Scenarios
Ib leeg-walled carbon nanotube masterbatches yog siv nyob rau hauv siab -kawg teb nrog rau qhov kawg ntawm kev ua tau zoo:
High- khoom siv hluav taws xob kawg:Transistors, sensors, hloov tau cov duab. Cov cuab yeej semiconducting ntawm ib leeg - cov hlab ntsa ua rau lawv yog cov khoom siv zoo tshaj plaws rau cov chips yav tom ntej.
Aerospace composite cov ntaub ntawv:Lub teeb yuag, ultra- qhov yuav tsum tau muaj lub zog siab, nrog qis ntxiv ntawm 0.01%-0.1% ua tiav kev ua haujlwm.
Transparent conductive films:Tsis tshua muaj nqi ntxiv, yuav luag tsis cuam tshuam lub teeb kis thiab xim.
Silicon{0}}raws li anode roj teeb:Nrog rau qhov yooj yim heev, lawv tuaj yeem tsim "nano- caij nplooj ntoos hlav" network thaum lub sij hawm silicon particle expansion.
2.4 Kev txwv
Qhov teeb meem tseem ceeb nrog ib leeg -walled tube masterbatches yog tus nqi siab. Cov txheej txheem synthesis yog qhov nyuaj, nrog rau cov kev xav tau siab heev rau cov catalysts thiab cov tshuaj tiv thaiv kab mob, thiab tus nqi yog ntau tshaj 10 npaug ntawm ntau- cov hlab ntsa. Yog li ntawd, nws tsuas yog tsim nyog siv rau hauv cov xwm txheej uas nws yog "tsis tseem ceeb."
Tshooj 3: Ntau-Walled Carbon Nanotube Masterbatch: Lub "Ua Haujlwm" ntawm Industrialization
Multi-walled carbon nanotube masterbatches account rau ntau dua 80% ntawm kev ua lag luam thiab yog cov kev xaiv tseem ceeb hauv cov khoom siv yas.
3.1 Cov yam ntxwv ntawm tus yam ntxwv
Ntau -walled carbon nanotubes (MWCNTs) zoo li ib txheej ntawm Lavxias teb sab zes menyuam roj hmab, muaj ntau txheej txheej (feem ntau ntau tshaj 5 txheej) ntawm graphene concentrically nested ua ke, nrog rau cov khaubncaws sab nraud povtseg los ntawm van der Waals rog thiab interlayer sib nrug ntawm txog 0.34 nanometers. Txoj kab uas hla feem ntau yog 10-100 nanometers.
Muaj qhov tsis xws luag thiab tawg ntawm cov khaubncaws sab nraud povtseg ntawm ntau- cov phab ntsa phab ntsa, thiab kev ua haujlwm ntawm ib lub raj tsis zoo li ntawm ib qho - phab ntsa phab ntsa, tab sis cov txheej txheem ntau - txheej ua rau lawv hnav zoo dua thiab cuam tshuam.
3.2 Kev ua tau zoo hauv Masterbatches
Hluav taws xob conductivity:Txawm hais tias qhov hluav taws xob conductivity ntawm ntau- cov phab ntsa phab ntsa tsis zoo li ntawm ib qho - cov phab ntsa, nws yog qhov txaus rau feem ntau cov ntaub ntawv yas (surface resistance 10³-10⁶ Ω). Hauv masterbatches, cov pa roj carbon nanotube cov ntsiab lus feem ntau yog 15% -20%, thiab ntxiv 2% -4% hauv cov khoom kawg ua tiav cov nyhuv conductive.
Tus nqi kom zoo dua:Tus nqi ntawm ntau- cov phab ntsa phab ntsa tsuas yog kwv yees li 1/10 ntawm ib qho - cov phab ntsa phab ntsa, uas yog qhov laj thawj tseem ceeb tshaj plaws uas lawv ua lag luam.
Dispersibility:Qhov tshwj xeeb ntawm thaj chaw ntawm ntau- cov phab ntsa phab ntsa yog qhov qis (80-200 m² / g), ua rau kev tawg yooj yim dua nrog cov phab ntsa ib leeg, thiab cov txheej txheem yog mature nrog zoo batch stability.
3.3 Application Scenarios
Multi-walled carbon nanotube masterbatches yog tsim rau tus nqi-sensitive loj- nplai kev lag luam:
Ordinary conductive plastics:Anti-cov thawv thauj khoom zoo li qub, IC tais, ntim khoom siv hluav taws xob.
Automotive qhov chaw:Roj kab, cav peripheral Cheebtsam (yuav tsum tau 配合 nrog engineering plastics xws li PA).
Electromagnetic shielding cov ntaub ntawv:5G kev sib txuas lus khoom vaj tse, khoom siv hluav taws xob.
EVA ua npuas ncauj cov ntaub ntawv:Anti- zoo li qub outsoles, midsoles, ntxiv nyiaj 10%-15%, nto resistivity 10³-10⁵ Ω.
Tshooj 4: Tsawg-Walled Carbon Nanotube Masterbatch: Lub "Rising Star" ntawm nruab nrab-rau-High-End Market
4.1 Cov yam ntxwv ntawm tus yam ntxwv
Ob peb-walled carbon nanotubes (FWCNTs) yog tsim los ntawm concentrically dov 2-5 txheej ntawm graphene. Tus naj npawb ntawm cov khaubncaws sab nraud povtseg ntawm ib leeg -walled thiab multi-walled. Txoj kab uas hla yog feem ntau 2-8 nanometers.
Ob peb- cov hlab ntsa yog "lub hnub qub nce siab" uas tau nyiam ntau xyoo dhau los. Lawv muab cov kev ua haujlwm siab ntawm ib qho - cov phab ntsa phab ntsa nrog qhov yooj yim dispersibility ntawm ntau- cov hlab ntsa.
4.2 Kev ua tau zoo hauv Masterbatches
Qhov kev ua tau zoo ntawm ob peb- phab ntsa phab ntsa poob ntawm ib leeg-walled thiab ntau-walled:
Hluav taws xob conductivitynyob ze rau theem ntawm ib leeg - cov hlab ntsa.
Dispersibilityyog qhov zoo dua li ntawm ib qho - cov phab ntsa phab ntsa (kuj qis dua qhov chaw tshwj xeeb).
Nqiyog qis dua ib leeg- cov phab ntsa phab ntsa, tab sis siab dua ntau- cov phab ntsa phab ntsa.
Qhov "middle route" no muab ob peb- cov phab ntsa phab ntsa zoo ib yam hauv nruab nrab- mus rau - siab- cov ntawv thov kawg uas ua kom muaj kev sib npaug ntawm kev ua tau zoo thiab tus nqi.
4.3 Application Scenarios
Ob peb-walled carbon nanotube masterbatches feem ntau yog siv nyob rau hauv nruab nrab - mus rau - siab - xaus kev lag luam tawm tshiab:
High-nqi ceev- roj teeb them:Muab cov hluav taws xob hluav taws xob siab thiab kev ruaj ntseg, haum rau cov tshuab electrolyte.
Flexible displays:Mechanical saj zawg zog yog zoo dua li ntau- cov phab ntsa phab ntsa, nrog lub neej khoov ntev dua.
High -cov ntaub ntawv kub resistant composite:Cov qauv ntog ntawm ib leeg -walled thiab multi-walled, combining siab zog thiab yooj yim dispersibility.
Roj cell catalyst txhawb:Ntau qhov chaw ua haujlwm catalytic, tuaj yeem hloov cov hlau tsis tshua muaj catalysts.
Tshooj 5: Ib lub rooj kom pom tseeb qhov sib txawv ntawm peb hom Carbon Nanotube Masterbatches
| Sib piv Dimension | Tib -Walled Tube Masterbatch | Ob peb-Walled Tube Masterbatch | Multi-Walled Tube Masterbatch |
|---|---|---|---|
| Carbon Tube Structure | Ib txheej ntawm graphene dov | 2-5 txheej nested ua ke | Multiple layers nested together (>5 txheej) |
| Carbon Tube Diameter | 1-2 nm | 2-8 nm | 10-100 nm |
| Cov ntsiab lus carbon Tube hauv Masterbatch | 1%-6% | 10%-15% | 15%-20% |
| Ntxiv Cov Nyiaj Ntxiv hauv Cov Khoom Kawg | 0.05%-0.2% | 0.5%-2% | 2%-4% |
| Hluav taws xob conductivity | Siab tshaj | Siab | Nruab nrab |
| Tus nqi txheeb ze | Qhov siab tshaj (lub hauv paus) | Nruab nrab (li 1/3-1/2) | Tsawg tshaj plaws (kwv yees 1/10) |
| Dispersion nyuaj | Siab | Nruab nrab | Tsawg heev |
| Kev Ua Lag Luam | ~5% | ~10% | ~80% |
| Siv tau Scenarios | High-kawg electronics, aerospace, silicon anode | Fast-them roj teeb, hloov tau yooj yim | Conductive plastics, automotive qhov chaw, EVA ua npuas ncauj |
Tshooj 6: Yuav Ua Li Cas Xaiv Txoj Cai Ntawm Carbon Nanotube Masterbatch?
Xaiv Cov Lus Pom Zoo Ceev Cov Lus Qhia
| Koj Hom Khoom | Pom zoo Carbon Tube Hom | Pom zoo Carrier | Yam Khoom Ntxiv |
|---|---|---|---|
| Anti- IC static tais | Ntau- cov hlab ntsa | PS/ABS/PC | 10-15% |
| EVA Foam Khau Khoom | Ntau- cov hlab ntsa | EVA | 10-15% |
| Anti-Static Transport Box | Ntau- cov hlab ntsa | PP / PE | 10-20% |
| Automotive Roj Kab | Ntau- cov hlab ntsa | PAB 12 | 15-20% |
| 5G Base Chaw nres tsheb Thaum tshav kub kub Dissipation Cheebtsam | Multi-walled tubes + Graphene composite | PA 6 | 20-40% |
| Pob tshab Anti-Static Film | Ib leeg- cov hlab ntsa | PC/PETG | 0.5-2% |
| Siab -Rate Fast-Charging Component | Ob peb-cov phab ntsa | PC/ABS | 5-10% |
| Aerospace Composite Khoom | Ib leeg- cov hlab ntsa | Epoxy / High -kev ua haujlwm resin | 0.1-1% |
Tshooj 7: Shandong Tanfeng qhov zoo
Raws li cov chaw tsim khoom carbon nanotube, peb cov txiaj ntsig tseem ceeb hauv kev ua haujlwm ntawm cov khoom siv hluav taws xob tau cuam tshuam los ntawm:
Ua ntej, kev pab them nqi ntawm txhua hom carbon nanotube.Peb tau ua tib zoo tsim cov thev naus laus zis ntau lawm rau ib leeg -walled, ob peb-walled, thiab ntau-walled carbon nanotubes, thiab tuaj yeem hloov pauv cov khoom lag luam raws li cov neeg siv khoom xav tau. Los ntawm qhov ua tau zoo tshaj plaws ntawm ib leeg- phab ntsa phab ntsa mus rau ultra-tus nqi siab- ua tau zoo ntawm ntau- cov hlab ntsa, peb muab cov khoom lag luam ua tiav.
Thib ob, kev tswj xyuas meej ntawm cov ntsiab lus carbon nanotube.Tib-walled tube masterbatches muaj cov ntsiab lus carbon nanotube ntawm 1%-6%, multi-walled tube masterbatches muaj 15%-20%, thiab ob peb-walled tube masterbatches muaj 10%-15%. Cov neeg siv khoom tuaj yeem xaiv qhov tsim nyog raws li lawv cov kev xav tau, lossis tuaj yeem hloov kho.
Thib peb, kev sib piv ntawm cov cab kuj thiab carbon nanotube hom.Cov neeg nqa khoom sib txawv (PP, PA, PC, ABS, EVA, thiab lwm yam) tau koom tes nrog ntau hom carbon nanotube kom ua tiav cov txiaj ntsig zoo dispersion thiab hluav taws xob conductivity.
Plaub, kev pabcuam customization.Txawm hais tias koj xav tau qhov kev ua tau zoo tshaj plaws ntawm ib qho - cov phab ntsa phab ntsa, qhov ultra- tus nqi siab - kev ua tau zoo ntawm ntau- cov phab ntsa phab ntsa, lossis qhov kev xaiv sib npaug ntawm ob peb - cov phab ntsa phab ntsa, peb tuaj yeem muab cov khoom lag luam zoo tshaj plaws haum rau koj daim ntawv thov scenario.
Thib tsib, daim ntawv thov kev txhawb nqa.Peb tsis yog muag masterbatch xwb; peb kuj tseem muab tag nrho - txheej txheem kev txhawb nqa los ntawm kev xaiv, ua rau kev sim, pab cov neeg siv khoom sai sai ua tiav cov ntaub ntawv qhia.
Tshooj 8: Xaus
Hom carbon nanotube siv nyob rau hauv cov pa roj carbon nanotube conductive masterbatches txiav txim siab qhov kev ua tau zoo qab nthab thiab tus nqi tso ntawm masterbatch:
Tib -walled tube masterbatch:Qhov kawg ua tau zoo, tsis tshua muaj nyiaj ntxiv, haum rau siab -kawg electronics, aerospace, thiab lwm yam xwm txheej uas nws yog "tsis tseem ceeb."
Ob peb-walled tube masterbatch:Qhov sib npaug ntawm qhov kev ua tau zoo thiab tus nqi, tsim nyog rau nruab nrab - mus rau - siab - kawg daim ntawv thov xws li ceev - roj teeb them thiab cov lus qhia hloov tau.
Multi-walled tube masterbatch:Tus nqi siab tshaj -kev ua tau zoo, cov txheej txheem loj tshaj plaws, suav txog ntau dua 80% ntawm kev ua lag luam, thiab yog cov neeg ua haujlwm ntawm cov khoom siv yas.
Lub hauv paus ntsiab lus tseem ceeb rau kev xaiv:Xaiv ib qho -walled rau qhov ua tau zoo tshaj plaws, xaiv ntau-walled rau tus nqi-effectiveness, thiab saib ob peb-walled rau kev xaiv sib npaug.
Yog tias koj tawm tsam nrog kev xaiv cov pa roj carbon nanotube conductive masterbatches, thov hu rau peb - raws li cov chaw tsim khoom lag luam, Shandong Tanfeng muab cov khoom lag luam tag nrho suav nrog ib qho -walled, ob peb-walled, thiab multi-walled, thiab npaj txhij ua hauj lwm nrog koj los nrhiav kev daws teeb meem rau koj cov khoom.