Peb tau sau cov FAQ hauv qab no los sim pab koj nrhiav cov lus teb. Yog tias koj tsis pom cov lus teb, thov hu rau peb.
Q: Carbon Nanotubes (CNTs) yog dab tsi?
A: Cov pa roj carbon nanotubes yog cylindrical nanostructures tsim los ntawm cov pa roj carbon atoms teem rau hauv hexagonal lattice. Lawv muaj nyob rau hauv ob daim ntawv tseem ceeb: ib leeg-walled carbon nanotubes (SWCNTs) thiab multi-walled carbon nanotubes (MWCNTs). SWCNTs muaj ib txheej graphene dov rau hauv ib lub raj, thaum MWCNTs muaj ntau lub concentric hlab. Lawv nthuav tawm tshwj xeeb txhua yam muaj zog, hluav taws xob conductivity, thiab thermal stability.
Q: Dab tsi yog cov khoom tseem ceeb ntawm CNTs?
A: Mechanical:Tensile zog mus txog ~ 100 GPa, ua rau lawv yog ib qho ntawm cov ntaub ntawv muaj zog tshaj paub.
Hluav taws xob:Conductivity tuaj yeem yog xim hlau lossis semiconducting, nyob ntawm lawv cov chirality.
Thermal:Thermal conductivity tuaj yeem tshaj 3,000 W / m·K.
Lub teeb:Qhov ceev tsawg li ~ 1.3 g / cm³.
High nam piv:Loj thaj chaw saum npoo-rau- ntim piv, zoo tagnrho rau kev sib xyaw ua ke.
Q: Dab tsi yog cov ntawv thov tseem ceeb ntawm CNTs?
A: Electronics:Conductive films, transistors, sensors, thiab hloov tau yooj yim.
Composites:Kev txhawb zog hauv polymers, hlau, thiab ceramics rau aerospace, tsheb, thiab cov khoom ua si.
Zog:Lithium{0}}Ion roj teeb electrodes, supercapacitors, thiab hydrogen cia cov ntaub ntawv.
Biomedical:Lub tshuab xa tshuaj, biosensors, thiab cov ntaub so ntswg engineering scaffolds.
Q: Dab tsi yog qhov txawv ntawm SWCNTs thiab MWCNTs?
A: SWCNTs:Feem ntau muaj cov khoom siv hluav taws xob zoo tshaj thiab thermal tab sis kim dua los tsim.
MWCNTs:Feem ntau pheej yig dua, nrog cov neeg kho tshuab ruaj khov dua, tab sis nrog me ntsis qis hluav taws xob / thermal ua haujlwm ib chav tsev loj.
Q: Yuav ua li cas CNTs tsim?
A: Chemical Vapor Deposition (CVD):Txoj kev ua kom muaj zog tshaj plaws rau siab -purity CNTs.
Arc Discharge:Ua tau siab -crystallinity CNTs tab sis nrog qis tawm los.
Laser Ablation:Haum rau siab -SWCNTs zoo tab sis lub zog- siv zog.
Q: Dab tsi yog qhov purity theem muaj, thiab vim li cas lawv tseem ceeb?
A: Purity refers to the percentage of CNTs relative to impurities like amorphous carbon or metal catalysts. High-purity CNTs (>95%) yog qhov tseem ceeb rau kev siv hluav taws xob thiab hluav taws xob, thaum cov qib purity qis me ntsis tuaj yeem txaus rau cov khoom sib xyaw. Peb muab cov txheej txheem purification (xws li, kho acid, annealing) kom tau raws li cov kev xav tau tshwj xeeb.
Q: Koj ua li cas kom zoo ib yam thiab dispersion?
A: Peb siv cov khoom nruj me ntsis- rau- kev tswj xyuas cov khoom siv zoo siv cov txheej txheem ua cim xws li SEM, TEM, Raman spectroscopy, thiab TGA. Rau cov kev sib tw dispersion, peb muab ua ntej - dispersed CNTs nyob rau hauv cov kuab tshuaj los yog polymer matrices, nrog rau cov kev xaiv deg functionalization (xws li, carboxylation) los txhim kho compatibility.
Q: Puas yog CNTs nyab xeeb los daws?
A: Raw CNT hmoov yuav tsum tau ua tib zoo tuav raws li cov pa paug tuaj yeem ua rau muaj kev phom sij. Peb pom zoo kom siv cov cuab yeej tiv thaiv tus kheej (PPE) thiab kev tswj xyuas engineering (xws li fume hoods). Peb CNTs muaj nyob rau hauv slurry los yog pelletized daim ntawv kom txo tau raug. Nco ntsoov xa mus rau Daim Ntawv Qhia Kev Nyab Xeeb (SDS) thiab ua raws li cov cai hauv zos (xws li REACH, OSHA cov lus qhia).
Q: Tus nqi qauv yog dab tsi, thiab koj puas tuaj yeem muab cov luv nqi ntau?
A: Tus nqi yog nyob ntawm hom (SWCNT / MWCNT), purity, functionalization, thiab txiav txim ntim. Peb muab cov nqi sib tw rau cov qauv tshawb fawb (grams) rau cov khoom ntim (tons). Hu rau peb pab neeg muag khoom rau ib qho kev txiav txim customized thiab ntim nyiaj cheb.
Q: Koj puas muab kev txhawb nqa lossis kev hloov kho?
A: Yog. Peb pab neeg R & D tuaj yeem pab nrog:
Xaiv cov qib CNT zoo rau koj daim ntawv thov.
Optimizing dispersion thiab kev sib xyaw ua ke.
Txhim kho kev cai ua haujlwm lossis ua ntej - masterbatches sib xyaw.
Peb kuj muab cov ntaub ntawv sau npe thiab kev sib koom tes txhim kho txoj hauv kev.
Q: Lub sij hawm ua tus coj thiab txoj cai shipping yog dab tsi?
A: Cov qauv xaj xaj xa tuaj hauv 5-10 hnub ua haujlwm. Express shipping yog muaj rau kev xav tau ceev. Peb xa khoom thoob ntiaj teb los ntawm cov neeg nqa khoom tau lees paub, nrog rau tag nrho cov ntaub ntawv rau kev lis kev cai. Kev txiav txim ntau ntawm kev lag luam yuav xav tau lub sijhawm ua haujlwm ntev dua, uas peb sib tham ua ntej.
Q: Koj cov khoom puas tau txais ntawv pov thawj thoob ntiaj teb?
A: Yog lawm, peb ua raws li ISO cov qauv. Cov ntawv pov thawj muaj nyob rau thaum thov.
Q: Koj ua li cas kom ntseeg tau cov khoom zoo?
A: Peb ua nyob rau hauv -QC tsev lossis thib peb- kev soj ntsuam tog thiab muab cov ntaub ntawv soj ntsuam ua ntej - khoom xa tuaj.
Q: Dab tsi yog qhov laj thawj zoo tshaj plaws rau kuv xav txog TANFENG ua cov khoom lag luam?
A: Muaj peev xwm paub txog kev pheej hmoo, tswj cov nqi thiab lav lub sijhawm. Thaum teeb meem tshwm sim, peb tuaj yeem daws tau thawj zaug.
Q: Yuav ua li cas CNTs piv rau lwm yam conductive additives xws li graphene los yog carbon dub?
A: CNTs muab kev sib xyaw tshwj xeeb ntawm qhov sib piv siab, kev siv lub zog, thiab percolation ntawm cov khoom qis. Piv rau graphene, CNTs muab kev yooj yim tuav hauv cov khoom sib xyaw; piv nrog carbon dub, lawv muaj ntau dua conductivity thiab lub zog ntawm qis concentrations. Qhov kev xaiv nyob ntawm tus nqi -kev ua lag luam kev ua tau zoo- tawm.
Q: CNTs puas tuaj yeem siv rau cov khoom lag luam ruaj khov lossis ntsuab?
A: Yog lawm. CNTs ua kom lub zog- siv tau zoo (piv txwv li, cov khoom sib xyaw ua ke rau cov tsheb fais fab, cov roj teeb siab tshaj plaws rau kev rov ua dua tshiab). Peb kuj ua hauj lwm kom txo tau ib puag ncig hneev taw ntawm peb cov txheej txheem ntau lawm thiab muab cov khoom siv rov ua dua tshiab CNT.
Q: Kuv tuaj yeem nrhiav cov ncauj lus kom ntxaws ntxiv lossis cov ntaub ntawv xeem nyob qhov twg?
A: Mus saib peb lub vev xaib "Technical Resources" seem rau cov ntaub ntawv, cov ntaub ntawv tshawb fawb, thiab cov ntaub ntawv tshawb fawb. Koj tseem tuaj yeem thov daim ntawv thov - cov ntawv qhia tshwj xeeb rau kev xeem ncaj qha los ntawm peb pab neeg txhawb nqa.