n - pentane raws li ib lub noob tus neeg sawv cev hauv cov khoom ua npuas
1. Qhov tseem ceeb ntawm kev ua npuas ncauj nthuav dav
Mechanism:
* n * {{- pentane qis
Muab cov kev nthuav dav siab (20-50x ntim nce).
2. Cov ntawv thov tseem ceeb
(1) nthuav dav polystyrene (eps)
Siv: rwb thaiv tsev cov laug cam, ntim khoom (piv txwv li, cov khoom noj khoom haus uas tsis muaj pov tseg).
Qhov Zoo:
Tus nqi -}} Siv tau cov hfcs ua tau zoo thiab muaj kev lom zem}- tshuab ua npuas.
Cov rwb thaiv tsev zoo dua qub rwb thaiv tsev (λ ≈ 0.032-0.038 w / min k).
Txheej txheej:
Pentane yog ua ntej - blended nrog polystyrene hlaws dai → steamed los nthuav → ua ke.
(2) extruded polystyrene (xps)
Siv: siab {-} ntawj rwb thaiv tsev rau ru tsev / plag tsev.
Cov Phiaj Xwm Tseem Ceeb: Cov ntaub ntawv kaw- ntawm tes qauv (dej {{1} {resistant).
(3) polyurethane (pu) ua npuas ncauj
Siv: cov khoom siv ua kom muaj zog (rwb thaiv tsev (tub yees), tshuaj tsuag ua npuas.
EMO {-} Qhov txiaj ntsig zoo: xoom OPP, qis GWP (vs. Banned HCFC-141B).
3. Qib & Tsim Qauv
| Ntaus | Kev coj dawb huv | Lub hom phiaj |
|---|---|---|
| Muaj Qeb | 95–98% | Chaw Eps / Xps |
| High - purity | Ntau dua los yog sib npaug rau 99% | Electronics ntim khoom (qis qis) |
| Sib xyaw | * n * {{- pentane + Isopentane | Tune infansion tus nqi |
4. Ib puag ncig & kev txiav txim siab nyab xeeb
Flammability Raw:
Chav Kawm 3 Cov Khoom Siv Ua Kua (Chaw Tso Cia Yuav tsum tau tawg -}} Cov chaw pov thawj).
Post - Kev nthuav tawm tawm {1} assing yuav tsum muaj qhov cua (tsawg dua los yog sib luag rau 200ppm chaw ua haujlwm).
Kev cai tswj hwm:
Mus txog - ua raws (tsis muaj SVHC teev).
Voc emissions tswj hwm hauv EU / Asmeskas (ntes cov khoom yuav tsum tau ua).
Xav tau kev qhia tshwj xeeb lossis nqi? Tiv tauj peb!
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