Hauv cov phiaj xwm sab nraum zoov xws li cov nroj tsuag kab hlau, kev xaiv cov khoom siv, thiab cov nqi thauj mus los yog tus nqi ua kom zoo nkauj thiab cov fluorocarbon) thiab PE (polyester) yog ob txheej sib luag Technologies. Kev txheeb xyuas hauv qab no, muaj kev lag luam sib txawv, nws muab cov kev ua ke ntawm kev engineering engineering .
{{01. sib piv ntawm cov khoom muaj peev xwm thiab cov txheej txheem
1) Cov tub ntxhais muaj txiaj ntsig ntawm PVDF txheej
PVDF txheej yog nyob ntawm cov tshuaj fluorocarbon, thiab cov khoom siv roj av ntau tshaj li ntawm PE txheej tuaj yeem tswj cov xim ruaj khov rau ntau tshaj 20 xyoo, thiab lub hardness (ntau dua los yog sib npaug) ntawm cov yeeb yaj kiab pleev xim tau zoo dua PE.
- Chemical structure: The main chain of PVDF is composed of CF bonds, the fluorine content is more than 60%, and the molecular chains are closely arranged to form a three-dimensional network structure.
- Txheej Txheej Txheem: Ob chav txheej thiab ob chav ci txheej txheem (Primer + Topcoat) yog shours {}} .
- Txuj ci nta:
- Cov huab cua super tsis kam: QV Kev kuaj mob me nyuam yaus tuaj yeem ncav ntau dua 4000 teev ntau teev tus nqi> 90%
- Kev tu tus kheej: tsis tshua muaj hluav taws xob (hais txog 18-22 mn / m), kuab paug yog qhov nyuaj rau kev ua raws
- Cov cuab yeej kho tshuab: mem hluav hardness tuaj yeem ncav cuag 2H, hnav tsis kam yog qhov zoo dua li cov organic txheej txheem
2) Muaj feem cuam tshuam cov xwm txheej PE Txheej
Polyester txheej txheej txheej txheej txheem tiv thaiv los ntawm ester kev sib txawv, tab sis nws cov teeb meem loj, tab sis nws muaj kev kub ntxhov lossis cov ntaub ntawv kub los ntawm Tuam Tshoj cov corchate qhia tau hais tias cov fading tus nqi ntawm PE txheej tuaj yeem ncav cuag 30% tsis pub dhau 5 xyoos hauv cov cheeb tsam uas muaj qhov dej nag ntau dua 1500mm.
- Cov qauv tshuaj lom neeg: Polyester Resin yog lub ntsiab saw, muaj cov pab pawg polar xws li Ester thiab Hydroxyl pawg.
- cov txheej txheem txheej txheej: ib txheej txheej, ci kub yog hais txog {{2} Date}} .
- Txuj ci nta:
- Cov txiaj ntsig tus nqi kom zoo dua: tus nqi ntawm raw khoom yog 30-50}% qis dua li PVDF
- Ua cov khoom siv tau zoo: xim nplua nuj tuaj yeem hloov kho, thiab cov kab xiav yog dav
- Yooj Yim: T-Bend Xeem yuav mus txog 0 t theem, haum rau kev ua qauv nyuaj
3) Kev sib piv ntawm cov yam ntxwv techniving: huab cua tiv thaiv thiab lub neej pabcuam
(1) kev sib piv ntawm cov txuj ci tseem ceeb
Qhov ntsuas Pvdf txheej pe
Zaj duab xis tuab (μm) ntau dua los yog sib npaug rau 25 ntau dua lossis sib npaug rau 18
Huab cua tiv thaiv (xyoo) 20-25 10-15
Ntsev txau ntsuas (teev) ntau dua lossis sib npaug rau 1000 ntau dua lossis sib npaug rau 500
Cov huab cua cuav tiv thaiv ntau dua lossis sib npaug nrog 2500 teev yam tsis muaj kev tawg loj dua los yog sib npaug li 1500 teev yam tsis muaj kab nrib pleb
Xaus: Nyob rau hauv ib puag ncig hnyav xws li muaj zog ultraviolet rays ntau dua 25 xyoo, thaum PE txheej feem ntau tsis txaus siab tom qab txog 10 xyoo 2}}
(2) Tshuaj lom neeg tsis kam
- PVDF: tiv taus 98% sulfuric acid (tsis muaj kev hloov pauv hauv 24 teev), 10% ntawm cov tshuaj (tsis muaj xeb hauv 500 teev)
- PE: nquag mus rau hydrolysis hauv cov kua qaub muaj zog thiab alkali tshwm sim hauv ntug hiav txwv tom qab 500 teev ntawm ntsev txau sim.
(3) Cov Khoom Siv Neeg Kho Tshuab
- Adhesion: PVDF yog pre-kho nrog chromium, thiab cov txheej txheem txiav kev sib tw yog sim rau qib0; PE txheej yuav poob rau qib 2 hauv qhov chaw kub thiab vaum ib puag ncig
- Cuam tshuam kuj: PE txheej yog qhov ntau yuav tawg rau hauv qhov kev ntsuas kub tsawg-kub ntawm-20 degree
2.} Kev Ntsuam Xyuas Cov Qauv
1) Tus nqi pib sib piv
| Txoj Haujlwm|PVDF txheej|PE txheej |
| Cov khoom siv raug nqi (Yuan / ㎡)|45-55|28-35 |
| Ua Zog Siv Hluav Taws Xob|Siab (kub ci)|Nruab nrab |
| Txheej txheem complexity|Txheej theem nrab yuav tsum muaj|Ib Txheej |
2) tus nqi lub neej (LCC)
Xam dua ib 20-} xyoo:
- PVDF: Txij Nkawm Nqi<5%, comprehensive cost about 60 yuan/㎡·year
- PE: Kev Renetation yuav tsum muaj txhua 8 xyoo, tus nqi ntau rau 85 Yuan / ㎡ ·
Kev lag luam hloov chaw: Thaum lub phiaj xwm pabcuam tshaj 12 xyoos, tus nqi ua tus nqi kom zoo dua ntawm .
{{03. Kev Xaiv Phau Ntawv Rau Cov Ntawv Teev Tseg Raug
Tsom xam cov xwm txheej muaj feem: xaiv tau tsav los ntawm kev thov engineering
1) qee zaus PVDF yuav tsum siv
- Curtain walls of super high-rise buildings (>200 meters): txo txoj kev pheej hmoo ntawm kev sib hlub siab
- Seaside projects: such as cross-sea bridges, port facilities (salt spray concentration>3mg / m³)
- Industrial pollution areas: chemical plants, power plants and surrounding areas (SO₂ concentration>0.1ppm)
- Extreme climate zones: Plateau strong ultraviolet areas (annual radiation>6000mJ / ㎡)
PVDF yog qhov zoo dua nyob rau hauv ib puag ncig huab
(1) Cov chaw muaj chaw nyob / ntug dej hiav txwv:Kev ua kom haum ntawm cov tshuaj lom neeg fluorocar tuaj yeem tiv thaiv kev txom nyem xws li, tom qab 5 xyoos kev ua yeeb yam ntawm 95%.
(2) Cov chaw siab siab ultraviolet:xws li Qinghai-Tibet Plateau thiab chaw kub siab, UV tiv thaiv ntawm PVDF tuaj yeem txo qhov kev pheej hmoo ntawm fading .
2) Muaj feem cuam tshuam rau PE
- Vaj tse nyob ib ntus: Cov tsev ua yeeb yam, cov tsev txawb (siv lub voj voog <5 xyoo)
- Cov chaw corrosion qis: Thaj chaw qhuav dej qhuav (txhua xyoo daus <800 hli)
- Cov phiaj xwm them nqi-rhiab: Cov tsev pheej yig, cov chaw cia khoom
- Kev kho kom zoo nkauj tshwj xeeb yuav tsum muaj: thaum customized hlau nyem thiab cov hlaws muaj txiaj ntsig yuav tsum muaj
PE tuaj yeem raug xaiv rau cov pa vaum .
(1) Facades Cival:PE Txheej muaj cov xim nplua nuj (RARC daim npav xim npog 2000+ tus lej muaj xim zoo xws li cov lag luam xim zoo li no thiab cov khoom sab nrauv sab nrauv.
(2) cov haujlwm ib ntus:xws li txawb tsev thiab cov chaw ua lag luam ib ntus, PE tau pom qhov zoo tus nqi-ua tau zoo thiab kev ua lag luam cov nqi ua lag luam tsis siv {1}
3) Cov kev ua haujlwm tshwj xeeb
1) Kev Tiv Thaiv Hluav Taws Xob: PVDF Txheej Muaj ib qib kev sib txuas ntawm B1 thiab yog qhov haum rau cov tsev siab; PE xav tau cov nplaim hluavtaws ntxiv, uas tuaj yeem cuam tshuam cov nplaum ntawm txheej {}}
2) Cov Txheej Txheem: PE Txheej yog qhov tsim nyog rau cov laug cam uas yog corrugated (xws li PVDugated Caming, Thaum High Rigidity ntawm cov xim yeeb yaj kiab {}}
4. Kev Lag Luam Kev Lag Luam - Tawm Lub Neej: Lub Tebchaws Tuaj Nrog Nyiaj Txiag
1) Tus nqi pib ua tus nqi sib txawv
Tus Nqe ntawm PVDF Txheej Txheej Cow yog 30% {% Ntau dua li ntawm cov khoom txau (xws li 0}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}} yuan / kg, thaum PE tsuas yog 40-55 yuan / kg.
2) Kev sib piv ntawm cov nqi tswj kev txij nkawm ntev
o Hloov zaus zaus: PVDF's 20- xyoo lub neej tuaj yeem txo tus nqi kho dua tshiab lossis hloov tus nqi ntau dua tus nqi pib thawj zaug.
o Kev saib xyuas kev nyuaj: cov khawb me me ntawm PE txheej tuaj yeem yooj yim ua rau corrosion ntawm substrate, xav tau ntau rov qab ua dua; PVDF tus qauv tuab tuaj yeem tiv thaiv kev puas tsuaj me .
3) Rov qab los ntawm kev nqis peev (ROI) kev xam
Siv 1, {000 square meter kab hlau sib kab ntsa thaiv phab ntsa ua piv txwv:
o PVDF daws teeb meem: thawj zaug kev nqis peev ntawm 200, {}} Yuan, tsis muaj kev tswj hwm txhua xyoo, thiab ib xyoos twg los}.
o Kev daws teeb meem PE: thawj zaug kev nqis peev ntawm 130,000 yuan, kev txij nkawm txhua xyoo, {} yuan .
Nyob rau hauv lub sijhawm ntev, tus nqi ntau ntawm PVDF yog qis .
{{05.} Cov ntsiab lus tseem ceeb ntawm cov txheej txheem thiab kev tswj hwm zoo
1) Qhov sib txawv ntawm txheej txheem txheej txheem
o PVDF: electrostatic txau + kev kho kub siab ({{}}}}} degree) ntau dua los yog sib npaug rau theem1.
o PE: Nws tuaj yeem kho tau ntawm chav tsev kub, tab sis lub sijhawm ci yuav tsum tau tswj ({}}℃/ 15 feeb).
2) txoj kev zoo tshaj plaws
o Txheej thickness nrhiav kom tau: PVDF yuav tsum muaj ntau dua los yog sib npaug rau 25443), PE ntau dua li 18μ1
o Adhesion kuaj: hla kev kev (theem 0 picking tsis tsim nyog), PVDF yuav tsum tau raws qib 1 tus qauv.
3) Tus Neeg Xa Khoom Xaiv
o Muab cov tuam txhab ua ntej uas tau dhau los ISO 12944 tiv thaiv Corrosion Corrosion.
o Yog tias ceeb toom thib peb ceeb toom (xws li SGS Ntsev Tshuaj Ntsuas, cov khoom nrawm nrawm) .
PVDF Siv Cov Kev Siv Tshwj Xeeb
1. substrate kev kho: degreasing → alkaline Ntxuav → appling → chrome kho
{{02. txheej tswj: Zaj duab xis Thickness sib txawv yuav tsum<±2μm, curing oven temperature fluctuation <5℃
{{03. Kev Ntsuas Cov Qauv: Xa mus rau Astm D7869 rau kev sim sai sai.
Cov teeb meem zoo ntawm PE
- Sagging: Tsis Txaus Vam Viscosity tswj ua rau Sagging (pom zoo siv viscosity {{1} s)
- Txiv kab ntxwv tev: tsis txaus ci kub ua rau qhov kub thiab txias ua rau saum npoo degrom
- Yellowing: Tsis txaus ntxiv ntawm UV cov nqus ua rau thaum ntxov .
Kev Tshawb Xyuas Kev Tshawb Fawb
Rooj plaub 1: Dubai Burj Khalifa Kab Hlau Rhuav Ntsa
- Txheej Xaiv: PVDF-HDP (huab cua siab tiv thaiv)
- Siv cov nyhuv: 12 xyoos tom qab kev tsim kho, xim xim sib txawv ΔE tsuas yog 0.8, thiab tsis muaj cov ntaub ntawv txij nkawm
- Kev ntsuas kev ntsuas: Ntxiv nano-sii-sio₂ txhawm rau txhim kho cov anti-xuab zeb thiab hmoov av hnav ua haujlwm
Rooj plaub 2: ru tsev ntawm Shanghai Logistics Chaw Ua Si, Suav
- Xaiv cov yuam kev: PE txheej yog xaiv los txo tus nqi
- Cov teeb meem tshwm sim: Hmoov tshwm sim tom qab 3 xyoos, thiab xeb hauv zos tshwm sim tom qab 5 xyoos
- Cov ntsiab lus piav qhia: Tsis quav ntsej kev ntxhov siab los ntawm kev sib txawv ntawm ib hnub thiab hmo ntuj (> Degree)
{{0 {}}} yav tom ntej sib xws thiab kev hloov tshiab
1) Kev tshawb fawb thiab kev txhim kho ntawm ib puag ncig phooj ywg
Txheej Txheem Kev Ua Haujlwm Ib puag ncig: Ib qho kev sib tsoo tau ua hauv kev tshawb fawb thiab kev ua haujlwm ntawm cov pa roj av (HDP)) PE rau 15 xyoo {{{}}
2) Txawj Ntse Cov Khoom Siv Tshuab
Ntse txheej txheem: Photocatalytic tus kheej tu PVDF tau pom ntawm cov txheej txheem neeg siv hluav taws xob zoo li cov tshuab neeg hlau (hauv ± 2m) thiab txhim kho cov txiaj ntsig zoo .
3) Puas muaj cov khoom siv hloov tshiab
Composite Txheej Technology: PVDF yog muab suav nrog cov txheej txheem sib xyaw ua ke, xws li PVDF hauv ntej) yog qhov tsim nyog rau ib lub ru tsev xws li ru tsev {}}
Xaus: Xaiv txiav txim rau tsob ntoo
{1.} huab huab ib puag ncig lossis ultra-ntev lub neej yuav tsum → pvdf yog qhov zoo dua
{{02. huab cua ib puag ncig thiab cov peev nyiaj tsawg → PE raug xaiv
3. kev ua haujlwm tshwj xeeb (fireproof / complex duab) → customized txheej sib xyaw ua ke raws li kev xav tau
Los ntawm kev ntsuam xyuas cov txuj ci, kev siv nyiaj txiag thiab kev xaiv ntawm cov kev ua haujlwm luv luv, PE txhawb nqa kev lag luam tawm ntawm cov khoom siv tshiab, PE txhawb nqa kev txhim kho ntawm cov khoom siv tshiab ntawm cov cuab yeej siv tshiab, ntau dua li segmented cov kev daws teeb meem yuav tshwm sim yav tom ntej, tab sis nyob rau theem PVDF tseem yog cov thev naus laus zis rau high-end sab nraum zoov daim ntawv thov.