Kev xaiv cov ntaub ntawv txheej rau xim hlau yob

Tam sim no, hom coatings siv rau xim coated steel daim hlau muaj xws li polyester coatings / fluorocarbon coatings / silicon hloov coatings / high weather resistant coatings / acrylic coatings / polyurethane coatings / plastisol txheej, thiab lwm yam.
1, Polyester coatings muaj adhesion zoo rau cov ntaub ntawv, thiab xim coated steel daim hlau yog ib qho yooj yim rau txheej txheem thiab zoo, nrog rau cov nqi qis, ntau yam khoom, thiab ntau yam xim xaiv. Nyob rau hauv ib puag ncig, kev raug ncaj qha tuaj yeem ua rau lub neej muaj zog corrosion mus txog 7-8 xyoo. Txawm li cas los xij, nyob rau hauv ib puag ncig kev lag luam lossis thaj chaw muaj kuab paug hnyav, nws lub neej kev pab cuam yuav luv luv. Txawm li cas los xij, UV tsis kam thiab zaj duab xis crushing tsis kam ntawm polyester txheej tsis zoo tagnrho. Yog li ntawd, kev siv PE txheej tseem yuav tsum tau txwv. Nws feem ntau yog siv nyob rau hauv cov cheeb tsam uas tsis muaj pa phem los yog rau cov khoom uas yuav tsum tau ntau molding thiab ua.
2, Vim tias muaj cov pab pawg nquag - OH / - COOH hauv polyester, nws yooj yim rau hnov ​​​​mob nrog lwm cov macromolecules thiab polymers. Txhawm rau txhim kho lub teeb tsis kam thiab pulverization ntawm PE, silicone resin nrog cov xim zoo nkauj thiab kub tsis kam yog siv rau cov tshuaj tiv thaiv denaturation, thiab cov denaturation tus nqi nrog PE tuaj yeem yog 5% thiab 50%. SMP muab kev ruaj khov zoo dua rau cov hlau phaj, nrog rau corrosion kuj lub neej txog li 10-12 xyoo. Tau kawg, nws tus nqi kuj tseem siab dua PE, tab sis vim yog qhov tsis zoo ntawm cov nplaum thiab kev ua haujlwm ntawm silicone resin rau cov ntaub ntawv, SMP xim coated steel daim hlau tsis haum rau lub sijhawm uas xav tau ntau yam txheej txheem molding, thiab feem ntau yog siv rau lub tsev ru tsev thiab sab nrauv phab ntsa.
3, Cov huab cua tiv thaiv polyester txheej yog zoo tshaj li qub silicon hloov polyester txheej, nrog rau sab nraum zoov huab cua tsis kam mus txog 15 xyoo. Nyob rau hauv tus txheej txheem ntawm synthesizing huab cua resistant polyester resin, monomers uas muaj cyclohexane qauv yog siv los ua kom tiav qhov sib npaug ntawm resin yooj, huab cua tsis kam, thiab nqi. Aromatic polyols thiab polyacids yog siv los txo cov resin nqus ntawm ultraviolet hluav taws xob thiab ua tiav huab cua tsis kam ntawm txheej. Ntxiv UV absorbers thiab qhov chaw thaiv amines (HALS) rau cov txheej txheem los txhim kho huab cua tsis kam ntawm cov xim zaj duab xis.
4, Yas sol muaj dej tsis kam thiab tshuaj lom neeg. Feem ntau, nws yog cov txheej txheem siab nrog cov txheej txheej tuab ntawm 100-300 μ M, uas tuaj yeem muab cov txheej txheem PVC du lossis lub teeb embossing kho raws li embossed txheej; Vim PVC txheej yog cov thermoplastic resin nrog cov yeeb yaj kiab siab, nws tuaj yeem muab kev tiv thaiv zoo rau cov hlau phaj. Tab sis PVC muaj qhov tsis zoo thaum tshav kub kub.
5, Vim yog lub zog ruaj khov ntawm PVDF cov ntawv cog lus tshuaj, cov txheej txheem muaj kev tiv thaiv zoo heev thiab cov xim tuav. Nws yog cov khoom lag luam zoo tshaj plaws hauv Baosteel cov xim hlau coil txheej rau kev tsim kho, nrog cov khoom hnyav molecular thiab cov qauv sib txuas ncaj qha. Yog li ntawd, ntxiv rau cov tshuaj tiv thaiv, nws cov khoom siv kho tshuab, UV tsis kam, thiab kub tsis kam kuj tseem zoo heev. Feem ntau, lub neej ua haujlwm tiv thaiv corrosion tuaj yeem ntev li 20-25 xyoo. Nyob rau hauv xyoo tas los no, fluororesins co polymerized nrog trifluorochloroethylene thiab vinyl ester monomers tau siv dav hauv Suav teb thiab tau siv dav hauv kev tsim cov phab ntsa sab nrauv thiab hlau panels. Vim yog kev siv yooj yim hydrolyzed vinyl ester monomers, cov ntsiab lus fluorine yog li 30% qis dua PVDF, thiab nws cov huab cua kuj muaj qhov sib txawv piv rau PVDF.
6, Acrylic resin muaj kev ua haujlwm zoo thiab tus nqi siab, thiab tsuas yog siv rau hauv cov chaw tshwj xeeb xws li ntim khoom.