Kev ua haujlwm siab UV-kho tau cov coatings tau siv rau hauv kev tsim cov flooring, rooj tog zaum, thiab cov txee rau ntau xyoo. Rau feem ntau ntawm lub sijhawm no, 100%-khoom thiab hnyav-raws li UV-kho coatings tau ua cov thev naus laus zis tseem ceeb hauv kev ua lag luam. Nyob rau hauv xyoo tas los no, dej-raws li UV-kho tau txheej tshuab tau loj hlob. Cov dej-raws li UV-kho tau cov resins tau ua pov thawj tias yog cov cuab yeej siv tau zoo rau cov tuam txhab tsim khoom rau ntau yam, suav nrog kev dhau KCMA stain, tshuaj tiv thaiv tshuaj tiv thaiv, thiab txo VOCs. Rau cov thev naus laus zis no kom loj hlob ntxiv hauv kev ua lag luam no, ntau tus neeg tsav tsheb tau raug txheeb xyuas tias yog thaj chaw tseem ceeb uas yuav tsum tau txhim kho. Cov no yuav siv dej-raws li UV-kho cov resins tshaj qhov tsuas yog muaj "yuav tsum muaj" uas feem ntau cov resins muaj. Lawv yuav pib ntxiv cov khoom muaj txiaj ntsig rau cov txheej txheem, coj tus nqi rau txhua txoj haujlwm raws li cov txiaj ntsig ntawm cov txheej txheem los ntawm cov txheej txheem rau lub Hoobkas rau tus neeg siv khoom thiab, thaum kawg, rau tus tswv.
Cov neeg tsim khoom, tshwj xeeb tshaj yog niaj hnub no, xav tau txheej txheej uas yuav ua ntau tshaj li qhov kev qhia tshwj xeeb. Tseem muaj lwm yam khoom uas muab cov txiaj ntsig hauv kev tsim khoom, ntim khoom, thiab kev teeb tsa. Ib tug yam ntxwv uas xav tau yog kev txhim kho ntawm cov nroj tsuag efficiency. Rau cov dej-raws li txheej txheej no txhais tau hais tias cov dej tso tawm sai dua thiab nrawm dua tiv thaiv. Lwm tus cwj pwm uas xav tau yog kev txhim kho resin stability rau kev ntes / rov siv cov txheej txheem, thiab kev tswj hwm lawv cov khoom muag. Rau cov neeg siv kawg thiab installer, cov yam ntxwv xav tau yog qhov zoo dua burnish tsis kam thiab tsis muaj hlau cim thaum lub sij hawm installation.
Kab lus no yuav tham txog kev tsim kho tshiab hauv dej-raws li UV-kho tau polyurethanes uas muaj kev txhim kho ntau 50 ° C xim ruaj khov hauv qhov tseeb, nrog rau cov xim pleev xim. Nws kuj tseem tham txog yuav ua li cas cov resins hais txog cov yam ntxwv xav tau ntawm cov txheej txheem txheej txheej hauv kev nce cov kab nrawm los ntawm kev tso dej nrawm, txhim kho thaiv kev tiv thaiv, thiab hnyav tiv thaiv tawm ntawm txoj kab, uas txhim kho kev ceev rau stacking thiab ntim cov haujlwm. Qhov no kuj tseem yuav txhim kho kev puas tsuaj rau sab nraud uas qee zaum tshwm sim. Kab lus no tseem tham txog kev txhim kho pom nyob rau hauv stain thiab tshuaj tiv thaiv tseem ceeb rau installers thiab tswv.
Keeb kwm
Cov toj roob hauv pes ntawm kev lag luam coatings yog ib txwm hloov zuj zus. Qhov "yuav tsum muaj" tsuas yog dhau qhov kev qhia tshwj xeeb ntawm tus nqi tsim nyog ib lab siv tsuas yog tsis txaus. Cov toj roob hauv pes rau lub Hoobkas siv cov txheej txheem rau cov txee, rooj tog, hauv pem teb, thiab rooj tog yog hloov sai. Formulators uas muab txheej txheej rau cov chaw tsim khoom raug nug kom ua cov txheej txheem kev nyab xeeb rau cov neeg ua haujlwm siv, tshem tawm cov khoom muaj kev txhawj xeeb, hloov VOCs nrog dej, thiab txawm tias siv cov fossil carbon tsawg thiab ntau cov pa roj carbon ntau. Qhov tseeb yog tias tag nrho raws li tus nqi saw, txhua tus neeg siv khoom thov cov txheej txheem ua ntau dua li ua tau raws li qhov tshwj xeeb.
Pom lub sijhawm los tsim kom muaj txiaj ntsig ntau dua rau lub Hoobkas, peb pab neeg tau pib tshawb xyuas ntawm lub Hoobkas theem cov teeb meem uas cov neeg thov tau ntsib. Tom qab ntau qhov kev xam phaj peb pib hnov qee cov ntsiab lus:
- Tso cai obstacles tiv thaiv kuv lub hom phiaj nthuav;
- Cov nqi nce ntxiv thiab peb cov peev nyiaj txiag tau txo qis;
- Cov nqi ntawm ob lub zog thiab cov neeg ua haujlwm tau nce ntxiv;
- Kev poob ntawm cov neeg ua haujlwm paub txog;
- Peb lub tuam txhab SG&A cov hom phiaj, nrog rau cov ntawm kuv cov neeg siv khoom, yuav tsum tau ua tiav; thiab
- Kev sib tw txawv teb chaws.
Cov ntsiab lus no ua rau muaj txiaj ntsig cov lus pom zoo uas tau pib ua rau cov neeg siv dej-raws li UV-kho tau polyurethanes, tshwj xeeb tshaj yog nyob rau hauv cov khoom lag luam thiab cov khoom lag luam xws li: "cov chaw tsim khoom ntawm cov khoom siv thiab cov khoom lag luam tab tom nrhiav kev txhim kho hauv lub Hoobkas ua haujlwm" thiab "cov chaw tsim khoom. xav kom muaj peev xwm nthuav dav ntawm cov kab ntau lawm nrog tsawg dua kev puas tsuaj vim yog txheej txheej nrog cov dej tso tawm qeeb. "
Table 1 piav qhia txog yuav ua li cas, rau cov chaw tsim khoom ntawm cov khoom siv coatings, kev txhim kho hauv qee yam txheej txheem txheej thiab lub cev lub cev ua rau muaj txiaj ntsig zoo uas tuaj yeem ua tiav los ntawm cov neeg siv kawg.
TAB 1 | Cov cwj pwm thiab cov txiaj ntsig.
Los ntawm kev tsim UV-kho tau PUDs nrog qee yam cwj pwm raws li teev nyob rau hauv Table 1, cov neeg siv khoom siv kawg yuav muaj peev xwm hais txog cov kev xav tau uas lawv muaj hauv kev txhim kho cov nroj tsuag. Qhov no yuav ua rau lawv muaj kev sib tw ntau dua, thiab muaj peev xwm tso cai rau lawv nthuav dav ntau lawm tam sim no.
Kev sim cov txiaj ntsig thiab kev sib tham
UV-Curable Polyurethane Dispersions Keeb Kwm
Nyob rau xyoo 1990, kev lag luam siv cov anionic polyurethane dispersions uas muaj cov acrylate pawg txuas nrog cov polymer pib siv rau hauv cov ntawv thov kev lag luam.1 Ntau yam ntawm cov ntawv thov no yog ntim, inks, thiab ntoo coatings. Daim duab 1 qhia txog cov qauv dav dav ntawm UV-kho tau PUD, ua kom pom tias cov khoom siv txheej txheej no tau tsim li cas.
DAIM 1 | Generic acrylate haumxeeb polyurethane dispersion.3
Raws li pom hauv daim duab 1, UV-kho tau polyurethane dispersions (UV-kho tau PUDs), yog tsim los ntawm cov khoom siv los ua polyurethane dispersions. Aliphatic diisocyanates yog reacted nrog cov esters raug, diols, hydrophilization pawg, thiab saw extenders siv los ua polyurethane dispersions.2 Qhov txawv yog qhov sib ntxiv ntawm ib qho acrylate functional ester, epoxy, los yog ethers incorporated rau hauv pre-polymer kauj ruam thaum ua cov dispersion. . Kev xaiv ntawm cov ntaub ntawv siv los ua lub tsev thaiv, nrog rau cov khoom siv polymer thiab kev ua haujlwm, hais txog PUD qhov kev ua tau zoo thiab cov yam ntxwv ziab. Cov kev xaiv no hauv cov khoom siv raw thiab kev ua haujlwm yuav ua rau UV-kho tau PUDs uas tuaj yeem ua tsis yog zaj duab xis, nrog rau cov uas yog zaj duab xis forming.3 Cov yeeb yaj kiab tsim, lossis hom ziab, yog cov ntsiab lus ntawm tsab xov xwm no.
Zaj duab xis tsim, los yog ziab raws li nws feem ntau hu ua, yuav tawm los coalesced films uas qhuav rau kov ua ntej UV curing. Vim tias cov neeg thov xav kom txwv tsis pub muaj huab cua paug ntawm cov txheej txheem vim yog cov khoom siv, nrog rau kev xav tau ceev hauv lawv cov txheej txheem tsim khoom, cov no feem ntau qhuav hauv qhov cub ua ib feem ntawm cov txheej txheem txuas ntxiv ua ntej UV kho. Daim duab 2 qhia txog cov txheej txheem ziab thiab kho ntawm UV-kho tau PUD.
DAIM 2 | Txheej txheem los kho UV-kho tau PUD.
Txoj kev thov siv feem ntau yog tshuaj tsuag. Txawm li cas los xij, riam hla yob thiab txawm tias lub tsho tiv thaiv dej nyab tau siv. Thaum ua ntawv thov, txheej txheej feem ntau yuav dhau los ntawm plaub-kauj ruam txheej txheem ua ntej nws rov ua dua.
1.Flash: Qhov no tuaj yeem ua tiav ntawm chav tsev lossis qhov kub siab rau ob peb feeb mus rau ob peb feeb.
2.Oven qhuav: Qhov no yog qhov chaw uas cov dej thiab cov kuab tshuaj sib xyaw yog tsav tawm ntawm txheej. Cov kauj ruam no yog qhov tseem ceeb thiab feem ntau siv sijhawm ntau tshaj plaws hauv cov txheej txheem. Cov kauj ruam no feem ntau yog> 140 ° F thiab kav ntev txog 8 feeb. Ntau qhov chaw ziab ziab tuaj yeem siv tau.
- IR teeb thiab huab cua txav: Kev teeb tsa IR teeb thiab cov kiv cua txav cua yuav ua kom cov dej ntws nrawm dua.
3. UV kho.
4.Cool: Thaum kho, cov txheej yuav tsum tau kho rau qee lub sij hawm kom ua tiav qhov thaiv kev tiv thaiv. Cov kauj ruam no yuav siv sij hawm ntev li 10 feeb ua ntej thaiv kev tiv thaiv tiav
Kev sim
Txoj kev tshawb no tau muab piv rau ob lub UV-kho tau PUDs (WB UV), tam sim no siv hauv lub txee thiab cov khoom lag luam, rau peb txoj kev loj hlob tshiab, PUD # 65215A. Hauv txoj kev tshawb no peb piv Standard #1 thiab Standard #2 rau PUD #65215A hauv kev ziab, thaiv, thiab tshuaj tiv thaiv. Peb kuj ntsuas pH stability thiab viscosity stability, uas yuav yog ib qho tseem ceeb thaum txiav txim siab rov siv dua ntawm overspray thiab txee lub neej. Qhia hauv qab no hauv Table 2 yog lub cev muaj zog ntawm txhua tus resins siv hauv txoj kev tshawb no. Tag nrho peb lub tshuab tau tsim los rau qib photoinitiator zoo sib xws, VOCs, thiab qib solids. Tag nrho peb cov resins tau tsim nrog 3% co-solvent.
TAB 2 | PUD resin khoom.
Peb tau hais rau hauv peb qhov kev xam phaj tias feem ntau WB-UV txheej hauv cov khoom siv thiab cov khoom lag luam kom qhuav ntawm cov kab ntau lawm, uas yuav siv sijhawm li 5-8 feeb ua ntej UV kho. Los ntawm qhov sib txawv, cov kuab tshuaj raws li UV (SB-UV) kab dries hauv 3-5 feeb. Tsis tas li ntawd, rau lub lag luam no, txheej txheej feem ntau siv 4-5 mils ntub. Ib qho teeb meem loj rau cov dej uas muaj UV-kho tau cov coatings thaum muab piv rau UV-kho cov kuab tshuaj raws li lwm txoj hauv kev yog lub sij hawm nws yuav siv sij hawm los nyem dej rau ntawm cov kab ntau lawm.4 Cov yeeb yaj kiab xws li cov xim dawb yuav tshwm sim yog tias dej tsis tau zoo flashed los ntawm cov kab ntau lawm. txheej ua ntej UV kho. Qhov no tuaj yeem tshwm sim yog tias cov yeeb yaj kiab ntub dej ntau dhau. Cov pob dawb no yog tsim thaum dej nkag rau hauv zaj duab xis thaum UV kho.5
Rau txoj kev tshawb no peb tau xaiv lub sijhawm kho zoo ib yam li ib qho uas yuav siv tau los ntawm UV-kho tau cov kuab tshuaj raws li kab. Daim duab 3 qhia peb daim ntawv thov, ziab, kho, thiab ntim cov sij hawm siv rau peb txoj kev kawm. Lub sij hawm ziab no sawv cev nruab nrab ntawm 50% mus rau 60% kev txhim kho nyob rau hauv tag nrho cov kab nrawm dua li cov qauv kev lag luam tam sim no hauv kev sib koom ua ke thiab cov ntawv thov txee.
DAIM 3 | Daim ntawv thov, ziab, kho, thiab ntim sijhawm.
Hauv qab no yog daim ntawv thov thiab kev kho mob uas peb siv rau peb txoj kev kawm:
● Txau daim ntawv thov ntawm maple veneer nrog lub hauv paus dub.
● 30-thib ob chav tsev kub flash.
●140 ° F kom qhuav qhov cub rau 2.5 feeb (convection cub).
● UV kho - siv txog 800 mJ / cm2.
- Cov coatings ntshiab tau kho nrog lub teeb Hg.
- Pigmented coatings tau kho nrog kev sib xyaw Hg / Ga teeb.
●1-feeb txias ua ntej stacking.
Rau peb txoj kev tshawb fawb peb kuj tau txau peb cov yeeb yaj kiab ntub dej sib txawv kom pom tias lwm yam zoo xws li cov tsho tiv no tsawg dua yuav pom tau. 4 mils ntub yog qhov raug rau WB UV. Rau txoj kev tshawb no peb kuj suav nrog 6 thiab 8 mils daim ntaub ntub dej.
Kho qhov tshwm sim
Standard # 1, ib tug high-gloss clear txheej, tau tshwm sim nyob rau hauv daim duab 4. Lub WB UV ntshiab txheej tau siv rau nruab nrab-dense fiberboard (MDF) yav tas los coated nrog ib tug dub basecoat thiab kho raws li lub sij hawm nyob rau hauv daim duab 3. Thaum 4 mils ntub cov txheej dhau. Txawm li cas los xij, ntawm 6 thiab 8 mils ntub daim ntawv thov txheej txheej tawg, thiab 8 mils tau yooj yim tshem tawm vim tsis muaj dej tso ua ntej UV kho.
DAIM 4 | Txuj #1.
Ib qho txiaj ntsig zoo sib xws kuj pom nyob rau hauv Standard #2, pom hauv daim duab 5.
DAIM 5 | Txuj #2.
Qhia hauv daim duab 6, siv tib lub sijhawm kho raws li hauv daim duab 3, PUD #65215A pom tau tias muaj kev txhim kho zoo heev hauv cov dej tso tawm / ziab. Ntawm 8 mils ntub zaj duab xis thickness, me ntsis tawg tau pom nyob rau sab ntug ntawm cov qauv.
DAIM 6 | PIB #65215A.
Kev sim ntxiv ntawm PUD # 65215A hauv cov txheej txheem qis-gloss thiab cov xim pleev xim rau tib lub MDF nrog lub hauv paus xim dub tau raug tshuaj xyuas los ntsuas cov dej tso tawm hauv lwm cov txheej txheem txheej txheem. Raws li pom nyob rau hauv daim duab 7, qhov tsawg-gloss formulation ntawm 5 thiab 7 mils ntub daim ntawv thov tso tawm cov dej thiab tsim ib tug zoo zaj duab xis. Txawm li cas los xij, ntawm 10 mils ntub, nws yog tuab dhau los tso cov dej hauv qab ziab thiab kho lub sijhawm hauv daim duab 3.
DAIM 7 | Low-gloss PUD #65215A.
Nyob rau hauv cov mis dawb pigmented, PUD #65215A ua tau zoo nyob rau tib lub sij hawm kom qhuav thiab kho tau piav nyob rau hauv daim duab 3, tshwj tsis yog thaum thov ntawm 8 ntub mils. Raws li pom hauv daim duab 8, zaj duab xis tawg ntawm 8 mils vim yog dej tsis zoo. Zuag qhia tag nrho hauv cov qauv ntshiab, qis-gloss, thiab pigmented formulations, PUD # 65215A ua tau zoo nyob rau hauv cov zaj duab xis formations thiab ziab thaum thov mus txog 7 mils ntub thiab kho ntawm lub ceev ceev ziab thiab kho lub sij hawm piav nyob rau hauv daim duab 3.
DAIM 8 | Pigmented PUD #65215A.
Thaiv qhov tshwm sim
Kev tiv thaiv kev tiv thaiv yog txheej txheej muaj peev xwm kom tsis txhob lo rau lwm cov kab lus coated thaum stacked. Hauv kev tsim khoom, qhov no feem ntau yog lub raj mis yog tias nws siv sijhawm rau cov txheej txheem kho kom ua tiav qhov kev tiv thaiv thaiv. Rau txoj kev tshawb no, pigmented formulations ntawm Standard #1 thiab PUD #65215A tau siv rau iav ntawm 5 ntub mils siv ib tug drawdown bar. Cov no tau kho txhua tus raws li lub sijhawm kho hauv daim duab 3. Ob lub iav coated tau kho tib lub sijhawm - 4 feeb tom qab kho cov panels raug clamped ua ke, raws li qhia hauv daim duab 9. Lawv tseem clamped ua ke ntawm chav tsev kub rau 24 teev. . Yog hais tias cov panels tau yooj yim sib cais yam tsis muaj imprint los yog kev puas tsuaj rau lub coated panels ces qhov kev ntsuam xyuas yog xam tau tias yog ib tug pass.
Daim duab 10 qhia txog kev txhim kho thaiv kev tiv thaiv ntawm PUD # 65215A. Txawm hais tias ob qho tib si Standard # 1 thiab PUD # 65215A tau ua tiav kev kho tag nrho hauv qhov kev sim dhau los, tsuas yog PUD # 65215A tau pom cov dej txaus tso tawm thiab kho kom ua tiav kev tiv thaiv kev tiv thaiv.
QHOV 9 | Blocking resistance test illustration.
DAIM 10 | Thaiv tsis kam ntawm Standard #1, ua raws li PUD #65215A.
Acrylic Blending Results
Txheej manufacturers feem ntau muab WB UV-kho tau resins nrog acrylics kom txo nqi. Rau peb txoj kev tshawb fawb peb kuj tau saib ntawm kev sib xyaw PUD # 65215A nrog NeoCryl® XK-12, dej-raws li acrylic, feem ntau siv los ua tus khub rau UV-kho tau dej-raws li PUDs hauv cov khoom siv thiab cov khoom lag luam. Rau lub khw no, KCMA stain test yog suav tias yog tus qauv. Nyob ntawm daim ntawv thov siv kawg, qee cov tshuaj yuav dhau los ua qhov tseem ceeb tshaj li lwm tus rau cov chaw tsim khoom ntawm cov ntawv coated. Qhov ntsuas ntawm 5 yog qhov zoo tshaj plaws thiab qhov ntsuas ntawm 1 yog qhov phem tshaj.
Raws li qhia hauv Table 3, PUD #65215A ua tau zoo tshwj xeeb hauv KCMA stain testing li high-gloss clear, low-gloss clear, and as a pigmented coating. Txawm tias thaum sib xyaw 1: 1 nrog acrylic, KCMA stain test tsis cuam tshuam loj heev. Txawm tias nyob rau hauv staining nrog cov neeg sawv cev xws li mustard, lub txheej zoo rov qab mus rau qib uas tau txais tom qab 24 teev.
TAB 3 | Tshuaj thiab stain kuj (kev ntsuam xyuas ntawm 5 yog qhov zoo tshaj).
Ntxiv nrog rau KCMA stain test, manufacturers tseem yuav sim kho tam sim ntawd tom qab UV curing tawm ntawm kab. Feem ntau cov teebmeem ntawm acrylic blending yuav pom tam sim ntawm txoj kab kho hauv qhov kev sim no. Qhov kev cia siab yog kom tsis txhob muaj txheej txheej tom qab 20 isopropyl cawv ob rubs (20 IPA dr). Cov qauv raug kuaj 1 feeb tom qab UV kho. Hauv peb qhov kev sim peb pom tias 1: 1 sib xyaw ntawm PUD # 65215A nrog acrylic tsis dhau qhov kev xeem no. Txawm li cas los xij, peb tau pom tias PUD #65215A tuaj yeem sib xyaw nrog 25% NeoCryl XK-12 acrylic thiab tseem dhau 20 IPA dr test (NeoCryl yog ib lub cim lag luam ntawm pawg Covestro).
DAIM 11 | 20 IPA ob-rubs, 1 feeb tom qab UV kho.
Resin stability
Kev ruaj ntseg ntawm PUD #65215A kuj tau sim. Lub formulation yog suav tias yog txee ruaj khov yog tias tom qab 4 lub lis piam ntawm 40 ° C, pH tsis poob qis dua 7 thiab viscosity tseem ruaj khov thaum piv rau thawj zaug. Rau peb qhov kev sim peb tau txiav txim siab muab cov qauv mus rau qhov hnyav hnyav txog li 6 lub lis piam ntawm 50 ° C. Ntawm cov xwm txheej no, Tus Qauv # 1 thiab # 2 tsis ruaj khov.
Rau peb qhov kev sim peb tau saib cov high-gloss clear, low-gloss clear, as well as the low-gloss pigmented formulations used in this study. Raws li pom nyob rau hauv daim duab 12, pH stability ntawm tag nrho peb formulations tseem ruaj khov thiab siab tshaj pH qhov pib ntawm 7.0. Daim duab 13 qhia txog qhov hloov pauv tsawg kawg nkaus tom qab 6 lub lis piam ntawm 50 ° C.
DAIM 12 | pH stability ntawm formulated PUD #65215A.
DAIM 13 | Viscosity stability ntawm formulated PUD #65215A.
Lwm qhov kev sim ua kom pom kev ruaj ntseg ntawm PUD #65215A yog rov sim KCMA stain resistance ntawm txheej txheej txheej uas tau muaj hnub nyoog 6 lub lis piam ntawm 50 ° C, thiab muab piv rau nws thawj KCMA stain kuj. Coatings uas tsis pom zoo stability yuav pom tee hauv staining kev ua tau zoo. Raws li pom nyob rau hauv daim duab 14, PUD # 65215A tau tuav tib theem ntawm kev ua tau zoo raws li nws tau ua nyob rau hauv thawj chemical / stain resistance testing ntawm pigmented txheej qhia nyob rau hauv Table 3.
DAIM 14 | Chemical test panels rau pigmented PUD #65215A.
Cov lus xaus
Rau cov neeg thov ntawm UV-kho tau dej-raws li txheej txheej, PUD # 65215A yuav pab kom lawv ua tau raws li cov qauv kev ua haujlwm tam sim no hauv kev lag luam, ntoo thiab txee, thiab ntxiv rau, yuav ua rau cov txheej txheem txheej kom pom cov kab nrawm txhim kho kom ntau dua 50 -60% dhau tam sim no tus qauv UV-kho tau dej-raws li txheej. Rau tus neeg thov qhov no yuav txhais tau tias:
● Kev tsim khoom sai dua;
● Ntau cov yeeb yaj kiab thickness txo qhov xav tau rau cov tsho loj ntxiv;
● Cov kab ziab kom luv dua;
● Kev txuag hluav taws xob vim txo qhov xav tau kom qhuav;
● Tsawg seem vim muaj kev thaiv ceev ceev;
● Txo cov txheej txheej pov tseg vim resin stability.
Nrog VOCs tsawg dua 100 g / L, cov tuam txhab tseem muaj peev xwm ua tau raws li lawv cov hom phiaj VOC. Rau cov tuam txhab lag luam uas yuav muaj kev txhawj xeeb ntxiv vim muaj teeb meem kev tso cai, qhov ceev-dej tso tawm PUD #65215A yuav ua rau lawv yooj yim dua ua tau raws li lawv txoj cai tswj hwm yam tsis muaj kev txi.
Thaum pib ntawm tsab xov xwm no peb tau hais los ntawm peb cov kev sib tham uas cov neeg siv cov khoom hnyav-raws li UV-kho tau cov ntaub ntawv feem ntau yuav qhuav thiab kho cov txheej txheem uas siv sijhawm li 3-5 feeb. Peb tau pom nyob rau hauv txoj kev tshawb no hais tias raws li cov txheej txheem qhia nyob rau hauv daim duab 3, PUD #65215A yuav kho tau mus txog 7 mils ntub zaj duab xis thicknesses nyob rau hauv 4 feeb nrog ib tug qhov cub kub ntawm 140 ° C. Qhov no zoo nyob rau hauv lub qhov rais ntawm feem ntau hnyav-raws li UV-kho coatings. PUD #65215A tuaj yeem ua rau cov neeg siv tam sim no ntawm cov khoom hnyav-raws li UV-kho tau hloov mus rau cov khoom siv dej-raws li UV-kho tau nrog me ntsis hloov rau lawv cov txheej txheej.
Rau cov tuam txhab xav txog kev nthuav dav ntau lawm, txheej txheej raws li PUD #65215A yuav pab kom lawv:
● Txuag nyiaj los ntawm kev siv cov txheej txheem dej luv luv;
●Muaj ib txoj kab me me me hauv qhov chaw;
● Muaj qhov txo qis ntawm daim ntawv tso cai VOC tam sim no;
●Ua kom txuag hluav taws xob vim txo qhov xav tau kom qhuav.
Hauv kev xaus, PUD # 65215A yuav pab txhim kho kev tsim khoom ntawm UV-curable coatings kab los ntawm kev ua tau zoo ntawm lub cev-kev ua tau zoo thiab ceev cov dej tso tawm cov yam ntxwv ntawm cov resin thaum qhuav ntawm 140 ° C.
Post lub sij hawm: Aug-14-2024
