Iingubo ezisebenza kakuhle ezinyangwa yi-UV ziye zasetyenziswa ekwenzeni umgangatho, ifenitshala, kunye neekhabhathi kangangeminyaka emininzi. Kangangexesha elininzi, iingubo ezinyangwa yi-UV eziqinileyo nezinyibilikayo ziye zaba yiteknoloji ebalaseleyo kwimarike. Kwiminyaka yakutshanje, iteknoloji yokunyangwa yi-UV enyangwa ngamanzi iye yanda. Ii-resin ezinyangwa ngamanzi ezinyangwa yi-UV ziye zabonakala ziluncedo kubavelisi ngezizathu ezahlukeneyo, kubandakanya ukudlula ibala le-KCMA, uvavanyo lokumelana neekhemikhali, kunye nokunciphisa ii-VOC. Ukuze obu buchwepheshe buqhubeke bukhula kule marike, abaqhubi abaninzi baye bachongwa njengeendawo eziphambili apho kufuneka kwenziwe uphuculo. Ezi ziza kuthatha ii-resin ezinyangwa ngamanzi ezinyangwa yi-UV ngaphaya kokuba "nezinto ekufuneka zibe nazo" uninzi lwee-resin lunazo. Ziza kuqala ukongeza iipropati ezixabisekileyo kwingubo, zizisa ixabiso kwindawo nganye ecaleni kwekhonkco lexabiso ukusuka kwifomyula yokugquma ukuya kwi-applicator yefektri ukuya kwi-installer, kwaye ekugqibeleni, kumnini.
Abavelisi, ingakumbi namhlanje, bafuna upende oluza kwenza okungaphezulu nje kokudlula iinkcukacha. Kukwakho nezinye iimpawu ezibonelela ngeenzuzo ekuvelisweni, ekupakishweni nasekufakweni. Olunye uphawu olufunekayo kukuphuculwa kokusebenza kakuhle kwezityalo. Kwipende esekwe emanzini oku kuthetha ukukhululwa kwamanzi ngokukhawuleza kunye nokumelana nokuthintela ngokukhawuleza. Olunye uphawu olufunekayo kukuphucula uzinzo lwe-resin ukuze kubanjwe/kusetyenziswe kwakhona upende, kunye nokulawulwa kwezinto zabo. Kumsebenzisi wokugqibela kunye nomfaki, iimpawu ezifunekayo kukumelana okungcono nokutsha kunye nokungabikho kophawu lwesinyithi ngexesha lokufakwa.
Eli nqaku liza kuxoxa ngophuhliso olutsha kwi-polyurethanes ezisekelwe emanzini ezinyangwa yi-UV ezibonelela ngozinzo lwepeyinti oluphuculwe kakhulu kwi-50 °C kwiingubo ezicacileyo, kunye nezombala. Likwaxoxa ngendlela ezi resin ezijongana ngayo neempawu ezifunekayo zesixhobo sokugquma ekwandiseni isantya somgca ngokukhupha amanzi ngokukhawuleza, ukuphuculwa kokumelana neebhloko, kunye nokumelana nesolvent ngaphandle komgca, nto leyo ephucula isantya sokubeka kunye nokusebenza kokupakisha. Oku kuya kuphucula nomonakalo ongaphandle komgca owenzeka ngamanye amaxesha. Eli nqaku likwaxoxa ngophuculo olubonakaliswe kukumelana namabala kunye neekhemikhali ezibalulekileyo kubafaki kunye nabanini.
Imvelaphi
Imeko yeshishini leengubo zokugquma ihlala itshintsha. Izinto ekufuneka zibekho xa kudluliswa nje imiqathango ngexabiso elifanelekileyo nge-mil nganye esetyenzisiweyo azanelanga. Imeko yeengubo zokugquma ezifakwe efektri kwiikhabhathi, kwiindawo zokudibanisa, phantsi, nakwifenitshala itshintsha ngokukhawuleza. Abenzi beengubo ababonelela ngeengubo zokugquma kwiifektri bacelwa ukuba benze iingubo zokugquma zikhuseleke ngakumbi kubasebenzi ukuba bazifake, basuse izinto ezixhalabisayo, batshintshe ii-VOC ngamanzi, baze basebenzise ne-carbon encinci yefosili kunye ne-bio carbon eninzi. Inyani yile yokuba kulo lonke uthotho lwexabiso, umthengi ngamnye ucela ingubo ukuba yenze okungaphezulu kunokuhlangabezana nemigaqo.
Sibona ithuba lokudala ixabiso elingakumbi kumzi-mveliso, iqela lethu laqala ukuphanda kwinqanaba lomzi-mveliso ngemingeni aba bafaki-zicelo ababejongene nayo. Emva kodliwanondlebe oluninzi saqala ukuva imixholo efanayo:
- Ukuvumela imiqobo kuthintela iinjongo zam zokwandisa;
- Iindleko ziyanda kwaye uhlahlo-lwabiwo mali lwethu lwemali luyancipha;
- Iindleko zamandla kunye nabasebenzi ziyanda;
- Ukulahlekelwa ngabasebenzi abanamava;
- Iinjongo zethu ze-SG&A zenkampani, kunye nezo zabathengi bam, kufuneka zifezekiswe; kwaye
- Ukhuphiswano lwaphesheya kweelwandle.
Ezi zihloko zikhokelele kwiingxelo zexabiso ezaqala ukuvakala kubantu abasebenzisa ii-polyurethanes ezisekelwe emanzini ezinyangekayo nge-UV, ingakumbi kwimarike yee-joinery kunye neekhabhinethi ezifana nezi: “abavelisi bee-joinery kunye neekhabhinethi bafuna ukuphuculwa kokusebenza kakuhle kwefektri” kunye “nabavelisi bafuna amandla okwandisa imveliso kwimigca yemveliso emifutshane ngomonakalo omncinci wokulungiswa ngenxa yokugqunywa kwezinto ezineempawu zokukhupha amanzi kancinci.”
Itheyibhile 1 ibonisa indlela, kumenzi wezinto zokugquma, ukuphuculwa kweempawu ezithile zokugquma kunye neempawu zomzimba ezikhokelela ekusebenzeni kakuhle okunokuphunyezwa ngumsebenzisi wokugqibela.
ITHEYIBHILE 1 | Iimpawu kunye neenzuzo.
Ngokuyila ii-PUD ezinyangekayo ze-UV ezineempawu ezithile njengoko zidweliswe kwiTheyibhile 1, abavelisi abasetyenziswa ekugqibeleni baya kukwazi ukujongana neemfuno abanazo ekuphuculeni ukusebenza kakuhle kwezityalo. Oku kuya kubavumela ukuba bakhuphisane ngakumbi, kwaye mhlawumbi kubavumele ukuba bandise imveliso yangoku.
Iziphumo zovavanyo kunye nengxoxo
Imbali yokusasazeka kwePolyurethane enyangekayo nge-UV
Kwiminyaka yoo-1990, ukusetyenziswa kwezorhwebo kwe-anionic polyurethane dispersions equlethe amaqela e-acrylate aqhotyoshelwe kwi-polymer kwaqala ukusetyenziswa kwizicelo zoshishino.1 Uninzi lwezi zicelo zazikwiipakethe, kwii-inki, nakwiingubo zomthi. Umfanekiso 1 ubonisa isakhiwo esiqhelekileyo se-UV-medical PUD, ebonisa indlela eziyilwe ngayo ezi zixhobo zokugquma.
UMFANELO 1 | Ukusasazwa kwe-polyurethane esebenzayo ye-acrylate eqhelekileyo.3
Njengoko kubonisiwe kuMfanekiso 1, ii-polyurethane ezinyangwa yi-UV (ii-PUD ezinyangwa yi-UV), zenziwe ngezinto eziqhelekileyo ezisetyenziselwa ukwenza ii-polyurethane dispersions. Ii-diisocyanates ze-Aliphatic zisabela kwii-esters eziqhelekileyo, ii-diols, amaqela e-hydrophilization, kunye nee-chain extenders ezisetyenziselwa ukwenza ii-polyurethane dispersions.2 Umahluko kukongezwa kwe-acrylate functional ester, i-epoxy, okanye ii-ethers ezifakwe kwi-pre-polymer step ngelixa kusenziwa i-dispersion. Ukukhethwa kwezinto ezisetyenziswa njengeebhloko zokwakha, kunye noyilo lwe-polymer kunye ne-processing, kulawula ukusebenza kwe-PUD kunye neempawu zokomisa. Olu khetho kwizinto eziluhlaza kunye ne-processing luya kukhokelela kwi-UV-medical PUDs ezinokuba zezo zingengo-film, kunye nezo zenza ifilimu.3 Iintlobo zefilimu, okanye ezomisa, zezona ziphambili kweli nqaku.
Ukwenziwa kwefilimu, okanye ukomisa njengoko kubizwa njalo, kuya kuvelisa iifilimu ezidibeneyo ezomileyo xa zichukunyiswa ngaphambi kokuba zivuthwe yi-UV. Ngenxa yokuba izixhobo zokuyifaka zifuna ukunciphisa ungcoliseko oluvela emoyeni ngenxa yeenxalenye ze-particles, kunye nesidingo sesantya kwinkqubo yazo yokuvelisa, ezi zihlala zomiswa kwii-oven njengenxalenye yenkqubo eqhubekayo ngaphambi kokuba zivuthwe yi-UV. Umfanekiso 2 ubonisa inkqubo eqhelekileyo yokomisa nokuvuthisa ye-PUD evuthwa yi-UV.
UMZOBO 2 | Inkqubo yokunyanga i-PUD enyangekayo nge-UV.
Indlela esetyenziswayo yokufutha idla ngokutshizwa. Nangona kunjalo, kuye kwasetyenziswa imela phezu kweroli kunye ne-flood coat. Nje ukuba ifakelwe, i-coating idla ngokudlula kwinkqubo enamanqanaba amane ngaphambi kokuba iphinde iphathwe.
1. I-Flash: Oku kungenziwa kwigumbi okanye kumaqondo obushushu aphezulu imizuzwana embalwa ukuya kwimizuzu embalwa.
2. Ukomisa i-oven: Kulapho amanzi kunye nezinyibilikisi ezixutyiweyo zikhutshwa khona kwi-coating. Eli nyathelo libaluleke kakhulu kwaye lidla ngokuthatha ixesha elininzi kwinkqubo. Eli nyathelo lidla ngokuba kwi->140 °F kwaye lihlala ukuya kuthi ga kwimizuzu esi-8. Ii-ovens zokomisa ezineendawo ezininzi nazo zingasetyenziswa.
- Isibane se-IR kunye nokuhamba komoya: Ukufakwa kwezibane ze-IR kunye neefeni zokuhamba komoya kuya kukhawulezisa ukukhanya kwamanzi ngokukhawuleza nangakumbi.
3. Unyango lwe-UV.
4. Ipholile: Nje ukuba inyangwe, i-coating kuya kufuneka inyangwe ixesha elithile ukuze ifikelele ekumelaneni nokuvimba. Eli nyathelo lingathatha imizuzu eli-10 ngaphambi kokuba kufezekiswe ukumelana nokuvimba.
Uvavanyo
Olu phononongo luthelekise ii-PUD ezimbini ezinyangekayo ze-UV (WB UV), ezisetyenziswa ngoku kwimarike yekhabhinethi nakwi-joinery, nophuhliso lwethu olutsha, i-PUD # 65215A. Kolu phononongo sithelekisa iStandard #1 kunye neStandard #2 kwi-PUD #65215A ekomiseni, ekuvaleleni, nasekuchaseni ngamakhemikhali. Sikwavavanya uzinzo lwe-pH kunye nokuzinza kwe-viscosity, okunokuba luncedo kakhulu xa kucingwa ngokusetyenziswa kwakhona kwe-overspray kunye nexesha lokuphelelwa kwayo. Kuboniswe ngezantsi kwiTheyibhile 2 ziimpawu zomzimba ze-resin nganye esetyenzisiweyo kolu phononongo. Zonke iinkqubo ezintathu zenziwe kwinqanaba elifanayo le-photoinitiator, ii-VOC, kunye nenqanaba le-solids. Zonke ii-resin ezintathu zenziwe nge-3% co-solvent.
ITHEYIBHILE 2 | Iimpawu ze-resin ye-PUD.
Kudliwanondlebe lwethu sixelelwe ukuba uninzi lweengubo ze-WB-UV kwiimarike zokudibanisa kunye neekhabhathi zomile kumgca wemveliso, othatha phakathi kwemizuzu emi-5-8 ngaphambi konyango lwe-UV. Ngokwahlukileyo koko, umgca we-UV osekelwe kwi-solvent (SB-UV) womile kwimizuzu emi-3-5. Ukongeza, kule marike, iingubo zihlala zisetyenziswa zimanzi kangange-4-5 mils. Ingxaki enkulu kwiingubo ze-UV ezinyangwa ngamanzi xa kuthelekiswa nezinye iindlela ezisekelwe kwi-solvent ezinyangwa yi-UV lixesha elithathayo ukutshaya amanzi kumgca wemveliso.4 Iziphene zefilimu ezifana nokubona okumhlophe ziya kwenzeka ukuba amanzi akakhanyiswanga kakuhle kwingubo ngaphambi konyango lwe-UV. Oku kunokwenzeka nokuba ubukhulu befilimu emanzi buphezulu kakhulu. La mabala amhlophe enziwa xa amanzi evaleleka ngaphakathi kwifilimu ngexesha lonyango lwe-UV.5
Kolu phononongo sikhethe ishedyuli yokunyanga efana naleyo iza kusetyenziswa kumgca osekelwe kwisinyibilikisi esinyangekayo se-UV. Umfanekiso 3 ubonisa ishedyuli yethu yokusetyenziswa, ukomisa, ukunyanga, kunye nokupakisha esisetyenzisiweyo kuphononongo lwethu. Le shedyuli yokumisa imele phakathi kophuculo lwe-50% ukuya kwi-60% kwisantya somgca iyonke ngaphezu komgangatho wemarike wangoku kwizicelo zokudibanisa kunye neekhabhathi.
UMZOBO 3 | Ukufaka, ukomisa, ukunyanga, kunye neshedyuli yokupakishwa.
Nazi iindlela zokusetyenziswa kunye neemeko zokuphilisa esizisebenzisileyo kuphando lwethu:
●Fafaza nge-basecoat emnyama phezu kwe-maple veneer.
●Ifleshi yobushushu begumbi yemizuzwana engama-30.
●140 °F i-oveni yokomisa imizuzu eyi-2.5 (i-oveni yokuhambisa amanzi).
●Unyango lwe-UV – ubukhali obumalunga ne-800 mJ/cm2.
- Iingubo ezicacileyo zicocwe kusetyenziswa isibane se-Hg.
- Iingubo ezinombala zinyangiwe kusetyenziswa isibane se-Hg/Ga esidibeneyo.
● Pholisa umzuzu omnye ngaphambi kokuba udibanise.
Kwisifundo sethu sikwatshize iifilimu ezintathu ezahlukeneyo ezimanzi ukuze sibone ukuba ezinye izibonelelo ezifana neengubo ezimbalwa ziya kufunyanwa na. Ukumanzisa kwe-4 mils yinto eqhelekileyo kwi-WB UV. Kolu phononongo sikwafake nezicelo zokugquma ezimanzi ze-6 kunye ne-8 mils.
Iziphumo Zokunyanga
Umgangatho #1, uqweqwe olucacileyo olukhazimlayo, iziphumo ziboniswe kuMfanekiso 4. Uqweqwe olucacileyo lwe-WB UV lufakwe kwi-fiberboard ephakathi nendawo (i-MDF) eyayigqunywe nge-basecoat emnyama ngaphambili yaze yanyangwa ngokweshedyuli eboniswe kuMfanekiso 3. Kwi-4 mils manzisa uqweqwe luyadlula. Nangona kunjalo, xa kusetyenziswa ulwelwe lwe-6 kunye ne-8 mils uqweqwe lwaqhekeka, kwaye i-8 mils yasuswa ngokulula ngenxa yokukhululwa kakubi kwamanzi ngaphambi kokuba i-UV inyangeke.
UMZOBO 4 | Umgangatho #1.
Isiphumo esifanayo sikwabonakala kwiStandard #2, eboniswe kwiFigure 5.
UMZOBO 5 | Umgangatho #2.
Kuboniswe kuMfanekiso 6, kusetyenziswa ishedyuli efanayo yokunyanga njengakuMfanekiso 3, i-PUD #65215A ibonise ukuphucuka okukhulu ekukhutshweni/ekomisweni kwamanzi. Kwi-8 mils ubukhulu befilimu emanzi, kwabonakala ukuqhekeka okuncinci kumda ongezantsi wesampuli.
UMZOBO 6 | I-PUD #65215A.
Uvavanyo olongezelelweyo lwe-PUD# 65215A kwi-coating ecacileyo ekhanyayo esezantsi kunye ne-pigmented coating phezu kwe-MDF efanayo ene-basecoat emnyama ihlolwe ukuze kuvavanywe iimpawu zokukhululwa kwamanzi kwezinye iindlela eziqhelekileyo zokugquma. Njengoko kubonisiwe kuMfanekiso 7, i-formulation ekhanyayo esezantsi kwi-5 kunye ne-7 mils wet application ikhuphe amanzi kwaye yenze ifilimu elungileyo. Nangona kunjalo, kwi-10 mils wet, yayinzima kakhulu ukukhulula amanzi phantsi kweshedyuli yokomisa nokunyanga kuMfanekiso 3.
UMZOBO 7 | I-PUD ekhazimlayo esezantsi #65215A.
Kwifomula emhlophe enombala, i-PUD #65215A iqhube kakuhle kwishedyuli efanayo yokomisa nokunyanga echazwe kuMfanekiso 3, ngaphandle kokuba isetyenziswe kwi-8 mils emanzi. Njengoko kubonisiwe kuMfanekiso 8, ifilimu iyaqhekeka kwi-8 mils ngenxa yokukhululwa kakubi kwamanzi. Ngokubanzi kwifomyula ecacileyo, ekhanyayo, nenemibala, i-PUD# 65215A iqhube kakuhle kwifomyula kunye nokomisa xa isetyenziswe ukuya kuthi ga kwi-7 mils imanzi kwaye inyangiwe kwishedyuli yokomisa kunye nokomisa ekhawulezileyo echazwe kuMfanekiso 3.
UMFANELO 8 | I-PUD Enombala #65215A.
Iziphumo zokuthintela
Ukumelana nokuvaleka kukwazi kwengubo ukunamathela kwenye into egqunyiweyo xa ibekwe ndawonye. Ekwenzeni oku kudla ngokuba nzima ukuba kuthatha ixesha ukuba igqunyiweyo ifikelele ekumelaneni neebhloko. Kolu phononongo, iifomyula ezinemibala yeStandard #1 kunye ne-PUD #65215A zifakwe kwiglasi kwi-5 wet mils kusetyenziswa i-drawdown bar. Ezi zinyangiwe nganye ngokweshedyuli yokunyanga kuMfanekiso 3. Iiphaneli ezimbini zeglasi ezigqunyiweyo zanyangwa ngaxeshanye - emva kwemizuzu emi-4 emva kokunyanga iiphaneli zahlanganiswa, njengoko kubonisiwe kuMfanekiso 9. Zahlala zibambene kubushushu begumbi iiyure ezingama-24. Ukuba iiphaneli zazahlulwa ngokulula ngaphandle kokushicilelwa okanye ukonakala kwiiphaneli ezigqunyiweyo, uvavanyo lwaluthathwa njengoluphumeleleyo.
Umfanekiso 10 ubonisa ukuxhathisa okuphuculweyo kwe-PUD# 65215A. Nangona zombini iStandard #1 kunye ne-PUD #65215A zifumene unyango olupheleleyo kuvavanyo lwangaphambili, yi-PUD #65215A kuphela ebonise ukukhululwa kwamanzi kunye nonyango olwaneleyo ukuze kufezekiswe ukuxhathisa ukuvaleka.
UMZOBO 9 | Umfanekiso wovavanyo lokumelana nokuvimba.
UMFANELO 10 | Ukumelana nokuvimba kweStandard #1, kulandelwe yiPUD #65215A.
Iziphumo zokuxuba i-Acrylic
Abavelisi beengubo badla ngokudibanisa ii-resin ze-WB ezinyangekayo ze-UV kunye nee-acrylics ukuze kuncitshiswe iindleko. Kwisifundo sethu sikwajonge ukuxuba i-PUD#65215A kunye ne-NeoCryl® XK-12, i-acrylic esekwe emanzini, edla ngokusetyenziswa njengeqabane lokuxuba ii-PUD ezisekwe emanzini ezinyangekayo ze-UV kwimarike yokudibanisa kunye neekhabhathi. Kule marike, uvavanyo lwebala le-KCMA luthathwa njengomgangatho. Ngokuxhomekeke kwisicelo sokugqibela, ezinye iikhemikhali ziya kuba zibaluleke ngakumbi kunezinye kumenzi wento egqunyiweyo. Uvavanyo lwe-5 lolona lubalaseleyo kwaye uvavanyo lwe-1 lolona lubi kakhulu.
Njengoko kubonisiwe kwiTheyibhile 3, i-PUD #65215A isebenza kakuhle kakhulu kuvavanyo lwebala le-KCMA njenge-gloss clear ecacileyo, i-low-gloss clear, kunye ne-pigmented coating. Nokuba ixutywe ne-1:1 ne-acrylic, uvavanyo lwebala le-KCMA aluchaphazeleki kakhulu. Nokuba kufakwe i-daising ngee-agents ezifana ne-mustard, i-coating ibuyela kwinqanaba elamkelekileyo emva kweeyure ezingama-24.
ITHEYIBHILE 3 | Ukumelana neekhemikhali kunye namabala (uvavanyo lwe-5 lolona lubalaseleyo).
Ukongeza kuvavanyo lwebala le-KCMA, abavelisi baya kuvavanya ukuchacha kwangoko emva kokuba i-UV icolile emgceni. Rhoqo iziphumo zokuxuba i-acrylic ziya kubonwa kwangoko emgceni wokuxuba kolu vavanyo. Okulindelekileyo kukuba kungabikho breakthrough yokugquma emva kwe-20 isopropyl alcohol double rubs (20 IPA dr). Iisampulu ziyavavanywa emva komzuzu omnye emva kokucoca i-UV. Kuvavanyo lwethu sibone ukuba umxube we-1:1 we-PUD# 65215A one-acrylic awuphumelelanga kolu vavanyo. Nangona kunjalo, sibone ukuba i-PUD #65215A inokuxutywa ne-25% ye-NeoCryl XK-12 acrylic kwaye isaphumelela uvavanyo lwe-20 IPA dr (i-NeoCryl luphawu lwentengiso olubhalisiweyo lweqela leCovestro).
UMFANELO 11 | 20 I-IPA irabha kabini, umzuzu o-1 emva konyango lwe-UV.
Uzinzo lweResin
Uzinzo lwe-PUD #65215A nalo luye lwavavanywa. Ifomyula ithathwa njengezinzileyo kwishelufu ukuba emva kweeveki ezi-4 kwi-40 °C, i-pH ayiweli ngaphantsi kwe-7 kwaye i-viscosity ihlala izinzile xa ithelekiswa neyokuqala. Kuvavanyo lwethu sigqibe ekubeni sijonge iisampulu kwiimeko ezinzima ukuya kuthi ga kwiiveki ezi-6 kwi-50 °C. Kwezi meko iStandard #1 kunye ne-#2 bezingazinzanga.
Kuvavanyo lwethu sijonge iifomyula ezikhanyayo nezikhanyayo, kunye neefomyula ezinombala okhanyayo nezikhanyayo ezisetyenzisiweyo kolu phononongo. Njengoko kubonisiwe kuMfanekiso 12, uzinzo lwe-pH lwazo zonke ezi fomyula zintathu luhlale luzinzile kwaye lungaphezulu komda we-7.0 pH. Umfanekiso 13 ubonisa utshintsho oluncinci lwe-viscosity emva kweeveki ezi-6 kuma-50 °C.
UMZOBO 12 | Uzinzo lwe-pH ye-PUD equlunqiweyo #65215A.
UMFANELO 13 | Uzinzo lokuxinana kwe-PUD eyenziweyo #65215A.
Olunye uvavanyo olubonisa ukusebenza kozinzo lwe-PUD #65215A yayikukuvavanya kwakhona ukumelana kwamabala e-KCMA kwifomyula yokugquma esele igugile kangangeeveki ezi-6 kwi-50 °C, kwaye ithelekise oko nokuxhathisa kwayo kwamabala e-KCMA yokuqala. Iingubo ezingabonisi uzinzo oluhle ziya kubona ukwehla kokusebenza kwamabala. Njengoko kubonisiwe kuMfanekiso 14, i-PUD# 65215A igcine inqanaba elifanayo lokusebenza njengoko yenzile kuvavanyo lokuqala lokumelana neekhemikhali/namabala kwingubo enemibala eboniswe kwiTheyibhile 3.
UMFANELO 14 | Iiphaneli zovavanyo lweekhemikhali ze-PUD enemibala #65215A.
Izigqibo
Kwizixhobo zokufaka izinto ezisebenzisa amanzi ezinyangwa yi-UV, i-PUD #65215A iya kubenza bakwazi ukuhlangabezana nemigangatho yokusebenza yangoku kwiimarike zokudibanisa, iinkuni kunye neekhabhinethi, kwaye ukongeza, iya kwenza ukuba inkqubo yokufakela izinto ibone ukuphuculwa kwesantya somgca ukuya kuthi ga kwi-50-60% ngaphezu kwezixhobo ezisebenzisa amanzi ezinyangwa yi-UV. Kumsebenzisi wokufaka izinto oku kunokuthetha oku:
●Imveliso ekhawulezayo;
●Ukwanda kobukhulu befilimu kunciphisa isidingo sokongeza iijazi;
●Imigca emifutshane yokomisa;
●Ukonga amandla ngenxa yokuncipha kweemfuno zokomisa;
●Izinto ezilahliweyo ezincinci ngenxa yokumelana nokuthintela okukhawulezayo;
●Ukunciphisa inkunkuma yokugquma ngenxa yokuqina kweresin.
Njengoko ii-VOC zingaphantsi kwe-100 g/L, abavelisi banokukwazi ngakumbi ukuhlangabezana neenjongo zabo ze-VOC. Kubavelisi abanokuba nexhala lokwandiswa ngenxa yeengxaki zemvume, i-PUD #65215A ekhutshwa ngokukhawuleza iya kubanceda bakwazi ukuhlangabezana lula neembopheleleko zabo zomthetho ngaphandle kokulahlekelwa kukusebenza.
Ekuqaleni kweli nqaku sicaphule kudliwanondlebe lwethu ukuba izixhobo zokufaka izinto ezinyibilikayo ze-UV ezisekwe kwisinyibilikisi zihlala zomisa kwaye zinyange ii-coating kwinkqubo ethatha imizuzu emi-3-5. Sibonisile kolu phononongo ukuba ngokwenkqubo eboniswe kuMfanekiso 3, i-PUD #65215A iya kunyanga ukuya kuthi ga kwi-7 mils ubukhulu befilimu emanzi kwimizuzu emi-4 kunye nobushushu be-oven obuyi-140 °C. Oku kungaphakathi kwefestile yee-coating ezininzi ze-UV ezisekwe kwisinyibilikisi. I-PUD #65215A inokwenza ukuba izixhobo zangoku zezinto ezinyibilikayo ze-UV ezisekwe kwisinyibilikisi zitshintshele kwizinto ezinyibilikayo ze-UV ezisekwe emanzini ngaphandle kotshintsho oluncinci kumgca wazo wokugquma.
Kwabavelisi abacinga ngokwandisa imveliso, ii-coating ezisekelwe kwi-PUD #65215A ziya kubanceda ukuba:
●Yonga imali ngokusebenzisa umgca omfutshane wokugquma osekelwe emanzini;
● Yiba nomgca omncinci wokugquma kwindawo leyo;
●Inempembelelo encinci kwimvume yangoku ye-VOC;
●Gcina ukonga amandla ngenxa yokuncipha kweemfuno zokomisa.
Ukuqukumbela, i-PUD #65215A iya kunceda ukuphucula ukusebenza kakuhle kokwenziwa kwemigca ye-UV-medical coating lines ngokusebenzisa ukusebenza okuphezulu komzimba kunye neempawu zokukhupha amanzi ngokukhawuleza kwe-resin xa yomiswe kwi-140 °C.
Ixesha lokuthumela: Agasti-14-2024
