Kupfeka kwemvuraimhando hombe yetekinoroji yekupfeka inoshandiswa pasi rose uye inotarisirwa kuramba ichikura sechikamu chemusika wese wekupfeka. Pakazosvika 2022, iyosaizi yemusika wepasi roseyemabhandi emvura anotarisirwa kudarika $146 bhiriyoni USD. Kukura muchikamu chikuru kunokonzerwa nekuwedzera vhoriyamu mukuvaka uye misika yemotokari neacrylicskuve iyo yakakura imwe mhando yemvura inotakura resin system inomiririra pamusoro pe80% yemusika wese wemvura.

Iyi iAthena.MIT-IVY INDUSTRY inonyanya kuita pendi yemvura-yakavakirwa mumaindasitiri, ndinoziva kuti unoda mhando yakanaka, mutengo wakachipa uye zvigadzirwa zvekutsigira zvehunyanzvi, isu tine ISO certification, kunyanya chigadzirwa katalogi nemutengo. Isu tinongotenda mumhando yepamusoro,

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Kutyaira masimbanokuda kwekuwedzera kushandiswa kwemvura yakavharidzirwa inosanganisira:

• Lower VOC
• Kureruka kwekuchenesa muzviitiko zvakawanda
• Kuderera kwengozi yemoto
• Mari yeinishuwarenzi yakaderera
• Lower simba kushandiswayakabikwa coatingsnekuda kwekudiwa kwevheni shoma kugadzira mweya
• Kudiwa kwekuderera kwemazinga epeturu-based materials.

SaMay, 2014 Prospector chinyorwa paKuyerera, Kukwirisa uye Viscosity Kudzora muMvura-Yakavakirwa Coatingsinoratidza, iwo maviri makuru makirasi ekuputira nemvura anosanganisiramvura-inoderedzwauyelatex, nehuwandu hwemabhachi akabikwa achiwira muchikamu chekutanga aine akawanda ezvivakwa zvekuvaka zviri zvechikamu chechipiri. Izwi rokutimvura-inoderedzwainoshandiswa kune resin inogadzirwa mu solvent uye yakaderedzwa mumvura kuti iite kupararira kweresin mumvura.Latexresin kune rumwe rutivi inogadzirwa ne emulsion polymerization mumvura.

Kuipa kwekushandiswa kwemvura yakavharwa kunosanganisira:

• Kunyanya kutsamira pachiyero chekubuda kwemvura pane hunyoro hunoenderana
• Kupisa kwakanyanya kwekubuda kwemvura kunoda 2260 J/g pamvura uye semuenzaniso chete 373 J/g2-butoxyethanol, inowanzoshandiswacosolvent
• Nonlinear viscosity yekudzikisa curve yekuvhara uchishandisa mvura inodzika resins
• Kunyanya kuvimba nekuyerera uye kutaridzika pane hunyoro hunoenderana
• Kukwirira kwepamusoro pemvura (kunyorova wetting) kunoda kuwedzerwa kwesurfactantsiyo muzviitiko zvakawanda inokanganisa kubva mukunyorova
• Mabhachi anotorwa nemvura anonyanya kuita ngura kudarika mabhachi anonyunguduka saka anoda midziyo ine mitsetse, mapurasitiki kana simbi isina ngura kuti isaita ngura.
• Mabhandi emvura anowanzo pinda mumabikirwo ekubikwa kwefirimu kunotanga kuitika mvura isati yabuda mufirimu (ona Tafura I)

Nekudaro kuenderera mberi kufambira mberi mune zvesainzi zvinosanganisira hunyanzvi mune resin chemistry, surfactants,wetting agentsuyekuyerera vamiriririzvichabatsira kugonesa kuenderera mberi kwekukura kwekuputira nemvura.

Mufananidzo I unomiririra matanho akasiyana-siyana mukuomeswa kwelatex yakavakirwa pendi system. Danho rekutanga rinosanganisira kubuda kwemvura. Danho rechipiri rinosanganisira kuenderera mberi kwekushanduka kwemvura uye cosolvent kusvika pakubata kwe latex particles uye inotanga kubatana kuumba firimu rinenge raoma.

Danho rekupedzisira rinosanganisira kuenderera mberi kwekubatana uye kurapwa (mune crosslinked system) kugadzira firimu rependi rakapora, rakaoma rinonamatira.

Imwe yeakakosha mafungidziro mukushandiswa kwemvura yekupfeka ibasa rekuwedzera iro humidity mukuwedzera kune tembiricha inotamba mukushandisa uye kurapwa kweaya machira. Semuenzaniso, kupa zvivakwa zvinogamuchirika zvekushandisa, zvese tembiricha uye hunyoro hunofanirwa kudzorwa nekuchenjerera sezvakaratidzwa mumufananidzo II. Mhedzisiro yehumidity pamajasi ane mvura-organic solvent haigone kuregererwa.

Semuenzaniso, chiyero che evaporation (E) chemvura pa 0 - 5% RH pa 25 ° C i 0.31, asi pa 100% RH iyo E ndeye 0. E ye 2-butoxyethanol, cosolvent inowanzoshandiswa, i 0.077. Pazasi RH, mvura inoputika nekukurumidza uye nokudaro chiyero che2-butoxyethanol kumvura chinowedzera; reverse ichokwadi pakunyorova kwepamusoro.

Kana mabhanhire emvura akaiswa, kana hunyoro husina hanya, mutsauko wezvivakwa zvekushandisa uye chitarisiko zvinozoguma. Semuyenzaniso kana tembiricha pagore rekushandisa iri 70° – 80° F, kuoma kwemvura (kurasikirwa kwekuyerera) kunoguma nemwedzi yechando nekuda kwekuderera kwehunyoro kunyanya munzvimbo dzinotonhora uye kuyerera kwakanyanya kuchaonekwa mumwedzi yezhizha (kunyorova kwepamusoro) . Muenzaniso wemamiriro ezvinhu akazotevera ndewekuti panenge pa65% Relative Humidity/25 °C, chifukidziro chemvura chine 10.6% 2-butoxyethanol yezvinoputika, chiyero chekubuda kwemvura uye 2-butoxyethanol yakaenzana. Hunyoro hwehukama uhu hunonzi Critical Relative Humidity.

Mufananidzo II Kutsamira Kwekushandisa kweMvura Coatings pane Humidity uye Tembiricha.

Tafura I inotaridza kutsamira kwakawedzera kwemajasi emvura pakubuda pahukobvu hwakasiyana hwemafirimu kana ichienzaniswa nemabhachi anonyungudika.

Tafura I Yakakosha Firimu Hukobvu hwePopping muMicrons, Organic Coatings, Wiley-Interscience, 2007, Zeno W. Wicks Jr., Frank N. Jones, S. Peter Pappas, Douglas A. Wicks

Kupfeka kwemvura kunosanganisira dzakasiyana siyana dzemhando dzeresin dzakadai seacrylic,alkyd,urethane,polyester,epoxy,fluoropolymer, hupfu hwemvura pamwe nekurapa chemistries kusanganisiraUV kurapwa,aminoplasturethane,epoxy-polyamide,oxidativeuyemhepo yakaoma thermoplasticmhando. Sezvinoratidzwa Tafura II, saizi yechidimbu uye chidimbu chekuvaka (semuenzaniso core shell) inobatsirawo kune yekupedzisira firimu zvimiro zvejasi. Muchidimbu, kana nyaya dzakasiyana-siyana dzine chokuita nekushandiswa kwemvura yakavharidzirwa yakanyatsofungidzirwa inopa kushanda kwakanakisisa mumhando dzakasiyana-siyana dzekushandisa.

Tafura II - Hunhu hweMvura Yakasiyana-siyana Yakavakirwa Resins

Prospector inonyora nhamba yevatengesi vemvura inoyerera, ma surfactants, wetting uye kuyerera maajenti kuti asangane nezvakasiyana zvinodiwa.

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Tel /whatsapp/telegram: 008613805212761     ceo@mit-ivy.com

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