Tekinoroji yo gukiza yoroheje nuburyo bukora neza, kurengera ibidukikije, kuzigama ingufu hamwe nubuhanga buhanitse bwo hejuru.Azwi nkikoranabuhanga rishya ryinganda zicyatsi mu kinyejana cya 21.Hamwe niterambere ryubumenyi nubuhanga, ikoreshwa ryikoranabuhanga ryo gukiza urumuri ryateye imbere kuva ku kibaho cya mbere cyacapwe hamwe no gufotora kugeza ku mucyo ukiza, wino hamwe n’ibiti.Umwanya wo gusaba wagutse kandi ushinga inganda nshya.
Ibicuruzwa bikiza cyane UV bivura ni UV, inkingi za UV hamwe na UV.Ikintu kinini kiranga nuko bafite igipimo cyo gukira byihuse, mubisanzwe hagati yamasegonda make namasegonda mirongo.Byihuta birashobora gukira muri 0.05 ~ 0.1s.Nibyuma byihuta kandi bikiza mubitambaro bitandukanye, wino hamwe nibifata muri iki gihe.
Gukiza UV ni UV ikiza.UV ni impfunyapfunyo yicyongereza ya UV.Gukira bivuga inzira yo guhindura ibintu kuva kuri molekile nkeya kuri polymers.Gukiza UV muri rusange bivuga uburyo bwo gukiza cyangwa ibisabwa byo gutwikisha (amarangi), wino, ibifunga (kole) cyangwa ibindi bifunga inkono bigomba gukizwa na UV, bitandukanye no gukiza ubushyuhe, umukozi uhuza (agent wa curing) gukiza, bisanzwe gukiza, n'ibindi [1].
Ibice byibanze byibicuruzwa bikiza birimo oligomers, diluents ikora, fotinitiator, inyongeramusaruro nibindi.Oligomer numubiri wingenzi wibicuruzwa bivura UV, kandi imikorere yabyo ahanini igena imikorere yingenzi yibikoresho byakize.Kubwibyo, guhitamo no gushushanya oligomer ntagushidikanya ni ihuriro ryingenzi mugutegura UV ikiza.
Icyo aba oligomers bahurizaho nuko bose bafite "Ibisigarira bituzuye byuzuye byashyizwe kumurongo ukurikije igipimo cya reaction ya polymerisation yubusa: acryloyloxy> Methacryloyloxy> vinyl> allyl.Kubwibyo, oligomers ikoreshwa mugukiza urumuri rwubusa ni ubwoko bwose bwibisigisigi bya acrylic, nka epoxy acrylate, polyurethane acrylate, polyester acrylate, polyether acrylate, acrylate resin cyangwa vinyl resin, na epoxy acrylate nicyo gikoreshwa cyane muri Acrylic resin, polyurethane. acrylic resin na polyester acrylic resin.Ibisigarira bitatu byerekanwe muri make hepfo.
Epoxy acrylate niyo ikoreshwa cyane kandi ikoreshwa nurumuri rukiza oligomer.Yateguwe kuva epoxy resin na (meth) acrylate.Epoxy acrylate irashobora kugabanwa muri bisphenol Apoxy acrylate, fenolike epoxy acrylate, yahinduwe na epoxy acrylate na epoxidated acrylate ukurikije ubwoko bwimiterere.Bisphenol Apoxy acrylate niyo ikoreshwa cyane.Bisphenol Apoxy acrylate ni imwe muri oligomers ifite umuvuduko ukiza wihuse.Filime yakize ifite ubukana bwinshi, ububengerane bwinshi, imiti irwanya imiti, irwanya ubushyuhe bwiza hamwe n’amashanyarazi.Byongeye, bispenol A ogisijeni yo guhanahana acrylate ifite formulaire yibikoresho byoroshye nigiciro gito.Kubwibyo, ikunze gukoreshwa nkibisigarira nyamukuru byimpapuro zikiza urumuri, ibiti, plastiki nicyuma, hamwe nubutaka nyamukuru bwa wino ikiza yumucyo hamwe nigiti gifata urumuri.
Polyurethane acrylate
Polyurethane acrylate (PUA) nundi mucyo wingenzi ukiza oligomer.Ihindurwamo nintambwe ebyiri reaction ya polyisocyanate, diol-ndende ya diol na hydroxyl acrylate.Bitewe nuburyo bwinshi bwa polyisocyanates hamwe na diol-ndende ndende, oligomers ifite imiterere yashizwemo ikomatanyirizwa muburyo bwa molekile.Kubwibyo, ni oligomers hamwe nibirango byibicuruzwa byinshi muri iki gihe, kandi bikoreshwa cyane mugukiza urumuri rworoshye, wino hamwe nugufata.
Polyester Acrylate
Polyester acrylate (PEA) nayo ni oligomer isanzwe.Itegurwa na acrylate yuburemere buke bwa molekile polyester glycol.Polyester acrylate irangwa nigiciro gito nubukonje buke.Bitewe n'ubukonje buke, polyester acrylate irashobora gukoreshwa nka oligomer hamwe na diluent ikora.Byongeye kandi, polyester acrylates ahanini ifite impumuro nke, kurakara gake, guhinduka neza hamwe no guhindagurika kwa pigment, kandi birakwiriye kurangi ryamabara na wino.Kugirango tunoze igipimo kinini cyo gukira, hategurwa polyester acrylate ikora cyane;Amine yahinduwe na polyester acrylate ntishobora kugabanya gusa ingaruka zo kubuza ogisijeni polymerisiyasi no kunoza igipimo cyo gukira, ariko kandi inanonosora imiterere, gloss hamwe no kwambara.
Imikorere ikora mubisanzwe irimo amatsinda akora, ashobora gushonga no kugabanya oligomeri, kandi akagira uruhare runini mugukiza urumuri hamwe na firime.Ukurikije umubare wamatsinda yibikorwa arimo, imiyoboro isanzwe ikora harimo isodecyl acrylate, lauryl acrylate, hydroxyethyl methacrylate, glycidyl methacrylate, nibindi;Imikorere ikora neza irimo polyethylene glycol diacrylate ikurikirana, dipropylene glycol diacrylate, neopentyl glycol diacrylate, nibindi;Imikorere myinshi ikora nka trimethylolpropane triacrylate, nibindi.
Initiator ifite uruhare runini ku gipimo cyo gukiza ibicuruzwa bivura UV.Muri UV ikiza ibicuruzwa, umubare wongeyeho fotoinitiator ni 3% ~ 5%.Mubyongeyeho, pigment ninyongeramusaruro nabyo bigira ingaruka zikomeye kumiterere yanyuma yibicuruzwa byakize UV.
Igihe cyo kohereza: Apr-20-2022