UV ke mofuta oa ho roala o ka phekolehang ka potlako filiming ka metsotsoana e seng mekae tlas'a mahlaseli a mahlaseli a kotsi (UV).Ho roala ha UV ho phuthoa le ho fafatsoa ka boto ea thepa ea ka tlung ka mochini le lisebelisoa.Tlas'a mahlaseli a khanya ea ultraviolet, e khothalletsa ho bola ha initiator, e hlahisa li-radicals tsa mahala, e etsa hore resin e arabe, 'me hang-hang e tiee filimi ntle le ho qhibiliha ha solvent.Ka hona, e sebetsa hantle, e tala ebile e na le tikoloho.
Tlas'a mokhoa o akaretsang oa hydration, liaparo tsa UV tse nang le metsi li sebelisoa ka katleho ka lehong, polasetiki, khatiso, lik'hemik'hale tsa letsatsi le letsatsi le masimo a mang ka lebaka la botsoalle ba bona ba tikoloho le botsoalle ba kaho.Lisebelisoa tse tala li phetha karolo ea bohlokoa.Tlhahiso e tsoelang pele ea ts'ebetso, litšoaneleho le litharollo tsa ts'ebeliso ea liaparo tse nang le metsi li khothalletsa ts'ebetso ea resin hydration.
1 epoxy acrylate / polyurethane acrylate composite system
Photosensitive oligomer ke karolo e ka sehloohong ea resin e phekotsoeng ea UV, e khethollang thepa ea mantlha ea resin e phekotsoeng.Mefuta eohle ea li-resin tsa matrix li na le melemo ea tsona e ke keng ea nkeloa sebaka, empa li tla ba le liphoso.Ka mohlala, filimi ea epoxy resin e thehiloeng ho folisa e na le boima bo phahameng, ho khomarela hantle, ho benya ho phahameng le ho hanyetsa lik'hemik'hale tse babatsehang, empa e na le bothata ba ho feto-fetoha ha maemo.Mohlala o mong ke hore resin e thehiloeng ho polyurethane e na le thepa e ntle joalo ka ho hanyetsa ho roala le ho itoanela, empa ho hanyetsa boemo ba leholimo ha hoa lekana.Bafuputsi ba sebelisa mekhoa ea ho kopanya kapa ea lebasetere ho kopanya tse peli, e le ho koala khaello ea resin e le 'ngoe le ho theha sistimi e nang le litšobotsi tse ntle ka bobeli.
2 dendritic kapa hyperbranched system
Li-dendrimers tse phekolehang tsa UV kapa li-oligomer tse nang le li-hyperbranched ke mofuta o mocha oa li-polymer tse nang le sebopeho sa spherical kapa dendritic mme ha ho na setsoalle lipakeng tsa liketane tsa limolek'hule.Ho feta moo, sebopeho sa polymer se nang le makala haholo se na le palo e kholo ea lihlopha tsa ho qetela tse sebetsang.Lihlopha tsena tsa ho qetela tse sebetsang li fetotsoe ho lokisa thepa ea polymer le ho e sebelisa libakeng tse itseng.Ha li bapisoa le li-polymers tse nang le mela e lekanang le boima ba limolek'hule, li-oligomers tse nang le li-hyperbranched li na le thepa e babatsehang e kang sebaka se tlaase sa ho qhibiliha, viscosity e tlaase, ho qhibiliha habonolo le ho sebetsa hape ho phahameng.Ke lisebelisoa tse loketseng bakeng sa khanya ea metsi e folisang li-resin tsa matrix.Polyester e entsoeng ka metsi e nang le metsi e entsoeng ka polyhydroxy functional aliphatic polyester kaha motheo o ka fokotsa metsi a ho hlapolla 'me o bonts'a phello e ntle ea ho fokotsa li-viscosity ka lebaka la ho qhibiliha ha metsi hantle le ho fokotseha ha viscosity.
3 epoxy soya oli acrylate
Oli ea soya ea epoxy e na le melemo ea litšenyehelo tse tlase, ts'ireletso ea tikoloho, ketane e telele ea limolek'hule le boima bo leka-lekaneng ba ho kopanya.E ka ntlafatsa haholo ho feto-fetoha ha maemo le ho khomarela ho roala.Lilemong tsa morao tjena, e fetohile sebaka sa ho etsa lipatlisiso lefapheng la ho roala lapeng le linaheng tse ling.Liphihlello tse ntle li entsoe ka oli ea epoxy soybean acrylate le oli e fetotsoeng ea epoxy soybean acrylate UV e sa foleng e sa foleng ea mahlaseli a kotsi Chaena.Khamphani ea Cub United States e entse tlhahiso ea khoebo, joalo ka ebercy860.Mokhoa oa ho kopanya oa epoxy soybean oil acrylate hangata ke mokhoa oa ho fetola semi ester, e leng ho matlafatsa oli ea soya ea epoxy ka acrylic acid.
Nako ea poso: May-25-2022