Kurapa kweUV & EB kunowanzo tsanangura kushandiswa kwerekitironi danda (EB), ultraviolet (UV) kana mwenje unooneka kuita polymerize musanganiswa wemamonomers uye oligomers pane substrate. Iyo UV & EB zvinhu zvinogona kugadzirwa kuita inki, coating, adhesive kana chimwe chigadzirwa. Maitiro aya anozivikanwawo sekurapa kwemwaranzi kana radcure nekuti UV uye EB inopenya magetsi masosi. Iwo magetsi masosi eUV kana anooneka mwenje kurapwa anowanzo yepakati kudzvanywa mercury marambi, pulsed xenon marambi, maLED kana lasers. EB-kusiyana nemafotoni echiedza, ayo anowanzo kunyudzwa zvakanyanya pamusoro pezvinhu-inokwanisa kupinda nemuzvinhu.
Zvikonzero Zvitatu Zvinomanikidza Kushandura kuUV & EB Tekinoroji
Kuchengetedza Kwesimba uye Kuvandudzwa Kwekubudirira: Sezvo akawanda masisitimu asina solvent-uye achida isingasviki sekondi yekuratidzwa, zvibereko zvekugadzira zvinogona kunge zvakakura zvichienzaniswa nemaitiro akajairwa ekuputira. Webhu mutsetse kumhanya kwe1,000 ft/min. zvakajairika uye chigadzirwa chinobva chagadzirira kuongororwa uye kutumirwa.
Yakakodzera Sensitive Substrates: Mazhinji masisitimu haana chero mvura kana solvent. Uye zvakare, maitiro acho anopa kutonga kwakazara kweyekurapa tembiricha ichiita kuti ive yakanakira kunyorera pane inodziya substrates.
Zvakatipoteredza uye Nemushandisi Hushamwari: Maumbirwo anowanzo kunyungudika-isina saka kuburitsa uye kupisa hakusi kunetseka. Chiedza chekurapa masisitimu anowirirana neanenge ese ekushandisa matekiniki uye anoda hushoma hwenzvimbo. Marambi eUV anogona kazhinji kuiswa pamitsetse yekugadzira iripo.
UV & EB Inorapika Maumbirwo
Monomers ndiyo yakapfava zvidhinha zvekuvaka kubva kubva pakugadzira organic zvinhu. A simple monomer inotorwa kubva mupetroleum feed is ethylene. Inomiririrwa ne: H2C=CH2. Chiratidzo "=" pakati pemayuniti maviri kana maatomu ecarbon anomiririra saiti inoshanda kana, sekureva kunoita chemist kwairi, "double bond" kana unsaturation. Iwo mawebhusaiti akaita seaya anokwanisa kuita kuti aumbe hombe kana hombe kemikari zvinhu zvinonzi oligomers nemapolima.
Polima iboka rezvizhinji (kureva poly-) kudzokorora zvikamu zvemonomeri imwechete. Izwi rekuti oligomer ishoko rakakosha rinoshandiswa kuratidza iwo mapolymer ayo anowanzo kwanisa kuitwa zvakare kuita musanganiswa mukuru wemapolima. Iyo unsaturation saiti pane oligomers uye monomers chete haizoitike kuita kana kuyambuka.
Panyaya yekurapa maerekitironi beam, maerekitironi ane simba guru anodyidzana nemaatomu enzvimbo isina unsaturated kuti abudise more reactive molecule. Kana UV kana chiedza chinooneka chikashandiswa sesimba sosi, photoinitiator inowedzerwa kumusanganiswa. Iyo photoinitiator, kana yaiswa pachiedza, inogadzira mahara radical kana zviito zvinotanga kuyambuka pakati peiyo unsaturation saiti.ponents yeUV & ude.
Oligomers: Izvo zvese zvimiro zvechero coating, inki, adhesive kana binder yakachinjika neinopenya simba inotemerwa zvakanyanya nemaoligomers anoshandiswa mukugadzira. MaOligomers ane mwero akaderera mamorekuru huremu mapolymer, mazhinji acho akavakirwa pane acrylation yezvimiro zvakasiyana. Iyo acrylation inopa unsaturation kana "C = C" boka kusvika kumigumo ye oligomer.
Monomers: Monomers anonyanya kushandiswa se diluent kudzikisa viscosity yezvinhu zvisina kupora kufambisa kushandiswa. Anogona kunge ari monofunctional, ane rimwe chete reactive boka kana unsaturation saiti, kana multifunctional. Uku kusaturudzwa kunovabvumira kuita uye kubatanidzwa mune zvakaporeswa kana kuti zvakapedzwa, pane kuvhuvhuta mumhepo sezvakajairwa nemachira akajairwa. Multifunctional monomers, nekuti iwo ane maviri kana anopfuura reactive masayiti, gadzira zvinongedzo pakati peoligomer mamorekuru uye mamwe mamonomers mukugadzira.
Photoinitiators: Ichi chinongedzo chinotora mwenje uye chinokonzeresa kugadzirwa kwemahara radicals kana zviito. Mahara radicals kana zviito akakwira simba mhando dzinokonzera kuyambuka pakati peiyo unsaturation nzvimbo dzemonomers, oligomers uye mapolymers. Mafotoinitiators haadiwe kune erekitironi beam akarapwa masisitimu nekuti maerekitironi anokwanisa kutanga kuyambuka.
Additives:Iyo inonyanyozivikanwa ndeye stabilizers, iyo inodzivirira gelation mukuchengetedza uye kurapa nguva isati yakwana nekuda kwekuderera kwemwenje kuratidzwa. Color pigment, dhayi, defoamers, adhesion promotions, flatting agents, wetting agents uye slip aids mienzaniso yezvimwe zvinowedzera.
Nguva yekutumira: Jan-01-2025
