Nkà na ụzụ na-agwọ ọkụ bụ ọrụ dị elu, nchebe gburugburu ebe obibi, nchekwa ike na nkà na ụzụ elu ihe dị elu.A maara ya dị ka nkà na ụzụ ọhụrụ maka ụlọ ọrụ akwụkwọ ndụ akwụkwọ ndụ na narị afọ nke 21.Site na mmepe nke sayensị na teknụzụ, ngwa nke teknụzụ ọgwụgwọ ọkụ amalitela site na bọọdụ mbụ ebipụtara na fotoresis na mkpuchi mkpuchi ọkụ, ink na nrapado.Mpaghara ngwa a na-agbasawanye ma guzobe ụlọ ọrụ ọhụrụ.
Ngwaahịa ọgwụgwọ UV na-ahụkarị bụ mkpuchi UV, ink UV na nrapado UV.Ihe kachasi ha ike bụ na ha nwere ọnụ ahịa ọgwụgwọ ngwa ngwa, n'ozuzu n'etiti sekọnd ole na ole na iri nke sekọnd.Enwere ike gwọọ ngwa ngwa na 0.05 ~ 0.1s.Ha bụ ihicha na ọgwụgwọ ngwa ngwa n'etiti mkpuchi dị iche iche, ink na nrapado ugbu a.
Ngwọta UV bụ ọgwụgwọ UV.UV bụ ndebiri Bekee nke UV.Ngwọta na-ezo aka na usoro nke ịgbanwe ihe site na obere ụmụ irighiri ihe gaa na polymers.Ngwọta UV n'ozuzu na-ezo aka na ọnọdụ ọgwụgwọ ma ọ bụ ihe achọrọ nke mkpuchi (agba), ink, adhesives (glues) ma ọ bụ ihe mkpuchi ite ndị ọzọ dị mkpa ka UV gwọọ ya, nke dị iche na ọgwụgwọ kpo oku, onye na-ejikọta ya (onye na-agwọ ọrịa) ọgwụgwọ, eke. ọgwụgwọ, wdg. [1].
Ihe ndị bụ isi nke ngwaahịa ọgwụgwọ ọkụ gụnyere oligomers, diluents na-arụ ọrụ, photoinitiators, ihe mgbakwunye na ihe ndị ọzọ.Oligomer bụ ihe bụ isi nke ngwaahịa ọgwụgwọ UV, yana arụmọrụ ya na-ekpebi isi ọrụ nke ihe a gwọrọ.Ya mere, nhọrọ na imewe nke oligomer bụ ihe ịrụ ụka adịghị ya na njikọ dị mkpa na nhazi nke ngwaahịa ọgwụgwọ UV.
Ihe ndị oligomers a na-enwekarị bụ na ha niile nwere "A na-ahọrọ resins abụọ na-adịghị mma dịka mmeghachi omume nke polymerization radical free: acryloyloxy> Methacryloyloxy> vinyl> allyl.Ya mere, ndị oligomers eji na free radical ìhè ọgwụgwọ bụ tumadi ụdị ọ bụla nke acrylic resins, dị ka epoxy acrylate, polyurethane acrylate, polyester acrylate, polyether acrylate, acrylate resin ma ọ bụ vinyl resin, na epoxy acrylate bụ nke a na-ejikarị acrylic resin, polyurethane. acrylic resin na polyester acrylic resin.A na-ewebata resin atọ ndị a nkenke n'okpuru.
Epoxy acrylate bụ ihe a na-ejikarị na-agwọ ọrịa oligomer.A na-akwado ya site na resin epoxy na (meth) acrylate.Enwere ike kewaa Epoxy acrylate ka ọ bụrụ bisphenol A epoxy acrylate, phenolic epoxy acrylate, gbanwetụrụ epoxy acrylate na epoxidated acrylate dịka ụdị nhazi ahụ siri dị.Bisphenol A epoxy acrylate bụ nke a na-ejikarị eme ihe.Bisphenol A epoxy acrylate bụ otu n'ime oligomer nwere ọnụego ọgwụgwọ ọkụ kachasị ọsọ.Ihe nkiri a gwọrọ nwere ike siri ike, nnukwu gloss, nguzogide kemịkalụ dị mma, ezigbo ọkụ ọkụ na ihe ọkụ eletrik.Na mgbakwunye, bisphenol A oxygen Exchange acrylate nwere usoro akụrụngwa dị mfe yana ọnụ ala dị ala.Ya mere, a na-ejikarị ya eme ihe dị ka isi resin nke akwụkwọ ọkụ ọkụ, osisi, plastic na metal coatings, nakwa dị ka isi resin nke ìhè na-agwọ ink na ìhè agwọ nrapado.
Polyurethane acrylate
Polyurethane acrylate (PUA) bụ ihe ọzọ dị mkpa ọkụ na-agwọ oligomer.A na-emepụta ya site na mmeghachi omume nzọụkwụ abụọ nke polyisocyanate, diol ogologo ogologo na hydroxyl acrylate.N'ihi ọtụtụ ihe owuwu nke polyisocyanates na ogologo agbụ diols, oligomers nwere ihe ndị a na-eme ka a na-emepụta site na imepụta ihe omimi.Ya mere, ha bụ oligomers nwere ụdị ngwaahịa kachasị mma ugbu a, a na-ejikwa ya na mkpuchi ọkụ, inks na adhesives.
Polyester Acrylate
Polyester acrylate (PEA) bụkwa oligomer nkịtị.A na-akwado ya site na acrylate nke polyester glycol dị arọ dị ala.A na-eji polyester acrylate mara ọnụ ahịa dị ala na obere viscosity.N'ihi obere viscosity ya, a pụrụ iji polyester acrylate mee ihe dị ka ma oligomer na diluent na-arụ ọrụ.Na mgbakwunye, polyester acrylates na-enwekarị ísì dị ala, mgbakasị ahụ dị ala, mgbanwe dị mma na wettability pigmenti, dịkwa mma maka agba agba na inks.Iji meziwanye ọnụego ọgwụgwọ dị elu, enwere ike ịkwadebe polyester acrylate multifunctional;Amine modified polyester acrylate nwere ike ọ bụghị naanị ibelata mmetụta nke mgbochi polymerization oxygen ma melite ọnụego ọgwụgwọ, kamakwa melite nrapado, gloss na eyi nguzogide.
Ihe na-eme ihe na-arụ ọrụ na-enwekarị ìgwè ndị na-emeghachi omume, nke nwere ike igbari ma na-atụgharị oligomer, ma na-arụ ọrụ dị mkpa na usoro ọgwụgwọ ọkụ na ihe nkiri.Dị ka ọnụ ọgụgụ nke reactive ìgwè dị n'ime, nkịtị monofunctional arụ ọrụ diluents gụnyere isodecyl acrylate, lauryl acrylate, hydroxyethyl methacrylate, glycidyl methacrylate, wdg;Ihe na-arụ ọrụ na-arụ ọrụ na-agụnye polyethylene glycol diacrylate series, dipropylene glycol diacrylate, neopentyl glycol diacrylate, wdg;Ihe mgbaze na-arụ ọrụ dị iche iche dị ka trimethylolpropane triacrylate, wdg.
Onye mbido nwere mmetụta dị mkpa na ọnụọgụ ọgwụgwọ nke ngwaahịa UV.Na ngwaahịa ọgwụgwọ UV, ego mgbakwunye nke photoinitiator bụ n'ozuzu 3% ~ 5%.Na mgbakwunye, pigmenti na ihe mgbakwunye na-enwekwa mmetụta dị mkpa na njirimara ikpeazụ nke ngwaahịa UV gwọrọ.
Oge nzipu: Eprel-20-2022