Ngwọta UV na-ezo aka na ọgwụgwọ UV na usoro ọgwụgwọ radieshon (nke a na-akpọ ọgwụgwọ UV).Nkà na ụzụ na-agwọ ọrịa radieshon bụ teknụzụ akwụkwọ ndụ akwụkwọ ndụ ọhụrụ, nke na-ezo aka na usoro nke ngwa ngwa polymerization na cross-linking ọgwụgwọ nke usoro mmiri mmiri site na ìhè ultraviolet, ọkụ eletrik na r-ray irradiation.Ọ nwere uru nke ịzọpụta ike, arụmọrụ dị elu, arụmọrụ mkpuchi magburu onwe ya, ịzọpụta gluu, nchekwa na nchekwa gburugburu ebe obibi, nchapụta dị elu, ogologo oge, wdg. Nkume okike n'onwe ya nwere ụfọdụ ntụpọ dị n'ime ya, dị ka olulu, mgbawa, efere na-enweghị isi, wdg. (ma granite na marble dị).
Njirimara usoro ihe owuwu:
1) Ọrụ mkpuchi dị mma: mkpuchi mkpuchi UV nwere arụmọrụ dị mma, gloss dị elu, ike siri ike, yana nguzogide kemịkalụ dị mma.Mee ka mma nrụzi dị mma nke oghere nkume.
2) Nchekwa na nchekwa gburugburu ebe obibi: Ebe ọ bụ na ngwa ngwa ọgwụgwọ UV na-agba ọsọ ngwa ngwa, a na-ebelata ikuku nke ihe mgbaze na ikuku na efu, nke dị nchebe na gburugburu ebe obibi.
Ụkpụrụ usoro:
UV mkpuchi bụ UV curable mkpuchi.Mgbe ihe mkpuchi UV na-agwọta site na ọkụ UV, onye na-ese foto na-ebu ụzọ nweta ume radieshon UV wee rụọ ọrụ.Eletrọn ndị dị n'elu oyi akwa nke ụmụ irighiri ihe ya na-amali elu wee mepụta etiti na-arụ ọrụ n'ime obere oge.Mgbe ahụ, ụlọ ọrụ na-arụ ọrụ na-arụ ọrụ na ìgwè ndị na-adịghị ahụkebe na resin, na-eme ka njikọ abụọ dị na resin na-enye ìhè na-ekpo ọkụ na ihe ndị na-arụ ọrụ diluent ga-akwụsị, na-eme ka mmeghachi omume polymerization na-aga n'ihu, ka ha wee gafee njikọ ibe ha iji mepụta a. ihe nkiri.Ọmụmụ kinetics kemịkalụ na-egosi na usoro nke UV na-agwọ mkpuchi UV bụ polymerization nke radicals free.Mbụ, ogbo photoinitiation;Nke abụọ bụ usoro mmeghachi omume uto nke yinye.N'oge a, ka agbụ ahụ na-aga n'ihu, a ga-ejikọta usoro ahụ ma sie ike n'ime ihe nkiri;The Z post chain radicals zuru oke ngwucha yinye site na njikọta ma ọ bụ enweghị oke.
1. Oligomer
Prepolymer, nke a makwaara dị ka oligomer ma ọ bụ resin, bụ ọkpụkpụ nke gluu UV.Ọ na-ezokarị aka na klaasị polymers molekụla nwere usoro njikọ abụọ na-enweghị nke ọma.Ọ na-emeghachi omume ma na-etolite ahụ na-agwọ ọrịa na-ejikọta ya mgbe mgbasawanye, nke na-enye ihe ndị nwere isi anụ ahụ na kemịkal.Dịka ọmụmaatụ, viscosity, ike nkwụsịtụ, ike ịkwa akwa, isi ike na nnabata.
2. monomer
Monomers, makwaara dị ka reactive diluents, na-abụkarị obere ụmụ irighiri ihe nwere otu ma ọ bụ karịa abụọ agbụ, nke a na-ejikarị emezi viscosity nke usoro na-ekere òkè na polymerization, ma na-enwe mmetụta na polymerization ọnụego na ihe onwunwe Njirimara.Enwere ike kewaa monomers n'ime monomers monofunctional, monomers bifunctional na monomers multifunctional dị ka ogo ọrụ si dị.Monofunctional monomers bara uru iji welie mgbanwe na adhesion nke colloid;Difunctional monomers na multifunctional monomers ọ bụghị nanị na-eme ihe dị ka diluents, kamakwa na-eme ihe dị ka cross-linking agents.Ha nwere mmetụta dị mkpa na ike, ike na ike.
3. Ndị na-ese foto)
Photoinitiators bụ ndị etiti na-arụsi ọrụ ike nke nwere ike ịmịnye ultraviolet ma ọ bụ ìhè a na-ahụ anya ma mepụta polymerization na-amalite ikike site na mgbanwe kemịkalụ.Ha bụ isi akụkụ nke sistemu fotopolymerization ma na-arụ ọrụ dị mkpa na uche (ọnụọgụ ọgwụgwọ) nke usoro ọgwụgwọ UV.Ndị na-ese foto na-agụnye ndị na-ese foto n'efu na cationic photoinitiators, bụ ndị a na-etinye na usoro radical free na usoro cationic n'otu n'otu.
Oge nzipu: Nov-24-2022