Ko te whakamaroke UV me te EB e whakaahua ana i te whakamahinga o te hihi irahiko (EB), te hihi ultraviolet (UV) te mārama kitea rānei hei whakakotahi i te huinga o ngā monomers me ngā oligomers ki runga i te papa. Ka taea te hanga i te rauemi UV me te EB hei waituhi, hei paninga, hei piripiri, hei hua rānei. E mōhiotia ana hoki te tukanga ko te whakamaroke irahiko, te whakamaroke rānei nā te mea he pūtake pūngao hihi a UV me EB. Ko ngā pūtake pūngao mō te whakamaroke UV, mārama kitea rānei ko ngā rama mercury pēhanga waenga, ngā rama xenon pulsed, ngā LED, ngā laser rānei. Ko te EB – he rerekē ki ngā photons o te mārama, e mimitihia ana i te mata o ngā rauemi – he kaha ki te uru mā roto i te matū.
E toru ngā take whakahihiri hei huri ki te hangarau UV me te EB
Te Penapena Pūngao me te Whakapai Ake i te Hua: Nā te mea he kore-whakarewa te nuinga o ngā pūnaha, ā, he iti iho i te hēkona te roa o te whakamahinga, ka nui rawa atu ngā hua ka puta ki te whakataurite ki ngā tikanga paninga tuku iho. He mea noa te tere o te raina tukutuku o te 1,000 ft/min, ā, kua rite tonu te hua mō te whakamātautau me te tuku.
He pai mō ngā papa tairongo: Kāore he wai, he whakarewa rānei i roto i te nuinga o ngā pūnaha. Hei tāpiri, ka taea e te tukanga te whakahaere katoa i te pāmahana whakaora, ā, he mea tino pai mō te whakamahi ki ngā papa tairongo wera.
He pai mō te taiao, he ngāwari hoki ki te whakamahi: Ko ngā hanganga he mea kore-whakarewa, nō reira kāore he āwangawanga mō ngā tukunga me te mura. He hototahi ngā pūnaha whakamahana mārama ki te nuinga o ngā tikanga tono, ā, he iti noa te wāhi e hiahiatia ana. I te nuinga o te wā ka taea te tāuta i ngā rama UV ki ngā raina whakaputa o nāianei.
Ngā Hanganga Rongoā UV me EB
Ko ngā monomer ngā poraka hanga māmā rawa atu hei hanga rauemi rauropi hangai. Ko te monomer ngāwari i ahu mai i te whāngai hinu ko te ethylene. Ko tōna tohu ko: H2C=CH2. Ko te tohu "=" i waenganui i ngā waeine e rua, i ngā ngota rānei o te waro e tohu ana i tētahi pae tauhohe, i te "hononga takirua" rānei, e ai ki ngā tohunga matū. Ko ēnei pae ka taea te tauhohe ki te hanga rauemi matū nui ake, nui ake rānei e kiia nei ko ngā oligomer me ngā polymer.
Ko te pūmua he rōpū o ngā waeine maha (arā, ngā pūmua-) e tāruaruatia ana o te monomer kotahi. Ko te kupu oligomer he kupu motuhake e whakamahia ana hei tohu i aua pūmua ka taea te tauhohe atu hei hanga i tētahi huinga nui o ngā pūmua. Ko ngā pae kore-mākū i runga i ngā oligomer me ngā monomer anake, kāore e tauhohe, e honoa rānei.
Mō te whakaora i te hihi irahiko, ka taunekeneke tika ngā irahiko pūngao teitei ki ngā ngota o te pae kore-mākū hei whakaputa i tētahi ngota tino tauhohe. Mena ka whakamahia te UV, te mārama kitea rānei hei pūtake pūngao, ka tāpirihia he kaiwhakaoho whakaahua ki te ranunga. Ko te kaiwhakaoho whakaahua, ina whakaatuhia ki te mārama, ka whakaputa i ngā rauropi kore utu, i ngā mahi rānei e tīmata ai te hononga whakawhiti i waenga i ngā pae kore-mākū. Ngā wāhanga o te UV me te
Ngā Oligomer: Ko ngā āhuatanga whānui o tētahi paninga, waituhi, piripiri, here rānei e honoa ana e te pūngao hihi ka whakatauhia e ngā oligomer e whakamahia ana i roto i te hanganga. Ko ngā oligomer he pūmua taumaha ngota iti, ko te nuinga o ēnei e ahu mai ana i te acrylation o ngā hanganga rerekē. Mā te acrylation ka tukuna te unsaturation, te rōpū "C=C" rānei ki ngā pito o te oligomer.
Ngā Monomer: Ko ngā Monomer te nuinga o te wā e whakamahia ana hei waimeha hei whakaiti i te matotoru o te rauemi kāore anō kia whakamaroketia kia māmā ake ai te tono. Ka taea te mahi kotahi, kei roto ko te kotahi anake te rōpū tauhohe, te pae kore-mākukū rānei, te maha-mahi rānei. Mā tēnei kore-mākukū ka taea e rātou te tauhohe me te whakauru ki roto i te rauemi kua whakamaroketia, kua oti rānei, kaua e memeha ki te hau e ai ki ngā paninga tikanga. Nā te mea e rua, neke atu rānei ngā pae tauhohe o ngā monomer maha-mahi, ka hono i waenga i ngā ngota oligomer me ētahi atu monomer i roto i te hanganga.
Ngā Kaiwhakaoho Whakaahua: Ka mimiti tēnei matū i te mārama, ā, koia te kawenga mō te whakaputa i ngā rauropi kore utu, ngā mahi rānei. Ko ngā rauropi kore utu, ngā mahi rānei, he momo pūngao nui e whakaoho ana i te hononga i waenga i ngā pae kore-mākū o ngā monomer, ngā oligomer me ngā polymer. Kāore e hiahiatia ngā kaiwhakaoho whakaahua mō ngā pūnaha whakamaroke hihi irahiko nā te mea ka taea e ngā irahiko te tīmata i te hononga whakawhiti.
Ngā Tāpiri: Ko ngā mea tino noa ko ngā mea whakau, e ārai ana i te whakapūmau i te wā e rongoatia ana, me te whakapakeke wawe hoki nā te iti o te māramatanga. Ko ngā tae tae, ngā tae, ngā mea whakakore pahuka, ngā kaiwhakatairanga piri, ngā mea whakatārewatanga, ngā mea whakamakuku me ngā mea āwhina paheke he tauira o ētahi atu tāpiri.
Wā tuku: Hanuere-01-2025
