Hōʻike maʻamau ka hoʻōla ʻana o UV & EB i ka hoʻohana ʻana i ka electron beam (EB), ultraviolet (UV) a i ʻole ke kukui ʻike ʻia e polymerize i ka hui ʻana o nā monomers a me nā oligomers ma luna o kahi substrate. Hiki ke hoʻopili ʻia ka mea UV & EB i kahi inika, ka uhi, adhesive a i ʻole nā huahana ʻē aʻe. Ua ʻike ʻia ke kaʻina hana he radiation curing a i ʻole radicure no ka mea ʻo UV a me EB nā kumu ikehu. ʻO nā kumu ikehu no ka UV a i ʻole ka mālama kukui ʻike ʻia he mau kukui mercury kaomi maʻamau, nā kukui xenon pulsed, nā LED a i ʻole nā lasers. EB–ʻaʻole like me nā kiʻi kiʻi o ka māmā, ka mea e hoʻopili nui ʻia ma ka ʻili o nā mea-he hiki ke komo i loko o ka mea.
ʻEkolu mau kumu koʻikoʻi e hoʻohuli i ka ʻenehana UV & EB
ʻO ka mālama ʻana i ka ikehu a me ka hoʻonui ʻana i ka huahana: No ka mea ʻo ka hapa nui o nā ʻōnaehana he solvent-free a koi ʻia ma mua o hoʻokahi kekona o ka hoʻolaha ʻana, ʻoi aku ka nui o ka loaʻa ʻana o ka huahana i hoʻohālikelike ʻia me nā ʻenehana uhi maʻamau. Ka wikiwiki o ka laina pūnaewele o 1,000 ft/min. mea maʻamau a mākaukau koke ka huahana no ka hoʻāʻo ʻana a me ka hoʻouna ʻana.
Ua kūpono no nā Substrate Sensitive: ʻAʻohe wai a i ʻole ka solvent ka hapa nui o nā ʻōnaehana. Eia kekahi, hāʻawi ke kaʻina hana i ka mana holoʻokoʻa o ka mahana hoʻōla i kūpono ia no ka noi ʻana ma nā substrate wela.
Kaiapuni a me ka mea hoʻohana Friendly: ʻAʻole pilikia nā haku mele no laila ʻaʻole pilikia ka hoʻokuʻu ʻana a me ka flammability. Ua kūpono nā ʻōnaehana hoʻōla māmā me nā ʻenehana noi a pau a pono ka liʻiliʻi o ka lumi. Hiki ke hoʻokomo pinepine ʻia nā kukui UV ma nā laina hana e kū nei.
UV & EB Hiki ke ho'ōla 'ia
ʻO nā Monomers nā poloka hale maʻalahi loa kahi i hana ʻia ai nā mea kūlohelohe synthetic. ʻO kahi monomer maʻalahi i loaʻa mai ka ʻai aila he ethylene. Hōʻike ʻia e: H2C=CH2. ʻO ka hōʻailona “=” ma waena o nā ʻāpana ʻelua a i ʻole nā mana o ke kalapona e hōʻike ana i kahi pae hoʻihoʻi a i ʻole, e like me ka ʻōlelo ʻana a nā mea kemika, he "paʻa pālua" a i ʻole ka hauʻoli. ʻO ia nā pūnaewele e like me kēia e hiki ai ke hoʻololi i ka hana ʻana i nā mea kemika nui a nui aʻe paha i kapa ʻia he oligomers a me nā polymers.
ʻO ka polymer ka hui ʻana o nā ʻāpana he nui (ʻo ia hoʻi ka poly-) o ka monomer hoʻokahi. ʻO ka huaʻōlelo oligomer kahi huaʻōlelo kūikawā i hoʻohana ʻia e koho i kēlā mau polymers i hiki ke hana hou ʻia e hana i kahi hui nui o nā polymers. ʻAʻole e loaʻa i nā wahi unsaturation ma nā oligomers a me nā monomer wale nō ka hopena a i ʻole ka crosslinking.
Ma ka hihia o ka ho'ōla kukuna electron, pili pono nā electron ikehu kiʻekiʻe me nā ʻātoma o ka pūnaewele unsaturated e hoʻohua ai i kahi mole reactive. Inā hoʻohana ʻia ka UV a i ʻole ke kukui ʻike ʻia e like me ke kumu ikehu, hoʻohui ʻia kahi photoinitiator i ka hui ʻana. ʻO ka photoinitiator, ke ʻike ʻia i ka mālamalama, hoʻopuka i nā radical manuahi a i ʻole nā hana e hoʻomaka ai i ka hoʻopili ʻana ma waena o nā pūnaewele unturation.ponent o UV & ude
Oligomers: ʻO nā waiwai holoʻokoʻa o kēlā me kēia uhi, inika, adhesive a i ʻole nā mea hoʻopaʻa i hoʻopaʻa ʻia e ka ikehu kukui e hoʻoholo nui ʻia e nā oligomers i hoʻohana ʻia i ka hana. ʻO nā Oligomers nā polymers kaumaha haʻahaʻa haʻahaʻa, ʻo ka hapa nui o ia mau mea i hoʻokumu ʻia ma ka acrylation o nā hale like ʻole. Hāʻawi ka acrylation i ka unsaturation a i ʻole ka hui "C=C" i nā wēlau o ka oligomer.
Monomers: Hoʻohana mua ʻia nā monomers i mea hoʻoheheʻe e hoʻohaʻahaʻa i ka viscosity o ka mea i hoʻomaʻemaʻe ʻole ʻia e hoʻomaʻamaʻa i ka noi. Hiki iā lākou ke monofunctional, loaʻa hoʻokahi pūʻulu reactive a i ʻole kahi pūnaewele unsaturation, a i ʻole multifunctional. ʻO kēia unsaturation e hiki ai iā lākou ke hana a hoʻokomoʻia i loko o ka mea i ho'ōla a hoʻopauʻia paha, ma mua o ka hoʻouluʻana i ka lewa e like me ka mea maʻamau me nā uhi maʻamau. ʻO nā monomers multifunctional, no ka mea aia i loko o lākou ʻelua mau wahi reactive, hana i nā loulou ma waena o nā molekole oligomer a me nā monomers ʻē aʻe i ka hoʻokumu ʻana.
Photoinitiators: Hoʻopili kēia mea hoʻohui i ka mālamalama a nona ke kuleana no ka hana ʻana i nā radical manuahi a i ʻole nā hana. ʻO nā radical manuahi a i ʻole nā hana he ʻano ikehu kiʻekiʻe e hoʻoulu i ka pilina ma waena o nā wahi unturation o nā monomers, oligomers a me nā polymers. ʻAʻole pono nā Photoinitiators no nā ʻōnaehana hoʻolaʻa ʻana i nā kukui uila no ka mea hiki i nā electrons ke hoʻomaka i ka crosslinking.
Nā mea hoʻohui: ʻO ka mea maʻamau ka stabilizers, ka mea e pale ai i ka gelation i ka mālama ʻana a me ka hoʻōla mua ʻana ma muli o nā haʻahaʻa haʻahaʻa o ka ʻike māmā. ʻO nā puaʻa kala, nā kala, nā defoamers, nā mea hoʻolaha adhesion, nā mea hoʻopalapala, nā mea pulu a me nā mea kōkua paheʻe he mau laʻana o nā mea hoʻohui ʻē aʻe.
Ka manawa hoʻouna: Jan-01-2025
