ʻO ka ʻenehana hoʻomaʻamaʻa māmā he hana kiʻekiʻe, palekana kaiapuni, mālama i ka ikehu a me ka ʻenehana ili kiʻekiʻe.Ua ʻike ʻia he ʻenehana hou no ka ʻoihana ʻōmaʻomaʻo i ke kenekulia 21.Me ka hoʻomohala ʻana o ka ʻepekema a me ka ʻenehana, ua hoʻomohala ʻia ka noi ʻana o ka ʻenehana hoʻōla māmā mai ka papa mua i paʻi ʻia a me ka photoresist a hiki i ka uhi hoʻōla māmā, ka inika a me ka hoʻopili.Ke hoʻonui nei ke kahua noi a hoʻokumu i kahi ʻoihana hou.
ʻO nā huahana hoʻōla UV maʻamau ka uhi ʻana o UV, nā inika UV a me nā mea hoʻopili UV.ʻO kā lākou hiʻohiʻona nui loa ʻo ia ka wikiwiki o ka hoʻōla ʻana, ma waena o kekahi mau kekona a me ʻumi mau kekona.Hiki ke ho'ōla 'ia ka wikiwiki ma 0.05 ~ 0.1s.ʻO lākou ka wikiwiki o ka maloʻo a me ka hoʻōla ʻana ma waena o nā ʻano uhi like ʻole, nā inika a me nā mea hoʻopili i kēia manawa.
ʻO ka hoʻomaʻamaʻa UV ʻo ia ka mālama ʻana o UV.ʻO UV ka pōkole Pelekane o UV.ʻO ka hoʻōla ʻana e pili ana i ke kaʻina hana o ka hoʻololi ʻana i nā mea mai nā molekele haʻahaʻa i polymers.ʻO ka mālama ʻana o UV e pili ana i nā kūlana hoʻōla a i ʻole nā koi o ka uhi (pena), ka inika, nā mea hoʻopili (glues) a i ʻole nā potting sealants ʻē aʻe e pono e hoʻōla ʻia e UV, he ʻokoʻa ia mai ka hoʻōla wela, ka mea hoʻopili (curing agent) curing, kūlohelohe. ho'ōla, etc. [1].
ʻO nā mea maʻamau o nā huahana hoʻomaʻamaʻa māmā e pili ana i nā oligomers, nā diluent ikaika, photoinitiators, additives a pēlā aku.ʻO Oligomer ke kino nui o nā huahana curing UV, a ʻo kāna hana e hoʻoholo i ka hana nui o nā mea hoʻōla.No laila, ʻo ke koho ʻana a me ka hoʻolālā ʻana o ka oligomer he mea kānalua nui ia i ka hoʻokumu ʻana i nā huahana hoʻōla UV.
ʻO ka mea maʻamau o kēia mau oligomers, ʻo ia ka mea i loaʻa iā lākou "Unsaturated double bond resins i helu ʻia e like me ka helu pane o ka polymerization radical manuahi: acryloyloxy > Methacryloyloxy > vinyl > allyl.No laila, ʻo nā oligomers i hoʻohana ʻia i ka mālama ʻana i nā kukui radical manuahi ka nui o nā ʻano resins acrylic, e like me ka epoxy acrylate, polyurethane acrylate, polyester acrylate, polyether acrylate, acrylate resin a vinyl resin, a ʻo ka epoxy acrylate ka mea hoʻohana nui loa i ka resin Acrylic, polyurethane. resin a me ka resin polyester.Hōʻike pōkole ʻia kēia mau resins ʻekolu ma lalo nei.
ʻO ka epoxy acrylate ka oligomer hoʻomaʻamaʻa māmā a hoʻohana nui ʻia.Hoʻomākaukau ʻia mai ka epoxy resin a me (meth) acrylate.Hiki ke hoʻokaʻawale ʻia ka epoxy acrylate i bisphenol A epoxy acrylate, phenolic epoxy acrylate, epoxy acrylate i hoʻololi ʻia a me ka epoxidated acrylate e like me ke ʻano hana.ʻO Bisphenol A epoxy acrylate ka mea hoʻohana nui loa.ʻO Bisphenol ʻO ka epoxy acrylate kekahi o nā oligomers me ka wikiwiki o ka hoʻōla māmā.ʻO ke kiʻiʻoniʻoni i hoʻōla ʻia he paʻakikī kiʻekiʻe, ʻālohilohi kiʻekiʻe, kūpaʻa kemika maikaʻi loa, kūpaʻa wela maikaʻi a me nā waiwai uila.Eia kekahi, ʻo ka bisphenol A oxygen exchange acrylate he maʻalahi kumu kumu a me ke kumu kūʻai haʻahaʻa.No laila, hoʻohana maʻamau ia e like me ka resin nui o ka pepa hoʻomaʻemaʻe māmā, ka lāʻau, ka plastik a me nā uhi metala, a me ka resin nui o ka ʻīnika hoʻōla māmā a me ka lāʻau hoʻōla māmā.
Polyurethane acrylate
ʻO ka polyurethane acrylate (PUA) kekahi mea nui e ho'ōla ai i ka oligomer.Hoʻopili ʻia ia e ka hopena ʻelua o ka polyisocyanate, long-chain diol a me ka hydroxyl acrylate.Ma muli o ka nui o ka polyisocyanates a me ka long-chain diols, oligomers me nā waiwai i hoʻonohonoho ʻia e synthesized ma o ka hoʻolālā molekula.No laila, ʻo lākou nā oligomers me ka nui o nā hōʻailona huahana i kēia manawa, a hoʻohana nui ʻia i nā pale hoʻōla māmā, nā inika a me nā mea hoʻopili.
Polyester Acrylate
ʻO ka polyester acrylate (PEA) kekahi oligomer maʻamau.Hoʻomākaukau ʻia ia e ka acrylate o ka polyester glycol molekala haʻahaʻa.Hōʻike ʻia ka polyester acrylate e ke kumu kūʻai haʻahaʻa a me ka viscosity haʻahaʻa.Ma muli o kona viscosity haʻahaʻa, hiki ke hoʻohana ʻia ka polyester acrylate e like me ka oligomer a me ka diluent ikaika.Eia kekahi, ʻoi aku ka nui o nā acrylates polyester he haʻahaʻa haʻahaʻa, haʻahaʻa haʻahaʻa, ʻoluʻolu maikaʻi a me ka pulu puaʻa, a kūpono i nā pena kala a me nā inika.I mea e hoʻomaikaʻi ai i ke kiʻekiʻe curing rate, multifunctional polyester acrylate hiki ke hoʻomākaukau;ʻAʻole hiki i ka Amine hoʻololi polyester acrylate ke hōʻemi wale i ka mana o ka polymerization inhibition oxygen a hoʻomaikaʻi i ka helu curing, akā hoʻomaikaʻi pū i ka adhesion, gloss a me ke kūpaʻa.
Loaʻa i nā mea hoʻoheheʻe ikaika nā pūʻulu reactive, hiki ke hoʻoheheʻe a hoʻoheheʻe i nā oligomers, a pāʻani i kahi kuleana nui i ke kaʻina hana hoʻōla māmā a me nā waiwai kiʻiʻoniʻoni.E like me ka helu o nā pūʻulu reactive i loaʻa, ʻo nā mea hoʻoheheʻe hana monofunctional maʻamau ka isodecyl acrylate, lauryl acrylate, hydroxyethyl methacrylate, glycidyl methacrylate, etc.ʻO nā mea hoʻoheheʻe hana bifunctional he polyethylene glycol diacrylate series, dipropylene glycol diacrylate, neopentyl glycol diacrylate, etc;ʻO nā mea hoʻoheheʻe ikaika multifunctional e like me trimethylolpropane triacrylate, etc.
He mana koʻikoʻi ka Initiator i ka wikiwiki o ka mālama ʻana i nā huahana hoʻōla UV.I nā huahana ho'ōla UV, ʻo ka nui o ka photoinitiator maʻamau he 3% ~ 5%.Eia kekahi, he hopena koʻikoʻi nā puaʻa a me nā mea hoʻopihapiha hoʻopihapiha i nā waiwai hope o nā huahana hoʻōla UV.
Ka manawa hoʻouna: Apr-20-2022