Hoʻohana nui ʻia ʻo Acrylate i ka hana ʻana i nā mea polymer like ʻole ma muli o kona haʻahaʻa haʻahaʻa haʻahaʻa haʻahaʻa, pale ʻana i ka wela, kūpaʻa ʻelemakule, kiʻekiʻe a me ka paʻa kala.ʻO kēia mau waiwai e hiki ai ke hoʻohana ʻia i nā ʻano hana like ʻole, me nā plastics, nā varnish papahele, nā uhi, nā textiles, nā pena a me nā mea hoʻopili.ʻO ke ʻano a me ka nui o nā monomers acrylate i hoʻohana ʻia he hopena koʻikoʻi i ka hana ʻana o ka huahana hope, me ke aniani hoʻololi wela, viscosity, paʻakikī a paʻa.Hiki ke kiʻi ʻia nā polymers i kūpono no nā noi like ʻole ma o ka copolymerization me nā monomers me nā hui hana hydroxyl, methyl a carboxyl paha.
Hoʻohana nui ʻia nā mea i loaʻa ma ka polymerization o nā monomers acrylate i ka ʻoihana, akā ʻike pinepine ʻia nā monomers koena i nā mea polymeric.ʻAʻole hiki i kēia mau koena monomer ke hoʻoulu wale i ka ʻili a me nā pilikia ʻē aʻe, akā ke kumu hoʻi i ke ʻala maikaʻi ʻole i ka huahana hope ma muli o ke ʻala maikaʻi ʻole o kēia mau monomers.
Hiki i ka ʻōnaehana olfactory o ke kino kanaka ke ʻike i ka monomer acrylate i ka haʻahaʻa haʻahaʻa.No ka nui o nā mea acrylate polymer, ʻo ka ʻala o nā huahana i loaʻa mai nā monomers acrylate.ʻOkoʻa nā ʻala o nā monomer like ʻole, akā he aha ka pilina ma waena o ke ʻano monomer a me ka ʻala?Ua aʻo ʻo Patrick Bauer mai Friedrich Alexander Universit ä t erlangen-n ü rnberg (Fau) ma Kelemānia i nā ʻano pilau a me nā paepae ʻala o kekahi pūʻulu o nā monomers acrylate i kūʻai ʻia a synthesized.
Ua hoʻāʻo ʻia he 20 monomers i kēia haʻawina.ʻO kēia mau monomers i hoʻohui ʻia i ka ʻoihana a me ka hale hana.Hōʻike ka hōʻike e hiki ke hoʻokaʻawale ʻia ka ʻala o kēia mau monomers i ka sulfur, ka māmā māmā, ka geranium a me ka halo.
ʻO 1,2-propanediol diacrylate (No. 16), methyl acrylate (No. 1), ethyl acrylate (No. 2) a me propyl acrylate (No. 3) i wehewehe nui ʻia he sulfur a me ke kāleka.Eia kekahi, ua wehewehe ʻia nā mea hope ʻelua he ʻala kinoea māmā, ʻoiai ʻo ethyl acrylate a me 1,2-propylene glycol diacrylate ka manaʻo o kahi ʻala liʻiliʻi.ʻO Vinyl acrylate (No. 5) a me propenyl acrylate (No. 6) ua wehewehe ʻia e like me nā mea ʻala kinoea, ʻoiai ʻo 1-hydroxyisopropyl acrylate (No. 10) a me 2-hydroxypropyl acrylate (No. 12) i wehewehe ʻia he geranium a me nā mea ʻala māmā. .N-butyl acrylate (No. 4), 3- (z) pentene acrylate (No. 7), SEC butyl acrylate (geranium, mushroom flavor; No. 8), 2-hydroxyethyl acrylate (No. 11), 4-methylamyl acrylate (mushroom, hua ʻono; No. 14) a me ka ethylene glycol diacrylate (No. 15) i wehewehe ʻia he ʻono mushroom.ʻO Isobutyl acrylate (No. 9), 2-ethylhexyl acrylate (No. 13), cyclopentanyl acrylate (No. 17) a me cyclohexane acrylate (No. 18) i wehewehe ʻia e like me nā kāloti a me nā mea ʻala Geranium.ʻO 2-methoxyphenyl acrylate (No. 19) ke ʻala o ka geranium a me ka ham puhi, ʻoiai ʻo kāna isomer 4-methoxyphenyl acrylate (No. 20) i wehewehe ʻia e like me ke ʻala o ka anise a me ka fennel.
ʻO nā paepae ʻala o nā monomers i hoʻāʻo ʻia i hōʻike i nā ʻokoʻa nui.Maʻaneʻi, ʻo ka paepae ʻala e pili ana i ka noʻonoʻo ʻana o ka mea e hoʻoulu ai i ka liʻiliʻi o ka hoʻoulu ʻana i ka ʻike ʻala kanaka, ʻike ʻia hoʻi ka paepae olfactory.ʻO ke kiʻekiʻe o ka paepae ʻala, ʻoi aku ka haʻahaʻa o ka ʻala.Hiki ke ʻike ʻia mai nā hopena hoʻokolohua ʻoi aku ka hopena o ka paepae ʻala e nā hui hana ma mua o ka lōʻihi o ke kaulahao.Ma waena o nā monomers 20 i ho'āʻoʻia,ʻo 2-methoxyphenyl acrylate (No. 19) a me SEC butyl acrylate (No. 8) i loaʻa ka paepaeʻala haʻahaʻa,ʻo ia ka 0.068ng / lair a me ka 0.073ng / lair.ʻO 2-hydroxypropyl acrylate (No. 12) a me 2-hydroxyethyl acrylate (No. 11) i hōʻike i ka paepae ʻala kiʻekiʻe loa, ʻo ia ka 106 ng / lair a me 178 ng / lair, ʻoi aku ma mua o 5 a me 9 mau manawa o 2-ethylhexyl acrylate (No. 13).
Inā loaʻa nā kikowaena chiral i loko o ka mole, loaʻa i nā ʻano chiral ʻokoʻa ka hopena i ka ʻala o ka mole.Eia naʻe, ʻaʻohe haʻawina hoʻokūkū no ka manawa.ʻO ke kaulahao ʻaoʻao i loko o ka moleke kekahi manaʻo i ka ʻala o ka monomer, akā aia kekahi mau ʻokoʻa.
Methyl acrylate (No. 1), ethyl acrylate (No. 2), propyl acrylate (No. 3) a me nā monomers kaulahao pōkole ʻē aʻe e hōʻike ana i ka ʻala like me ka sulfur a me ke kāleka, akā e emi mālie ka ʻala me ka hoʻonui ʻana o ka lōʻihi o ke kaulahao.Ke piʻi aʻe ka lōʻihi o ke kaulahao, e emi ana ke ala kālika, a e hana ʻia kekahi ʻala kinoea māmā.ʻO ka hoʻokomo ʻana o nā pūʻulu hydroxyl i ke kaulahao ʻaoʻao he hopena ia i ka pilina intermolecular, a e ʻoi aku ka hopena o ka hopena i nā sela e loaʻa ana i ka ʻala, e hopena i nā ʻano ʻala like ʻole.No nā monomers me ka vinyl a i ʻole propenyl unsaturated paʻa pālua, ʻo ia ka vinyl acrylate (No. 5) a me propenyl acrylate (No. 6), hōʻike wale lākou i ke ʻala o ka wahie kinoea.Ma nā huaʻōlelo ʻē aʻe, ʻo ka hoʻokomo ʻana i ka lua o ka paʻa paʻa ʻole unsaturated pālua e alakaʻi i ka nalo ʻana o ka sulfur a i ʻole ke ʻala kālika.
Ke hoʻonui ʻia ke kaulahao kalapona i 4 a i ʻole 5 mau kalapona kalapona, e hoʻololi ʻia ka ʻala i ʻike ʻia mai ka sulfur a me ke kāleka i ka halo a me ka Geranium.Ma ka holoʻokoʻa, cyclopentanyl acrylate (No. 17) a me cyclohexane acrylate (No. 18), he mau monomers aliphatic, hōʻike i ka ʻala like (geranium a me kāloti ʻala), a ʻokoʻa iki lākou.ʻAʻole nui ka hopena o ka hoʻokomo ʻana i nā kaulahao ʻaoʻao aliphatic i ke ʻano o ka ʻala.
Ka manawa hoʻouna: Jun-07-2022