A na-eji Acrylate eme ihe n'ọtụtụ ebe n'ichepụta ihe dị iche iche polymer n'ihi mgbanwe okpomọkụ dị ala, nkwụsị okpomọkụ, nkwụsị nke ịka nká, nghọta dị elu na nkwụsi ike agba.Ngwongwo ndị a na-enyere ya aka iji ya mee ihe n'ọtụtụ ngwa, gụnyere plastik, varnishes ala, mkpuchi, textiles, paints na adhesives.Ụdị na ọnụ ọgụgụ nke acrylate monomers ejiri mee ihe nwere mmetụta dị ukwuu na arụmọrụ nke ngwaahịa ikpeazụ, gụnyere okpomọkụ mgbanwe iko, viscosity, ike na ịdịte aka.Enwere ike nweta polymers ndị dabara adaba maka ngwa dị iche iche site na copolymerization na monomers nwere otu ọrụ hydroxyl, methyl ma ọ bụ carboxyl.
A na-ejikarị ihe ndị a na-enweta site na polymerization nke acrylate monomers na ụlọ ọrụ, ma a na-ahụkarị monomers fọdụrụnụ na ihe polymeric.Ndị a fọdụrụnụ monomers nwere ike ọ bụghị nanị na-akpata akpụkpọ iyatesịt na ndị ọzọ nsogbu, ma na-akpata na-adịghị mma isi na ikpeazụ ngwaahịa n'ihi na-adịghị mma isi nke ndị a monomers.
Usoro olfactory nke ahụ mmadụ nwere ike ịhụ acrylate monomer na ntinye uche dị ala.Maka ọtụtụ ihe acrylate polymer, isi nke ngwaahịa na-esite na acrylate monomers.Ndị monomers dị iche iche nwere isi dị iche iche, mana gịnị bụ njikọ dị n'etiti usoro monomer na isi?Patrick Bauer sitere na Friedrich Alexander Universit ä t erlangen-n ü rnberg (Fau) na Germany mụrụ ụdị isi na ọnụ ụzọ isi nke usoro azụmaahịa na synthesized acrylate monomers.
Ngụkọta nke monomers 20 ka a nwalere n'ime ọmụmụ ihe a.Ndị a monomers na-agụnye azụmahịa na laabu synthesized.Nnwale ahụ na-egosi na isi nke monomers ndị a nwere ike kewaa n'ime sọlfọ, ọkụ ọkụ, geranium na ero.
1,2-propanediol diacrylate (No. 16), methyl acrylate (No. 1), ethyl acrylate (No. 2) na propyl acrylate (No. 3) na-akọwakarị dị ka sọlfọ na galik isi.Tụkwasị na nke a, a kọwakwara ihe abụọ nke ikpeazụ dị ka ndị na-esi ísì ísì ọkụ, ebe ethyl acrylate na 1,2-propylene glycol diacrylate nwere mmetụta nke ntakịrị isi ísì.A na-akọwa Vinyl acrylate (No. 5) na propenyl acrylate (No. 6) dị ka mmanụ ọkụ gas, ebe a na-akọwa 1-hydroxyisopropyl acrylate (No. 10) na 2-hydroxypropyl acrylate (No. 12) dị ka geranium na ọkụ ọkụ ọkụ. .N-butyl acrylate (No. 4), 3- (z) pentene acrylate (No. 7), SEC butyl acrylate (geranium, ero ekpomeekpo; Nke 8), 2-hydroxyethyl acrylate (No. 11), 4-methylamyl acrylate (ero, ekpomeekpo mkpụrụ osisi; Nke 14) na ethylene glycol diacrylate (No. 15) na-akọwa dị ka ero ekpomeekpo.A na-akọwa Isobutyl acrylate (No. 9), 2-ethylhexyl acrylate (No. 13), cyclopentanyl acrylate (No. 17) na cyclohexane acrylate (No. 18) dị ka karọt na Geranium ísì.2-methoxyphenyl acrylate (No. 19) bụ isi nke geranium na ham na-ese anwụrụ, ebe a na-akọwa isomer 4-methoxyphenyl acrylate (No. 20) dị ka isi nke anise na fennel.
Ọnụ ụzọ isi nke monomers a nwalere gosipụtara nnukwu ọdịiche.N'ebe a, ọnụ ụzọ isi na-ezo aka na ntinye nke ihe na-emepụta ihe kacha nta na-akpali akpali na nghọta isi ísì mmadụ, nke a makwaara dị ka ọnụ ụzọ na-esi ísì ụtọ.Nke dị elu nke ọnụ ụzọ isi, na-ebelata isi ísì.Enwere ike ịhụ site na nsonaazụ nnwale na ọnụ ụzọ isi na-emetụta ndị otu na-arụ ọrụ karịa ogologo ogologo agbụ.N'ime monomers 20 a nwalere, 2-methoxyphenyl acrylate (No. 19) na SEC butyl acrylate (No. 8) nwere ọnụ ụzọ isi ísì kacha ala, nke bụ 0.068ng / lair na 0.073ng / lair, n'otu n'otu.2-hydroxypropyl acrylate (No. 12) na 2-hydroxyethyl acrylate (No. 11) gosipụtara ọnụ ụzọ isi ísì kachasị elu, nke bụ 106 ng / lair na 178 ng / lair, karịa 5 na 9 ugboro nke 2-ethylhexyl. acrylate (No. 13).
Ọ bụrụ na enwere ebe chiral dị na molecule ahụ, usoro chiral dị iche iche na-enwekwa mmetụta na isi nke molekul.Agbanyeghị, ọ nweghị ọmụmụ ihe na-asọ mpi maka oge a.Agbụ n'akụkụ dị na molekul nwekwara mmetụta ụfọdụ na isi nke monomer, mana enwere ihe ndị ọzọ.
Methyl acrylate (No. 1), ethyl acrylate (No. 2), propyl acrylate (No. 3) na ndị ọzọ obere yinye monomers na-egosi otu isi dị ka sọlfọ na galik, ma isi ga-eji nwayọọ nwayọọ ibelata na-abawanye nke yinye ogologo.Mgbe ogologo agbụ ahụ na-abawanye, isi galik ga-ebelata, a ga-emepụtakwa ísì ísì ọkụ.Ntinye nke otu hydroxyl n'ime agbụ n'akụkụ nwere mmetụta na mmekọrịta nke intermolecular, ọ ga-enwekwa mmetụta dị ukwuu na ísì na-anata mkpụrụ ndụ, na-eme ka isi ísì dị iche iche pụta.Maka monomers nwere vinyl ma ọ bụ propenyl unsaturated okpukpu abụọ, ya bụ vinyl acrylate (No. 5) na propenyl acrylate (No. 6), ha na-egosi naanị isi nke mmanụ gas.N'ikwu ya n'ụzọ ọzọ, iwebata nkedo nke abụọ capped unsaturated okpukpu abụọ na-eduga na mwepu nke sọlfọ ma ọ bụ isi galik.
Mgbe agbụ carbon na-abawanye na carbon carbon 4 ma ọ bụ 5, isi a na-eche na ọ ga-agbanwe n'ụzọ doro anya site na sọlfọ na galik gaa ero na Geranium.N'ozuzu ya, cyclopentanyl acrylate (No. 17) na cyclohexane acrylate (No. 18), bụ ndị monomers aliphatic, na-egosi isi ísì (geranium na karọt), na ha dịtụ iche.Ntinye nke agbụ n'akụkụ aliphatic adịghị enwe mmetụta dị ukwuu n'echiche nke isi.
Oge nzipu: Jun-07-2022