| Wāteatanga: | |
|---|---|
Ko te 2-Ethyl-4-Methylimidazole (2E4MI, CAS 931-36-2) he tino parakore epoxy resin reo-mahana rongoa rongoa me te whakatere. He iti te kakara, he iti te wariu me te tauhohenga, he pai te hototahi kapia me te ora o te kohua. Ka hanga i nga hanganga hono-whakawhiti kiato i muri i te rongoa, te whakanui ake i te wera o nga hua epoxy, te whakamaarama, te kaha miihini me te piri, he pai mo te hikohiko, whakapiri me te paninga.
Maamaa: pKa≈8.1 (he kaha ake i te 1-methylimidazole)
Tauhohenga Ahuatanga:
Ka uru ki nga tauhohenga whakatuwhera mowhiti me nga roopu epoxy (whakaora whakaora)
He kaha ki te hanga matatini whakarewa (hei tauira, te ruruku ki te Cu²⁺)
He pai te parenga waiariki (te paemahana pirau >300°C)
Ko te EMI-24 e whakamahia nuitia ana hei kaihoko rongoa mo nga kapia epoxy, he pai ake te aukati waiariki me te whakarei ake i nga taonga tinana mo nga polymers whatunga.
Ka whakamahia te 2-Ethyl-4-Methylimidazole hei hononga whakawhiti i roto i te whakahiato o nga polymers whatunga mahi nui, ina koa i roto i nga punaha epoxy e rua nga waahanga.
Ko te 2E4MZ he putea CO2 utu iti, he kaha ki te hopu me te tuku i te CO2 pai i nga waahi iti (<100°C), e pai ana mo nga tono ahumahi.
Ka whakamahia te EMI-24 hei takawaenga waihanga i roto i te hanga rongoa, matū ahuwhenua, waikano, poaka, me etahi atu matū pararopi.
Ka mahi hei whakakorikori whiriwhiri i roto i nga tauhohenga epoxy me te urethane, e whakatere ana i te mahi whakaora i roto i nga whakapiri me nga paninga.
Whakaorangia te hiri ki te waahi matao, maroke me te hau pai. A ape i te marama, te wera me te whakapiri ki nga puna wera me nga mura ahi tuwhera. Mawehe atu i nga waikawa kaha me nga waikura, kaua hoki e pa ki te hau makuku.
| CAS No. | 931-36-2 |
| kupu taurite | EMI-24 2E4MI 4-Methyl-2-Ethylimidazole 2-Ethyl-5-methyl-1H-imidazole 2-Ethyl-4-methyl-1H-imidazole 1H-Imidazole, 2-ethyl-4-methyl- |
| EINECS No. | 213-234-5 |
| Tātai rāpoi | C₆H₁₀N₂ |
| Taumaha rāpoi(g/mol) | 110.16 |
| Kiato(g/cm3) | 0.98-1.02 |
| Taurangi Refactive | 1. 4995 |
| Te ahua | Te wai kowhai kowhai marama |
| Pure (%) | 96min |
| Ira Kohua(℃) | 292-295 |
| Wairewa | Wairewa ki te waipiro, acetone, DMF; He iti te wairewa ki te wai |