E boetse e tsejoa e le dimethyl tiphenylamine, mokelikeli o mafura o se nang 'mala ho isa ho o mosehla o bobebe, o nang le monko o bohale, o bonolo ho oxidizetsoa moeeng kapa tlas'a letsatsi 'me o sebelisa ze e fifetseng. Boima bo amanang (20 ℃ / 4 ℃) 0.9555, ntlha ea ho hoamisa 2.0 ℃, ntlha ea ho belisa 193 ℃, ntlha ea ho belisa (ho bula) 77 ℃, ntlha ea ho belisa 317 ℃, viscosity (25 ℃) 1.528mpa-s, refractive index (n20D) 1.5584. E qhibiliha ka har'a ethanol, ether, chloroform, benzene le li-solvents tse ling tsa tlhaho. E qhibiliha ka har'a metsoako e fapaneng ea tlhaho. E qhibiliha hanyane ka metsing. E ka tuka 'me e tla cha haeba ho ka hlaha lelakabe le bulehileng. Mouoane le moea li tla etsa motsoako o phatlohang o nang le moeli oa ho phatloha oa 1.2% ~ 7.0% (vol). E chefo haholo, 'me khase ea aniline e chefo e lokolloa ke ho bola ha matla a mocheso o phahameng. E ka monngoa ka letlalo mme ea baka chefo, LD501410mg/kg, mahloriso a phahameng ka ho fetisisa a lumelloang moeeng ke 5mg/m3.

Mokhoa oa polokelo

1.Litlhokomelo tsa Polokelo[25] Boloka ka tlung e pholileng, e nang le moea o kenang hantle. Boloka hole le mollo le mehloli ea mocheso. Boloka setshelo se koetsoe. Se lokela ho bolokoa se arohane le li-acid, li-halogen le lik'hemik'hale tse jeoang, 'me le ka mohla se se ke sa kopanngoa. Se hlomelloa ka mefuta e lumellanang le bongata ba lisebelisoa tsa ho tima mollo. Sebaka sa polokelo se lokela ho hlomelloa ka lisebelisoa tsa kalafo ea tšohanyetso bakeng sa ho lutla le thepa e loketseng ea bolulo.

2. Amohela sephutheloana se koetsoeng sa teramo ea tšepe, 180kg ka teramo, 'me u boloke sebakeng se pholileng le se nang le moea o kenang. Boloka le ho tsamaisa ho latela melao ea lintho tse tukang le tse chefo.

mokhoa oa ho kopanya

1. E fumanoa ka karabelo pakeng tsa aniline le methanol moo ho nang le sulfuric acid mochesong o phahameng le khatellong e phahameng. Phallo ea ts'ebetso: 1. 790kg ea aniline, 625kg ea methanol, 85kg ea sulfuric acid (ammonium 100%) li kenngoa ka ketleleng ea karabelo, mocheso oa taolo ke 210-215℃, khatello ke 3.1MPa, e arabela ka lihora tse 4, ebe e lokolla khatello, thepa e lokolloa ho ea karohanong, e fokotsoe ke 30% sodium hydroxide, e sa fetoheng, 'me letsoai le tlase la quaternary ammonium lea aroloa. Ebe ho 160 ℃, karabelo ea hydrolysis ea 0.7-0.9MPa ka lihora tse 3, lihlahisoa tsa hydrolysis le lera le ka holimo la thepa e mafura li kopantsoe ka ho hlatsoa ka mor'a ho hlatsuoa ha sehlahisoa se felileng ka vacuum.

2. Ha e sebelisoa methanol le aniline e le thepa e tala, e hlahisoa ke alumina catalyst tlas'a boemo ba 200-250℃ ka methanol e feteletseng le khatello ea sepakapaka. Kakaretso ea tšebeliso ea thepa e tala: aniline 790kg/t, methanol 625kg/t, sulfuric acid 85kg/t. Tokisetso ea laboratori e ka arabela aniline ka trimethyl phosphate.

3, aniline le methanol li tsoakane (n aniline: n methanol ≈ 1:3), 'me ka pompo ea ho lekanya e sa buseng pulse e kenngoang ka lebelo la moea la 0.5h-1 ka har'a reactor e nang le catalyst, phallo ea karabelo e qala ka ho kena ka har'a karohano ea khase-mokelikeli oa khalase, karohano tlas'a mokelikeli o bokelletsoeng ka linako tse tloaelehileng e tlosoa bakeng sa tlhahlobo ea chromatographic.

Ka 2001, Univesithi ea Nankai le Tianjin Ruikai Technology Development Co., Ltd. ba ile ba theha ka kopanelo sesebelisoa se sebetsang hantle sa methylation ea aniline, 'me ba hlokomela tlhahiso ea khase ea N,N-dimethyl aniline. Ts'ebetso ena e tjena: Aniline e metsi e kopantsoe le methanol, e tšeloa ka mouoane toreng ea mouoane, ebe e kenngoa ka har'a sesebelisoa sa tubular ka lebelo la moea la 0.5-1.0h-1 (bethe e tsitsitseng ea sesebelisoa sa tubular e na le sesebelisoa sa nano-solid catalyst se jereng), 'me se hlahisoa khafetsa ho 250-300℃ tlas'a khatello ea sepakapaka, ka tlhahiso ea DMA ea ho feta 96%.

Mokhoa oa ho hloekisa: Hangata e na le litšila tse kang aniline le N-methyl aniline. N,N-dimethylaniline e qhibiliha ka 40% ea sulfuric acid ebe e qhibiliha ke mouoane oa metsi. Sodium hydroxide e eketsoa ho e etsa alkaline. Ho qhibiliha ho tsoela pele ka mouoane oa metsi. Distillate e aroloa ka mekhahlelo e metsi ebe e omisoa ka potassium hydroxide. Ho qhibiliha ka khatello e tloaelehileng ho etsoa ha ho na le acetic anhydride. Distillate e hlatsuoa ka metsi ho tlosa mesaletsa ea acetic anhydride, e omisoa ka potassium hydroxide, e lateloe ke barium oxide, ebe e qhibiliha tlas'a khatello e fokotsehileng ha ho na le molapo oa naetrojene. Mekhoa e meng ea ho hloekisa distillate e kenyelletsa ho eketsa 10% acetic anhydride le ho e hloekisa ka lihora tse 'maloa ho tlosa li-amine tsa mantlha le tsa bobeli. Kamora ho pholile, ho eketsoa 20% ea hydrochloric acid e ngata ebe e ntšoa ka ether. Lera la hydrochloric acid ke alkaline ka alkali ebe le ntšoa ka ether, 'me lera la ether le omisoa ka potassium hydroxide ebe le qhibiliha tlas'a khatello e fokotsehileng tlas'a molapo oa naetrojene. N,N-dimethylaniline e ka boela ea fetoloa letsoai la picric acid, ea etsoa hore e be ntlha e sa fetoheng ea ho qhibiliha ebe e bolisoa ka tharollo e futhumetseng ea metsi ea 10% ea sodium hydroxide. Ebe e ntšoa ka ether, ea hlatsuoa le ho omisoa, ebe e hloekisoa tlas'a khatello e fokotsehileng.

5. Aniline, methanol le sulfuric acid li kopantsoe ka tekanyo, karabelo ea condensation ka har'a autoclave, lihlahisoa tsa karabelo li khutlisetsoa ka thuso ea khatello ea methanol, li eketsa alkali neutralization, karohano ebe li qhala ka khatello e fokotsehileng ho fumana sehlahisoa.

6. N,N-dimethylaniline e ka hlahisoa ke karabelo ea methylation ea aniline le trimethyl phosphate, ebe e ntšoa ke ether, e omisoe le ho hloekisoa.

7. N,N-dimethylaniline e ka etsoa holim'a bethe ea catalytic ea Ziegler catalyst tsamaisong ea koporo-manganese kapa tsamaisong ea koporo-zinc-chromium ho 280℃ ka motsoako oa aniline le methanol ka karolelano ea 1:3.5. N,N-dimethylaniline e fumanoeng e ile ea bokelloa ho 193-195℃ sesebelisoa sa ho qhibilihisa kholomo ea litafole tse 54 'me ea pakoa ka libotlolong tsa khalase tse sootho. Bakeng sa ho lokisa N,N-dimethylaniline e hloekileng, N,N-dimethylaniline e ka kenngoa ka khase ea naetrojene e le khase e tsamaisang ho chromatograph ea khase ea ho lokisa e nang le kholomo ea phosphate ea tšepe.

Kopo e ka sehloohong

1. Ke e 'ngoe ea lisebelisoa tsa mantlha tse tala bakeng sa tlhahiso ea dae-stuff e thehiloeng letsoai (dae-stuff ea triphenylmethane, jj.) le dae-stuff ea alkali. 2. E sebelisoa e le solvent, sesebelisoa sa ho boloka tšepe, sesebelisoa sa ho phekola resin ea epoxy, sesebelisoa sa ho phekola bakeng sa resin ea polyester, sesebelisoa sa ho kopanya metsoako ea ethylene le polymerization, jj. E boetse e sebelisoa bakeng sa ho lokisa dae ea alkaline triphenylmethane, dae ea azo le vanillin, jj. 3. E boetse e sebelisoa ho lokiseng dae ea alkaline triphenylmethane, dae ea azo le vanillin, jj. 3. E sebelisoa e le sesebelisoa sa ho lokisa dae ea polyurethane foam ka tšebelisano-'moho le metsoako ea organotin. E boetse e sebelisoa e le sesebelisoa sa ho lokisa dae ea polyurethane le e le thepa e tala bakeng sa mothetsi oa rabara ea vulcanization, liqhomane le meriana. N,N-Dimethylaniline e sebediswa indastering ya meriana ho hlahisa cephalosporin V, sulfamethoxine N-methoxypyrimidine, sulfamethoxine o-dimethoxypyrimidine, fluorosporine, jj. E boetse e sebediswa indastering ya dinoko ho hlahisa vanillin. 4. E sebediswa e le accelerator ya ho fodisa resin ya epoxy, resin ya polyester le sekhomaretsi sa anaerobic, e le hore sekhomaretsi sa anaerobic se tiee kapele. E ka boela ya sebediswa e le solvent, co-catalyst bakeng sa polymerization ya metsoako ya ethylene, seboloki sa tshepe, monya wa ultraviolet bakeng sa ditlolo, se thusang ho bona lesedi, jj. E ka boela ya sebediswa e le catalyst bakeng sa tlhahiso ya didae tsa alkaline, didae tse hasaneng, didae tsa asiti, didae tse qhibilihang ka oli le monko o monate (vanillin), jj. E boetse e sebediswa e le thepa e tala bakeng sa ho etsa didae tsa alkaline, didae tse hasaneng, didae tsa asiti, didae tse qhibilihang ka oli le dinoko (vanillin), jj. E sebediswa e le reagent bakeng sa ho fumana photometric ya nitrite. E boetse e sebelisoa e le solvent, 'me e sebelisoa ho tsoakoeng ha lintho tse phelang.6. E sebelisoa e le li-intermediate tsa dae, solvents, stabilizers, analytical reagents. [26]