E ta'ua foi o le dimethyl tiphenylamine, e leai se lanu i moli samasama suau'u vai, ma se manogi manogi, faigofie ona faʻamaʻi i le ea poʻo lalo o le la ma faʻaoga le ze pogisa. Tulaga va'aiga (20 ℃ / 4 ℃) 0.9555, mea fa'aisa 2.0 ℃, mea fa'apuna 193 ℃, mea moli (tatala) 77 ℃, moli 317 ℃, viscosity (25 ℃) 1.528mpa-s, fa'asino fa'asino (n20D) 41. . Soluble i ethanol, eter, chloroform, benzene ma isi solvents organic. Solu i totonu o mea fa'aletino eseese. Solu teisi i le vai. E mu ma o le a mu i le tulaga o se mumū matala. O le ausa ma le ea o le a fausia ai se paluga paʻu ma se tapulaʻa pa o 1.2% ~ 7.0% (vol). E sili ona oona, ma oona oona aniline kasa e faʻasaʻolotoina e ala i le maualuga o le vevela malosi faʻaleagaina. E mafai ona faʻafefe i totonu o le paʻu ma mafua ai le oona, LD501410mg / kg, o le maualuga faʻatagaina faʻatagaina i le ea o le 5mg / m3.

Auala e teu ai

1. Puipuiga mo le Teuteuina[25] Teu i totonu o se faleteuoloa malulu ma lelei le savili. Taofi mai le afi ma le vevela. Ia fa'amaufa'ailogaina le koneteina. E tatau ona teu ese mai acids, halogens, ma vailaʻau taumafa, ma aua neʻi faʻafefiloi. Faʻapipiʻiina i ituaiga tutusa ma le aofaʻi o mea faʻapipiʻi afi. O le nofoaga e teu ai e tatau ona faʻapipiʻiina i mea faʻapitoa mo togafitiga faʻafuaseʻi mo liki ma mea e malu ai.

2. Fa'apipi'i pusa u'amea fa'amau fa'amaufa'ailoga, 180kg i le pa'u, ma teu i se nofoaga mālūlū ma fa'alili. Teu ma felauaiga e tusa ai ma tulafono faatonutonu o mea e mu ma oona.

auala fa'aopoopo

1. E maua i le tali i le va o le aniline ma le methanol i le i ai o le sulfuric acid i le maualuga o le vevela ma le maualuga o le mamafa. Fa'agasologa fa'agasologa:1. 790kg o le aniline, 625kg o le methanol, 85kg o le sulfuric acid (ammonium 100%) ua faaopoopo i totonu o le ulo tali, pulea le vevela 210-215 ℃, mamafa 3.1MPa, tali atu mo le 4h, ona tuʻuina atu lea o le mamafa, o mea e faʻaulu i le separator, neutralized e 30% sodium hydroxide, static, ma le masima ammonium quaternary maualalo ua vavaeeseina. Ona i le 160 ℃, 0.7-0.9MPa hydrolysis tali mo le 3h, o le hydrolysis oloa ma le vaega pito i luga o mea suauu tu'ufa'atasia e ala i le fufuluina pe a uma le gaogao distillation o le oloa mae'a.

2. Faʻaaogaina o le methanol ma le aniline e pei o mea mataʻutia, e faʻapipiʻiina e le alumina catalyst i lalo o le tulaga o le 200-250 ℃ faʻatasi ai ma le sili atu o le methanol ma le mamafa o le ea. Ole aofa'i o mea taumafa mata: aniline 790kg/t, methanol 625kg/t, sulfuric acid 85kg/t. Ole sauniuniga ile falesuesue e mafai ona tali atu i le aniline ma le trimethyl phosphate.

3, aniline ma methanol fefiloi (n aniline: n methanol ≈ 1: 3), ma e ala i le reciprocating non-pulse mita mita pamu injected i 0.5h-1 saoasaoa ea i le reactor faaauupegaina ma se catalyst, o le tali outflow muamua i le tioata. kesi-suava separator, le separator i lalo o le suavai aoina i taimi masani aveesea mo chromatographic suesuega.

I le 2001, Iunivesite Nankai ma Tianjin Ruikai Tekonolosi Atinae Co., Ltd. atiina ae soofaatasi se sili sili ona lelei aniline methylation catalyst, ma iloa le synthesis kasa-vaega o N, N-dimethyl aniline. O le faagasologa e faapea: Liquid aniline ua fefiloi ma le methanol, vaporized i le vaporization olo, ona ulu atu lea i totonu o se tubular reactor ma le saosaoa ea o le 0.5-1.0h-1 (o le moega tumau o le tubular reactor ua faaauupegaina i uta nano -solid catalyst), ma faʻaauau pea ona gaosia i le 250-300 ℃ i lalo o le mamafa o le ea, faʻatasi ai ma le DMA e sili atu i le 96%.

Metotia faʻamamaina: E masani ona aofia ai mea leaga e pei o le aniline ma le N-methyl aniline. N,N-dimethylaniline ua solo i le 40% sulfuric acid ma fa'amama e le ausa vai. Ua fa'aopoopoina le sodium hydroxide ina ia fa'asalaina. O lo'o fa'aauau pea le fa'amama i le ausa vai. O le distillate e tu'u'ese'ese i ni vaega vai ma fa'amago i le potassium hydroxide. O le fa'amama fa'amama masani e faia i le i ai o le acetic anhydride. E fufulu le fa'amama i le vai e aveese ai fa'ailoga o le acetic anhydride, fa'amago i le potassium hydroxide, sosoo ai ma le barium oxide, ma fa'amama i lalo o le fa'aitiitia o le mamafa i le i ai o se vaitafe o le nitrogen. O isi metotia o le faʻamamaina o le faʻamaʻi e aofia ai le faʻaopopoina o le 10% acetic anhydride ma refluxing mo ni nai itula e aveese ai amine muamua ma lona lua. A maeʻa le malulu, o le sili atu o le 20% o le hydrochloric acid e faʻaopoopoina ma aveese mai i le ether. O le vaega o le acid hydrochloric e alkaline ma le alkali ona aveese mai lea ma le ether, ma o le ether layer e faʻamago i le potassium hydroxide ma faʻafefe i lalo o le faʻaitiitia o le mamafa i lalo o se vaitafe o le nitrogen. O le N,N-dimethylaniline e mafai foi ona liua i masima picric acid, toe faʻamaʻi i se mea faʻafefeteina faifaipea ona faʻaumatia lea i se vai mafanafana 10% o le sodium hydroxide. Ona aveese mai lea ma le eter, fufulu ma faʻamago, ma faʻafefe i lalo o le mamafa o le mamafa.

5. Aniline, methanol ma sulfuric acid fefiloi i le fua faatatau, condensation tali i le autoclave, o le tali oloa e ala i le toe faaleleia o le mamafa o le methanol, faaopoopo neutralization alkali, tuueseeseina ma le distillation e faaitiitia le mamafa e maua ai le oloa.

6. N, N-dimethylaniline e mafai ona gaosia e le tali methylation o le aniline ma le trimethyl phosphate, ona aveese lea e le ether, mago ma faʻafefe.

7. N, N-dimethylaniline e mafai ona faʻapipiʻiina i luga o le moega catalytic o Ziegler catalyst i le kopa-manganese system poʻo le kopa-zinc-chromium system i le 280 ℃ faʻatasi ai ma le faʻafefiloi o le aniline ma le methanol i le fua faatatau o le 1: 3.5. O le N,N-dimethylaniline na maua na aoina i le 193-195 ℃ i luga o se masini faʻapipiʻi koluma 54-tab ma faʻapipiʻi i fagu tioata lanu enaena. Mo le sauniuniga o le mama N, N-dimethylaniline, o le N, N-dimethylaniline e mafai ona tui i le kasa nitrogen e pei o le kasa feaveai i le sauniuniga kasa chromatograph o loʻo i ai se koluma phosphate uʻamea.

Le talosaga autu

1. O se tasi lea o mea fa'apitoa mo le gaosiga o vali e fa'avae i le masima (fa'amalama o le triphenylmethane, ma isi) ma le vali alkali. 2. Faʻaaogaina e pei o solvent, faʻasao uʻamea, vailaʻau faʻamalolo mo epoxy resin, faʻamalolo faʻavave mo resin polyester, co-catalyst mo polymerization o le ethylene compounds, ma isi. E faʻaaogaina foi mo le saunia o vailaʻau alkaline triphenylmethane, vali azo ma vanillin, ma isi. 3. E faʻaaogaina foʻi i le sauniuniga o le alkaline triphenylmethane dyes, azo dyes ma vanillin, ma isi. E faʻaaogaina foi e fai ma faʻamalosi i le gaosiga o le polyurethane foam ma o se mea mataʻutia mo le faʻalauiloaina o le vulcanization paʻu, mea pāpā ma vailaʻau. N, N-Dimethylaniline o loʻo faʻaaogaina i le falemaʻi vailaʻau e gaosia ai le cephalosporin V, sulfamethoxine N-methoxypyrimidine, sulfamethoxine o-dimethoxypyrimidine, fluorosporine, ma isi. E faʻaaogaina foi i le gaosiga o mea manogi e gaosia ai vanillin. 4. Fa'aaogaina e pei o se fa'avavevave fa'amalolo mo le epoxy resin, polyester resin ma le kelu anaerobic, ina ia fa'amausali vave le kelu anaerobic. E mafai foi ona faʻaaogaina e avea o se solvent, o se co-catalyst mo le polymerization o le ethylene compounds, o se faʻasao uʻamea, o se ultraviolet absorber mo cosmetics, se photosensitizer, ma isi. fa'a'ala'au fa'asolo, vali fa'ama'i, vali su'u-soluble ma mea manogi (vanillin), ma isi. E fa'aaogaina fo'i e fai ma mea mata mo le gaosiga o vali alkaline, fa'ama'ape'apeina, vali fa'ama'i, vali su'u-soluble ma mea manogi (vanillin), ma isi. fa'aaogaina e fai ma mea fa'afoliga mo le fuaina o le photometric o le nitrite. Fa'aoga fo'i e fai ma so'o, ma fa'aoga i le fa'aogaina o meaola.6. Fa'aaogaina e fai ma vaiulu vai, solvents, stabilizers, analytical reagents. [26]