Sidoo kale loo yaqaan dimethyl tiphenylamine, dareere saliid ah oo aan midab lahayn ilaa jaalle khafiif ah, oo leh ur daran, oo si fudud loogu oksaydhi karo hawada ama qorraxda hoosteeda oo loo isticmaalo ze mugdiga ah. Cufnaanta qaraabada ah (20)℃/ 4℃) 0.9555, dhibic barafaysan 2.0℃, dhibic karkaraya 193℃, barta iftiiminta (furitaanka) 77℃, barta iftiiminta 317℃, dheellitirka (25)℃) 1.528mpa-s, tusmada refractive (n20D) 1.5584. Ku milma ethanol, ether, chloroform, benzene iyo dareere kale oo organic ah. Ku milma noocyo kala duwan oo organic ah. Si yar ugu milma biyaha. Waa gubanway adag tahay waxayna gubi doontaa haddii uu olol furan jiro. Uumiga iyo hawadu waxay samayn doonaan isku-darka qarxa oo leh xadka qarxa oo ah 1.2% ~ 7.0% (vol). Aad bay u sun badan tahay, gaaska aniline-ka ee sunta ah waxaa sii daaya burburka tamarta kulaylka sare. Waxaa lagu nuugi karaa maqaarka oo sababi kara sumowga, LD501410mg/kg, xaddiga ugu badan ee la oggol yahay ee hawada waa 5mg/m3.
Habka kaydinta
1. Taxaddarrada Kaydinta[25] Ku kaydi kayd qabow oo hawo fiican leh. Ka fogow ilaha dabka iyo kulaylka. Weelka ku hay xiran. Waa in si gaar ah looga kaydiyaa asiidhyada, halogens-ka, iyo kiimikooyinka la cuni karo, oo aan waligood la isku qasin. Waxaa ku qalabaysan noocyo u dhigma iyo tirada qalabka dab-damiska. Meesha kaydinta waa in lagu qalabeeyaa qalab daaweyn degdeg ah oo loogu talagalay daadashada iyo agab hoy oo ku habboon.
2. Qaado baakad bir ah oo lagu xiray durbaanka, 180kg halkii durbaan, oo ku kaydi meel qabow oo hawo leh. Ku kaydi oo u rari sida waafaqsan xeerarka walxaha guban kara iyo kuwa sunta ah.
habka isku-darka
1. Waxaa laga helaa falcelinta u dhaxaysa aniline iyo methanol marka ay joogaan aashitada sulfuric heerkulka sare iyo cadaadiska sare. Socodka habka: 1. 790kg oo aniline ah, 625kg oo methanol ah, 85kg oo aashitada sulfuric ah (ammonium 100%) ayaa lagu daraa kildiga falcelinta, heerkulka xakamaynta 210-215℃, cadaadis 3.1MPa ah, falceli muddo 4 saacadood ah, ka dibna sii daa cadaadiska, walaxda waxaa lagu shubayaa kala-soocidda, waxaana lagu dhexdhexaadinayaa 30% sodium hydroxide, oo aan isbeddelin, milixda ammonium ee hoosena waa la kala saaraa. Dabadeed 160℃, 0.7-Falcelinta hydrolysis-ka 0.9MPa muddo 3 saacadood ah, badeecadaha hydrolysis-ka iyo lakabka sare ee walxaha saliidda leh oo lagu daray dhaqidda ka dib marka la nadiifiyo faakiyuumka badeecada la dhammeeyey.
2. Iyada oo la adeegsanayo methanol iyo aniline oo ah walxo ceeriin ah, waxaa sameeya kataliyaha alumina iyadoo la raacayo shuruudaha 200-250.℃iyadoo la isticmaalayo methanol xad dhaaf ah iyo cadaadis jawiga. Kootada isticmaalka alaabta ceeriin: aniline 790kg/t, methanol 625kg/t, sulfuric acid 85kg/tDiyaarinta shaybaarku waxay ka fal celin kartaa aniline iyadoo la adeegsanayo trimethyl phosphate.
3. aniline iyo methanol isku qasan (n aniline: n methanol)≈1:3), iyo iyada oo loo marayo bamka cabbiraadda aan garaaca wadnaha ahayn ee is-weydaarsiga ah ee lagu duray xawaaraha hawada 0.5h-1 ee fal-galiyaha oo ku qalabaysan kiciyaha, fal-celintu waxay marka hore ka soo baxdaa kala-soocidda dareeraha gaaska-galaaska galaaska, skala-soocaha hoostiisa dareeraha la ururiyey waqtiyo joogto ah ayaa laga saaraa falanqaynta koromografiga.
Sannadkii 2001, Jaamacadda Nankai iyo Tianjin Ruikai Technology Development Co., Ltd. waxay si wadajir ah u sameeyeen kataliye methylation aniline ah oo aad waxtar u leh, waxayna ogaadeen isku-darka marxaladda gaaska ee N,N-dimethyl aniline. Hawshu waa sidan soo socota: Aniline dareere ah ayaa lagu qasi karaa methanol, waxaana lagu uumi saaraa munaaradda uumiga, ka dibna waxaa la geliyaa fal-gale tuubo leh xawaare hawo oo ah 0.5-1.0h-1 (sariirta go'an ee fal-gale tuubada waxaa lagu qalabeeyay kataliye nano-adag oo buuxa), waxaana si joogto ah loo soo saaraa 250-300℃aan la garanayncadaadiska jawiga, oo leh wax soo saar DMA ah oo ka badan 96%.
Habka sifeynta: Badanaa waxaa ku jira wasakh sida aniline iyo N-methyl aniline. N,N-dimethylaniline waxaa lagu milmaa 40% sulfuric acid waxaana lagu sifeeyaa uumiga biyaha. Sodium hydroxide waxaa lagu daraa si looga dhigo alkaline. Sifeynta waxaa lagu sii wadaa uumiga biyaha. Sifeynta waxaa loo kala saaraa lakabyo biyo ah waxaana lagu qalajiyaa potassium hydroxide. Sifeynta cadaadiska caadiga ah waxaa lagu sameeyaa joogitaanka acetic anhydride. Sifeynta waxaa lagu dhaqaa biyo si looga saaro raadadka acetic anhydride, waxaa lagu qalajiyaa potassium hydroxide, waxaa ku xiga barium oxide, waxaana lagu sifeeyaa cadaadis yar marka ay jirto durdur nitrogen ah. Hababka kale ee lagu sifeeyo sifeynta waxaa ka mid ah ku darista 10% acetic anhydride iyo dib u soo celinta dhowr saacadood si looga saaro amines-ka koowaad iyo kan labaad. Ka dib qaboojinta, xad dhaaf ah oo ah 20% hydrochloric acid ayaa lagu daraa oo lagu soo saaraa ether. Lakabka aashitada hydrochloric waa alkaline oo leh alkali ka dibna waxaa lagu soo saaraa ether, lakabka ether-na waxaa lagu qalajiyaa potassium hydroxide waxaana lagu sifeeyaa cadaadis yar iyadoo la raacayo durdur nitrogen ah. N,N-dimethylaniline waxaa sidoo kale loo rogi karaa cusbo aashito picric ah, dib loogu celin karaa meel dhalaalaysa oo joogto ah ka dibna lagu burburin karaa xal diirran oo 10% biyo ah oo sodium hydroxide ah. Kadibna waxaa lagu soo saaraa ether, la dhaqay oo la qalajiyey, ka dibna la sifeeyay iyadoo cadaadis yar la saarayo.
5. Aniline, methanol iyo sulfuric acid oo isku qasan, falcelinta uumiga ee autoclave-ka, wax soo saarka falcelinta iyadoo la adeegsanayo soo kabashada cadaadiska ee methanol, ku dar dhexdhexaadinta alkali, kala soocida ka dibna kala-soocida iyadoo la adeegsanayo cadaadis yar si loo helo badeecada.
6. N,N-dimethylaniline waxaa lagu soo saari karaa falcelinta methylation-ka ee aniline iyo trimethyl phosphate, ka dibna waxaa soo saara ether, la qalajiyey oo la miiray.
7. N,N-dimethylaniline waxaa lagu samayn karaa sariirta kicinta ee Ziegler catalyst ee nidaamka copper-manganese ama nidaamka copper-zinc-chromium ee 280℃iyadoo la isku darayo aniline iyo methanol saamiga 1:3.5. N,N-dimethylaniline ee la helay waxaa la ururiyay 193-195℃qalab 54-tab ah oo lagu nadiifiyo tiirka oo lagu shubo dhalooyin galaas bunni ah. Si loogu diyaariyo N, N-dimethylaniline saafi ah, N, N-dimethylaniline waxaa lagu duri karaa gaas nitrogen ah oo ah gaas side ah oo lagu shubo gaaska chromatograph-ka diyaarinta.ch waxay leedahay tiir bir ah oo fosfate ah.
Codsiga ugu weyn
1. Waa mid ka mid ah agabka aasaasiga ah ee ceeriin ee soo saarista midabaynta ku salaysan cusbada (triphenylmethane dyestuff, iwm.) iyo dheeha alkali. 2. Waxaa loo isticmaalaa sidii dareere, ilaaliye bir ah, wakiil bogsiineed oo loogu talagalay epoxy resin, daawayn degdeg ah oo loogu talagalay resin polyester, isku-darka kicinta polymerization ee isku-dhafka ethylene, iwm. Waxaa sidoo kale loo isticmaalaa diyaarinta midabaynta alkaline triphenylmethane, midabaynta azo iyo vanillin, iwm. 3. Waxaa sidoo kale loo isticmaalaa diyaarinta midabaynta alkaline triphenylmethane, midabaynta azo iyo vanillin, iwm. 3. Waxaa loo isticmaalaa sidii kiciye soo saarista xumbo polyurethane iyadoo lala kaashanayo isku-dhafka organotin. Waxaa sidoo kale loo isticmaalaa sidii kiciye soo saarista xumbo polyurethane iyo sidii walxo ceeriin ah oo loogu talagalay dhiirrigeliyaha vulcanization caagga, walxaha qarxa iyo daawada. N,N-Dimethylaniline waxaa loo isticmaalaa warshadaha dawooyinka si loo soo saaro cephalosporin V, sulfamethoxine N-methoxypyrimidine, sulfamethoxine o-dimethoxypyrimidine, fluorosporine, iwm. Waxaa sidoo kale loo isticmaalaa warshadaha cadarka si loo soo saaro vanillin. 4. Waxaa loo isticmaalaa sidii dardar-geliye daaweyneed oo loogu talagalay epoxy resin, polyester resin iyo xabagta anaerobic, si xabagta anaerobic si dhakhso ah u adkaato. Waxa kale oo loo isticmaali karaa sidii dareere, isku-darka kicinta polymerization ee isku-dhafka ethylene, ilaaliye bir ah, nuugaya ultraviolet-ka qurxinta, sawir-qaadaha, iwm. Waxa kale oo loo isticmaali karaa sidii kiciye soo saarista midabada alkaline, kala firdhinta midabada, midabada aashitada, midabada saliidda ku milma iyo udgoonka (vanillin), iwm. Waxa kale oo loo isticmaalaa sidii walxo ceeriin ah oo loogu talagalay soo saarista midabada alkaline, kala firdhinta midabada, midabada aashitada, midabada saliidda ku milma iyo dhir udgoonka (vanillin), iwm. Waxaa loo isticmaalaa sidii reagent si loo go'aamiyo sawirka nitrite. Sidoo kale waxaa loo isticmaalaa dareere ahaan, waxaana loo isticmaalaa isku-darka dabiiciga ah.6. Waxaa loo isticmaalaa dhexdhexaadinta rinjiga, dareereyaasha, xasiliyeyaasha, iyo falanqeeyayaasha falanqaynta. [26]
Waqtiga boostada: Agoosto-20-2020




