Kopo
N,N-dihydroxyethyl-p-methylaniline ke motsoako oa tlhaho bakeng sa lidae, meriana, chefo e bolaeang likokoanyana, jj. Sehlopha sa ester sehlopheng sa li-amino tse qetellang se etsa hore mofuta ona oa dae o be le thepa e ntle haholo. E nkile 'maraka o itseng ho tloha ha e lokisoa. Hona joale, tlhoko ea lehae e kholo, 'me ho ntse ho e-na le bokhoni bo itseng ba' maraka linaheng tse ling. Ho ithuta tlhahiso ea eona le ts'ebetso ho na le bohlokoa bo boholo ba moruo le bo sebetsang.
Mokhoa oa ho kopanya
N,N-dihydroxyethyl-p-methylaniline e ka etsoa ka mehato e latelang: Kenya 1,000 g ea p-methylaniline le 10 g ea metsi ho autoclave ea 5L, u futhumatse ho fihlela ho 60 ℃ ~ 65 ℃ 'me u hlohlelle metsotso e 30, ebe u eketsa 100 g ea ethylene oxide 'me u boloke mocheso ho 65 ~ 70 ℃ ka lihora tse 4. Ebe u eketsa 100 g ea ethylene oxide ka hare ho lihora tse 4, boloka mocheso ho 70 ~ 75 ℃, u arabe ho 70 ~ 80 ℃ ka lihora tse 3 kamora ho feta, 'me u pholise ho fihlela ho 30 ℃. Tharollo ea karabelo e ile ea eketsoa ka ketleleng ea distillation, 'me sehlahisoa se ile sa bokelloa ho 143-148°C (1.3-1.6 kPa), ka chai ea 86% le bohloeki ba ho feta 98%. Karolo e ka pele e ka sebelisoa hape ho eketsa chai. Sehlahisoa ke 'mala o mosehla o bobebe.
Nako ea poso: Mmesa-08-2025







