Ethylcarbamide is used for the production of valuable chemical substances and as an effective additive in the manufacture of modified polyamide fibres. The method for the preparation of ethylcarbamide includes reaction between aqueous solution of ethylamine, nitric acid and sodium cyanate in molar ratios 1.0-1.2:1.1-1 :1 and subsequent flaking of recrystallization of the ethylcarbamide.
申请公布号
BG99108(A)
申请公布日期
1996.04.30
申请号
BG19940099108D
申请日期
1994.10.13
申请人
PENDEV, SJULEJMAN A.;STEFANOVA, NIKOLINA D.;BOGDANOVA, SLAVEJKA G.;DZHURDZHEV, IVAN A.;KOTSEVA, SLAVKA S.
发明人
PENDEV, SJULEJMAN A.;STEFANOVA, NIKOLINA D.;BOGDANOVA, SLAVEJKA G.;DZHURDZHEV, IVAN A.;KOTSEVA, SLAVKA S.