精细化工
精細化工
정세화공
FINE CHEMICALS
2001年
5期
260-261,277
,共3页
叶青%裘兆蓉%王车礼%冯翠红%宗封琦
葉青%裘兆蓉%王車禮%馮翠紅%宗封琦
협청%구조용%왕차례%풍취홍%종봉기
人造麝香DDHI%熔融结晶%分离
人造麝香DDHI%鎔融結晶%分離
인조사향DDHI%용융결정%분리
用熔融结晶技术从DDHI混合物中分离提纯人造麝香DDHI,结晶的适宜条件为:结晶时间2 h,降温速率4 ℃/h,通氮气,发汗时升温速率为6 ℃/h,发汗时间为30 min。经过二级结晶,w(DDHI)=99.2%,收率为63.2%。
用鎔融結晶技術從DDHI混閤物中分離提純人造麝香DDHI,結晶的適宜條件為:結晶時間2 h,降溫速率4 ℃/h,通氮氣,髮汗時升溫速率為6 ℃/h,髮汗時間為30 min。經過二級結晶,w(DDHI)=99.2%,收率為63.2%。
용용융결정기술종DDHI혼합물중분리제순인조사향DDHI,결정적괄의조건위:결정시간2 h,강온속솔4 ℃/h,통담기,발한시승온속솔위6 ℃/h,발한시간위30 min。경과이급결정,w(DDHI)=99.2%,수솔위63.2%。
Melt crystallization was used to purify mixture of musk DDHI.It was shown that the appropriate operation conditions were crystallizing time 2 h,cooling rate 4 ℃/h for crystallization,heating rate 6 ℃/h for sweating,and sweat time 30 min.After crystallization,purity of the product was higher than 99.2%,and the yield was 63.2%.