1) Bimetallic initiator
双金属引发体系
2) organic double metal initiator
有机双金属引发体系
4) Ti or P promoted nickel-molybdenum system
钼镍双金属体系
5) Al-Cu bimetallic system
Al-Cu双金属体系
1.
The decoloration mechanism and kinetics of the azo dye reactive red X3B by an Al-Cu bimetallic system were investigated by measuring the dye removal, the TOC removal and the aniline concentration,and by adding EDTA as control experiments.
以典型偶氮染料活性艳红X-3B为模型污染物,采用测定染料去除率、TOC去除率、苯胺生成量的方法及添加EDTA的对照试验,考察Al-Cu双金属体系对偶氮染料废水的脱色机理和脱色动力学。
6) initiation system
引发体系
1.
In order to overcome the defects of expensive Ce4+ salt and the difficulty in industrial application,the influence of the initiator concentration,the dosage of acrylonitrile and temperature on the ration and efficiency of grafting was studied with Fe~(2+)-H_2O_2 initiation system, assessing the grafting ratio and grafting efficiency as the evaluation index.
为克服引发剂铈盐较昂贵,工业应用难的缺点,实验采用Fe2+-H2O2引发体系引发丙烯腈接枝改性淀粉,采用接枝率和接枝效率作为评价接枝效果的指标,详细研究了接枝的工艺及其引发剂浓度、丙烯腈单体的用量和接枝温度对接枝率和接枝效率的影响。
2.
The influence of the concentration of the initiator ,the dosage of acrylonitrile and grafting temperature on the grafting ratio and the grafting efficiency were researched with CAN-KPS initiation system for overcoming the defects of expensive Ce4+and difficulty in industrial application,acting the grafting ratio and the grafting efficiency as the evaluation index.
为克服引发剂铈盐较昂贵,工业应用难的缺点,实验采用CAN-KPS复合引发体系引发丙烯腈接枝改性淀粉,采用接枝率和接枝效率作为评价接枝效果的指标,详细研究了接枝工艺及其引发剂浓度、丙烯腈单体的用量和接枝温度对接枝率和接枝效率的影响,结果表明:接枝率达130%以上,接枝效率达90%以上,可较好地代替铈盐引发剂。
3.
Main initiation systems,auxiliary means for the ring-opening polymerization of ε-caprolactone to obtain polycaprolactone and their application as biomedical materials are focused on and the developing direction is respected.
综述了聚己内酯的性质、合成与应用情况,重点介绍了由ε-己内酯合成聚己内酯所用的主要引发体系和辅助聚合手段、聚己内酯作为生物医用材料的应用,并探讨了聚己内酯今后的发展方向。
补充资料:双金属、多金属重整
分子式:
CAS号:
性质:采用含有两种或两种以上金属组元重整催化剂的催化重整过程。但反应器可以是固定床也可以是移动床。一般的双金属多指铂和铼,还有铂和锡、铂和铑等;多金属有铂、铼、钛或铂、铱再加上其他金属,这类催化剂活性好可以在较低压力下操作,如铂铼为1.4~1.8MPa,多金属催化剂在移动床甚至可低于0.7MPa。且芳烃转化率高,双金属固定床可达芳潜的120%,而移动床连续重整可达150%~170%。但双金属和多金属催化剂比单铂催化剂对原料中的杂质更敏感。
CAS号:
性质:采用含有两种或两种以上金属组元重整催化剂的催化重整过程。但反应器可以是固定床也可以是移动床。一般的双金属多指铂和铼,还有铂和锡、铂和铑等;多金属有铂、铼、钛或铂、铱再加上其他金属,这类催化剂活性好可以在较低压力下操作,如铂铼为1.4~1.8MPa,多金属催化剂在移动床甚至可低于0.7MPa。且芳烃转化率高,双金属固定床可达芳潜的120%,而移动床连续重整可达150%~170%。但双金属和多金属催化剂比单铂催化剂对原料中的杂质更敏感。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条