fluorescent whitening agent

基本解释

The main types, whitening mechanism and enviromental & ecological toxicology of fluorescent whitening agent(FWA)were introduced.
介绍了荧光增白剂的增白机理、基本结构类型、毒理及生态安全性。
Influences of fluorescent whitening agent(FWA) on whitening effect in PP, ABS, LDPE were investigated by measurement of spectrometer on injecting plastic plates.
通过测色仪对注塑色板白度测试表征荧光增白剂的增白效果，研究了荧光增白剂在PP、ABS、LDPE中增白效果的影响因素。
Fluorescent whitening agent ER was synthesized by the esterification reaction of phosphorous ether with o cyanobenzyl chloride dissolved in benzene.
用苯溶解邻氰基氯苄，再与亚磷酸三乙酯进行酯化反应，合成荧光增白剂ER。

荧光增白剂
Factors affecting fluorescent whitening agent were discussed through the experiment data. Factors including pulp brightness, water hardness, stock temperature, stock concentration, contact time, pH value and the dosage of aluminum sulfate, the dosage of PAM.
通过具体的实验数据说明原浆白度,水的硬度,浆料的温度、浓度,反应时间,pH值及硫酸铝的用量,PAM用量对浆内添加的荧光增白剂增白效果的影响。
化学
荧光增白剂
The fluorescent brightener derivated from stilbene is one of the most important fluorescent whitening agents, which is famous for its large kinds and producing capacity in fluorescent whitening agent industry.
二苯乙烯衍生的荧光增白剂是最重要的一类荧光增白剂，以其生产的品种多和产量大，在荧光增白剂工业中占有举足轻重的地位。
萤光增白剂