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影响荧光增白剂功能的6条要素


网址:http://www.scvc8.com  时间:2018-11-12 11:16:15

影响荧光增白剂功能的6条要素
6 factors affecting the function of fluorescent whitening agents
下列要素将影响荧光增白剂功能:
The following factors will affect the function of fluorescent whitening agents:
1.前处置,原资料的白度越高,则增白效果越好。
1. before disposal, the higher the whiteness of raw data, the better the whitening effect.
2.荧光增白剂的用量,每种荧光增白剂的饱和浓度都有其特定的极限,超越某一固定的极限值,不但增白效果不会添加而且反而会呈现“泛黄”景象,使得增白变成了“染黄”。
2. The saturation concentration of each fluorescent whitening agent has its specific limit when the dosage of fluorescent whitening agent exceeds a fixed limit. Not only will the whitening effect not be added, but also it will present a "yellowing" phenomenon, which makes the whitening become "yellowing".
3.酸碱度(pH值)的影响,不同pH值的染浴将间接影响到荧光增白剂的化学波动性和溶解度。pH值对离子 型荧光增白剂的吸光度影响较大。阳离子型荧光增白剂在pH>9 时吸光度分明下降,而阴离子型荧光增白剂在酸性条件下吸光度急剧下降。
3. The influence of pH value on the chemical fluctuation and solubility of fluorescent whitening agent will be indirectly affected by dyeing bath with different pH value. The pH value has great influence on the absorbance of ionic fluorescent whitening agents. The absorbance of cationic fluorescent whitening agent decreased sharply when pH > 9, while that of anionic fluorescent whitening agent decreased sharply under acidic conditions.
4.外表活性剂的影响,在离子型的荧光增白剂溶液中参加外表活性剂,对荧光增白剂的增白效果有影响。参加带相反电荷的外表活性剂时,会降低溶液的吸光度,有时甚至会招致荧光的猝灭作用,参加 同电荷的外表活性剂则无影响或影响极小
4. The effect of surfactant on the brightening effect of fluorescent brightener is affected by the addition of surfactant in ionic fluorescent brightener solution. Participation in surfactants with opposite charges will reduce the absorbance of the solution and sometimes even cause fluorescence quenching. Participation in surfactants with the same charges will have little or no effect.
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5.无机添加物的影响,有些增白剂在运用时添加食盐(或硫酸钠)可以进步(或控制)它在纤维上的吸附率。增白剂在染浴与织物之间的分配随溶液中无机盐的浓度而变化,添加无机盐的浓度可以进步增白剂的上染率。
5. Influenced by inorganic additives, some whiteners can improve (or control) their adsorption rate on fibers by adding salt (or sodium sulfate) when they are used. The distribution of whitening agent between dyeing bath and fabric varies with the concentration of inorganic salt in solution, and the concentration of inorganic salt can improve the dyeing rate of whitening agent.
6.色光调理,荧光增白剂与不同印染助剂同时使用时,其色彩将随助剂的不同而微有影响。爲到达同一色彩,必要时可加微量染料停止调理。
6. When fluorescent brightener and different printing and dyeing auxiliaries are used at the same time, their color will be slightly affected by the different auxiliaries. To reach the same color, if necessary, add trace dyes to stop conditioning.
综上所述有山东吉凌化工178彩票注册提供,想了解更多荧光增白剂厂家知识,欢迎关注我们的网站:http://www.scvc8.com谢谢支持!
In summary, all of the above-mentioned information provided by Shandong Jiling Chemical Co., Ltd. would like to know more about the manufacturers of fluorescent brighteners. Welcome to our website: http://www.scvc8.com. Thank you for your support!

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