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什么是可迁移性荧光增白剂?


网址:http://www.scvc8.com  时间:2018-11-29 11:19:33

什么是可迁移性荧光增白剂?
What is a migrable fluorescent whitening agent?
可迁移性荧光增白剂,是一种颜色调度剂,具有亮白增艳的效果,其特点是造价低廉,可用于纸张,涂料,洗衣粉,棉织物的增白,这类荧光增白剂可迁移到人体皮肤上被吸收进入人体造成损害,因此不能出现在出产日子用纸和妇婴用纸食品包装的纸张中。当造纸厂从出产有荧光的纸张转变到出产无荧光的纸张时,需要增加荧光消除剂来消除水循环体系中和浆料储存设备上残留的荧光剂。同时它也常常被用于损纸、再生纤维和脱墨浆中的荧光剂消除。
Movable fluorescent whitening agent is a kind of color dispatcher with brightening and brightening effect. It is characterized by its low cost and can be used to whiten paper, paint, detergent and cotton fabric. This kind of fluorescent whitening agent can migrate to human skin and be absorbed into human body to cause damage, so it can not appear in paper for daily use. Paper packaged with paper food for mothers and babies. When a paper mill changes from producing fluorescent paper to producing non-fluorescent paper, it is necessary to add fluorescent eliminators to eliminate the residual fluorescent agents in water circulation system and pulp storage equipment. It is also often used to eliminate fluorescent agents in paper loss, regenerated fibers and deinked pulps.
该荧光增白剂,能够吸收不行见紫外光,然后转换为波长较长的蓝色可见光。而咱们日常所用到的验钞笔中含有不行见的紫外光。用一支一般紫光验钞笔分别照耀样本,一般纸巾出现的是淡紫色,而含有可迁移性荧光增白剂的样品出现的颜色却是偏蓝色。
The fluorescent whitening agent can absorb the invisible ultraviolet light and then convert it into blue visible light with longer wavelength. And the money checking pens we use everyday contain invisible ultraviolet light. Samples are illuminated with a general purple photometric pen. The color of paper towels is light purple, while the color of samples containing migrable fluorescent brighteners is blue.
荧光增白剂厂家
荧光增白剂的毒性到底有多大呢?一般用LC50表示,洗涤剂常用的荧光增白剂CBS(或CBS-X)的LC50约5000mg/kg”。一般即便增加荧光增白剂,量也是十分少的,远远不能达到有毒性的范围。对于卫生巾中所增加的荧光增白剂,需要知道确切的种类,才能够确定其毒性。
How toxic are fluorescent whiteners? The LC50 of CBS (or CBS-X), a fluorescent whitening agent commonly used in detergents, is about 5000mg/kg. Generally, even if fluorescent whitening agent is added, the amount is very small, far from reaching the range of toxicity. For fluorescent whitening agents added to sanitary napkins, it is necessary to know the exact type to determine their toxicity.
可迁移性荧光增白剂是一种荧光染料,能够使纸张看起来皎白。对荧光增白剂的损害认识还不一致,缺少有关荧光增白剂毒性的权威数据。不过为了确保顾客的安全,标准规定纸巾纸不该有可迁移性荧光增白剂,防止荧光增白剂转移至人体。
Movable fluorescent whitening agent is a fluorescent dye, which can make paper look white. Understanding of the damage of fluorescent whiteners is inconsistent, and there is a lack of authoritative data on the toxicity of fluorescent whiteners. However, in order to ensure the safety of customers, the standard stipulates that paper towels should not have migrable fluorescent whitening agents to prevent the transfer of fluorescent whitening agents to the human body.
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 the above-mentioned Shandong Jiling Chemical Co., Ltd. provide, want to know more about fluorescent whitening agent manufacturers, welcome to pay attention to our website: http://www.scvc8.com Thank you for your support!

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