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荧光增白剂基本常识问答


网址:http://www.scvc8.com  时间:2018-10-24 13:51:08

荧光增白剂基本常识问答
Basic knowledge of fluorescent whitening agents Q & A
1.什么是荧光增白剂
1. what is fluorescent whitening agent?
荧光增白剂自身就是一种近乎无色的染料,它能够把光线中对人有害的紫外线吸收掉,一部分转化成了自己的振动能,而另一部分则转化为可以看到的蓝色光线,这样,衣物看起来更白、更艳丽。实际上,它运用的是一种视角效应。
Fluorescent whiteners themselves are a nearly colorless dye that absorbs harmful ultraviolet rays from the light, converting some into their own vibrational energy, and others into visible blue light, making the clothes look whiter and brighter. In fact, it uses a perspective effect.
2.荧光增白剂有辐射性吗
2. is fluorescent whitening agent radioactive?
荧光增白剂自身没有任何辐射性。它反而会吸收阳光中的紫外线辐射并进行无害化转化。
The fluorescent whitening agent itself has no radioactivity. Instead, it absorbs ultraviolet radiation from the sun and carries out harmless transformation.
3.运用洗涤剂会导致增白剂在体内堆集吗
3. does detergent use cause whitening agents to accumulate in the body?
运用洗衣机洗衣服,增白剂简直没有机会直接与皮肤触摸,洗涤剂中增白剂的参加量一般缺乏千分之四,经过洗衣机最终一道程序,衣物纤维外表上附着的增白剂残留量在0.1ppm以下,皮肤简直无法与增白剂直触摸摸。在用手洗衣时,即使每天手洗五次,每次半小时计,残留在双手上的增白剂的最高极限剂量也不会超越3.02ug/kg体重,并且增白剂不会进入皮肤的表皮层和真皮层,仅有少数附着在皮肤外表的角质层,且在72小时后即随人体新陈代谢或洗手等活动而彻底消失,没有任何数据或证据标明增白剂会在人体内堆集。很多哺乳动物及鱼类的代谢试验标明,增白剂首要经过粪便代谢,经过尿液代谢很少。因而,不小心误吞少数荧光增白剂不会在人体的器官内逗留和积储,大部分在很短时间内就经过粪便排出体外。
The use of washing machine washing clothes, whitening agent almost no chance to directly touch the skin, detergent in the amount of whitening agent participation is generally lack of four thousandths, after the final washing machine program, clothing fiber surface adhesion of whitening agent residue below 0.1 ppm, the skin simply can not touch the whitening agent directly. When washing by hand, the maximum dose of whitening agent remaining on both hands will not exceed 3.02 ug/kg body weight even if hand washing is done five times a day and half an hour at a time, and the whitening agent will not enter the epidermis and dermis of the skin. Only a few of the whitening agents adhere to the cuticle of the skin surface, and will be replaced immediately after 72 hours. There is no data or evidence that whitening agents accumulate in the body. Metabolic tests in many mammals and fish have shown that whitening agents are primarily metabolized by feces and rarely by urine. Therefore, accidentally swallowing a small number of fluorescent brighteners will not stay in human organs and storage, most of the excreted in a very short period of time through the stool.
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4.荧光增白剂依托什么来使衣物亮白
4. fluorescent brighteners rely on what makes the clothes bright and white.
增白剂将光线中有害的,看不见的紫外线转化成可见的蓝光,使衣物视觉上更亮堂,皎白,紫外线的能量较高,在转化时虽然会丢失部分能量,构成的蓝光强度仍然很高,中和了丑陋的灰黄色,使织物看起来更亮堂。
Bleaching agents convert harmful, invisible ultraviolet light into visible blue light, making clothes visually brighter, whiter, and higher energy of ultraviolet light. Although part of the energy is lost during conversion, the blue light intensity is still high, neutralizing the ugly gray-yellow, making the fabric look brighter.
荧光增白剂决不是像涂料那样去隐瞒未洗净的污渍,由于它在织物上的吸附量实在太少了,仅仅在ppm级,即百万分之一的量级,缺乏以隐瞒数万倍于它尺度巨细的污渍。它首要靠从紫外线转化而来的亮堂蓝紫光来到达视觉上更亮堂、更皎白艳丽的作用。增白剂的运用大大削减或杜绝了耗能且对环境不友好的传统高温漂白剂的运用,并且用量级低就能发挥作用,实为绿色环保的功能化学品。
Fluorescent whiteners are by no means the same as coatings to hide unwashed stains, because they absorb too little on the fabric, only in the PPM level, that is, one-millionth of the order of magnitude, the lack of to hide tens of thousands of times its size stains. It depends primarily on the brilliant blue-purple light transformed from ultraviolet light to achieve visual brighter, more white and gorgeous effect. The use of whitening agent greatly reduces or eliminates the use of energy-consuming and environmentally unfriendly traditional high-temperature bleaching agent, and low dosage level can play a role, is a green environmental protection functional chemicals.
5.荧光增白剂致癌、致畸吗
5. is fluorescent whitening agent carcinogenic and teratogenic?
到现在为止,荧光增白剂已经在全球范围内工业化运用了超越60年,没有有任何致癌、致畸的报导,并且在过去得到30年中,欧洲的大公司曾帮忙欧共体及欧盟的相关组织、对洗涤剂和造纸中运用最广泛的几种增白剂进行很多的研讨,堆集了海量的数据。现在广泛运用的洗涤剂用增白剂无任何致癌或致畸性。
So far, fluorescent brighteners have been industrialized worldwide for more than 60 years without any carcinogenic or teratogenic reports, and in the past 30 years, European companies have helped the relevant organizations of the European Community and the European Union to do a lot of work on detergents and several of the most widely used brighteners in paper-making. The discussion accumulated huge amounts of data. Nowadays, widely used detergents have no carcinogenic or teratogenic properties with whitening agents.
6.荧光增白剂会引起皮肤影响或过敏吗
6. can fluorescent whitening agents cause skin effects or allergies?
很多的毒理学数据显现,现在在洗涤剂中运用的增白剂,即使最高用量的10倍以上也不会引起皮肤影响或过敏。是十分安全的。有些顾客可能会过错地将衣物纤维、残留碱或其他因素引起的暂时性皮肤影响轻易地归结为洗涤剂中的某种组分所造成的。一起,暂时性皮肤影响与过敏是有差异的,一般的顾客往往会不精确的将影响性用过敏来表述。
Many toxicological data suggest that whitening agents now used in detergents, even if the maximum dose is more than 10 times, do not cause skin irritation or allergies. It is very safe. Some customers may wrongly attribute temporary skin effects caused by clothing fibers, residual alkali or other factors to a component in the detergent. Together, there is a difference between temporary skin effects and allergies, and the average customer tends to inaccurately express the effects in terms of allergies.
7.荧光增白剂与漂白剂有何差异
7. what is the difference between fluorescent whitening agents and bleaching agents?
荧光增白剂是运用其吸收紫外线放出可见蓝紫色光的光学转化原理进行物理增白的,漂白剂则是运用对基质激烈的化学作用来损坏黄色或有色物质的发色结构来完成漂白这一化学进程,二者之间有很大的差异。面粉增白剂过氧化苯甲酰实际上是一种化学漂白剂。而一般的顾客乃至一般学者草率的将之归为增白剂是不恰当的。
Fluorescent brighteners use the principle of optical conversion to absorb ultraviolet light and emit visible blue-purple light for physical brightening, while bleaching agents use intense chemical action on the substrate to damage the chromogenic structure of yellow or colored substances to complete the chemical process of bleaching. There are great differences between the two. Flour bleaching agent benzoyl peroxide is actually a chemical bleaching agent. It is inappropriate for ordinary customers and even ordinary scholars to haste to classify them as whitening agents.
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Shandong Jiling Chemical Co., Ltd., the fluorescent brightener manufacturers interested in friends can pay attention to our http://www.scvc8.com, please look forward to more exciting content

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