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影响荧光增白剂在洗衣粉中作用的因素你知道吗?


网址:http://www.scvc8.com  时间:2019-06-12 17:16:57

  影响荧光增白剂在洗衣粉中作用的因素你知道吗?
  Do you know the factors that affect the function of fluorescent whitening agent in laundry powder?
  荧光增白剂是一种重要的洗衣粉添加剂。在高档洗衣粉中,增白剂成分是必不可少的,且添加量相对较高。在洗衣粉系统中,增白剂主要有两种作用:一种是对洗衣粉本身进行增白,另一种是对织物进行增白。洗衣粉是多种成分的复合体,其洗涤效果与多种因素和条件有关,这些因素和条件对增白剂的性能有不同程度的影响。
  Fluorescent whitening agent is an important detergent additive. In high-grade laundry powder, whitening agent ingredients are indispensable, and the amount of whitening agent is relatively high. In the detergent system, whitening agent has two main functions: one is to whiten the detergent itself, the other is to whiten the fabric. Laundry powder is a complex of many ingredients. Its washing effect is related to many factors and conditions, which have different effects on the properties of whitening agent.
  一、荧光增白机理
  I. Fluorescence Whitening Mechanism
  荧光是一种特殊的发光现象。当某种类型的光照射到发出荧光的材料上时,它会发出不同的颜色和不同强度的光,其中大部分是可见光,但也有少量不可见的紫外光和红外光。荧光增白剂是一种吸收紫外光并发出蓝色或紫蓝色的荧光材料。荧光增白剂吸附剂具有增白作用的原因在于,荧光增白剂吸附剂材料不仅可以向物体发射可见光,还可以将不可见的紫外光反射为可见光,从而提高物体对光的反射率。随着反射光量的增加,反射光强度超过了原投射在被加工物体上的可见光强度,人眼感觉被荧光增白剂增加了。
  Fluorescence is a special phenomenon of luminescence. When a certain type of light shines on the fluorescent material, it emits different colors and intensities of light, mostly visible light, but also a small amount of invisible ultraviolet and infrared light. Fluorescent whitening agent is a kind of fluorescent material that absorbs ultraviolet light and emits blue or purple blue. The reason why fluorescent whitening agent adsorbent has whitening effect is that fluorescent whitening agent adsorbent material can not only emit visible light to the object, but also reflect the invisible ultraviolet light to visible light, thus improving the reflectivity of the object to light. As the amount of reflected light increases, the intensity of reflected light exceeds that of visible light projected on the processed object, and the human eye sensation is increased by fluorescent whitening agent.
  白度一直被认为是完美洗涤的标志。然而,水洗后的白色织物具有非常淡的黄色调,这是由于植物受到光污染、热等因素的影响,蓝色波段的反射光相对引起的光缺陷。洗涤剂用荧光增白剂的吸收波长为300-400mm,发射波长为400-500mm。这种蓝色或紫罗兰色的波长正好与黄色的波长互补。含有荧光增白剂的洗涤剂使洗涤后的织物变白,达到最佳的白度,同时提高了织物的亮度和鲜艳的颜色。
  Whiteness has always been considered a sign of perfect washing. However, the washed white fabrics have very light yellow hue, which is due to the plant's light pollution, heat and other factors, the reflection of blue band light relative caused by light defects. The absorption wavelength and emission wavelength of fluorescent whitening agent for detergent are 300-400 mm and 400-500 mm respectively. The blue or violet wavelength complements the Yellow wavelength. The detergent containing fluorescent whitening agent can whiten the washed fabric to achieve the best whiteness, and at the same time improve the brightness and bright color of the fabric.
  荧光增白剂的性能要求
  Performance requirements of fluorescent whitening agents
                     荧光增白剂厂家
  优秀的荧光增白剂应满足以下要求:(1)对纤维的亲和力好,(2)对氧、光、氯的稳定性和牢度好。优良的氯代漂白剂、氧代漂白剂及强耐酸耐碱性能,与漂白剂具有良好的配伍性,不易溶解;(3)在粉体和浆料中溶解性好,分散性好;避免不均匀的美白和变色。
  Excellent fluorescent brighteners should meet the following requirements: (1) good affinity for fibers, (2) good stability and fastness to oxygen, light and chlorine. Excellent chlorinated bleaching agent, oxygen bleaching agent and strong acid and alkali resistance have good compatibility with bleaching agent and are not easy to dissolve; (3) good solubility and dispersion in powder and pulp; avoid uneven whitening and discoloration.
  溶解度对增白剂性能的影响
  Effect of Solubility on the Properties of Whitener
  增白剂的溶解度直接关系到增白剂的增白类型和去污能力。大超级增白剂密度、微粒的液体,溶解迅速分散在水中,溶解物质的出现将是青白色,然而普通的增白剂粉,没有流动性,表面的水分子之间的相互关注,混合分散,不易溶解后也预计将显示淡黄色或乳白色,增白剂溶解度差,容易使美白不均匀结构。超级增白剂在加入少量后,可以对洗衣粉和洗衣粉都有很强的增白效果。加入一定量的增白剂可以大大提高清洗能力。不同类型和用量的增白剂对洗涤剂糊粉的增白效果不同。
  The solubility of whitening agent is directly related to the whitening type and decontamination ability of whitening agent. Large super whitening agent density, particles of liquid, dissolved quickly dispersed in water, the appearance of dissolved substances will be blue-white, but ordinary whitening agent powder, no mobility, surface water molecules of mutual concern, mixed dispersion, not easy to dissolve after it is also expected to show pale yellow or milky white, whitening agent solubility is poor, easy to make the whitening uneven structure. After adding a small amount of super whitening agent, it can have a strong whitening effect on laundry powder and detergent. Adding a certain amount of whitening agent can greatly improve the cleaning ability. Different types and dosages of whitening agents have different whitening effects on detergent paste.
  四、洗涤次数增加美白效果
  4. Increasing whitening effect by washing times
  随着荧光增白剂含量的增加,白度值呈上升趋势。当增白剂达到一定含量后,再增加洗涤次数,增白性能发生变化,洗涤白度不再增加或缓慢增加。这是因为增白剂在纯棉布上有一定的吸附量。当漂白剂在洗涤液中的含量较低时,随着漂白剂洗涤次数的增加,漂白剂在纯棉织物上积累了吸附和脱附,达到动态平衡,如果洗涤次数增加,白度没有明显的影响。
  With the increase of the content of fluorescent brightener, the whiteness value showed an upward trend. When the whitening agent reaches a certain content, the whitening performance will change with the increase of washing times, and the whiteness will not increase or increase slowly. This is because the whitening agent has a certain amount of adsorption on pure cotton cloth. When the content of bleaching agent in the detergent is low, the adsorption and desorption of bleaching agent accumulate on pure cotton fabric with the increase of the washing times, reaching a dynamic equilibrium. If the washing times increase, the whiteness has no obvious effect.
  漂白剂对增白效果的影响
  Effect of Bleaching Agent on Bleaching Effect
  兼容性漂白剂和光亮剂,漂白剂可以提高美白剂的影响织物颜色测量和色牢度,即增白剂的作用,漂白剂组件的表面上是消除白色的面料,白色衣服更白,和织物表面去除泥土的颜色,视觉照明效果。使色彩能够显得更加艳丽,两者的协同作用非常强。系统中氧漂白剂基团对增白剂性能有协同作用。可提高洗涤效果,降低配方成本。
  Compatibility bleaching agent and brightener, bleaching agent can improve the effect of bleaching agent on fabric color measurement and color fastness, that is, the role of bleaching agent. The surface of bleaching agent component is to eliminate white fabric, white clothes are whiter, and the surface of fabric is to remove the color of clay, visual lighting effect. So that the color can appear more gorgeous, the synergy between the two is very strong. The oxygen bleaching group in the system has synergistic effect on the performance of bleaching agent. It can improve the washing effect and reduce the formula cost.
  洗浴比的大小对增白效果有一定的影响。当镀液比在一定范围内增大时,效果较好。
  The bath ratio has a certain influence on the whitening effect. When the bath ratio increases in a certain range, the effect is better.
  荧光增白剂作为一种新型的洗涤剂正在被越来越多的人使用,增白剂可以达到理想的美白效果同时,如果使用不当也会使衣服洗花或洗坏,所以正确使用不仅可以达到理想的效果,而且还可以节省洗涤剂。
  As a new type of detergent, whitening agent is being used by more and more people. The whitening agent can achieve ideal whitening effect. At the same time, if used improperly, it can also make clothes washed or spoiled. Therefore, correct use can not only achieve the desired effect, but also save detergents.

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