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Fluorescent whitening agent – an additive that can make plastic bags white!
Everyone uses plastic bags in life, such as disposable fresh-keeping bags, supermarket shopping bags, etc. The appearance of plastic bags has brought a lot of convenience to our lives, and it can be said that it is now an indispensable part of our lives. The plastic bags we usually see, no matter...Read more -
Plastic production added fluorescent whitening agent still not white, what’s the matter
In all plastic products, white accounts for a large proportion of plastics, such as white crisper boxes, PVC drain pipes, white food bags and so on. In the process of processing, many manufacturers increase their whiteness by adding fluorescent whitening agents. However, many manufacturers will e...Read more -
How to choose an effective plastic optical brightener
Plastic is a polymer compound polymerized by polyaddition or polycondensation. Its resistance to deformation is moderate, between fibers and rubber. It is composed of synthetic resins and additives such as fillers, plasticizers, stabilizers, lubricants, and pigments. composition. Because of the ...Read more -
Addition method and precautions of fluorescent whitening agent
Fluorescent whitening agent has always played the role of “monosodium glutamate” in plastic processing. The addition of a few ten thousandths can whiten and brighten plastic products and improve the appearance of plastics. There are many ways to add whitening agents, but their use ...Read more -
What are the factors that affect the color of white PVC profiles?
Influence of Resin Stability PVC resin is a heat-sensitive material, and there are many defects in its molecular structure, such as double bonds, allyl groups, residual initiator end groups, etc. According to the mechanism of free radicals, these defects are easily activated by heat and light to...Read more -
Analysis of the advantages and disadvantages of optical brightener OB-1
With the recent decline in the price of optical brightener OB-1, the cost-effectiveness of OB-1 has become more prominent, and some factories have begun to switch to OB-1 from other models. However, there are still some industries that choose to use optical brighteners OB, KCB, FP-127 and other m...Read more -
What type of fluorescent whitening agent is suitable for ink
Ink is a viscous colloidal fluid made of pigments, connecting materials, fillers, additives, etc. that are uniformly mixed and rolled repeatedly. The pattern and text are displayed on the substrate through printing. Most of them are used in various markets such as books, packaging and decoration....Read more -
What type of optical brightener is suitable for PET plastic
There are many classifications of plastics, and PET plastics are widely used in electronic appliances. For example, switches, electrical sockets, circuit breaker casings and other products, and most of these products are white in appearance. The appearance of PET plastic is milky white or...Read more -
How to choose fluorescent whitening agent for pearl cotton?
Pearl cotton is composed of numerous independent bubbles produced by physical foaming of low-density polyethylene resin. It is a new type of environmentally friendly packaging material. Ordinary EPE pearl cotton has a wide range of applications, and the general color is white. The prod...Read more -
Analysis of components of fluorescent whitening agent
Fluorescent whitening agent is a kind of organic compound that can improve the whiteness of fiber fabrics and paper, also known as optical whitening agent and fluorescent whitening agent. Fabrics, etc. are often yellow due to the inclusion of colored impurities, and chemical bleaching was used to...Read more -
![[Knowledge points] The whitening mechanism of fluorescent whitening agents!](//cdn.globalso.com/subangoba/封面4.jpg)
[Knowledge points] The whitening mechanism of fluorescent whitening agents!
White objects generally slightly absorb blue light (450-480nm) in visible light (wavelength range 400-800nm), resulting in insufficient blue color, making it slightly yellowish, and giving people a sense of old and unclean due to the affected whiteness . To this end, people have taken different m...Read more -
If the amount of optical brightener is too much, the whiteness of the fabric will decrease
There are many types of fluorescent whitening agents, and they are suitable for various fiber products and have many different usages and dosages. Although the chemical structure and performance of different types of fluorescent whitening agents are different, the whitening principles for product...Read more
![[Knowledge points] The whitening mechanism of fluorescent whitening agents!](http://cdn.globalso.com/subangoba/封面4.jpg)
