How to choose an effective plastic optical brightener

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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 properties of materials or plastic materials that can be arbitrarily kneaded into various shapes and can finally keep the shape unchanged, plastic products can be seen everywhere in our daily life. The recycling technology of plastics is also very mature. Many plastics are recycled and reused, and these colorful plastics are processed together, with uneven color distribution, ugly appearance, and poor quality. Even pure white plastics are used for a period of time. Recycling can also cause yellowing. In this case, it is necessary to add a plastic fluorescent whitening agent to uniform the hue of the plastic, increase the whiteness and brightness of the plastic, and also make the plastic better color.

Although the amount of fluorescent whitening agent in plastics is very small, it is indispensable. What are the commonly used fluorescent whitening agents in the plastics field? Xiaobian recommends several star products with high cost performance to you today.

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Plastic fluorescent whitening agent OB, its appearance is light yellow powder, suitable for all kinds of plastics, good light transmission, good weather resistance, environmental protection, is also a fluorescent whitening agent product approved for use on food packaging belts. Fluorescent whitening agent OB has very stable performance on plastics, but its whiteness may be slightly worse. If you have very high requirements on whiteness, then this is not recommended.

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Plastic fluorescent whitening agent OB-1, this product can be regarded as a star product in the plastic industry, with affordable price and good whitening effect. It is also suitable for various plastic products, with small amount of addition, migration resistance and good effect. Its price is relatively cheap, and it is the first choice of many plastic manufacturers, but in certain plastic products, its stability is poor and it is easy to migrate. So you still have to ask the customer service if it is using your product.

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Plastic fluorescent whitening agent FP-127, this fluorescent whitening agent product can be said to be born for PVC plastic, suitable for all kinds of PVC products, the addition amount is 2/10,000 to 5/10,000, and the whitening effect is obvious. , is also resistant to migration on PVC plastics. Whether you are soft or hard PVC products, you can choose fluorescent whitening agent FP-127.

 In addition, plastics of different materials have their own models of plastic fluorescent whitening agents. If you want to know more, you are welcome to inquire and we will communicate in detail. We will recommend a professional and targeted optical brightener product to you according to your product.


Post time: Apr-08-2022