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Case Study | Clariant AddWorks™ Additives Solve Plastic Yellowing Problem

Clariant China 2025-10-15 17:55:07

Case Study

"This storage box looks old?" — A brand-new transparent food container appears "worn out before being sold" due to its yellowed surface, leading consumers to mistakenly believe it is old stock. This is not only a flaw in appearance but also a critical factor affecting market competitiveness.

When our clients urgently need to solve the problem of #plastic yellowing,Clariant AddWorks™ LXR 568 High-Performance StabilizerLike a "magic potion," it helps clients.The degree of yellowing is reduced by 17%.The improvement results have restored the translucent color of plastic products.

Next, let's explore together.The Secret to the Success of AddWorks™ LXR 568

How to solve the problem of plastic yellowing?

When the customer used a peroxide viscosity-reducing random copolymer in their high-speed short-cycle injection molding process, despite the resin's superior performance in other aspects, the excessive discoloration throughout the molding process resulted in the final material exhibiting an excessively high yellowness index (YI).

The client needs a high-quality resin that can overcome yellowing defects and maintain the same quality level, enabling high-speed injection molding in a short cycle to ultimately produce packaging products with a transparent appearance and an attractive pure white color.

Clariant AddWorks™ LXR 568

High-performance stabilizer

Efficient whitening, convenient to use.

Clariant AddWorks™ LXR 568# High Performance StabilizerProvided in a free-flowing, dust-free micro-pellet form, easy to handle.Compared to traditional additive solutions, AddWorks™ LXR 568 is a product that canImproving the yellowing phenomenon of LLDPE, BOPP, and CPP films.The ideal solution. Excellent color stability、Excellent melt flow rate (MFR) stability Excellent oven aging performance。

The customer only needs toReplace some of the antioxidants with AddWorks™ LXR 568.Easily add to the selected resin and use in the intended process to significantly reduce the discoloration of materials during molding, and the final material's yellowing degree is less than before.Reduced by 17%Just the right shade of white is presented.Improved the appeal and marketability of the final material.。

Significantly improve the yellowness index

At the same time,AddWorks™ LXR 568 demonstrates significantly superior hydrolysis resistance compared to dedicated phosphite esters....and will not hydrolyze in ambient humidity...Reduce the occurrence of black spots.In addition, it can feed better under humid conditions and delay the formation of non-intentionally added substances (NIAS).

According to the principles of use and regulations for additives, AddWorks™ LXR 568 complies with the requirements of GB 9685-2016 for use in most thermoplastic polymers, especially.Polyethylene, polypropylene, polycarbonate, polystyrene, PEI, and PPE.

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Case Study | Clariant AddWorks™ Additives Solve Plastic Yellowing Problem

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