As an important modified wax, oxidized wax demonstrates unique value in the PVC product manufacturing process. Its main functions are reflected in the following key aspects:

Excellent Lubrication Performance
The polar groups in oxidized wax molecules enable it to provide lubrication both within the PVC melt and at the melt-equipment interface. This unique dual-effect lubrication mechanism not only effectively reduces processing energy consumption by 15-25% but also significantly increases extrusion rates while avoiding poor plasticization caused by excessive lubrication.

Surface Modification Function
Through its special molecular structure, oxidized wax can form a uniform nanoscale protective film on the product surface. This film not only eliminates surface defects and improves product gloss (by up to 30%) but also effectively prevents additive precipitation, making it particularly suitable for the production of high-transparency products.

Thermal Stability Synergy
The active groups such as carboxyl groups in oxidized wax can synergize with primary stabilizers, extending the thermal stability time of formulations by 20-40% through HCl absorption and passivation of metal chlorides. This characteristic is particularly important under high-temperature processing conditions.

Dispersion Promotion Effect
In filled systems, oxidized wax acts as an efficient dispersant. Its polar end binds to inorganic fillers while the non-polar end is compatible with PVC. This "bridging" effect improves filler dispersion uniformity by more than 50%, significantly enhancing the mechanical properties of the products.

Environmental and Safety Advantages
Compared to traditional lubricants, oxidized wax is non-toxic and free from heavy metals, with extremely low volatile organic compound (VOC) content, fully meeting the strict requirements for food-grade and medical-grade products.

Practice shows that adding 0.3-1.0 phr of oxidized wax can significantly improve the processing performance and product quality of PVC. In modern PVC formulations, oxidized wax has become a key component for achieving efficient and environmentally friendly production, with its multifunctional characteristics providing important technical support for developing high-performance PVC products.

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