Petrochemical Products

In the packaging and papermaking industries, microcrystalline wax is primarily used as a coating agent, impregnating agent, and paraffin modifier, imparting moisture resistance, oil resistance, anti-adhesion properties, flexibility, and heat-sealability to paper.‌‌ ‌Moisture and Oil Barrier‌: When applied to the surface of packaging paper, it forms a dense layer that blocks the penetration of water vapor and oils. ‌Improved Physical Strength‌: When added as a paraffin modifier, it enhances the paper’s resistance to bending, plasticity, and flexibility, preventing brittle fracture at low temperatures. It is suitable for corrugated cardboard and flexible packaging materials. ‌Heat Sealing and Anti-Stick Properties‌: It provides an appropriate heat sealing temperature window for use in barrier coatings for composite packaging; it also imparts anti-stick properties to the surface, facilitating easy peeling. ‌Appearance and Printing Optimization‌: Increases the gloss of the paper surface; in some cases, it is used as an ink additive to enhance print clarity and adhesion.‌‌

Internal and External Lubrication to Improve Processing Efficiency: In the processing of plastics such as PVC and polyolefins, Fischer-Tropsch wax serves as an excellent external lubricant. It reduces friction between the material and processing equipment (such as screws and molds), thereby lowering torque and energy consumption and increasing production speed. At the same time, it also provides some internal lubrication, improving the flowability of the polymer melt and ensuring smoother processing.

Fischer-Tropsch wax is a high-performance polishing material. Thanks to its high melting point, low oil content, and excellent wear resistance, it is often used as a key ingredient in formulations or directly as a polishing agent. Below are its specific applications and advantages as a polishing material: Metal Polishing: It can be blended with shortening, polyethylene wax, polishing acids, and other ingredients to enhance the brightness and smoothness of metal surfaces, while also improving the polishing wax’s resistance to water, damp heat, and staining. Leather Polishing and Finishing: Fischer-Tropsch wax emulsions are used as leather finishing agents, providing the leather surface with excellent slip and polishability, making leather products appear more lustrous and feel better to the touch. They are also used in automotive polishes and for the care of leather goods such as leather sofas.

Fischer-Tropsch wax can be used in candle manufacturing, often as a substitute for or a modifier of paraffin wax, to improve burning stability, reduce shrinkage and deformation, and optimize appearance.‌‌ ‌Applications‌: Low-melting-point grades, after degreasing and refining, have a quality comparable to refined paraffin wax and are widely used in the manufacture of artisanal candles, pillar candles, and similar products; high- melting-point grades are primarily used for modification and blending rather than for candle production on their own. ‌Main Functions‌: Improves flame stability, reduces black smoke, lowers cooling shrinkage, enhances surface gloss, and helps extend burn time. ‌Usage Characteristics‌: Typically blended with natural waxes or paraffin to balance cost and performance; since pure Fischer-Tropsch wax has a high hardness, using it alone may increase brittleness.

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In the production of PVC pipes and color masterbatches, Fischer-Tropsch wax plays a key role as a highly effective lubricant and excellent dispersant. In the processing of rigid PVC pipes, Fischer-Tropsch wax is primarily used as an external lubricant. It works by forming an extremely thin lubricating film between the molten PVC and the metal surfaces of the processing equipment, thereby significantly reducing friction and adhesion. In masterbatch production, Fischer-Tropsch wax primarily serves as a dispersant and processing aid. Its core function is to help evenly disperse additives such as pigments and fillers within the polymer matrix. Enhanced Dispersion: Fischer-Tropsch wax wets pigment particles, breaks up agglomerates, and ensures uniform and consistent color, delivering excellent performance even under high-viscosity conditions or when using high-impact pigments.

Oxidized polyethylene wax is a widely used polymer processing aid, with its core applications falling into three categories: plastics processing, coatings and inks, and household chemicals. Plastics and Rubber Processing: This is its primary application area. In the processing of PVC pipes, profiles, films, and other products, it serves as both an internal and external lubricant, reducing adhesion between the resin and equipment and facilitating easier demolding. It also acts as a dispersant, helping to evenly distribute pigments and fillers and resulting in a smoother finished surface. In the production of color masterbatches, it similarly plays a key role in dispersion and lubrication. Additionally, it improves the processing flowability of materials such as rubber. Paints and Inks: When added to oil-based paints, water-based coatings, and printing inks, oxidized polyethylene wax improves the product’s wear and scratch resistance and prevents coating adhesion, without affecting gloss. It is also used in road marking paints, among other applications. Adhesives and Hot-Melt Adhesives: As a viscosity modifier, it is used to adjust the flow properties and bonding performance of hot-melt adhesives and various other adhesives.

Oxidized polyethylene wax is a low-molecular-weight polymer containing polar carbonyl and hydroxyl groups. Its core function in polymer processing is to simultaneously provide internal and external lubrication, disperse pigments and fillers, and serve as a coupling modifier, significantly improving the plasticization efficiency and surface quality of polar systems.‌‌ ‌Dual Lubrication‌: Polar groups provide strong‌ internal lubrication‌, while the long-chain alkane structure provides‌ external lubrication; ‌High Dispersion and Coupling‌: Polar functional groups adsorb onto filler/pigment particles, preventing agglomeration, enhancing dispersion uniformity, and improving interfacial bonding strength; ‌Thermal Stability Synergy‌: Some acidic groups help absorb HCl generated during degradation, extending the thermal stability of PVC and reducing efflorescence and blooming.‌‌

Oxidized polyethylene wax has various applications in the industrial field, mainly encompassing the following aspects: Coating and ink industry: Oxidized polyethylene wax is an important additive in coatings and inks. It provides good lubricity, helps to disperse pigments and dyes evenly, increases the gloss of coatings and inks, and improves their wear resistance and scratch resistance. It can also regulate the fluidity and viscosity of paints and inks, enhancing their printing performance. Plastics industry: In plastic processing, oxidized polyethylene wax is used as an internal and external lubricant, which can reduce the friction between plastic particles and equipment, improve the fluidity and processing performance of plastics, lower the processing temperature, and reduce energy consumption. At the same time, it can also enhance the surface glossiness and wear resistance of plastic products, and improve the molding and demolding performance of plastics.

Oxidized polyethylene wax is a polar wax with carbonyl and hydroxyl groups on its molecular chain. In hot melt adhesives, it primarily functions in two ways: Reduce melt viscosity and improve fluidity: OPE wax can penetrate between polymer molecular chains like a plasticizer, weakening the intermolecular interaction force, thereby reducing internal friction, decreasing melt viscosity, and increasing fluidity. This allows the hot melt adhesive to better wet the surface of the adherend during application. Providing lubricity: It can not only provide internal lubrication but also form an isolation layer between the molten polymer and the processing equipment, providing external lubrication and preventing adhesion.

The core advantage of oxidized polyethylene wax in PVC processing lies in its excellent compatibility brought by its molecular polar groups. It can balance internal and external lubrication, significantly promote plasticization, and enhance filler dispersion and product surface quality. ‌‌ Rigid PVC pipes/profiles: Leverage its plasticizing and balanced lubricating properties to enhance extrusion efficiency and dimensional stability. Highly filled PVC products: The higher the acid value, the stronger the internal lubrication, which accelerates plasticization and improves filler dispersion. Transparent/thin-walled products: Avoid precipitation haze to ensure transparency and mold release integrity. Foamed PVC: Regulate melt strength to enhance cell uniformity and surface flatness.

Micronized wax powder is used as a functional additive in shoe polish processing. Its core functions are to enhance abrasion resistance and anti- scratch properties, improve slip and feel, and assist in matting or gloss control. Anti-scratch and abrasion resistance: Regular spherical micronized wax migrates to the surface of the coating/wax film, forming hard micro- protrusions that reduce frictional damage and extend the duration of gloss retention on leather shoes. Feel modification: Provides a dry, smooth, and slippery tactile sensation while reducing dust attraction; specific particle sizes can produce a slight matting effect to avoid an overly glossy "plastic" shine. Anti-blocking and anti-settling: Improves the rheology of the paste, preventing wax-oil separation or caking at the bottom of the container during storage.

Micronized wax is a highly effective pigment dispersant in color masterbatch. Its core mechanism of action lies in the fact that its micron-level particle size is comparable to that of pigment particles, allowing it to effectively coat the surface of pigment particles, separate them from each other, and prevent agglomeration, thereby achieving excellent dispersion performance. Particle Size Match: The particle size of micronized wax is close to that of pigment particles, enabling it to uniformly fill the spaces between pigment particles and provide maximum wetting and coating effects. In contrast, conventional wax particles are much larger than pigments and cannot achieve this.

Main Functions and Principles Internal Lubrication: Micronized wax is compatible with the plastic melt at high temperatures, reducing internal friction between molecular chains and improving melt fluidity. This facilitates easier mold filling, especially for products with complex shapes or thin walls, and helps minimize defects such as short shots and weld lines caused by poor flow. External Lubrication: A portion of the micronized wax migrates to the melt surface, forming an extremely thin lubricating film. This reduces friction between the melt and the mold wall as well as the screw barrel, lowering equipment load and extending service life. Defect Elimination: Effectively eliminates surface defects such as flow marks and orange peel texture on finished products. Handfeel and Gloss: Imparts a delicate, smooth feel to the product surface and allows for adjustable gloss levels as required.