Maleic Anhydride Grafted Wax Release Agent CAS 68441‑17‑8 is polyethylene‑based wax modified via maleic‑anhydride grafting reaction. Active anhydride functional groups are covalently attached to the non‑polar polyethylene backbone. Different from ordinary oxidized polyethylene wax, the reactive anhydride groups can interact with hydroxyl groups on the surface of glass fiber, talc, calcium carbonate and other inorganic fillers. It acts as an interfacial compatibilizer to enhance resin‑filler inte

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Product Detail Page: Maleic Anhydride Grafted Wax is produced by reactive grafting of maleic anhydride onto low‑molecular‑weight polyethylene under high‑temperature extrusion conditions. The molten product is filtered, refined, cooled and solidified, then processed into granules, flakes or fine powder. Each production batch is tested for softening point, grafting rate, melt viscosity, thermal stability, filler dispersion and lubricating‑release performance, to guarantee consistent quality for reinforced and filled engineering‑plastic compounding.

Engineering plastic modification with high loading of glass fiber or mineral filler faces serious processing challenges. Inorganic fillers tend to form tight agglomerates. Without suitable reactive compatibilizing wax, filler clusters remain in the polymer matrix after twin‑screw extrusion. These agglomerates create surface speckles, reduce impact strength and deteriorate overall mechanical performance of finished modified plastics. Simple non‑polar lubricating wax cannot build effective interfacial interaction between hydrophobic polymer resin and hydrophilic inorganic filler, resulting in weak resin‑filler adhesion. Inadequate internal lubrication increases melt viscosity and extrusion torque; insufficient external lubrication causes molten compound to adhere to extruder screws and die lips. Degraded residues gradually build plate‑out deposits, which force frequent machine shutdown for die cleaning during continuous compounding production.

When premixed with base resin, inorganic fillers, glass fiber and stabilizers at the recommended dosage, maleic anhydride grafted wax melts under extrusion heat and shear. The reactive anhydride groups interact with hydroxyl sites on inorganic filler surfaces, improving filler wetting and de‑agglomeration, so fillers distribute evenly inside the polymer matrix and enhance interfacial adhesion between filler and resin. The hydrocarbon wax segment delivers internal lubricating function, lowering intermolecular friction of molten compound and stabilizing extrusion torque. A fraction of wax migrates toward the metal‑melt boundary to build a low‑friction slippery film, which reduces resin‑metal adhesion, restricts plate‑out accumulation on die lips and provides auxiliary mold‑release property for subsequent injection molding of finished engineering‑plastic components.

Precise dosage control is critical for formulation work. Under‑dosage results in insufficient interfacial compatibilization, poor filler dispersion, high extrusion torque and severe plate‑out. Excessive loading will reduce the molecular cohesion of polymer matrix, impair the mechanical strength of filled‑reinforced engineering plastics and may induce surface blooming on molded articles. Laboratory compounding trials are strongly recommended before mass‑scale production. This grafted wax can be used together with antioxidants, heat stabilizers and mineral or fibrous fillers for modified PA, PBT, PET, PP and ABS systems.

For compounding operations, granular, flaked or powdered maleic‑anhydride grafted wax is added during high‑speed premixing with resin, fillers and stabilizers prior to twin‑screw extrusion pelletizing.

Protect the product against moisture and foreign contaminants. Long‑term high‑temperature storage may cause softening and mild caking of wax particles.

Major application fields: reactive dispersion and lubricating release additive for glass‑fiber‑reinforced PA, PBT, PET compounding; processing auxiliary for high‑mineral‑filled PP and ABS modification; anti‑plate‑out compatibilizing wax for engineering‑plastic masterbatch production.

Store the product in tightly‑sealed original bags within 15‑30℃, maintain dry storage and avoid direct sunlight

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Maleic Anhydride Grafted Wax Release Agent CAS 68441-17-8, Filler Dispersion for Engineering Plastic Compounding

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Jishengya Technology

Shenzhen Jishengya Technology Co., Ltd. is located in Shenzhen, a special economic zone, and is a comprehensive technology enterprise integrating independent R&D, production and sales.