GMA Reactive Toughener AX8840, Ethylene-Acrylate-GMA Terpolymer for PPS Engineering Plastic Impact Modification
AX8840 is a reactive GMA functionalized terpolymer toughener based on ethylene-acrylate-GMA backbone. The glycidyl methacrylate groups provide reactive bonding sites to form strong chemical linkage with PPS matrix during twin-screw compounding. It effectively boosts notched impact strength of PPS compounds without heavy loss of heat resistance and modulus. AX8840 solves brittleness issues of filled and reinforced PPS grades, suitable for high-performance engineering plastic compounding for autom
Product Detail PageChemical IdentityAX8840 is an ethylene-acrylate-glycidyl methacrylate terpolymer produced via high-pressure polymerization. The polymer chain carries reactive epoxy functional groups from GMA segments. It is supplied as free-flowing pellet form. The reactive epoxy groups can react with active terminal groups of PPS resin under compounding temperature, forming covalent bonding at the two-phase interface. This strong interfacial connection ensures efficient stress transfer between PPS matrix and rubbery toughening phase. It has good thermal stability under typical PPS extrusion processing temperature, resisting decomposition during high-temperature compounding.
Key PerformanceThe rubbery ethylene-acrylate backbone absorbs impact energy when molded PPS parts receive mechanical shock. Reactive GMA groups improve interfacial adhesion between toughener and PPS matrix, preventing debonding and crack propagation. AX8840 upgrades notched impact strength of glass fiber filled PPS greatly. It maintains good heat deflection temperature and tensile modulus of modified PPS formulation. It shows stable feeding performance in continuous extrusion line, with low tendency of thermal degradation during high-temperature processing. No extra compatibilizer is required for standard PPS toughening formulation.
ApplicationsAX8840 is mainly used for impact modification of neat PPS, glass-filled PPS, mineral filled PPS compounds. It is widely adopted to formulate high-toughness PPS pellets for injection molded electronic connectors, automotive under-hood components, industrial pump and valve parts. It fits high-temperature resistant engineering plastic parts that require balanced toughness and rigidity. It is applicable for halogen-free high-performance PPS compounds for electrical and electronic industry.
Storage & HandlingStore AX8840 pellets in sealed original bags inside cool, dry and ventilated warehouse. Recommended storage temperature 10-30℃. Avoid high humidity and direct sunlight to prevent pellet caking. Anti-static protection is suggested during material conveying and feeding. Once packaging is opened, consume promptly to avoid moisture absorption. Do not stack pallets excessively high to prevent pellet crushing.
Why Choose SupplierWe provide stable AX8840 alternative GMA reactive terpolymer toughener for engineering plastic compounders. Complete TDS and MSDS documents are available for export. Bulk container shipment and small trial order are both supported. Our additive helps overseas compound factories develop high-toughness PPS reinforced compounds for automotive and electronic markets.
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