ExxonMobil 8780 Impact Modifier

Features Of ExxonMobil 8780 Impact Modifier

1. Low viscosity: 3980mPa·s at 190℃, significantly improving the flow performance of extrusion/injection molding, increasing production efficiency and shortening processing cycle

2. Lightweight & low density: Density only 0.864g/cm³, effectively reducing product weight and adapting to lightweight design requirements

3. High ductility: Elongation at break up to 1237%, tensile break strength 2.4MPa, balanced mechanical properties to meet multi-scenario applications

4. Environmental friendly: Non-corrosive, no damage to equipment/molds; low-odor and pale in color, suitable for applications with sensory index requirements

5. Wide process adaptability: Easy to compound, extrude and injection mold; can be blended with other materials as an additive to optimize comprehensive performance

Typical Applications Of ExxonMobil 8780 Impact Modifier

1. Hot melt adhesive (HMA): Serves as the main component of HMA, providing excellent tack and processing fluidity

2. Adhesives & sealants: Used as a tackifier in sealants and adhesives to improve system adhesion and formability

3. Injection molding: As an injection-grade processing aid/modifier for producing various injection molded products and improving molding effect

4. Extruded products: Applied in the production of films, pipes and other extruded products to optimize melt flow and enhance product appearance and toughness

Specifications Of ExxonMobil 8780 Impact Modifier

ExxonMobil 8780 Impact Modifier – Frequently Asked Questions (FAQ)

Q1: What types of polymers is ExxonMobil 8780 Impact Modifier typically formulated with?

A: ExxonMobil 8780 is primarily designed for use in rigid polypropylene (PP) and polyethylene (PE) compounds, where it enhances low-temperature impact resistance without significantly compromising stiffness or processability.

Q2: How does ExxonMobil 8780 differ from conventional ethylene–propylene rubber (EPR) impact modifiers?

A: Unlike standard EPRs, ExxonMobil 8780 features a tailored molecular architecture that promotes finer dispersion and stronger interfacial adhesion in polyolefin matrices, resulting in improved toughness retention across a broader processing window.

Q3: Is ExxonMobil 8780 suitable for applications requiring FDA compliance for food contact?

A: ExxonMobil 8780 is not pre-approved under specific food-contact regulations; end-use compliance must be verified by the compounder or converter based on final formulation, processing conditions, and applicable regulatory frameworks.

Q4: What is the typical dosage range for ExxonMobil 8780 in polypropylene-based compounds?

A: Dosage is formulation-dependent, but ExxonMobil 8780 is generally used at low concentrations—typically ranging from 0.1% to 2% by weight—to achieve balanced impact/stiffness performance in injection-molded PP parts.

Q5: Can ExxonMobil 8780 be used in combination with other additives such as nucleating agents or flame retardants?

A: Yes—ExxonMobil 8780 is compatible with common polyolefin additives including nucleating agents, antioxidants, and halogen-free flame retardants; however, compatibility and performance should be confirmed through application-specific testing.