IBond-0920 Anhydride-Grafted Compatibilizer
Engineered LLDPE functionalized polymer by Symb ChemTech. Designed to deliver strong polarity, high flow stability, superior whiteness (>40%), and minimal residual monomer for demanding polyolefin formulations.
What is IBond-0920 Anhydride-Grafted PE?
IBond-0920 is an anhydride-modified linear low-density polyethylene (LLDPE) functionalized compatibilizer manufactured by Symb ChemTech. It imparts polar adhesion capabilities to non-polar polyethylene matrices while maintaining high melt flow (1–2 g/10min at 190°C/2.16kg) and high whiteness (>40% ISO). With a low residual monomer level (<0.1%) and low volatile content (<0.1%), IBond-0920 serves as a premium coupling agent in low-smoke halogen-free (LSHF) flame-retardant cable compounds, wood-plastic composites (WPC), glass fiber/mineral-filled PE, and PA/PE polyolefin alloys.
Technical Specifications & Properties
Tested in accordance with ISO & GB standardized test protocols (Data Code: 202606)
IBond-0920 Typical Properties Sheet
Base Polymer: Linear Low-Density Polyethylene (LLDPE)
| Property Name | Typical Value | Unit | Test Method |
|---|---|---|---|
| Density | 0.88 ± 0.05 | g/cm³ | ISO 1183 |
| Melt Flow Index (190°C / 2.16 kg) | 1 – 2 | g/10min | ISO 1133 |
| Anhydride Grafting Rate | 0.4 – 0.5 | % | Chemical Titration |
| Residual Monomer Rate | < 0.1 | % | Chemical Titration |
| Volatile Content | < 0.1 | % | ISO 1269 |
| ISO Whiteness Index | > 40 | % | GB 2913 |
Key Application Domains
By introducing maleic anhydride functional groups onto LLDPE chains, IBond-0920 acts as a molecular bridge between polar inorganic substrates and non-polar polyolefin resins.
LSHF Flame-Retardant Cables
Essential coupling agent for Low-Smoke Halogen-Free (LSHF) wire & cable formulations. Promotes interface adhesion and uniform dispersion of inorganic flame retardants like ATH or MDH in LLDPE.
Wood-Plastic Composites (WPC)
Improves compatibility between hydrophilic wood flour/natural fibers and hydrophobic PE resins, significantly enhancing water resistance, creep resistance, and flexural strength.
Glass Fiber & Mineral Filled PE
Acts as an interfacial modifier for PE reinforced with glass fibers, talc, calcium carbonate, or mica. Increases tensile strength, impact toughness, and dimensional stability.
Polyolefin / Polyamide Alloys
Functions as a compatibilizer in PE/PA and Polyolefin/PA blended resin alloys. Reacts with amine end-groups of Nylon to form fine phase morphology and superior toughness.
Multi-Layer Adhesion & Metal Bonding
Enhances polyolefin adhesion onto polar surfaces including aluminum foil, steel pipe anti-corrosion coatings, and co-extruded barrier packaging films.
Masterbatch Dispersion Aid
Serves as a high-efficiency dispersion aid for polyolefin color and additive masterbatches, reducing agglomeration and improving color strength and surface appearance.
IBond-0920 Dosage Estimator
Select your targeted compound application to view recommended loading levels and processing thermal guidelines.
⚙️ Processing Guidelines
IBond-0920 acts as a conventional additive and easily adapts to standard single-screw and twin-screw extruders, internal mixers, and injection molding machinery.
- Processing Temperature Range: 150°C – 280°C
- Ensure thorough melt blending during extrusion compounding.
- Compatible with standard polyolefin additives and pigments.
📦 Storage & Handling
Proper storage conditions preserve anhydride reactivity and prevent thermal or moisture-induced degradation.
- Store under dry, cool conditions away from direct sunlight & UV.
- Avoid exposure to extreme heat or high ambient humidity.
- Keep packaging tightly sealed when not in active use.
Frequently Asked Questions
How does IBond-0920 differ from standard maleic anhydride grafted PE?
IBond-0920 by Symb ChemTech offers superior melt flow stability (1–2 g/10min MFI), exceptionally low residual monomer (<0.1%), and higher whiteness (>40% ISO whiteness). This minimizes yellowing and processing odor in finished compounds.
How is the grafting rate of IBond-0920 verified?
The 0.4–0.5% anhydride grafting rate of IBond-0920 is measured via standardized chemical titration, ensuring batch-to-batch consistency for critical cable and alloy applications.
Why is low residual monomer critical for cable compounds?
High residual monomer causes volatile outgassing, unpleasant odor, equipment corrosion, and degradation of electrical insulation properties in LSHF cable extrusion. IBond-0920 keeps residual monomer below 0.1%.