Electrically Conductive Carbon Nanotubes LLDPE Masterbatch
ADCNT-LLDPE MB is an advanced Electrically Conductive Carbon Nanotubes Linear low‑density polyethylene (LLDPE) Masterbatch. Engineered with 20% ± 1 wt% customized carbon nanotubes in a LLDPE matrix for ESD and electrical conductivity.
Electrical Performance
ADCNT-LLDPE MB achieves percolation at exceptionally low loading levels, preserving the mechanical properties of the base polymer while delivering permanent conductivity.
Masterbatch Properties
When diluted into neat LLDPE, the masterbatch forms a conductive CNT network that dramatically reduces electrical resistivity.
| Product Name | ADCNT-LLDPE MB |
|---|---|
| Polymer Matrix | Linear low‑density polyethylene (LLDPE) |
| Conductive Additive | Customized Carbon Nanotubes |
| CNT Loading | 20% ± 1 wt% |
| Physical Form |
Black Pellets |
| MFI (230°C / 2.16 kg) | Not Measurable (Very low flow) |
| Real Density | 588 g/L |
Appearance & Flow
| Target Surface Resistivity band | Target CNT in LLDPE (wt%) | Required CNT‑LLDPE MB (wt%) loading in LLDPE |
| ~10⁷ Ω/sq (ESD) | 3% | ~ 15% of MB |
| ~10⁴ Ω/sq (conductive) | 5% | ~ 25% of MB |
| ~10³ Ω/sq (conductive / EMI‑assist) | 7% | ~ 35% of MB |
| <10³ Ω/sq (Highly conductive) | ~10% | ~50 % of MB |
Application Matrix
Shear & Mixing: Process using standard LLDPE screws with moderate screw speed to avoid excessive shear that may damage CNT structure and reduce conductivity. Ensure proper premixing (tumbler or gravimetric feeder) for uniform dispersion and consistent ESD performance.
Handling Precautions: Minimize dust generation during handling, and follow CNT safety (SDS) guidelines. Re-dry material if exposed to moisture for extended periods to maintain performance.
Maintain Material Quality: Keep moisture below 0.1–0.2% (dry at 80–90°C if needed), store in sealed bags, and re-dry after exposure to ensure stable electrical and processing performance.
Processing Guidelines
Proper handling and processing are critical to achieving optimal dispersion and electrical performance. The CNT network must be established uniformly throughout the polymer matrix.
Storage & Handling
- Store in cool, dry conditions away from direct sunlight and heat.
- Keep packaging sealed when not in use.
- If exposed to moisture, redry material before processing.
Drying Requiremnts
Drying is generally not required for LLDPE. If moisture exposure occurs, dry pellets at 50–70°C before processing.
Processing Temperature
Typical melt temperature: 180–230°C depending on the base LLDPE grade.