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High-Precision Sorting and Purification for Insulation Recovery in Recycled PP
Source: | Author:selina | Published time: 2025-03-07 | 5 Views | Share:

High-Precision Sorting and Purification for Insulation Recovery in Recycled PP

To improve **the insulation properties of recycled PP from electronic waste**, advanced **sorting and purification technologies** are being developed. These processes ensure **high-purity PP extraction**, removing contaminants that degrade electrical insulation performance.

1. Why Contaminants Affect Insulating PP

  • Residual **mixed plastics and additives** lower dielectric properties.
  • Oxidation and exposure to heat alter **molecular stability**.
  • Metallic particles from electronics increase **electrical conductivity risks**.

2. High-Precision Sorting Techniques

  • **Infrared spectroscopy sorting** for detecting polymer purity.
  • **Electrostatic separation** removes conductive particles.
  • **Density-based filtration** isolates high-quality PP granules.

3. Chemical Purification and Decontamination

  • Hydrothermal treatment removes **surface oxidation layers**.
  • Solvent-based purification dissolves **impurities while retaining PP integrity**.
  • Molecular reconfiguration stabilizes **dielectric strength in recycled PP**.

4. Industrial Applications of Purified Insulating PP

  • **Circuit board enclosures and battery insulation layers**.
  • **High-performance electrical casings for power supplies**.
  • **Reinforced PP for EMI shielding and fire-resistant electronics**.

5. Future Trends in Recycled PP Insulation Recovery

  • AI-powered sorting and real-time **material quality assessment**.
  • Integration of **nanotechnology to enhance insulation properties**.
  • Closed-loop recycling systems for **continuous material reuse**.

Conclusion

By leveraging **high-precision sorting and purification**, the **insulating properties of recycled PP** can be effectively restored. This enables **sustainable, high-performance applications** in **electronic insulation and electrical components**, supporting a more **circular economy**.

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