Recycled plastics, including post-consumer recycled (PCR) and pre-consumer regrind, enable the circular economy but bring pre and post market challenges. Feedstock variability, contamination, and legacy additives demand tight acceptance specs for moisture, ash, bulk density, and rheology via MFI/IV. Smart sorting with NIR or tracers plus SPC quality control helps stabilize inputs. Rapid characterization is essential: FTIR carbonyl index, DSC/TGA for oxidation, GC-MS or TD-GC-MS for odor and VOCs, and XRF for metals and pigments. In processing, melt filtration curbs gels and fish-eyes, and devolatilization with vacuum venting and stripper agents cuts odor. Reactive extrusion boosts rPE, rPP, and rPET using compatibilizers, chain extenders, vis break, and torque or MFI control. Stabilization lifts OIT/OOT and ESCR. Color stays on target by managing ΔE and b* with optical brighteners, TiO2 selection, and carrier compatibility. Compliance requires NIAS screening, food-contact migration modeling, traceability, and mass-balance claims.
Working with PCR isn’t about luck; it’s about control. This training compresses proven plant fixes so senior formulators can lock specs, protect color and ESCR, and leave with run-ready protocols that withstand audits;
1. 48-Hour Triage, Zero Guesswork: Stepwise protocol with thresholds (FTIR CI, DSC/TGA, TD-GC-MS) for fast go/no-go decisions.
2. Rheology Stabilized, Throughput Intact: Vis-break tuning, torque/MFI windows, and chain-extension to restore IV without over-shearing.
3. Odor/VOC Under Control: Venting plus stripper-agent matrix, sensory-to-VOC mapping, and ppm targets aligned to customer panels.
4. Gels & Fish-Eyes Reduced: Filter selection rules, pressure-delta switching, and back-flush logic that cut defects in film-grade PCR.
5. Compliance That Sticks: NIAS screening and migration modeling with traceability and claim language you can defend during audits.
This training is designed for professionals and organizations across the chemical industry, OEMs specifically, it is ideal for:
- Senior polymer/formulation engineers
- Compounding & process engineers (film, blow, injection)
- QA/QC & lab managers
- Packaging development & converting leads (FMCG/CPG)
- Automotive/appliance materials teams
- Regulatory & compliance leaders (FCM/NIAS/REACH/TSCA)
- Brand owners/OEM specifiers
“This training has been officially reviewed and validated by the OnlyTRAININGS Experts Validation Team. The training content on recycled plastics (PCR) formulation covering contamination screening, melt-index variability mitigation, supply-chain traceability and design for post-consumer recycled content that meets our highest standards for scientific accuracy, industrial relevance and formulation readiness.”
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