Biobased PFAS-Free Wax Replacement Barrier Coating for Paper Packaging
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A fully biodegradable, recyclable barrier coating for paper, paperboard, and corrugated packaging designed to replace petroleum-based wax coatings. Provides grease and water resistance while maintaining repulpability and compostability.
Target Applications
- Produce boxes
- Frozen food cartons
- Folding cartons
- Pizza boxes
Performance Summary
| Property | Performance |
|---|---|
| Grease Resistance | KIT 12 |
| Water Resistance (Cobb 600) | < 7 g/m² |
| Target WVTR | ~10 g/m²·day |
| Freezer Compatibility | Excellent |
| Hot Fill Compatibility | Limited |
| Folding Endurance | Excellent |
| Hot Water Hold | Yes |
| Food contact safe | Yes |
| EN13432 compostability | Yes |
| CEPI and FBA recycling | Pass |
| Stickies test | Pass |
| Machine run speed | High |
| Cradle-to-gate CO₂e | Net zero |
| PFAS-free | Yes |
Converting Compatibility
| Process | Status |
|---|---|
| Die Cutting | No edge cracking |
| Folding | Excellent endurance |
| FFS Equipment | Compatible |
| Roll Blocking | Not observed |
| Scoring | Not recommended |
Manufacturing Compatibility
- Blade Coater
- Size Press
- Flexographic Unit
- Curtain Coater
- No observed line-speed limitations
Sustainability
- PFAS-Free grease barrier
- >85% Repulp yield
- No stickies observed
- Home & Industrial compostable
- Biobased content: 65–100%
- Estimated disintegration: <80 days
Commercial Economics
Estimated coating cost: $0.0085 per m² @ 10 gsm
IP Status
- PCT Patent filed
- Composition of matter claims
Collaboration Opportunity
Seeking pilot coating partners and commercial licensing opportunities.
