Grain-based hydrophobic films for compostable diaper barrier layers

Overview

Grain-based hydrophobic films provide a compostable barrier-layer option for disposable diaper outercovers and containment flaps. The films are developed from plant-derived polysaccharides and are engineered to deliver hydrophobic performance for effective fluid containment. The technology is intended to replace conventional polyolefins with a more sustainable material approach aligned with demand for environmentally friendly hygiene products. The films are designed to completely biodegrade within 35 days under industrial composting conditions, supporting circularity and reducing the environmental impact of single-use products.

Technical specifications

Key features:

• Composition: Grain-based polysaccharides produced via an aqueous processing method to reduce plastic dependency.
• Hydrophobicity: Surface energy of approximately 32 dyne/cm to support fluid resistance in diaper applications.
• Biodegradability: Meets ASTM D5338 standards, achieving complete biodegradation within 35 days in industrial composting settings.
• Sustainability: Targets a 50% reduction in plastic use while maintaining high performance in fluid containment.

Technology readiness level

The technology is currently at TRL 5, validated through ASTM biodegradation testing and demonstrating effective barrier properties. Future development phases include material optimization, third-party validation, and performance testing. Next steps include scaling up the production process and conducting consumer testing to support market readiness.