High barrier grain-based biodegradable spray coating for beverage packaging

Overview

Tastee Tape presents a groundbreaking solution for the beverage packaging industry with its high barrier grain-based biodegradable spray coating. This innovation utilizes proprietary grain-based polymers to create a multi-layer coating system that enhances barrier properties while being fully biodegradable. Leveraging naturally-derived polysaccharides, the coating self-assembles into nanostructured networks through controlled cross-linking reactions using food-grade catalysts. The result is a robust barrier system that enables over 85% fiber recovery during repulping, maintaining integrity during storage and aligning with industry sustainability goals.

Technical specifications

• Multi-layer coating system: Consists of a primer for fiber adhesion, a barrier layer with integrated nanocomposites, and a protective topcoat.
• Polysaccharide-based polymers: Self-assemble into nanostructured networks via controlled cross-linking.
• Rheology modifiers: Ensure compatibility with standard spray nozzles, facilitating quick-drying applications.
• Biodegradation features: pH-sensitive degradation supports high fiber recovery during repulping.
• GRAS-certified components: Ensure food safety and regulatory compliance.

Technology readiness level

Currently, the technology is at TRL 5, having been validated in relevant environments with comprehensive barrier evaluation per ASTM standards and repulpability assessments based on FBA/AF&PA protocols. Future steps include formulation scale-up, industrial trials, and supply chain development to achieve beverage-grade barrier performance.