Microfibrillated Cellulose Barrier

Application Process

Suspension of the cellulose particles in water allows for coating using standard paper mill equipment such as a size press or a rod coater. The microfibrillated cellulose barrier develops its final properties during the drying phase when hydrogen bonds form between the fibrils.

Performance Threshold

Resistance to oil and air transmission remains high as long as the coating stays dry. In a microfibrillated cellulose barrier the performance often decreases substantially under high humidity conditions due to the hydrophilic nature of the fibres. Engineers compensate for this by adding a secondary moisture resistant layer or by chemically modifying the cellulose surface.

This material is prized for its high strength and potential for recycling in existing paper streams. The dense structure also provides a smooth surface for high quality printing.