High Barrier Films
Microcracking and abrasion of vacuum deposited barrier layers has a significant impact on gas, and especially moisture, barrier performance. Sigma’s VaporPhase technology allows for the inline deposition of a thin, uniform, pinhole-free acrylic layer that protects the freshly deposited barrier layer from contact with face rollers during the deposition process - and other downstream processes. Additionally, application of a VaporPhase acrylic layer counteracts stress at the substrate/vapor deposited layer. This leads to reduced micro-cracking as film is elongated and stretched both during the deposition process and in in subsequent processing (slitting, printing, laminating, rewinding, bag/pouch conversion).