Elopak patents a new barrier coating to make cartons more recyclable

What Happened

Elopak's newly published patent details a multilayer PVOH-based barrier coating for paperboard cartons that preserves the moisture/gas protection milk and juice need while replacing hard-to-recycle layers — reinforcing cartons already claimed to cut plastic use ~85% versus plastic bottles.

Why It Matters

Milk and juice cartons need a barrier layer against moisture and gas, and that layer has historically been the hardest-to-recycle part — a PVOH-based coating that keeps the barrier function while improving recyclability is solving packaging's actual bottleneck, not a peripheral detail.

The barrier layer was always the part that couldn't be recycled — until now.

FET's Takeaway

This builds directly on cartons' existing ~85% plastic-reduction claim versus bottles — it's an incremental improvement to an already-favorable format, which is usually a faster path to real-world adoption than a completely new packaging category.