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EnvalyxPrecision upcycling

03Target-layer access

Multilayer films & complex packaging

Barrier films and laminates containing PA, EVOH, PET, and PE.

Discuss a multilayer feedstock
Representative barrier films, pouches, and multilayer packaging

Access constraints

What governs whether the target is reachable in this feedstock.

  • Layer sequence
  • Adhesives
  • Tie layers
  • Inks

Reaction scheme

One defined target layer per evaluation.

An illustrative multilayer stack with the PET layer as the defined target, showing PET's aryl ester linkage hydrolysed to terephthalic acid and ethylene glycol with MHET, BHET, and oligomers from partial conversion, alongside the remaining non-target fraction whose recovery is assessed and a residual balance whose fate is reported.

01Layer stack · PET target illustrated

outer layertie / adhesivetarget: PET layertie / adhesiveseal layerOOPET · aryl esterone defined target layer per evaluation
Target-layer accessOne layer per evaluation

02Products and remaining fractions

OOHOOHterephthalic acid (TPA)HOOHethylene glycol (EG)+ MHET · BHET · oligomersfrom partial conversionnon-target fractionrecovery assessedresidual balancefate reported

Layer order and composition are formulation-specific; the stack is illustrative. The PET route is drawn here; PA layers are evaluated separately by grade.

Supported endpoint

Product profile + residual-fraction fate

Next step

Bring this material to a defined question

Tell us which decision the evaluation needs to support.

Discuss a multilayer feedstockDiscuss technical scope