Safe conception approaches can have positive or negative consequences on other criteria characterizing the packaging performance; it is important to classify the safe conception approaches in order to anticipate the undesired effects.
Find a compromise between the minimisation of food packaging interactions and the other characteristics of the packaging.
Approaches of safe conception possibly leading to negative effects on functionality and processability
change of the nature of the additives, change of the quantity of additives.
Approaches of safe conception possibly leading to negative effects on processability only
change of resin grade to decrease oligomer content.
Approaches of safe conception possibly leading to less easy recyclability
addition of functional barriers, use of (too) specific resins or specific structural modification contributing to lower diffusion properties of the matrix