Influence of Sealant Modulus on the Bending Stiffness of Multilayer Films, 1997 Polymers, Laminations & Coatings Conference Proceedings

A computer model was developed for predicting bending stiffness of a multilayer packaging film or sheet. The model shows that in many packaging applications where a rigid barrier or protective material (e.g., foil, EVOH, nylon, HDPE, or OPET) is combined with a softer sealant material, the location and modulus of the sealant can have a disproportionate influence on the bending stiffness of the structure. Ionomers, with their unique combination of high stiffness and excellent sealant properties, are found to provide greater versatility in downgauging than polyolefin sealants when trying to maintain or increase bending stiffness.

Author: Morris, B. A., Vansant, J. D.
Influence of Sealant Modulus on the Bending Stiffness of Mul
Influence of Sealant Modulus on the Bending Stiffness of Multilayer Films, 1997 Polymers, Laminations & Coatings Conference Proceedings
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