date:May 12, 2014
which occurs in the third bubble of the process where film shrinkage is reduced to a controlled value, is a particular challenge. Here, the effectiveness of the tie layer, which bonds incompatible functional layers of the structure together, is of major significance for producing high-tear and puncture-resistant films which are nevertheless comparatively thin.
In a first stage of their joint development, DuPont and Kuhne have investigated the effects of tie layers offering good adhesion between