Question: 6. What is the WVTR (g.mil/100 in2 d) for the following structure: 1.0 mil LDPE/2.0 mil nylon 6/1.5 mil PP/0.8 mil LDPE? Calculate the

6. What is the WVTR (g.mil/100 in2 d) for the following structure: 1.0 mil LDPE/2.0 mil nylon 6/1.5 mil PP/0.8 mil LDPE? Calculate the WWTR of the multilayer film and then calculate the permeability coefficient of the multilayer film (use unit as g.mil/100 in2 d mmHg). The following WVTR information is provided for these resins (all determined at standard conditions of 95F, 90% RH) (10 points) Resin LDPE PP Nylon 6 WVTR (g.mil/100 in.d) 1.3 1.1 11.5 Hint: partial Pressure (mmHg) can be calculated considering saturation vapor pressure (refer to the Saturation VP document in D2L) and RH.

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