Processing and Validation of Whey-Protein-Coated Films and Laminates at Semi-Industrial Scale as Novel Recyclable Food Packaging Materials with Excellent Barrier Properties

Table 3

OTR versus r.h. for whey-coated PET films (measured according to DIN 53 380, T3).

r.h. [%]	OTR	Q whey coating	Q 100 whey coating
	(cm³ (STP) m^−2 d^−1 bar^−1)	(cm³ (STP) m^−2 d^−1 bar^−1)	(cm³ (STP) m^−2 d^−1 bar^−1)
0	22.3	27.4	3.8
30	21.6	26.9	3.8
50	36.0	56.2	7.9