Modification of Functional Properties of Whey Protein Isolate Nanocomposite Films and Coatings with Nanoclays

Table 2

Mechanical data of WPI-based nanocomposites with different nanofillers. Columns with different letters are significantly different () for each dataset compared to the zero sample.

Filler type	Filler ratio [wt%]	[MPa]	TS [MPa]	EB [%]
—	0	58.54 ± 3.45	3.69 ± 0.24	135.48 ± 19.74
Cloisite Na^+	1	71.70 ± 3.85	4.18 ± 0.23	129.08 ± 17.48
	3	97.50 ± 4.44	4.39 ± 0.14	111.28 ± 1.54
	6	142.80 ± 3.11	4.87 ± 0.09	90.70 ± 26.69
	9	208.40 ± 18.64	5.67 ± 0.16	64.26 ± 14.39
Nanofil 116	1	57.12 ± 12.27	4.07 ± 0.13	136.78 ± 13.07
	3	78.36 ± 4.28	4.37 ± 0.17	141.04 ± 15.13
	6	80.32 ± 16.48	4.90 ± 0.15	144.30 ± 5.07
	9	123.00 ± 6.52	5.28 ± 0.26	116.90 ± 12.96
Sunbar	1	77.78 ± 15.27	3.95 ± 0.40	125.54 ± 20.13
	3	121.46 ± 21.90	4.10 ± 0.19	69.50 ± 10.79
	6	218.25 ± 5.12	4.76 ± 0.58	29.72 ± 3.15
	9	283.40 ± 35.98	6.19 ± 0.10	21.96 ± 1.53