Influence of Natural Fillers on Thermal and Mechanical Properties and Surface Morphology of Cellulose Acetate-Based Biocomposites

Table 6

Density and mechanical properties of biocomposites prepared from black alder.

Type of filler			Median	Min	Max
Density (g/cm^3)
Neat CA	10		1.22	1.32	1.27
Extracted wood	10	^a	0.86	0.79	0.94
Holocellulose	10	^a	0.87	0.83	0.99
Alpha cellulose	10	^a	0.91	0.77	0.97
Tensile strength (MPa)
Neat CA	10		58.71	40.77	74.05
Extracted wood	10	^a	29.65	27.66	33.11
Holocellulose	10	^a	30.33	23.49	38.98
Alpha cellulose	10	^a	26.35	18.78	30.04
Tensile modulus (GPa)
Neat CA	10		2.07	1.60	3.27
Extracted wood	10	^a	1.27	1.06	1.41
Holocellulose	10	^a	1.33	1.29	1.45
Alpha cellulose	10	^a	1.27	0.82	1.47
Elongation at break (%)
Neat CA	10	^a	5.87	3.82	8.52
Extracted wood	10	^ab	5.13	4.40	6.50
Holocellulose	10	^ab	4.61	3.67	6.33
Alpha cellulose	10	^b	4.53	4.03	5.34

Note: means sharing the same superscript are not significantly different from each other (Tukey’s HSD, ).