Kenaf Bast Fibers—Part II: Inorganic Nanoparticle Impregnation for Polymer Composites

Table 4

Tensile strength and tensile modulus of INI treated fiber/PP composites.

	Tensile Strength (MPa)			Tensile Modulus (GPa)
INI treatments	Mean	Stdev.	LSD Test	Mean	Stdev.	LSD Test
Untreated	46.77	3.43	A	1.70	0.20	A
100°C, 1 : 1	49.23	3.77	AB	1.88	0.11	B
100°C, 1 : 2	51.65	2.57	B	1.96	0.15	BC
130°C, 1 : 1	50.20	3.30	B	1.93	0.22	BCD
130°C, 1 : 2	51.61	2.51	B	2.05	0.11	DE
160°C, 1 : 1	51.41	4.33	B	2.14	0.22	E
160°C, 1 : 2	50.94	4.31	B	1.99	0.16	BE

1 : 1 and 1 : 2 means the molar ratio of Na₂CO₃ to CaCl₂. Average of 27 samples. Means with the same letter are not significantly different at 𝛼=0.05. Stdev: standard deviation of the mean.