Durability of LDPE Nanocomposites with Clay, Silica, and Zinc Oxide—Part I: Mechanical Properties of the Nanocomposite Materials

Table 1

Summary of tensile data for the control sample and three composites of LDPE.

Material	Property	Sample Identification						Average	Std. Dev.
		Sample; no. 1	Sample; no. 2	Sample; no. 3	Sample; no. 4	Sample; no. 5	Sample; no. 6
LDPE control	Maximum load, N	388.98	387.85	388.16	386.68	388.38	401.09	390.19	5.39
	Tensile strength, Mpa	10.18	10.12	10.15	10.12	10.17	10.49	10.21	0.14
	% elongation at break	172.84	164.63	169.24	174.01	179.38	172.59	172.12	4.93
	Modulus of elasticity, MPa	36.06	35.69	35.24	34.39	34.96	35.95	35.38	0.64
LDPE 5 wt% ZnO	Maximum load, N	404.31	404.51	405.92	405.73	402.1	403.6	404.36	1.42
	Tensile strength, Mpa	10.54	10.59	10.54	10.5	10.53	10.52	10.54	0.03
	% elongation at break	155.12	160.03	165.29	161.83	149.41	165.15	159.47	6.20
	Modulus of elasticity, MPa	89.99	89.03	90.13	86.47	90.12	89.32	89.18	1.40
LDPE 5 wt% SiO2	Maximum load, N	418.05	416.58	416.72	417.56	417.84	413.94	416.78	1.51
	Tensile strength, Mpa	10.79	10.64	10.74	10.85	10.79	10.65	10.74	0.08
	% elongation at break	152.53	152.24	153.74	154.82	155.45	154.37	153.86	1.27
	Modulus of elasticity, MPa	44.34	43.95	43.05	45.25	44.56	44.13	44.21	0.73
LDPE 5 wt% clay	Maximum load, N	392.38	388.16	387.44	391.7	389.67	389.5	389.81	1.93
	Tensile strength, Mpa	10.20	10.56	10.45	10.02	10.15	9.89	10.21	0.25
	% elongation at break	168.92	167.94	171.62	167.06	170.65	167.8	169.00	1.78
	Modulus of elasticity, MPa	88.72	91.7	91.73	86.85	89.93	90.48	89.90	1.88