Investigation of the Effects of Titanate as Coupling Agent and Some Inorganic Nanoparticles as Fillers on Mechanical Properties and Morphology of Soft PVC

Table 4

Mechanical properties of prepared nanocomposites in the presence of titanate coupling agent.

Formulation: PVC resin (𝑀𝑊=35000)—Plasticizer (DOP)—Filler (nano-CaCO3)—Titanate (% by weight of nano-CaCO3)
Property	Modulus, psi	% Elongation at break	Tensile strength, psi	Energy, J
Control	14.4	76.5	11	2457
nC8	12.72	110.2	14	3338
nC9	12.96	74.35	9.62	1812
nC10	12.89	64.6	8.2	1436
nC11	14.9	45.5	6.8	730.3
nC12	14.4	42	6.04	495.5
nC13	15.1	40.3	6.08	463.09
Formulation: PVC resin (𝑀𝑊=35000)—Plasticizer (DOP)—Filler (nano-TiO2)—Titanate (% by weight of nano-TiO2)
Property	Modulus, psi	% Elongation at break	Tensile strength, psi	Energy, J
Control	11.4	70.8	8.12	1515
nT7	9.9	107.5	10.64	2995
nT8	11.8	62	7.31	1022.2
Formulation: PVC resin (𝑀𝑊=35000)—Plasticizer (DOP)—Filler (nano-ZnO)—Titanate (% by weight of nano-ZnO)
Property	Modulus, psi	% Elongation at break	Tensile strength, psi	Energy, J
Control	13.31	62.4	8.31	1427
nZ7	11.9	89.5	10.64	2498.5
nZ8	13.8	62.2	8.58	1118