Abstract
This research was based on the manufacture of new composite materials that offer technological possibilities in the development of new devices with greater efficiency. Electrospinning was used to form nylon 66/-tetra-(para-aminophenyl) porphyrin (H2T(p-NH2)PP)/graphene oxide (GO) composite film. Graphene oxide coatings were obtained from graphite, through mechanical exfoliation followed by calcination and ultrasonic agitation in an oxidant solution. These samples were characterized under SEM, FTIR, Raman spectroscopy, UV-vis and R-X techniques. On the other hand, H2T(p-NH2)PP was synthesized in two steps process by the Rothemun reaction and the Adler Method and it was integrated within nylon polyamide fibers by direct addition of a hexamethylenediamine/adipoyl chloride reactant mixture. The polymerization of the nylon/H2T(p-NH2)PP species occurs in such a way that it starts or ends on the four peripherals-NH2 groups, connected and located in the same molecular plane of H2T(p-NH2)PP, forming nylon chains at the periphery of the macrocycle. The association of GO with nylon/H2T(p-NH2)PP fibers is performed by dipole-dipole interaction and hydrogen bonding. To take advantage of the properties of these materials, they were combined as a ternary composite.
Highlights
H2T(p-NH2)PP was synthesized in two steps process by the Rothemun reaction and the Adler Method and it was integrated within nylon polyamide fibers by direct addition of a hexamethylenediamine/adipoyl chloride reactant mixture
In the same way porphyrin provides its coordination capacity, charge transport, energy transfer and light absorption or emission properties. These set of properties could be combined in hybrid materials and composites feasible to be used in innovative technological applications such as super-capacitors, organic solar cells, development of highly selective chemical sensors [8] [9], biological application as artificial muscles [10] [11] [12], proton exchange membrane, coating bipolar plates fuel cell, etc
To form composite the nylon/H2T(p-NH2)PP was dissolved in formic acid, and graphene oxide was added and the mixture was ultrasonicated at a temperature of 60 ̊C - 65 ̊C for 12 hours
Summary
The properties that can be exploited from nylon are its high mechanical strength, stiffness, hardness and toughness Combined with this polymer, the GO seeks to reduce the ionic and electrical resistance of the base material and improve its mechanical properties. In the same way porphyrin provides its coordination capacity, charge transport, energy transfer and light absorption or emission properties These set of properties could be combined in hybrid materials and composites feasible to be used in innovative technological applications such as super-capacitors, organic solar cells, development of highly selective chemical sensors [8] [9], biological application as artificial muscles [10] [11] [12], proton exchange membrane, coating bipolar plates fuel cell, etc. The combination of graphene with the polymer, can improve the mechanical, electrical and thermal stability of the polymeric fibers [18] [19] [20]
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