2022
DOI: 10.33586/hya.2021.3080
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Depósito por aspersión de una capa protectora de SiO2–PMMA sobre acero AISI 1036 con propiedades de barrera a contaminantes atmosféricos

Abstract: En este trabajo, se sintetizó por sol-gel a temperatura ambiente (25°C) un recubrimiento híbrido de SiO2–PMMA con propiedades de barrera a contaminantes atmosféricos. Los precursores inorgánicos del SiO2 utilizados fueron TEOS:Etanol:Agua 0.1:0.4;1.2 en relación molar. Como precursor orgánico 100 ml de monómero MMA con 0.4 g de BPO como catalizador de la polimerización por radicales libres para obtener el polímero PMMA. Se logró la obtención de películas homogéneas aplicadas por el método de aspersión sobre su… Show more

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“…The generation of hybrid materials is achieved by varying the molar properties of the precursor materials and the coupling agent, enabling the production of uniform films deposited on the substrate with homogeneous composition [11] [12] [13] [14]. Once the coating deposition is complete, the curing process begins, leading to the evaporation of solvents [15]. It is essential to mention that the development of new coatings necessitates the curing process to initiate upon contact with oxygen rather than a mixture of different agents.…”
Section: Introductionmentioning
confidence: 99%
“…The generation of hybrid materials is achieved by varying the molar properties of the precursor materials and the coupling agent, enabling the production of uniform films deposited on the substrate with homogeneous composition [11] [12] [13] [14]. Once the coating deposition is complete, the curing process begins, leading to the evaporation of solvents [15]. It is essential to mention that the development of new coatings necessitates the curing process to initiate upon contact with oxygen rather than a mixture of different agents.…”
Section: Introductionmentioning
confidence: 99%