Ceramer Coatings from Castor Oil or Epoxidized Castor Oil and Tetraethoxysilane.
New inorganic-organic hybrids were synthesized through the reaction of castor oil (CO) or epoxidized castor oil (ECO) with tetraethoxysilane (TEOS). The mass proportions of ECO/TEOS varied from 90:10 to 60:40, and films of the material were thermally cured. An IR spectroscopy analysis was performed, and macro- and microscopic properties such as adhesion, hardness, swelling in toluene, microstructure (scanning electron microscopy), and Tg were investigated as a function of the proportion of their inorganic-organic precursor. Morphologic studies showed that the hybrid films were homogeneous when lower proportions of the inorganic precursors were used. Hardness and tensile strength increased with TEOS concentration, whereas swelling in toluene decreased with TEOS concentration. Good adhesion was observed throughout the hybrid series.
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Subjects: | Aceite de castor, Hibridación., Síntesis química., |
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cat-fedepalma-256742022-08-05T00:17:48ZCeramer Coatings from Castor Oil or Epoxidized Castor Oil and Tetraethoxysilane. Luca, Maria Augusta de, autor. aut 57080 Becker, Patrícia Luíza. 57081 Flores Ferrao, Marco. 57082 Jacobi, Marly Maldaner. 57083 Martinelli, Márcia. 57084 text enNew inorganic-organic hybrids were synthesized through the reaction of castor oil (CO) or epoxidized castor oil (ECO) with tetraethoxysilane (TEOS). The mass proportions of ECO/TEOS varied from 90:10 to 60:40, and films of the material were thermally cured. An IR spectroscopy analysis was performed, and macro- and microscopic properties such as adhesion, hardness, swelling in toluene, microstructure (scanning electron microscopy), and Tg were investigated as a function of the proportion of their inorganic-organic precursor. Morphologic studies showed that the hybrid films were homogeneous when lower proportions of the inorganic precursors were used. Hardness and tensile strength increased with TEOS concentration, whereas swelling in toluene decreased with TEOS concentration. Good adhesion was observed throughout the hybrid series.New inorganic-organic hybrids were synthesized through the reaction of castor oil (CO) or epoxidized castor oil (ECO) with tetraethoxysilane (TEOS). The mass proportions of ECO/TEOS varied from 90:10 to 60:40, and films of the material were thermally cured. An IR spectroscopy analysis was performed, and macro- and microscopic properties such as adhesion, hardness, swelling in toluene, microstructure (scanning electron microscopy), and Tg were investigated as a function of the proportion of their inorganic-organic precursor. Morphologic studies showed that the hybrid films were homogeneous when lower proportions of the inorganic precursors were used. Hardness and tensile strength increased with TEOS concentration, whereas swelling in toluene decreased with TEOS concentration. Good adhesion was observed throughout the hybrid series.Aceite de castorHibridación.Síntesis química. |
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Aceite de castor Hibridación. Síntesis química. Aceite de castor Hibridación. Síntesis química. |
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Aceite de castor Hibridación. Síntesis química. Aceite de castor Hibridación. Síntesis química. Luca, Maria Augusta de, autor. aut 57080 Becker, Patrícia Luíza. 57081 Flores Ferrao, Marco. 57082 Jacobi, Marly Maldaner. 57083 Martinelli, Márcia. 57084 Ceramer Coatings from Castor Oil or Epoxidized Castor Oil and Tetraethoxysilane. |
description |
New inorganic-organic hybrids were synthesized through the reaction of castor oil (CO) or epoxidized castor oil (ECO) with tetraethoxysilane (TEOS). The mass proportions of ECO/TEOS varied from 90:10 to 60:40, and films of the material were thermally cured. An IR spectroscopy analysis was performed, and macro- and microscopic properties such as adhesion, hardness, swelling in toluene, microstructure (scanning electron microscopy), and Tg were investigated as a function of the proportion of their inorganic-organic precursor. Morphologic studies showed that the hybrid films were homogeneous when lower proportions of the inorganic precursors were used. Hardness and tensile strength increased with TEOS concentration, whereas swelling in toluene decreased with TEOS concentration. Good adhesion was observed throughout the hybrid series. |
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Texto |
topic_facet |
Aceite de castor Hibridación. Síntesis química. |
author |
Luca, Maria Augusta de, autor. aut 57080 Becker, Patrícia Luíza. 57081 Flores Ferrao, Marco. 57082 Jacobi, Marly Maldaner. 57083 Martinelli, Márcia. 57084 |
author_facet |
Luca, Maria Augusta de, autor. aut 57080 Becker, Patrícia Luíza. 57081 Flores Ferrao, Marco. 57082 Jacobi, Marly Maldaner. 57083 Martinelli, Márcia. 57084 |
author_sort |
Luca, Maria Augusta de, autor. aut 57080 |
title |
Ceramer Coatings from Castor Oil or Epoxidized Castor Oil and Tetraethoxysilane. |
title_short |
Ceramer Coatings from Castor Oil or Epoxidized Castor Oil and Tetraethoxysilane. |
title_full |
Ceramer Coatings from Castor Oil or Epoxidized Castor Oil and Tetraethoxysilane. |
title_fullStr |
Ceramer Coatings from Castor Oil or Epoxidized Castor Oil and Tetraethoxysilane. |
title_full_unstemmed |
Ceramer Coatings from Castor Oil or Epoxidized Castor Oil and Tetraethoxysilane. |
title_sort |
ceramer coatings from castor oil or epoxidized castor oil and tetraethoxysilane. |
work_keys_str_mv |
AT lucamariaaugustadeautoraut57080 ceramercoatingsfromcastoroilorepoxidizedcastoroilandtetraethoxysilane AT beckerpatricialuiza57081 ceramercoatingsfromcastoroilorepoxidizedcastoroilandtetraethoxysilane AT floresferraomarco57082 ceramercoatingsfromcastoroilorepoxidizedcastoroilandtetraethoxysilane AT jacobimarlymaldaner57083 ceramercoatingsfromcastoroilorepoxidizedcastoroilandtetraethoxysilane AT martinellimarcia57084 ceramercoatingsfromcastoroilorepoxidizedcastoroilandtetraethoxysilane |
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1756213944636145665 |