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Anisotropic Foams via Frontal Polymerization
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| Zeitschriftentitel: | Advanced Materials |
|---|---|
| Personen und Körperschaften: | , , , , , |
| In: | Advanced Materials, 34, 2022, 8 |
| Format: | E-Article |
| Sprache: | Englisch |
| veröffentlicht: |
Wiley
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| Schlagwörter: |
| author_facet |
Alzate‐Sanchez, Diego M. Cencer, Morgan M. Rogalski, Michael Kersh, Mariana E. Sottos, Nancy Moore, Jeffrey S. Alzate‐Sanchez, Diego M. Cencer, Morgan M. Rogalski, Michael Kersh, Mariana E. Sottos, Nancy Moore, Jeffrey S. |
|---|---|
| author |
Alzate‐Sanchez, Diego M. Cencer, Morgan M. Rogalski, Michael Kersh, Mariana E. Sottos, Nancy Moore, Jeffrey S. |
| spellingShingle |
Alzate‐Sanchez, Diego M. Cencer, Morgan M. Rogalski, Michael Kersh, Mariana E. Sottos, Nancy Moore, Jeffrey S. Advanced Materials Anisotropic Foams via Frontal Polymerization Mechanical Engineering Mechanics of Materials General Materials Science |
| author_sort |
alzate‐sanchez, diego m. |
| spelling |
Alzate‐Sanchez, Diego M. Cencer, Morgan M. Rogalski, Michael Kersh, Mariana E. Sottos, Nancy Moore, Jeffrey S. 0935-9648 1521-4095 Wiley Mechanical Engineering Mechanics of Materials General Materials Science http://dx.doi.org/10.1002/adma.202105821 <jats:title>Abstract</jats:title><jats:p>The properties of foams, an important class of cellular solids, are most sensitive to the volume fraction and openness of its elementary compartments; size, shape, orientation, and the interconnectedness of the cells are other important design attributes. Control of these morphological traits would allow the tailored fabrication of useful materials. While approaches like ice templating have produced foams with elongated cells, there is a need for rapid, versatile, and energy‐efficient methods that also control the local order and macroscopic alignment of cellular elements. Here, a fast and convenient method is described to obtain anisotropic structural foams using frontal polymerization. Foams are fabricated by curing mixtures of dicyclopentadiene and a blowing agent via frontal ring‐opening metathesis polymerization (FROMP). The materials are characterized using microcomputed tomography (micro‐CT) and an image analysis protocol to quantify the morphological characteristics. The cellular structure, porosity, and hardness of the foams change with blowing agent, concentration, and resin viscosity. Moreover, a full factorial combination of variables is used to correlate each parameter with the structure of the obtained foams. The results demonstrate the controlled production of foams with specific morphologies using the simple and efficient method of frontal polymerization.</jats:p> Anisotropic Foams via Frontal Polymerization Advanced Materials |
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Anisotropic Foams via Frontal Polymerization |
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Anisotropic Foams via Frontal Polymerization |
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Anisotropic Foams via Frontal Polymerization |
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Anisotropic Foams via Frontal Polymerization |
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Anisotropic Foams via Frontal Polymerization |
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Anisotropic Foams via Frontal Polymerization |
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anisotropic foams via frontal polymerization |
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Mechanical Engineering Mechanics of Materials General Materials Science |
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2022 |
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<jats:title>Abstract</jats:title><jats:p>The properties of foams, an important class of cellular solids, are most sensitive to the volume fraction and openness of its elementary compartments; size, shape, orientation, and the interconnectedness of the cells are other important design attributes. Control of these morphological traits would allow the tailored fabrication of useful materials. While approaches like ice templating have produced foams with elongated cells, there is a need for rapid, versatile, and energy‐efficient methods that also control the local order and macroscopic alignment of cellular elements. Here, a fast and convenient method is described to obtain anisotropic structural foams using frontal polymerization. Foams are fabricated by curing mixtures of dicyclopentadiene and a blowing agent via frontal ring‐opening metathesis polymerization (FROMP). The materials are characterized using microcomputed tomography (micro‐CT) and an image analysis protocol to quantify the morphological characteristics. The cellular structure, porosity, and hardness of the foams change with blowing agent, concentration, and resin viscosity. Moreover, a full factorial combination of variables is used to correlate each parameter with the structure of the obtained foams. The results demonstrate the controlled production of foams with specific morphologies using the simple and efficient method of frontal polymerization.</jats:p> |
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| author | Alzate‐Sanchez, Diego M., Cencer, Morgan M., Rogalski, Michael, Kersh, Mariana E., Sottos, Nancy, Moore, Jeffrey S. |
| author_facet | Alzate‐Sanchez, Diego M., Cencer, Morgan M., Rogalski, Michael, Kersh, Mariana E., Sottos, Nancy, Moore, Jeffrey S., Alzate‐Sanchez, Diego M., Cencer, Morgan M., Rogalski, Michael, Kersh, Mariana E., Sottos, Nancy, Moore, Jeffrey S. |
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| description | <jats:title>Abstract</jats:title><jats:p>The properties of foams, an important class of cellular solids, are most sensitive to the volume fraction and openness of its elementary compartments; size, shape, orientation, and the interconnectedness of the cells are other important design attributes. Control of these morphological traits would allow the tailored fabrication of useful materials. While approaches like ice templating have produced foams with elongated cells, there is a need for rapid, versatile, and energy‐efficient methods that also control the local order and macroscopic alignment of cellular elements. Here, a fast and convenient method is described to obtain anisotropic structural foams using frontal polymerization. Foams are fabricated by curing mixtures of dicyclopentadiene and a blowing agent via frontal ring‐opening metathesis polymerization (FROMP). The materials are characterized using microcomputed tomography (micro‐CT) and an image analysis protocol to quantify the morphological characteristics. The cellular structure, porosity, and hardness of the foams change with blowing agent, concentration, and resin viscosity. Moreover, a full factorial combination of variables is used to correlate each parameter with the structure of the obtained foams. The results demonstrate the controlled production of foams with specific morphologies using the simple and efficient method of frontal polymerization.</jats:p> |
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| spelling | Alzate‐Sanchez, Diego M. Cencer, Morgan M. Rogalski, Michael Kersh, Mariana E. Sottos, Nancy Moore, Jeffrey S. 0935-9648 1521-4095 Wiley Mechanical Engineering Mechanics of Materials General Materials Science http://dx.doi.org/10.1002/adma.202105821 <jats:title>Abstract</jats:title><jats:p>The properties of foams, an important class of cellular solids, are most sensitive to the volume fraction and openness of its elementary compartments; size, shape, orientation, and the interconnectedness of the cells are other important design attributes. Control of these morphological traits would allow the tailored fabrication of useful materials. While approaches like ice templating have produced foams with elongated cells, there is a need for rapid, versatile, and energy‐efficient methods that also control the local order and macroscopic alignment of cellular elements. Here, a fast and convenient method is described to obtain anisotropic structural foams using frontal polymerization. Foams are fabricated by curing mixtures of dicyclopentadiene and a blowing agent via frontal ring‐opening metathesis polymerization (FROMP). The materials are characterized using microcomputed tomography (micro‐CT) and an image analysis protocol to quantify the morphological characteristics. The cellular structure, porosity, and hardness of the foams change with blowing agent, concentration, and resin viscosity. Moreover, a full factorial combination of variables is used to correlate each parameter with the structure of the obtained foams. The results demonstrate the controlled production of foams with specific morphologies using the simple and efficient method of frontal polymerization.</jats:p> Anisotropic Foams via Frontal Polymerization Advanced Materials |
| spellingShingle | Alzate‐Sanchez, Diego M., Cencer, Morgan M., Rogalski, Michael, Kersh, Mariana E., Sottos, Nancy, Moore, Jeffrey S., Advanced Materials, Anisotropic Foams via Frontal Polymerization, Mechanical Engineering, Mechanics of Materials, General Materials Science |
| title | Anisotropic Foams via Frontal Polymerization |
| title_full | Anisotropic Foams via Frontal Polymerization |
| title_fullStr | Anisotropic Foams via Frontal Polymerization |
| title_full_unstemmed | Anisotropic Foams via Frontal Polymerization |
| title_short | Anisotropic Foams via Frontal Polymerization |
| title_sort | anisotropic foams via frontal polymerization |
| title_unstemmed | Anisotropic Foams via Frontal Polymerization |
| topic | Mechanical Engineering, Mechanics of Materials, General Materials Science |
| url | http://dx.doi.org/10.1002/adma.202105821 |