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Morphology profiles obtained by reaction‐induced phase separation in epoxy/polysulfone/poly(ether imide) systems
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| Zeitschriftentitel: | Polymer International |
|---|---|
| Personen und Körperschaften: | , , , |
| In: | Polymer International, 54, 2005, 6, S. 897-903 |
| Format: | E-Article |
| Sprache: | Englisch |
| veröffentlicht: |
Wiley
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| Schlagwörter: |
| author_facet |
Giannotti, MI Mondragon, I Galante, MJ Oyanguren, PA Giannotti, MI Mondragon, I Galante, MJ Oyanguren, PA |
|---|---|
| author |
Giannotti, MI Mondragon, I Galante, MJ Oyanguren, PA |
| spellingShingle |
Giannotti, MI Mondragon, I Galante, MJ Oyanguren, PA Polymer International Morphology profiles obtained by reaction‐induced phase separation in epoxy/polysulfone/poly(ether imide) systems Polymers and Plastics Materials Chemistry Organic Chemistry |
| author_sort |
giannotti, mi |
| spelling |
Giannotti, MI Mondragon, I Galante, MJ Oyanguren, PA 0959-8103 1097-0126 Wiley Polymers and Plastics Materials Chemistry Organic Chemistry http://dx.doi.org/10.1002/pi.1786 <jats:title>Abstract</jats:title><jats:p>The reaction‐induced phase separation in epoxy/aromatic diamine formulations simultaneously modified with two immiscible thermoplastics (TPs), poly(ether imide) (PEI) and polysulfone (PSF), has been studied. The epoxy monomer was based on the diglycidyl ether of bisphenol A (DGEBA) and the aromatic diamine was 4,4′‐methylenebis(3‐chloro 2,6‐diethylaniline) (MCDEA). Phase‐separation conversions are reported for various PSF/PEI proportions for blends containing 10 wt% total TP. On the basis of phase‐separation results, a conversion–composition phase diagram at 200 °C was compiled. This diagram was used to design particular cure cycles in order to generate different morphologies during the phase‐separation process. It was found that, depending on the PSF/PEI ratio employed, a particulate or a morphology characterized by a distribution of irregular PEI‐rich domains dispersed in an epoxy‐rich phase was obtained for initially miscible blends. Scanning electron microscopy (SEM) characterization revealed that the PEI‐rich phase exhibits a phase‐inverted structure and the epoxy‐rich matrix presents a bimodal size distribution of TP‐rich particles. For PSF/PEI ratios near the miscibility limit, slight temperature change result in morphology profiles. Copyright © 2005 Society of Chemical Industry</jats:p> Morphology profiles obtained by reaction‐induced phase separation in epoxy/polysulfone/poly(ether imide) systems Polymer International |
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| title |
Morphology profiles obtained by reaction‐induced phase separation in epoxy/polysulfone/poly(ether imide) systems |
| title_unstemmed |
Morphology profiles obtained by reaction‐induced phase separation in epoxy/polysulfone/poly(ether imide) systems |
| title_full |
Morphology profiles obtained by reaction‐induced phase separation in epoxy/polysulfone/poly(ether imide) systems |
| title_fullStr |
Morphology profiles obtained by reaction‐induced phase separation in epoxy/polysulfone/poly(ether imide) systems |
| title_full_unstemmed |
Morphology profiles obtained by reaction‐induced phase separation in epoxy/polysulfone/poly(ether imide) systems |
| title_short |
Morphology profiles obtained by reaction‐induced phase separation in epoxy/polysulfone/poly(ether imide) systems |
| title_sort |
morphology profiles obtained by reaction‐induced phase separation in epoxy/polysulfone/poly(ether imide) systems |
| topic |
Polymers and Plastics Materials Chemistry Organic Chemistry |
| url |
http://dx.doi.org/10.1002/pi.1786 |
| publishDate |
2005 |
| physical |
897-903 |
| description |
<jats:title>Abstract</jats:title><jats:p>The reaction‐induced phase separation in epoxy/aromatic diamine formulations simultaneously modified with two immiscible thermoplastics (TPs), poly(ether imide) (PEI) and polysulfone (PSF), has been studied. The epoxy monomer was based on the diglycidyl ether of bisphenol A (DGEBA) and the aromatic diamine was 4,4′‐methylenebis(3‐chloro 2,6‐diethylaniline) (MCDEA). Phase‐separation conversions are reported for various PSF/PEI proportions for blends containing 10 wt% total TP. On the basis of phase‐separation results, a conversion–composition phase diagram at 200 °C was compiled. This diagram was used to design particular cure cycles in order to generate different morphologies during the phase‐separation process. It was found that, depending on the PSF/PEI ratio employed, a particulate or a morphology characterized by a distribution of irregular PEI‐rich domains dispersed in an epoxy‐rich phase was obtained for initially miscible blends. Scanning electron microscopy (SEM) characterization revealed that the PEI‐rich phase exhibits a phase‐inverted structure and the epoxy‐rich matrix presents a bimodal size distribution of TP‐rich particles. For PSF/PEI ratios near the miscibility limit, slight temperature change result in morphology profiles. Copyright © 2005 Society of Chemical Industry</jats:p> |
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| author | Giannotti, MI, Mondragon, I, Galante, MJ, Oyanguren, PA |
| author_facet | Giannotti, MI, Mondragon, I, Galante, MJ, Oyanguren, PA, Giannotti, MI, Mondragon, I, Galante, MJ, Oyanguren, PA |
| author_sort | giannotti, mi |
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| description | <jats:title>Abstract</jats:title><jats:p>The reaction‐induced phase separation in epoxy/aromatic diamine formulations simultaneously modified with two immiscible thermoplastics (TPs), poly(ether imide) (PEI) and polysulfone (PSF), has been studied. The epoxy monomer was based on the diglycidyl ether of bisphenol A (DGEBA) and the aromatic diamine was 4,4′‐methylenebis(3‐chloro 2,6‐diethylaniline) (MCDEA). Phase‐separation conversions are reported for various PSF/PEI proportions for blends containing 10 wt% total TP. On the basis of phase‐separation results, a conversion–composition phase diagram at 200 °C was compiled. This diagram was used to design particular cure cycles in order to generate different morphologies during the phase‐separation process. It was found that, depending on the PSF/PEI ratio employed, a particulate or a morphology characterized by a distribution of irregular PEI‐rich domains dispersed in an epoxy‐rich phase was obtained for initially miscible blends. Scanning electron microscopy (SEM) characterization revealed that the PEI‐rich phase exhibits a phase‐inverted structure and the epoxy‐rich matrix presents a bimodal size distribution of TP‐rich particles. For PSF/PEI ratios near the miscibility limit, slight temperature change result in morphology profiles. Copyright © 2005 Society of Chemical Industry</jats:p> |
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| spelling | Giannotti, MI Mondragon, I Galante, MJ Oyanguren, PA 0959-8103 1097-0126 Wiley Polymers and Plastics Materials Chemistry Organic Chemistry http://dx.doi.org/10.1002/pi.1786 <jats:title>Abstract</jats:title><jats:p>The reaction‐induced phase separation in epoxy/aromatic diamine formulations simultaneously modified with two immiscible thermoplastics (TPs), poly(ether imide) (PEI) and polysulfone (PSF), has been studied. The epoxy monomer was based on the diglycidyl ether of bisphenol A (DGEBA) and the aromatic diamine was 4,4′‐methylenebis(3‐chloro 2,6‐diethylaniline) (MCDEA). Phase‐separation conversions are reported for various PSF/PEI proportions for blends containing 10 wt% total TP. On the basis of phase‐separation results, a conversion–composition phase diagram at 200 °C was compiled. This diagram was used to design particular cure cycles in order to generate different morphologies during the phase‐separation process. It was found that, depending on the PSF/PEI ratio employed, a particulate or a morphology characterized by a distribution of irregular PEI‐rich domains dispersed in an epoxy‐rich phase was obtained for initially miscible blends. Scanning electron microscopy (SEM) characterization revealed that the PEI‐rich phase exhibits a phase‐inverted structure and the epoxy‐rich matrix presents a bimodal size distribution of TP‐rich particles. For PSF/PEI ratios near the miscibility limit, slight temperature change result in morphology profiles. Copyright © 2005 Society of Chemical Industry</jats:p> Morphology profiles obtained by reaction‐induced phase separation in epoxy/polysulfone/poly(ether imide) systems Polymer International |
| spellingShingle | Giannotti, MI, Mondragon, I, Galante, MJ, Oyanguren, PA, Polymer International, Morphology profiles obtained by reaction‐induced phase separation in epoxy/polysulfone/poly(ether imide) systems, Polymers and Plastics, Materials Chemistry, Organic Chemistry |
| title | Morphology profiles obtained by reaction‐induced phase separation in epoxy/polysulfone/poly(ether imide) systems |
| title_full | Morphology profiles obtained by reaction‐induced phase separation in epoxy/polysulfone/poly(ether imide) systems |
| title_fullStr | Morphology profiles obtained by reaction‐induced phase separation in epoxy/polysulfone/poly(ether imide) systems |
| title_full_unstemmed | Morphology profiles obtained by reaction‐induced phase separation in epoxy/polysulfone/poly(ether imide) systems |
| title_short | Morphology profiles obtained by reaction‐induced phase separation in epoxy/polysulfone/poly(ether imide) systems |
| title_sort | morphology profiles obtained by reaction‐induced phase separation in epoxy/polysulfone/poly(ether imide) systems |
| title_unstemmed | Morphology profiles obtained by reaction‐induced phase separation in epoxy/polysulfone/poly(ether imide) systems |
| topic | Polymers and Plastics, Materials Chemistry, Organic Chemistry |
| url | http://dx.doi.org/10.1002/pi.1786 |