The glass transition temperature of nitrated polystyrene/poly(acrylic acid) blends
Low‐molecular‐weight polystyrene was nitrated to different levels. The nitrated polystyrene was blended with different molecular weights of poly(acrylic acid), PAA. The glass transition temperatures (Tg) for the mixtures were investigated by differential scanning calorimetry. A single Tg was observe...
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| Veröffentlicht in: | Polymer engineering and science 1996-08, Vol.36 (16), p.2083-2087 |
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| container_title | Polymer engineering and science |
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| creator | Al-Najjar, Mohammed M. Hamid, S. Halim Hamad, Esam Z. |
| description | Low‐molecular‐weight polystyrene was nitrated to different levels. The nitrated polystyrene was blended with different molecular weights of poly(acrylic acid), PAA. The glass transition temperatures (Tg) for the mixtures were investigated by differential scanning calorimetry. A single Tg was observed for all blends, indicating single‐phase blends. In general, it was found that the Tg increases with molecular weight of PAA. The Tg values of the blends showed a positive deviation from the linear average Tg as a result of strong hydrogen bonding between the segments of the component polymers. The observed Tg values were not adequately represented by simple predictive equations or by single‐parameter fitting equations. However, two‐parameter fitting equations gave a reasonable representation of the data. |
| doi_str_mv | 10.1002/pen.10604 |
| format | Article |
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Halim</au><au>Hamad, Esam Z.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>The glass transition temperature of nitrated polystyrene/poly(acrylic acid) blends</atitle><jtitle>Polymer engineering and science</jtitle><addtitle>Polym Eng Sci</addtitle><date>1996-08</date><risdate>1996</risdate><volume>36</volume><issue>16</issue><spage>2083</spage><epage>2087</epage><pages>2083-2087</pages><issn>0032-3888</issn><eissn>1548-2634</eissn><coden>PYESAZ</coden><abstract>Low‐molecular‐weight polystyrene was nitrated to different levels. The nitrated polystyrene was blended with different molecular weights of poly(acrylic acid), PAA. The glass transition temperatures (Tg) for the mixtures were investigated by differential scanning calorimetry. A single Tg was observed for all blends, indicating single‐phase blends. In general, it was found that the Tg increases with molecular weight of PAA. 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| issn | 0032-3888 1548-2634 |
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| source | Wiley Online Library Journals Frontfile Complete |
| subjects | Acrylic acid Applied sciences Composites Exact sciences and technology Forms of application and semi-finished materials Measurement Polymer industry, paints, wood Polystyrene Technology of polymers |
| title | The glass transition temperature of nitrated polystyrene/poly(acrylic acid) blends |
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