Compatibilization of Poly(Trimethylene Terephthalate)/Polycarbonate Blends by Epoxy. Part 1. Miscibility and Morphology
| Autor: | Yong-Liang Yu, Hoe H. Chuah, Mei‐Ling Xue, Jing Sheng, Chang‐Hua Geng |
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| Rok vydání: | 2005 |
| Předmět: |
Bisphenol A
Materials science Polymers and Plastics General Chemistry Epoxy Compatibilization Condensed Matter Physics Miscibility Chemical reaction chemistry.chemical_compound Differential scanning calorimetry chemistry visual_art Materials Chemistry visual_art.visual_art_medium Polymer blend Composite material Polycarbonate |
| Zdroj: | Journal of Macromolecular Science, Part B. 44:317-329 |
| ISSN: | 1525-609X 0022-2348 |
| DOI: | 10.1081/mb-200056627 |
| Popis: | Epoxy resin has been demonstrated to be an efficient reactive compatibilizer for poly(trimethylene terephthalate)/polycarbonate (PTT/PC) blends. Two types of reactions mainly occurred during melt blending, epoxy ring opening, reaction and hydrolysis reaction between epoxy and PTT and PC. Differential scanning calorimetry (DSC) and DMA results showed that the miscibility of epoxy‐containing blends was substantially improved. The compatibilization effect of epoxy on PTT/PC was correlated with blend composition. When the two components were in near equal content, a much better compatibilization effect was exhibited at constant epoxy content. Viscosity analysis suggested that the main interactions between epoxy and PTT (or PC) were not chemical reactions but instead were non‐chemical ones. The blend's morphology was strongly influenced by its epoxy content. When 1 phr epoxy was added during blending, a much finer morphology was exhibited. When epoxy content reached 2.7 phr or more, the blends did not show dis... |
| Databáze: | OpenAIRE |
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