The Effect of Compatibilizer and Short Glass Fiber on Microstructure and Mechanical Properties of PBT/PC Blend

Shahab, Amir Reza | 2019

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  1. Type of Document: M.Sc. Thesis
  2. Language: Farsi
  3. Document No: 52349 (07)
  4. University: Sharif University of Technology
  5. Department: Characterization and Material Selection
  6. Advisor(s): Bagheri, Reza
  7. Abstract:
  8. In this research, we studied the effect of compatibilizer and short glass fiber on microstructure and mechanical properties of PBT/PC blends. Fisrt, Antioxidants and sodium pyrophosphate dibasic were used to suppress transesterification in PBT/PC Blend. The results showed that best composition occur when both of them are used. In the next step, we used 3%wt MBS (methyl methacrylate-butadiene-styrene) and saw that this weight percent of this compatibilizer doesn’t useful. Moreover addition of short glass fiber to PBT/PC was examined and the results showed that mechanical properties of composite are extensively increased. Also in this step, we proved this idea that we can replace some of PBT with PC in PBT/GF composites to reduce costs. Finally, 3%wt MBS was added to PBT/PC/GF to examining compatibilizing effect of MBS and found that it’s not useful
  9. Keywords:
  10. Polybutylene Terephthalate ; Polybutylene Terephthalate/Polycarbonate (PBT/PC)Blends ; Transesterification Reaction ; Compatibilizer ; Short Glass Fiber ; Microstructure ; Mechanical Properties

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