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Article Navigation> JOURNAL OF BEIJING INSTITUTE OF TECHNOLOGY> 2010> 19(4): 480-486
JIANG Yun-yun, YANG Rong-jie. Study of Flame Retardation of Polycarbonate Modified by Polyhedral Oligomeric Silsesquioxane and Caged Bicyclic Phosphate[J]. JOURNAL OF BEIJING INSTITUTE OF TECHNOLOGY, 2010, 19(4): 480-486.
Citation: JIANG Yun-yun, YANG Rong-jie. Study of Flame Retardation of Polycarbonate Modified by Polyhedral Oligomeric Silsesquioxane and Caged Bicyclic Phosphate[J].JOURNAL OF BEIJING INSTITUTE OF TECHNOLOGY, 2010, 19(4): 480-486.
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Study of Flame Retardation of Polycarbonate Modified by Polyhedral Oligomeric Silsesquioxane and Caged Bicyclic Phosphate

  • School of Materials Science and Engineering, Beijing Institute of Technology, Beijing 100081, China

  • Received Date:2009-10-16
    Abstract
  • The flame-retarded polycarbonate (PC) has been made with octaphenyl polyhedral silsesquioxane (OPS) and/or caged bicyclic phosphate (Trimer). Thermal gravimetric analysis (TGA), Fourier-transform infrared (FTIR), TGA-FTIR, limiting oxygen index (LOI), and mechanical tests have been employed to characterize the modified PC. The additives of OPS and Trimer in PC have been proved to be effective flame-retardants because of the synergistic interaction between the elements of P and Si. The role of OPS and Trimer in PC degradation are different: OPS participates in the charring of PC, while Trimer makes PC degrade in advance. In addition, OPS and Trimer induced obvious differences in the mechanical properties of PC.
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