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Journal of Applied Sciences

Year: 2003  |  Volume: 3  |  Issue: 10  |  Page No.: 614 - 626

Dynamic Mechanical Thermal Analysis (DMTA) of Polypropylene (PP) Containing Decabromodiphenyl Ether (DBDE) and Glycerol

S. Hamdan, D.M.A. Hashim, M. Ahmad and C.C. Khei


Three series of Polypropylene (PP) specimens, namely series A (without glycerol), B (with 5% glycerol) and C (with 10% glycerol) with various percentage of Decabromodiphenyl Ether (DBDE), were studied using Dynamic Mechanical Thermal Analyzer (DMTA). For series A specimen, pure PP (0% glycerol and 0% DBDE) yield the highest storage modulus E’, and the 2% of DBDE gave the lowest (most degradable) E’. 5% DBDE in series B specimen (5% glycerol) produced the lowest E’ while in series C specimen (10% glycerol) 5% DBDE yield the highest E’. For series C specimen, 0.5% DBDE yield the lowest E’ (the most degradable blend). Below the transition temperature E’ did not necessarily decreased systematically with increasing percentage of DBDE for C series specimen.

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