Molding processes of fiber reinforced thermoplastic involve phase transformations of the matrix material under non-isothermal conditions. The rates and kinetics of these transformations control the final properties of the molded composites and affect the processing cycle time. Good understanding of these transformations would allow to optimize the composite properties while minimizing the process cycle. In this work, the effect of the addition of maleic anhydride modified polypropylene, mPP, on the crystallization behavior of polypropylene, PP, matrix in glass fiber/polypropylene composites was investigated.
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