Propagation of Crystallization Heat and other Observations during Injection Moulding of Semicrystalline Polymers
A novel device to investigate the temperature profile inside thermoplastic parts during injection moulding was developed. The accurate temperature measurements allowed the observation and determination of phenomena related to crystallisation and characteristic values, e.g. the cooling rate during crystallisation as a function of the part thickness, the dependency of the crystallisation on temperature and pressure, and for the first time the propagation of the crystallisation heat as superposed heat pulses from the interior of the injection moulded part toward the surface.
The Journal of Plastics Technology is a peer reviewed internet periodical published under the auspices of the Scientific Alliance of Polymer Technology (WAK)
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