The processing of two unplasticized compounds of poly(vinyl chloride) (PVC) with and without wood flour (WF) was performed in a Brabender mixing chamber, at various chamber temperatures between 130 and 200°C and at a shear rate of 12.61 s −1 . The test was carried out up to the time corresponding to the equilibrium state of the torque, and the variations of torque and real melt temperature as functions of time were analyzed. It was found that the addition of WF led to fusion at lower chamber temperature and that during gelation, stronger self‐heating effects occurred in the WF‐filled PVC compound. Various characteristics of the real temperature gelation curves of PVC with and without the WF filler were observed and are discussed. J. VINYL ADDIT. TECHNOL., 2011.
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Tomaszewska et al. (2011) studied this question.
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