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Kinetics of crosslinking of poly(vinyl chloride) in the presence of tetramethylthiuram disulfide and zinc oxide

机译:Kinetics of crosslinking of poly(vinyl chloride) in the presence of tetramethylthiuram disulfide and zinc oxide

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AbstractContinuous measurements in a Vuremo curemeter at temperatures from 160°C to 195°C were used to estimate the extent of crosslinking of poly(vinyl chloride) which was plotted against cure time. The linearized forms of the cure curves clearly show that at obvious tetramethylthiuram disulfide–zinc oxide concentrations, the course of crosslinking differs significantly from the first‐order rate law. These digressions caused by the degradation crosslinking of poly(vinyl chloride) were diminished by increasing tetramethylthiuram disulfide concentration, which simultaneously increases the ultimate extent of controlled crosslinking. On the basis of the above results, a method of the kinetic analysis of the cure curves is disc

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