Problems of ageing and stabilization of poly(vinyl chloride)

The synergism of MgCO3 and 2ZnCO3·3ZnO·4H2O as flame retardants and smoke suppressants for flexible poly(vinyl chloride) (PVC)

“…As shown in Figure 1 (a-d) and Table 2, the decomposition on thermogravimetry (TG) curves can be divided into two stages. The first stage from 240 to 350 °C is mainly due to the emission of hydrogen chloride and the degradation of DOP [14,15]. All the samples' weight loss is about 50-67 wt% at the first stage.…”

“…Where β is the heating rate in K·min −1 (β = 5, 10,15,20), α is the conversion, T α the temperature at conversion α with various heating rates, g(α) is a function of the reaction rate equation, k 0 is the frequency factor of the Arrhenius Equation, R is the gas constant (8.314 J·K −1 ·mol −1 ), and E α is the E a at conversion α.…”

Determination of the aging mechanism of single core cables with PVC insulation

“…The average molar mass of the two samples of PVC have been measured since Gummargalieva et al [18] had reported that dehydrochlorination may be monitored by the changes in molecular weight distribution. The results obtained are gathered in Table 6.…”

Principles of Uv Degradation

“…36 Plasticizer loss is one very essential mode of PVC degradation on exposure to natural and laboratory environments. 37 Figure 5.10 shows that the loss of DOP on natural exposure is an almost linear function of time. 37 Figure 5.10 shows that the loss of DOP on natural exposure is an almost linear function of time.…”