Thermal degradation of PVC cable insulation studied by simultaneous TG-FTIR and TG-EGA methods

Experimental study on the fire protection properties of PVC sheath for old and new cables

“…The degradation of PVC sheath of cable involves complex chemical and physical changes. In studying the chemical reactivity of a solid material being heated, the thermogravimetry method is one of the most popular ways [11,12]. While TG experiments are being conducted, the changing weight of a small solid material is recorded as it is heated inside an oven under controlled temperature and a certain atmosphere.…”

A criterion for thermally-induced failure of electrical cable

“…In search for a potential explanation, resistance testing of a two-layer sandwich sample consisting of the outer PVC and paper was conducted using the same temperature program. It was hypothesized that the paper may reduce its resistance as a result of a chemical reaction with the volatile products of PVC decomposition, which include hydrogen chloride [20]. The reduction was observed in about 40% of the sandwich tests.…”

Analytical Methods

“…The measurements use an optically inhomogeneous sample, irradiated by a short optical pulse, which gives rise to a heat flux profile in the material that follows the optical absorption profile. 75,163,164 TG-MS was used in thermostability studies of PVC/PANI blends, 165 and pyrolysis-GC-MS in studies of chlorinated PVC 166 its stabilization and its blends with PVC. In the range of analyzed publications, it was used only once to confirm chemical composition of a plasticizer.…”