Thermal Stability and Flammability of Sulphochlorinated Polyethylene Compositions

摘要

The effect of some metal oxides used as nonactive fillers and fire retardant system components on thermal characteristics and flammability of sulphochlorinated polyethylene was studied. The flammability of compositions was estimated by the limiting LOJ method under standard conditions and also in the case of flame spreading in the horizontal direction and in the vertical one upwards. Temperature profiles in a burning wave were determined with the help of a thermocouple probe for optimum composition. Heat flows from the flame to the polymer surface were calculated. A materials fire-protective properties were estimated by the thermal shock method with single-side heating. The mechanism of a materials fire-protective effect was discussed.