Thermal degradation of polymer-fire retardant mixtures: Part IV—Mechanism of fire retardancy in polypropylene-chlorinated paraffin mixtures |
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| Authors: | G Camino L Costa |
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| Institution: | Istituto di Chimica Macromolecolare dell''Università, V. G. Bidone, 36, 10125 Turin, Italy |
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| Abstract: | From oxygen and nitrous oxide indices of polypropylene-chlorinated paraffin mixtures it can be deduced that, in addition to the flame poisoning effect of HCl eliminated by the chloroparaffin, the lower flammability of the volatile products formed by thermal degradation of polypropylene heated in the presence of this additive seems to contribute to its fire retardance activity. |
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