Accession Number : ADA187064

Title :   Effects of Additives on Fire Properties of Polyethylene.

Descriptive Note : Technical memo,

Corporate Author : ROYAL AIRCRAFT ESTABLISHMENT FARNBOROUGH (ENGLAND)

Personal Author(s) : Christopher, A J

PDF Url : ADA187064

Report Date : Jul 1987

Pagination or Media Count : 36

Abstract : Low-density polyethylene, with and without an antimony-bromine synergistic fire retardant or aluminum hydroxide, was subjected to standard fire tests and to experiments which determined the smoke and harmful fumes emitted on overheating. Both additives improved most fire properties but the fire retardant increased the smoke generated by intense radiant heat. The onset of smoke, flammable gas, carbon monoxide and acids was generally delayed by the additives. The total amounts and maximum values of these volatiles were lessened. Sample weight and form effect the results from these experiments. Observations during heating show that the additives reduce spreading of the melt, thus reducing the surface area available for oxidation. This Memorandum has been submitted to the journal 'Fire and Materials'.

Descriptors :   *FIRE RESISTANT COATINGS, *POLYETHYLENE, ACIDS, ADDITIVES, ALUMINUM, CARBON MONOXIDE, FIRES, FLAMMABILITY, GASES, HEAT, HYDROXIDES, INTENSITY, LOW DENSITY, OXIDATION, SMOKE, STANDARDIZATION, TEST METHODS, VOLATILITY

Subject Categories : Polymer Chemistry
      Miscellaneous Materials

Distribution Statement : APPROVED FOR PUBLIC RELEASE