The Effects of Zinc Borate Addition on the Flammability Characteristics of Polyester, Vinyl Ester and Epoxy Glass Reinforced Plastics

Abstract

The effects of an inorganic fire-retardant additive, zinc borate, on flammability characteristics and smoke generation of glass reinforced polyester, vinyl ester and epoxy resins were evaluated. Information is presented on the flame spread index (ASTM E162), limiting oxygen index (ASTM D2863), density of smoke generated (ASTM E662) and toxic gases of combustion (Boeing BSS 7239). Results indicated that the addition of 10 phr of zinc borate to the polymeric materials significantly decreased the flame spread index and increased the limiting oxygen index; however, the amount of smoke generated during pyrolytic and flaming combustion was high and unacceptable. Finally, the, toxic gas evolution data indicated that the threshold limit values for some gases were exceeded. Zinc borate, Fire-retardant, Flammability, Oxygen index, Flame spread index, Smoke generation.

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Document Details

Document Type
Technical Report
Publication Date
Oct 01, 1993
Accession Number
ADA273164

Entities

People

  • Richard M. Morchat

Organizations

  • Defence Research and Development Canada

Tags

Communities of Interest

  • Energy and Power Technologies
  • Ground and Sea Platforms

DTIC Thesaurus Topics

  • Additives (Chemicals)
  • Chemical Reactions
  • Chemical Synthesis
  • Chemistry
  • Combustion
  • Epoxy Resins
  • Fires
  • Gas Evolution
  • Material Degradation Processes
  • Materials
  • Materials Laboratories
  • Materials Processing
  • Materials Science
  • Plastics
  • Polymers
  • Reinforced Plastics
  • Resins

Fields of Study

  • Materials science

Readers

  • Analytical Chemistry
  • Combustion science or combustion engineering.
  • Polymer Science and Engineering.