Foaming agent

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An additive that decomposes to form a gas. Some foaming agents, such dinitroso compounds (dinitroso pentamethylene tetramine) and hydrazides (benzene sulfonyl hydrazide) generate nitrogen upon heating. They are used in fire extinguishers and to produce foamed plastics from Polyethylene, Silicone, Epoxy, and vinyl resins. Other types of foaming agents, such as bicarbonates, produce carbon dioxide. In Ethafoam, isobutene is used as a blowing agent along with glycerol monostearate as a permeation control agent (Williams 2019).

Synonyms and Related Terms

blowing agent; foaming agents; agent moussant (Fr.)

Resources and Citations

  • R. Scott Williams, ‘Plastic Storage Products’ In ‘Preventive Conservation: Collection Storage’ Lisa Elkin and Christopher A. Norris (eds.), Society for the Preservation of Natural History Collections, New York. 2019.
  • Theodore J. Reinhart, 'Glossary of Terms', Engineered Plastics, ASM International, 1988
  • Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
  • Van Nostrand's Scientific Encyclopedia, Douglas M. Considine (ed.), Van Nostrand Reinhold, New York, 1976

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