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accélérateur de la vulcanisation [1 record]

Record 1 2024-05-31

English

Subject field(s)
  • Additives and Fillers (Rubber)
  • Rubber Processing
  • Plastics Manufacturing
DEF

[A compounding] ingredient ... used in small amounts with a vulcanizing agent [to] increase the speed of vulcanization [and/or] enhance the physical properties of the vulcanizate ...

CONT

Vulcanization accelerators, in simplest terms, hasten the cleavage of the sulfur ring and formation of thiyl and polysulfenyl radicals. The accelerators react in the form of their more active zinc salts, due to the nearly ubiquitous presence of zinc oxide in sulfur vulcanized compounds.

Key term(s)
  • vulcanisation accelerator
  • rubber vulcanisation accelerant
  • rubber vulcanisation accelerator
  • vulcanisation accelerant

French

Domaine(s)
  • Ingrédients (Caoutchouc)
  • Fabrication du caoutchouc
  • Plasturgie
DEF

[Ingrédient] de mélange [utilisé] en faible quantité avec un agent de vulcanisation [pour] augmenter la vitesse de vulcanisation [ou] améliorer les pro­priétés physiques du vulcanisat [...]

CONT

Il existe plus de 200 additifs utilisés dans les matériaux de caoutchouc pour en modifier la texture, l'élasticité, la durabilité, etc. Les principaux sont des accélérateurs de vulcanisation et des stabilisants (antioxydants ou autres).

Spanish

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© Public Services and Procurement Canada, 2024
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