TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

BUNA S [1 record]

Record 1 2016-03-11

English

Subject field(s)
  • Rubber
DEF

By far the most widely used type of synthetic rubber, ... These materials are suspended in finely divided emulsion form in a large proportion of water, in the presence of a soap or detergent. Also present in small amounts are an initiator or catalyst ...

OBS

Use: Tires, footwear, mechanical goods, coatings, adhesives, solvent-release sealants, carpet backing.

OBS

original code name: Buna S - American government code: GR-S - current code: SBR.

Key term(s)
  • Buna
  • Buna rubber

French

Domaine(s)
  • Caoutchouc
CONT

Butadiène-styrène. Connu aussi sous les noms commerciaux de Buna S, GR-S, S.B.R., c'est le plus important des caoutchoucs synthétiques du point de vue quantitatif. [...] On le prépare en polymérisant en émulsion butadiène et styrène selon le rapport 77/23, avec des catalyseurs radicalaires au persulfate.

OBS

Le SBR [...] est [...] un copolymère de butadiène et de styrène, développé d'abord en Allemagne sous le nom de Buna-S. Pendant la Seconde Guerre mondiale, les États-Unis ont utilisé la technologie allemande pour le fabriquer sous la dénomination GRS (government rubber styrene), qui a fait place ensuite à celle de SBR.

Spanish

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