TERMIUM Plus®

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

CROSSLINKING AGENT [2 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2014-04-10

English

Subject field(s)
  • Chemical Engineering
  • Plastics Manufacturing
DEF

A substance that promotes or regulates intermolecular covalent or ionic bonding between polymer chains.

CONT

Polymers. ... In addition to the monomers, this includes other reactants such as catalysts, free radical initiators, cross-linking and chain transfer agents that are intended to become chemically incorporated into the polymer structure.

OBS

Crosslinking may also be produced by radiation.

OBS

crosslinking agent: term and definition standardized by ISO [International Organization for Standardization].

French

Domaine(s)
  • Génie chimique
  • Plasturgie
DEF

Substance qui initie ou régularise la réaction de réticulation entre des chaînes de polymères.

OBS

La réticulation peut être aussi obtenue au moyen de radiations.

OBS

agent de réticulation; réticulant : termes et définition normalisés par l'ISO [Organisation internationale de normalisation].

OBS

agent de réticulation : terme normalisé par l'AFNOR.

Spanish

Campo(s) temático(s)
  • Ingenieria química
  • Fabricación de plásticos
DEF

Sustancia que promueve o regula los enlaces intermoleculares covalentes o iónicos entre cadenas de polímeros.

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Record 2 2012-12-10

English

Subject field(s)
  • Biological Sciences
CONT

Crosslinking ... involves the addition of the appropriate amount of crosslinking agent to an enzyme solution under conditions which give rise to the formation of multiple covalent bonds.... The reagents required for crosslinking possess two identical functional groups (homobifunctional reagents) or two or more different functional groups (heterobi- or heteromulti-functional reagents), the latter being more common in binding enzymes to insoluble carriers than in intermolecular crosslinking reactions. The main reagents used contain: carboxyl functional groups, ... diazo groups, ... isocyanate groups, ... alkyl iodides and iodoacetamides.

French

Domaine(s)
  • Sciences biologiques
CONT

Les agents de couplage enzyme-support sont en bonne règle des agents bifonctionnels, actifs dans des conditions douces (glutaraldéhyde, carbodiimides, etc.). Souvent, la liaison n'est pas effectuée en une seule étape, mais le support est d'abord activé, puis la protéine lui est fixée. Cette approche, qui n'a pas encore eu d'usage industriel à grande échelle à proprement parler, est en fait réservée à des enzymes rares, du fait du prix des opérations. Cependant, les produits obtenus sont particulièrement stables.

Spanish

Campo(s) temático(s)
  • Ciencias biológicas
DEF

Molécula que posee grupos funcionales diferentes o similares, y que es capaz de reaccionar con las moléculas superficiales de dos sustancias diferentes, provocando con ello puentes intermoleculares entre las sustancias.

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TERMIUM Plus®, the Government of Canada's terminology and linguistic data bank
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