TERMIUM Plus®

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

POLYMERIZATION [3 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2011-08-26

English

Subject field(s)
  • Chemical Engineering
DEF

A chemical reaction in which a large number of molecules combine to form a chain-like macromolecule.

OBS

The polymerization reaction occurs spontaneously in nature; industrially it is performed by subjecting unsaturated or otherwise reactive substances to conditions that will bring about combination.

OBS

polymerization: term standardized by ISO.

French

Domaine(s)
  • Génie chimique
DEF

Réaction de deux ou plusieurs molécules identiques non saturées pour former une seule molécule dont la formule brute est un multiple de celle de la molécule originale. [Définition normalisée par l'ISO.]

OBS

polymérisation : terme normalisé par l'ISO et par l'AFNOR.

Spanish

Campo(s) temático(s)
  • Ingenieria química
DEF

Reacción química en la que dos o más moléculas sencillas se combinan para formar una macromolécula en forma de cadena.

Save record 1

Record 2 2004-10-20

English

Subject field(s)
  • Chemical Engineering
  • Bioengineering
DEF

Reaction in which a molecular weight is produced by successive additions to or condensations of a simpler compound; e.g., polystyrene may be produced from styrene, or rubber from isoprene, or a polynucleotide from a mononucleotides.

CONT

Any of the various components of the type of mixture necessary to gel-entrap an enzyme by polymerization have the potential to denature the enzyme... The monomer, typically comprising 20 to 60% of the polymerization reaction mixture, is more likely to damage the enzyme than are the reaction initiating free radicals, which are present in low concentrations, usually 10-6M or less. While lowering the monomer concentration may result in less damage to the enzyme, it also frequently weakens the gel and decreases the amount of protein entrapped.

French

Domaine(s)
  • Génie chimique
  • Technique biologique
DEF

Réaction chimique au cours de laquelle un nombre plus ou moins grand de molécules de faible poids moléculaire (monomères) possédant, au moins, deux groupes fonctionnels, s'unissent pour former des composés de poids moléculaire élevé (polymères).

CONT

Avec des rayonnements ionisants, il faut, pour obtenir une inactivation totale des enzymes, appliquer des doses élevées, [...] bien supérieures aux doses permettant d'obtenir une stérilisation ou radappertisation. [...] Cette propriété permet d'utiliser les radiations ionisantes (rayons gamma ou rayons cathodiques) pour stériliser des préparations enzymatiques ou encore pour accélérer certaines réactions de polymérisation dans la préparation des enzymes immobilisées.

Spanish

Campo(s) temático(s)
  • Ingenieria química
  • Bioingeniería
DEF

Reacción o serie de reacciones mediante las cuales numerosas moléculas pequeñas de un monómero son soldadas y forman moléculas gigantes de un polímero.

Save record 2

Record 3 2003-06-23

English

Subject field(s)
  • Prosthetic Dentistry
DEF

The reaction which takes place between the powder and liquid during the curing of acrylic.

French

Domaine(s)
  • Dentisterie prothétique
DEF

Formation en chaîne de plusieurs molécules d'un composé pour constituer une macromolécule. L'union de ces molécules fondamentales (monomères) se produit lors d'une réaction chimique et forme un polymère.

Spanish

Campo(s) temático(s)
  • Prótesis dental
DEF

Proceso donde se logra hacer reaccionar moléculas para formar los polímeros necesarios para obtener piezas sólidas en el material dental.

Save record 3

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