TERMIUM Plus®
The Government of Canada’s terminology and linguistic data bank.
THREE DIMENSIONAL NETWORK [1 record]
Record 1 - internal organization data 2007-01-31
Record 1, English
Record 1, Subject field(s)
- Chemistry
Record 1, Main entry term, English
- three dimensional network
1, record 1, English, three%20dimensional%20network
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
- three-dimensional network 2, record 1, English, three%2Ddimensional%20network
correct
Record 1, Textual support, English
Record number: 1, Textual support number: 1 CONT
A urethane is formed from the reaction of an isocyanate with an alcohol. In general, polyurethanes are made using a diisocyanate, a low molecular weight diol (thermoplastic) and/or triol (cross-linked), and a polyether glycol or a polyester glycol. If the reagents are difunctional, a non cross-linked thermoplastic polyurethane will be formed; if the functionality of at least one of the reagents is greater than two, a cross-linked or three dimensional network will form. Cross-linked polyurethanes exhibit less mechanical creep than non cross-linked polyurethanes. The rubbery modulus of polyurethanes increases as the level of cross-linking is increased. Polyurethanes are diblock copolymers. They consist of hard segments (isocyanate and the chain extender rich areas) that act as physical crosslinks, and soft segments (polyether or polyester glycol rich areas). 3, record 1, English, - three%20dimensional%20network
Record 1, French
Record 1, Domaine(s)
- Chimie
Record 1, Main entry term, French
- réseau tridimensionnel
1, record 1, French, r%C3%A9seau%20tridimensionnel
correct, masculine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 CONT
Les adhésifs époxydes sont constitués de : [...] un (ou des) durcisseur(s) ou agent(s) de réticulation qui, par réaction chimique avec les groupements époxydes, permettent la formation du réseau tridimensionnel réticulé. 2, record 1, French, - r%C3%A9seau%20tridimensionnel
Record number: 1, Textual support number: 2 CONT
La structure des TD (résines thermodurcissables) a la forme d'un réseau tridimensionnel qui se ponte (double liaison de polymérisation) pour durcir en forme de façon définitive, lors d'un échauffement. La transformation est donc irréversible. 3, record 1, French, - r%C3%A9seau%20tridimensionnel
Record 1, Spanish
Record 1, Textual support, Spanish
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