TERMIUM Plus®

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

THERMOPLASTIC SYSTEM [3 records]

Record 1 2012-01-09

English

Subject field(s)
  • Roofs (Building Elements)
  • Waterproofing (Construction)
CONT

Most vinyl roofing membranes are sealed using hot air, which can be compared to welding metal. The process joins two rolls of membranes at the overlap areas (without using another dissimilar material) to create one monolithic layer that covers the entire roof. The heat-welded, permanently fused seams on vinyl roofing membrane form a watertight seal, and their peel strength can be critical to the roof system’s long-term performance against wind forces.

CONT

ROOF technology allows old roof membrane to be renewed without removal. ROOF technology is based upon a thermochemical treatment of bitumen roof coating. With heat applied to a section of roof coating bitumen and bituminiferous mastics start melting. Imbued with own bitumen, roof coating gains improved waterproofing capabilities. Once cooled such coating becomes a tough monolithic layer, smooth and watertight.

CONT

Hot-applied rubberized asphalts consist of proprietary blends of asphalt, mineral fillers, elastomers(natural, synthetic, or a blend of both), virgin or reclaimed oil and a thermoplastic resin. It is applied hot in such a manner as to form an impermeable monolithic membrane over the surface to be waterproofed, which may be concrete, gypsum board or wood. Improved versions of this type of system consist of two coats of rubberized asphalt with a polyester mat in between, called the fully reinforced or two-ply system.

OBS

monolithic layer: term officially approved by the Lexicon Project Committee (New Brunswick).

French

Domaine(s)
  • Toitures (Éléments du bâtiment)
  • Étanchéité (Construction)
CONT

Les bitumes caoutchoutés sont constitués de mélanges particuliers de bitume, de fillers minéraux, d'élastomères (naturels, synthétiques ou un mélange des deux), d'huile vierge ou recyclée et d'une résine thermoplastique. Le produit est appliqué à chaud de manière à former une membrane monolithique imperméable au-dessus de la surface à hydrofuger, qui peut être en bêton, en plaques de plâtre ou en bois. Des versions améliorées de ce type de membrane sont composées de deux couches de bitume caoutchouté et d'un mat de polyester intercalaire; ces membranes sont dites «entièrement armées» ou «à deux épaisseurs».

OBS

couche monolithique : terme uniformisé par le Comité du projet de lexiques (Nouveau-Brunswick).

Spanish

Save record 1

Record 2 2001-06-28

English

Subject field(s)
  • Casting and Patternmaking (Metal Processing)
CONT

In other commercial developments, 3D Systems, Inc.(U. S.), has just introduced a new ink-jet prototyping system, "Multi-Jet Modeling" which uses a printing head with 96 individual jets that deposits a low-melting-temperature thermoplastic. Using the same material the support structure is deposited as thin, needle-like structures.

French

Domaine(s)
  • Moulage et modelage des métaux
CONT

Le prototypage par jet pour modèles couches minces est similaire dans son principe à une imprimante à jet d'encre. Cette installation de prototypage «dessine» une pièce en cire en trois dimensions à partir d'un fichier CAO. Deux têtes spéciales, animées par une mécanique de traceurs, déposent, l'une sur l'autre, deux couches de cires plastifiées de compositions et de couleurs différentes (...) la couche inférieure sert de support - elle joue le rôle de la feuille lors d'une impression sur papier - et disparaîtra ensuite dans un bain solvanté. Subsiste un prototype dont les caractéristiques sont très voisines d'une cire de fonderie.

Spanish

Save record 2

Record 3 1990-09-28

English

Subject field(s)
  • Joints and Connections (Construction)
  • Technical Textiles
  • Soil Mechanics (Engineering)
CONT

Solvent seams use a brushed liquid solvent between the two geomembrane sheets to be joined, followed by pressure to make complete contact. These seams are used primarily on thermoplastic materials. Bodied solvent seams are similar except that 8 to 12% of the parent lining material is dissolved in the solvent and then the seam is made. Pressure is necessary and the use of heat guns or radiant heaters aids the process. A solvent adhesive uses an adherent left after dissipation of the solvent. The adhesive thus becomes an additional element in the system.

OBS

Bodied solvent adhesive: An adhesive consisting of a solution of the liner compound used in the seaming of liner membranes.

French

Domaine(s)
  • Joints et assemblages (Construction)
  • Textiles techniques
  • Mécanique des sols
OBS

Adhésif à solvant : Adhésif dont le véhicule est un liquide organique volatil et non de l'eau.

OBS

Adhésif à solvant épaissi : Adhésif constitué d'une solution du composé de membrane utilisé pour le jointoiement des membranes.

Spanish

Save record 3

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