TERMIUM Plus®

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

MELT STRENGTH [9 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2011-04-04

English

Subject field(s)
  • Textile Industries
  • Textiles: Preparation and Processing
  • Dyes and Pigments (Industries)
  • Pigments and Colours (Arts)
CONT

Wholly aromatic polyester fiber-reinforced high performance thermoplastic and process for preparing same. Self-reinforced polymer composites of 60-5% by weight of an at least partially crystalline high performance thermoplastic polymer and 40-95% by weight of a melt processable wholly aromatic polyester which exhibit anisotropic properties in the melt phase. This wholly aromatic polyester is a liquid crystal polymer... The wholly aromatic polyester is in the form of... unidirectionally oriented continuous fibers, primarily in the range of about 1 to 10 micrometers in diameter, distributed in a matrix of polyether etherketone. The polymer composites of this invention have high tensile strength, high modulus, satisfactory elongation, good impact strength, good flame resistance, good high temperature properties, and good electrical properties which remain stable over a wide range of temperatures and frequencies.

French

Domaine(s)
  • Industries du textile
  • Apprêt et traitements divers (Textiles)
  • Teintures et pigments (Industries)
  • Pigments et couleurs (Arts)

Spanish

Save record 1

Record 2 2007-11-19

English

Subject field(s)
  • Plastics Industry
CONT

Impact grades with higher performance and melt strength, but often lacking clarity, can be formulated for extrusion blow molding.

PHR

High impact grade.

French

Domaine(s)
  • Industrie des plastiques
PHR

Grade à haute résistance aux chocs.

Spanish

Save record 2

Record 3 2007-11-19

English

Subject field(s)
  • Plastic Materials
CONT

The extrusion blow-molding process requires the resin to have a capability known as "melt strength. "The extruded parison must always hang in the air by its own strength until the mold can capture it for blow molding. Resins that have a relatively "sharp" melting point or that do not have melt strength, as is the case with many injection grades, are difficult to blow mold.

CONT

Melt strength(MS) is the measurement of a product's parison flow during extrusion.

French

Domaine(s)
  • Matières plastiques
CONT

La résistance de la paraison à l'état fondu dépend directement des caractéristiques de fonte de la résine extrudée. La capacité à extruder une paraison de dimensions suffisantes pour produire la pièce désirée dépend de la résistance de la paraison à l'état fondu. Plus la paraison est grande et lourde, plus la résistance à l'état fondu doit être importante.

Spanish

Save record 3

Record 4 2007-11-19

English

Subject field(s)
  • Plastics Industry
CONT

Resins that have a relatively "sharp" melting point or that do not have melt strength, as is the case with many injection grades, are difficult to blow mold.

French

Domaine(s)
  • Industrie des plastiques
CONT

Grade injection à très haute fluidité.

Spanish

Save record 4

Record 5 2003-10-20

English

Subject field(s)
  • Plastic Materials
  • Biochemistry
CONT

Resins that have a relatively "sharp" melting point or that do not have melt strength, as is the case with many injection grades, are difficult to blow mold.

French

Domaine(s)
  • Matières plastiques
  • Biochimie

Spanish

Campo(s) temático(s)
  • Materiales plásticos
  • Bioquímica
Save record 5

Record 6 1998-08-26

English

Subject field(s)
  • Plastics Manufacturing
DEF

A mark on a moulded plastic, formed by the union of two or more streams of plastic flowing together. [Definition standardized by ISO.]

CONT

Weld lines. LCPs are very shear sensitive, so the melt front will solidify quickly in the mold during processing. This rapid solidification often results in low knit-line strength. Large knit lines should be avoided or placed in low-stress areas whenever possible.

OBS

weld line; knit line; weld mark: terms standardized by ISO.

Key term(s)
  • welding line
  • welding mark

French

Domaine(s)
  • Plasturgie
DEF

Marque à la surface d'un objet moulé, formée par la réunion de deux ou plusieurs courants de plastique. [Définition normalisée par l'ISO.]

DEF

Ligne de rencontre de deux flux qui ont fusionné en raison d'une fluidité suffisante associée à un déplacement en commun.

OBS

ligne de soudure : terme normalisé par l'ISO.

Spanish

Campo(s) temático(s)
  • Fabricación de plásticos
Save record 6

Record 7 1997-11-26

English

Subject field(s)
  • Plastics Manufacturing
CONT

The preform mold consists of four major components: preform cavity, injection nozzle, neckring insert, and core rod assembly.

CONT

The core rod assembly ... has four functions or features: It forms the interior of the preform. It supports the parison or the bottle during transfer. It is the valve where air enters to expand the parison. The valve is located either in the shoulder area or in the tip, the location being governed by the bottle or core rod length-to-diameter ratio. Wide mouth bottles (that is, core rods with low length-to-diameter ratios) will usually have a shoulder valve. The core rod has a "blow by" groove. This annular groove, located near the seating shank ... is needed to seal the parison and prevent excessive air loss during bottle blowing and to eliminate elastic retraction of the parison during the transfer between cavities.

CONT

Even though the parison is exposed to the air, melt strength is not as crucial because of the support provided by the parison core rod.

OBS

See Figure 82.21 in PLMAT, p. 1085.

French

Domaine(s)
  • Plasturgie
CONT

[...] le soufflage s'effectue en général au travers du noyau.

OBS

Voir Figure 31 dans TECHN.

Spanish

Save record 7

Record 8 1997-08-11

English

Subject field(s)
  • Plastics Industry
CONT

Impact grades with higher performance and melt strength, but often lacking clarity, can be formulated for extrusion blow molding.

French

Domaine(s)
  • Industrie des plastiques
CONT

Le polycarbone est également disponible en grade renforcé avec des fibres de verre (amélioration de la rigidité, de la résistance à la flamme, du retrait au moulage).

Spanish

Save record 8

Record 9 1997-06-03

English

Subject field(s)
  • Plastics Manufacturing
CONT

Because PET lacks melt strength, it is not generally suitable for the extrusion blow-molding process; however, it may be coextruded in a multilayer process.

OBS

Co-extrusion.

French

Domaine(s)
  • Plasturgie
CONT

Feuilles et plaques co-extrudées.

Spanish

Save record 9

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