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POLYMERE THERMOPLASTIQUE CRISTALLIN [1 record]

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Record 1 1990-09-28

English

Subject field(s)
  • Plastic Materials
CONT

The most common types of polymers presently used as base products in the manufacture of geomembranes can be classified as follows ...: 1- Thermoplastics ...; 2- Crystalline Thermoplastics ...; 3- Thermoplastic Elastomers ...; 4- Elastomers ... .

OBS

Crystallinity: A state of molecular structure referring to uniformity and compactness of the molecular chains forming the polymer and resulting from the formation of solid crystals with a definite geometric pattern. In some resins, such as polyethylene, the degree of crystallinity indicates the degree of stiffness, hardness, environmental stress-check resistance, and heat resistance.

French

Domaine(s)
  • Matières plastiques
OBS

Cristallin : Qualifie un solide présentant une certaine cristallinité.

OBS

Cristallinité : On parle de cristallinité pour qualifier le caractère ordonné à longue distance de molécules ou d'atomes. Celle-ci influence notablement sur les propriétés mécaniques de la matière. Les polymères thermoplastiques sont généralement amorphes mais peuvent posséder une certaine cristallinité dans des zones localisées.

Spanish

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