Reference number
ISO 17744:2004
© ISO 2025
International Standard
ISO 17744:2004
Plastics — Determination of specific volume as a function of temperature and pressure (pvT diagram) — Piston apparatus method
Edition 1
2004-11
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Published (Edition 1, 2004)
This publication was last reviewed and confirmed in 2017. Therefore this version remains current.

ISO 17744:2004

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Format
CHF 98
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Abstract

ISO 17744:2004 describes procedures for determining the specific volume of plastics as a function of temperature and pressure in both the molten and solid states.

The standard specifies the use of a piston-equipped apparatus in which the test sample, held in a measurement cell, is pressurized by means of the piston. Measurements under conditions of constant pressure or constant temperature can be made. In the constant-pressure mode, the maximum heating and cooling rates permissible are restricted to 5 °C/min.

By using these procedures, it is possible to obtain:

  • pvT diagrams that represent the relationship which exists between pressure, specific volume and temperature for a given material;
  • compressibility and volumetric thermal-expansion coefficients;
  • information on first-order and glass transitions as a function of temperature and pressure.

General information

  • Status
     : Published
    Publication date
     : 2004-11
    Stage
    : International Standard to be revised [90.92]
  • Edition
     : 1
    Number of pages
     : 18
  • Technical Committee :
    ISO/TC 61/SC 5
    ICS :
    83.080.01 
  • RSS updates

Life cycle

Sustainable Development Goals

This standard contributes to the following Sustainable Development Goal

9
Industry, Innovation and Infrastructure

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