ISO 11357-2:2020
Plastics — Differential scanning calorimetry (DSC) — Part 2: Determination of glass transition temperature and step height
This document specifies methods for the determination of the glass transition temperature and the step height related to the glass transition of amorphous and partially crystalline plastics.
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Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Apparatus and materials
6 Test specimens
7 Test conditions and specimen conditioning
8 Calibration
9 Procedure
9.1 Setting up the apparatus
9.2 Loading the test specimen into the crucible
9.3 Insertion of crucibles
9.4 Temperature scan
10 Expression of results
10.1 Determination of glass transition temperatures
10.1.1 General
10.1.2 Equal-areas method
10.1.3 Half-step-height method
10.1.4 Inflection-point method
10.2 Determination of glass transition step height
11 Precision
12 Test report
Bibliography
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Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Apparatus and materials
6 Test specimens
7 Test conditions and specimen conditioning
8 Calibration
9 Procedure
9.1 Setting up the apparatus
9.2 Loading the test specimen into the crucible
9.3 Insertion of crucibles
9.4 Temperature scan
10 Expression of results
10.1 Determination of glass transition temperatures
10.1.1 General
10.1.2 Equal-areas method
10.1.3 Half-step-height method
10.1.4 Inflection-point method
10.2 Determination of glass transition step height
11 Precision
12 Test report
Bibliography