ISO 11357-1:2023
Plastics — Differential scanning calorimetry (DSC) — Part 1: General principles
The ISO 11357 series specifies several differential scanning calorimetry (DSC) methods for the thermal analysis of polymers and polymer blends, such as
— thermoplastics (polymers, moulding compounds and other moulding materials, with or without fillers, fibres or reinforcements),
— thermosets (uncured or cured materials, with or without fillers, fibres or reinforcements), and
— elastomers (with or without fillers, fibres or reinforcements).
The ISO 11357 series is applicable for the observation and measurement of various properties of, and phenomena associated with, the above-mentioned materials, such as
— physical transitions (glass transition, phase transitions such as melting and crystallization, polymorphic transitions, etc.),
— chemical reactions (polymerization, crosslinking and curing of elastomers and thermosets, etc.),
— the stability to oxidation, and
—
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Basic principles
4.1 General
4.2 Heat-flux DSC
4.3 Power-compensation DSC
5 Apparatus and materials
6 Specimen
7 Test conditions and specimen conditioning
7.1 Test conditions
7.2 Conditioning of specimens
8 Calibration
8.1 General
8.2 Calibration materials
8.3 Temperature calibration
8.3.1 General
8.3.2 Procedure
8.3.3 Accuracy of calibration
8.4 Heat calibration
8.4.1 General
8.4.2 Procedure
8.4.3 Accuracy of calibration
8.5 Heat flow rate calibration
8.5.1 General
8.5.2 Procedure
9 Procedure
9.1 Setting up the apparatus
9.1.1 Switching on
9.1.2 Purge gas
9.1.3 Experimental conditions
9.1.4 Baseline determination
9.2 Loading the specimen into the crucible
9.2.1 General
9.2.2 Selection of crucibles
9.2.3 Weighing the specimen crucible
9.2.4 Loading the specimen
9.2.5 Determination of the mass of the specimen
9.3 Insertion of crucibles into the instrument
9.4 Performing measurements
9.4.1 General
9.4.2 Scanning mode
9.4.3 Isothermal mode
9.5 Post-run checks
9.5.1 Check for loss in mass
9.5.2 Inspection of specimens
9.5.3 Checking of crucibles and crucible holder
10 Test report
Annex A (normative) Extended, high-precision, temperature calibration[12]
Annex B (normative) Extended, high-precision, heat calibration
Annex C (informative) Recommended calibration materials
Annex D (informative) Interaction of calibration materials with different crucible materials
Annex E (informative) General recommendations
Bibliography
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Basic principles
4.1 General
4.2 Heat-flux DSC
4.3 Power-compensation DSC
5 Apparatus and materials
6 Specimen
7 Test conditions and specimen conditioning
7.1 Test conditions
7.2 Conditioning of specimens
8 Calibration
8.1 General
8.2 Calibration materials
8.3 Temperature calibration
8.3.1 General
8.3.2 Procedure
8.3.3 Accuracy of calibration
8.4 Heat calibration
8.4.1 General
8.4.2 Procedure
8.4.3 Accuracy of calibration
8.5 Heat flow rate calibration
8.5.1 General
8.5.2 Procedure
9 Procedure
9.1 Setting up the apparatus
9.1.1 Switching on
9.1.2 Purge gas
9.1.3 Experimental conditions
9.1.4 Baseline determination
9.2 Loading the specimen into the crucible
9.2.1 General
9.2.2 Selection of crucibles
9.2.3 Weighing the specimen crucible
9.2.4 Loading the specimen
9.2.5 Determination of the mass of the specimen
9.3 Insertion of crucibles into the instrument
9.4 Performing measurements
9.4.1 General
9.4.2 Scanning mode
9.4.3 Isothermal mode
9.5 Post-run checks
9.5.1 Check for loss in mass
9.5.2 Inspection of specimens
9.5.3 Checking of crucibles and crucible holder
10 Test report
Annex A (normative) Extended, high-precision, temperature calibration[12]
Annex B (normative) Extended, high-precision, heat calibration
Annex C (informative) Recommended calibration materials
Annex D (informative) Interaction of calibration materials with different crucible materials
Annex E (informative) General recommendations
Bibliography