ASTM D6604-00(2022)

This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the
Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
Designation: D6604 − 00 (Reapproved 2022)
Standard Practice for
Glass Transition Temperatures of Hydrocarbon Resins by
Differential Scanning Calorimetry
This standard is issued under the fixed designation D6604; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope tained in Core Barrel Samplers for Environmental Inves-
tigations
1.1 This practice covers determination of glass transition
E473 Terminology Relating to Thermal Analysis and Rhe-
temperatures of hydrocarbon (HC) resins by differential scan-
ology
ning calorimetry (DSC).
E1356 Test Method for Assignment of the Glass Transition
1.2 This practice is applicable to HC resins as defined in
Temperatures by Differential Scanning Calorimetry
Terminology D6640. The normal operating temperature range
is from the cryogenic region to approximately 180 °C. The 3. Terminology
temperature range can be extended.
3.1 Definitions:
1.3 The values stated in SI units are to be regarded as 3.1.1 differential scanning calorimetry (DSC), n—a tech-
standard. No other units of measurement are included in this nique in which the difference in energy inputs into a substance
standard. and a reference material is measured as a function of
temperature, while the substance and reference material are
1.4 Further discussion of glass transition can be found in
subjected to a controlled temperature program.
Test Method D3418, and Test Method E1356.
3.1.1.1 Discussion—The record is the DSC curve. Two
1.5 This standard does not purport to address all of the
modes, power-compensation DSC and heat-flux DSC, can be
safety concerns, if any, associated with its use. It is the
distinguished, depending on the method of measurement used.
responsibility of the user of this standard to establish appro-
3.2 For other definitions of terms relating to thermal
priate safety, health, and environmental practices and deter-
analysis, see Terminology E473.
mine the applicability of regulatory limitations prior to use.
1.6 This international standard was developed in accor-
4. Summary of Practice
dance with internationally recognized principles on standard-
4.1 This practice consists of heating or cooling the test
ization established in the Decision on Principles for the
material at a controlled rate, in a controlled atmosphere, and
Development of International Standards, Guides and Recom-
continuously monitoring with a suitable sensing device, the
mendations issued by the World Trade Organization Technical
difference in heat input between a reference material and a test
Barriers to Trade (TBT) Committee.
material due to energy changes in the material. Absorption or
release of energy marks a transition in the specimen resulting
2. Referenced Documents
in a corresponding baseline shift in the heating or cooling
2.1 ASTM Standards:
curve.
D3418 Test Method for Transition Temperatures and En-
thalpies of Fusion and Crystallization of Polymers by
5. Significance and Use
Differential Scanning Calorimetry
5.1 Thermal analysis provides a rapid method for determin-
D6640 Practice for Collection and Handling of Soils Ob-
ing transition temperatures in HC resins that possess them.
5.2 This practice is useful for both quality assurance and
This practice is under the jurisdiction of ASTM Committee D01 on Paint and research.
Related Coatings, Materials, and Applications and is the direct responsibility of
Subcommittee D01.34 on Pine Chemicals and Hydrocarbon Resins.
6. Apparatus
Current edition approved Dec. 1, 2022. Published December 2022. Originally
6.1 Differential Scanning Calorimeter—An instrument ca-
approved in 2000. Last previous edition approved in 2017 as D6604 – 00 (2017).
DOI: 10.1520/D6604-00R22.
pable of heating or cooling at rates up to 20 °C⁄min 6
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
1 °C⁄min and automatically recording the difference in input
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
between the sample and a reference material to the required
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. sensitivity and precision.
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D6604 − 00 (2022)
particle size should be fairly consistent from sample to sample.
6.2 Sample Tubes or Pans—Borosilicate glass tubes are
used for certain applications and aluminum or other metal pans
10.2 Perform and record a preliminary t
...