ASTM D4603-18
(Test Method)Standard Test Method for Determining Inherent Viscosity of Poly(Ethylene Terephthalate) (PET) by Glass Capillary Viscometer
Standard Test Method for Determining Inherent Viscosity of Poly(Ethylene Terephthalate) (PET) by Glass Capillary Viscometer
SIGNIFICANCE AND USE
5.1 The inherent viscosity is relatable to the composition and molecular weight of a polyester resin. It must be controlled so that the processability and end properties of the resin remain in a desired range.
SCOPE
1.1 This test method is for the determination of the inherent viscosity of poly(ethylene terephthalate) (PET) soluble at 0.50 % concentration in a 60/40 phenol/1,1,2,2-tetrachloroethane solution by means of a glass capillary viscometer. Highly crystalline forms of PET that are not soluble in this solvent mixture will require a different procedure.
1.2 The inherent viscosity values obtained by this test method are comparable with those obtained using differential viscometry described in Test Method D5225.
1.3 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.
1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. Specific hazards statements are given in Section 8.
1.4.1 Warning—Mercury has been designated by many regulatory agencies as a hazardous material that can cause serious medical issues. Mercury, or its vapor, has been demonstrated to be hazardous to health and corrosive to materials. Caution should be taken when handling mercury and mercury containing products. See the applicable product Safety Data Sheet (SDS) for additional information. Users should be aware that selling mercury and/or mercury containing products into your state or country may be prohibited by law
Note 1: This standard and ISO 1628-5 address the same subject matter, but differ in technical content. This ISO standard gives an option of solvents for PET. Solvent specified in this ASTM test method is one of the options in the ISO method. ISO also uses Type 1C Ubbelohde viscometer, rather than the 1B, and reports viscosity number, rather than inherent viscosity.
1.5 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.
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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: D4603 − 18
Standard Test Method for
Determining Inherent Viscosity of Poly(Ethylene
1
Terephthalate) (PET) by Glass Capillary Viscometer
This standard is issued under the fixed designation D4603; 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* 1.5 This international standard was developed in accor-
dance with internationally recognized principles on standard-
1.1 This test method is for the determination of the inherent
ization established in the Decision on Principles for the
viscosity of poly(ethylene terephthalate) (PET) soluble at
Development of International Standards, Guides and Recom-
0.50 % concentration in a 60/40 phenol/1,1,2,2-
mendations issued by the World Trade Organization Technical
tetrachloroethane solution by means of a glass capillary vis-
Barriers to Trade (TBT) Committee.
cometer.HighlycrystallineformsofPETthatarenotsolublein
this solvent mixture will require a different procedure.
2. Referenced Documents
1.2 The inherent viscosity values obtained by this test 2
2.1 ASTM Standards:
method are comparable with those obtained using differential
D445 Test Method for Kinematic Viscosity of Transparent
viscometry described in Test Method D5225.
and Opaque Liquids (and Calculation of Dynamic Viscos-
1.3 The values stated in SI units are to be regarded as the ity)
standard. The values given in parentheses are for information D446 Specifications and Operating Instructions for Glass
only. Capillary Kinematic Viscometers
D1972 Practice for Generic Marking of Plastic Products
1.4 This standard does not purport to address all of the
3
(Withdrawn 2014)
safety concerns, if any, associated with its use. It is the
D5225 Test Method for Measuring Solution Viscosity of
responsibility of the user of this standard to establish appro-
Polymers with a Differential Viscometer
priate safety, health, and environmental practices and deter-
E2251 Specification for Liquid-in-Glass ASTM Thermom-
mine the applicability of regulatory limitations prior to use.
eters with Low-Hazard Precision Liquids
Specific hazards statements are given in Section 8.
E691 Practice for Conducting an Interlaboratory Study to
1.4.1 Warning—Mercury has been designated by many
Determine the Precision of a Test Method
regulatory agencies as a hazardous material that can cause
E2935 Practice for Conducting Equivalence Testing in
serious medical issues. Mercury, or its vapor, has been
Laboratory Applications
demonstrated to be hazardous to health and corrosive to
IEEE/ASTM SI-10 Practice for Use of the International
materials. Caution should be taken when handling mercury
System of Units (SI)
and mercury containing products. See the applicable product
2.2 ISO Standard:
Safety Data Sheet (SDS) for additional information. Users
ISO 1628-5 Determination of the Viscosity of Polymers in
should be aware that selling mercury and/or mercury contain-
Dilute Solution Using Capillary Viscometers—Part 5:
ing products into your state or country may be prohibited by
Thermoplastic Polyester (TP) homopolymers and Copo-
law
4
lymers.
NOTE 1—This standard and ISO 1628-5 address the same subject
2.3 NIST Standard:
matter, but differ in technical content. This ISO standard gives an option
5
of solvents for PET. Solvent specified in thisASTM test method is one of
C 602 Testing of Glass Volumetric Apparatus
the options in the ISO method. ISO also uses Type 1C Ubbelohde
viscometer, rather than the 1B, and reports viscosity number, rather than
inherent viscosity.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website.
1 3
This test method is under the jurisdiction ofASTM Committee D20 on Plastics The last approved version of this historical standard is referenced on
and is the direct responsibility of Subcommittee D20.70 on Analytical Methods www.astm.org.
4
(D20.70.05). Available fromAmerican National Standards Institute (ANSI), 25 W. 43rd St.,
Current edition approved May 1, 2018. Published June 2018. Originally 4th Floor, New York, NY 10036, http://www.ansi.org.
ɛ1 5
approved in 1986. Last previous edition approved in 2011 as D4603 – 03(2011) . Available from National Institute of Standards and Technology (NIST), 100
DOI: 10.1520/D4603-18. Bureau Dr., Stop 1070, Gaithersburg, MD 20899-1070, http:
...
This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
´1
Designation: D4603 − 03 (Reapproved 2011) D4603 − 18
Standard Test Method for
Determining Inherent Viscosity of Poly(Ethylene
1
Terephthalate) (PET) by Glass Capillary Viscometer
This standard is issued under the fixed designation D4603; 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
ε NOTE—Reapproved with editorial change to 6.5 in November 2011.
1. Scope Scope*
1.1 This test method is for the determination of the inherent viscosity of poly(ethylene terephthalate) (PET) soluble at 0.50 %
concentration in a 60/40 phenol/1,1,2,2-tetrachloroethane solution by means of a glass capillary viscometer. Highly crystalline
forms of PET that are not soluble in this solvent mixture will require a different procedure.
1.2 The inherent viscosity values obtained by this test method are comparable with those obtained using differential viscometry
described in Test Method D5225.
1.3 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.
1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility
of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory
limitations prior to use. Specific hazards statements are given in Section 8.
1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility
of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of
regulatory limitations prior to use. Specific hazards statements are given in Section 8.
1.4.1 Warning—Mercury has been designated by many regulatory agencies as a hazardous material that can cause serious
medical issues. Mercury, or its vapor, has been demonstrated to be hazardous to health and corrosive to materials. Caution should
be taken when handling mercury and mercury containing products. See the applicable product Safety Data Sheet (SDS) for
additional information. Users should be aware that selling mercury and/or mercury containing products into your state or country
may be prohibited by law
NOTE 1—This test method standard and ISO 1628-5 are similar but not technically equivalent. address the same subject matter, but differ in technical
content. This ISO standard gives an option of solvents for PET. Solvent specified in this ASTM test method is one of the options in the ISO method. ISO
also uses Type 1C Ubbelohde viscometer, rather than the 1B, and reports viscosity number, rather than inherent viscosity.
1.5 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.
2. Referenced Documents
2
2.1 ASTM Standards:
D445 Test Method for Kinematic Viscosity of Transparent and Opaque Liquids (and Calculation of Dynamic Viscosity)
D446 Specifications and Operating Instructions for Glass Capillary Kinematic Viscometers
3
D1972 Practice for Generic Marking of Plastic Products (Withdrawn 2014)
D5225 Test Method for Measuring Solution Viscosity of Polymers with a Differential Viscometer
E1E2251 Specification for ASTM Liquid-in-Glass ThermometersLiquid-in-Glass ASTM Thermometers with Low-Hazard
Precision Liquids
IEEE/ASTM SI-10 Practice for Use of the International System of Units (SI)
1
This test method is under the jurisdiction of ASTM Committee D20 on Plastics and is the direct responsibility of Subcommittee D20.70 on Analytical Methods
(D20.70.05).
Current edition approved Nov. 15, 2011May 1, 2018. Published April 2012June 2018. Originally approved in 1986. Last previous edition approved in 20032011 as
ɛ1
D4603 – 03.D4603 – 03(2011) . DOI: 10.1520/D4603-03R11E01.10.1520/D4603-18.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM Standards
volume information, refer to the standard’s Document Summary page on the ASTM website.
3
The last approved version of this historical standard is referenced
...
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