Standard Test Method for Testing Alkyd Compatibility with Resin or Resin Solutions

SIGNIFICANCE AND USE
5.1 Incompatibility of the system can lead to loss of gloss, decreased color strength, rheological problems and grind issues in the flush or pigment base.  
5.2 This method is used in the lithographic industry, especially in pigment wetting applications, where the alkyd may or may not be totally compatible with the resin selected for the application.
SCOPE
1.1 This test method covers the procedure for determining the degree of compatibility of an alkyd with a specific resin or resin solution.  
1.2 The most common use of this method is to test alkyd compatibility with a hydrocarbon resin or a solution of the resin in an aliphatic solvent, for lithographic ink vehicle applications.  
1.3 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.  
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.  
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.

General Information

Status
Published
Publication Date
31-May-2020
Current Stage
Ref Project

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ASTM D6887-03(2020) - Standard Test Method for Testing Alkyd Compatibility with Resin or Resin Solutions
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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: D6887 − 03 (Reapproved 2020)
Standard Test Method for
Testing Alkyd Compatibility with Resin or Resin Solutions
This standard is issued under the fixed designation D6887; 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 3.1.2 incompatibility, n—resin and solvent mixture does not
form a clear, homogenous, and stable solution.
1.1 This test method covers the procedure for determining
the degree of compatibility of an alkyd with a specific resin or
4. Summary of Test Method
resin solution.
4.1 The required resin to alkyd ratio is mixed into a 150-mL
1.2 The most common use of this method is to test alkyd
beaker and heated to 160°C until clear and homogenous.
compatibility with a hydrocarbon resin or a solution of the
4.2 The solution is placed into pre-labeled jars and cooled.
resin in an aliphatic solvent, for lithographic ink vehicle
applications.
4.3 Degree of compatibility is reported at 30 min and 24 h
after cooling to room temperature.
1.3 The values stated in SI units are to be regarded as
standard. No other units of measurement are included in this
5. Significance and Use
standard.
5.1 Incompatibility of the system can lead to loss of gloss,
1.4 This standard does not purport to address all of the
decreasedcolorstrength,rheologicalproblemsandgrindissues
safety concerns, if any, associated with its use. It is the
in the flush or pigment base.
responsibility of the user of this standard to establish appro-
5.2 This method is used in the lithographic industry, espe-
priate safety, health, and environmental practices and deter-
cially in pigment wetting applications, where the alkyd may or
mine the applicability of regulatory limitations prior to use.
may not be totally compatible with the resin selected for the
1.5 This international standard was developed in accor-
application.
dance with internationally recognized principles on standard-
ization established in the Decision on Principles for the
6. Apparatus
Development of International Standards, Guides and Recom-
6.1 Beakers, 150 mL (4).
mendations issued by the World Trade Organization Technical
Barriers to Trade (TBT) Committee.
6.2 Jars, with lids, 4 oz (4).
6.3 Balance, capacity of at least 200 g, accurate to 60.1 g.
2. Referenced Documents
6.4 Hot Plate, capable of heating to a minimum of 200°C.
2.1 ASTM Standards:
D6038 Test Methods for Determining the Compatibility of
6.5 Thermometer, 0 to 200°C, 61°C.
Resin/Solvent Mixtures by Precipitation Temperature
6.6 Spatula, or stirrer rods.
(Cloud Point)
7. Test Samples
3. Terminology
7.1 Alkyd to be tested.
3.1 Definitions:
7.2 Resin or resin solution.
3.1.1 compatibility, n—resin and solvent mixture forms a
clear, homogenous, and stable solution. D6038
8. Procedure
8.1 Label each jar and beaker with the resin, alkyd and ratio
This test method is under the jurisdiction of ASTM Committee D01 on Paint
being tested.
and Related Coatings, Materials, andApplications and is the direct responsibility of
8.2 Weigh into the beaker the following materials:
Subcommittee D01.37 on Ink Vehi
...

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