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ASTM D6887-03

(Test Method)

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

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

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 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.

General Information

Status
Historical
Publication Date
09-Mar-2003
ICS
87.060.20 - Binders
Technical Committee
D01 - Paint and Related Coatings, Materials, and Applications
Drafting Committee
D01.37 - Ink Vehicles
Current Stage
Ref Project

Relations

Replaced By
ASTM D6887-03e1 - Standard Test Method for Testing Alkyd Compatibility with Resin or Resin Solutions
Effective Date
10-Mar-2003

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ASTM D6887-03 - Standard Test Method for Testing Alkyd Compatibility with Resin or Resin SolutionsASTM D6887-03 - Standard Test Method for Testing Alkyd Compatibility with Resin or Resin Solutions
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ASTM D6887-03 - Standard Test Method for Testing Alkyd Compatibility with Resin or Resin Solutions
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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation: D 6887 – 03
Standard Test Method for
Testing Alkyd Compatibility with Resin or Resin Solutions
This standard is issued under the fixed designation D 6887; 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 (e) indicates an editorial change since the last revision or reapproval.
1. Scope 5.2 This method is used in the lithographic industry, espe-
cially in pigment wetting applications, where the alkyd may or
1.1 This test method covers the procedure for determining
may not be totally compatible with the resin selected for the
the degree of compatibility of an alkyd with a specific resin or
application.
resin solution.
1.2 The most common use of this method is to test alkyd
6. Apparatus
compatibility with a hydrocarbon resin or a solution of the
6.1 Beakers, 150 mL (4).
resin in an aliphatic solvent, for lithographic ink vehicle
6.2 Jars, with lids, 4 oz (4).
applications.
6.3 Balance, capacity of at least 200 g, accurate to 60.1 g.
1.3 This standard does not purport to address all of the
6.4 Hot Plate, capable of heating to a minimum of 200°C.
safety concerns, if any, associated with its use. It is the
6.5 Thermometer, 0 to 200°C, 61°C
responsibility of the user of this standard to establish appro-
6.6 Spatula, or stirrer rods.
priate safety and health practices and determine the applica-
bility of regulatory limitations prior to use.
7. Test Samples
2. Referenced Documents 7.1 Alkyd to be tested.
7.2 Resin or resin solution.
2.1 ASTM Standards:
D 6038 Test Method for Determining the Compatibility of
8. Procedure
Resin/Solvent Mixtures by Precipitation Temperature
8.1 Label each jar and beaker with the resin, alkyd and ratio
3. Terminology being tested.
8.2 Weigh into the beaker the following materials:
3.1 Definitions:
Ratio
3.1.1 compatibility, n—resin and solvent mixture forms a
Material
2:1 3:1 4:1 5:1
clear, homogenous, and stable solution. D 6038
Resin/Resin Solution 16.0 g 18.0 g 20.0 g 20.0 g
3.1.2 incompatibility, n—resin and solvent mixture does not Alkyd 8.0 g 6.0 g 5.0 g 4.0 g
form a clear, homogenous, and stable solution.
8.3 Place the beakers on the hot plate and heat to 160°C. Stir
with spatula or stir rod until clear.
4. Summary of Test Method
8.4 Pour the blend from each beaker into the appropriately
4.1 The required resin to alkyd ratio is mixed into a 150-mL
labeled jar then cool to room temperature.
beaker and heated to 160°C until clear and homogenous.
8.5 Wait 30 min then visually observe degree of clarity of
4.2 The solution is placed into pre-labeled jars and cooled.
each test sample.
4.3 Degree of compatibility is reported at 30 min and 24 h
NOTE 1—Some applications may requi
...

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Note 1: It has been reported that this method may not be applicable to gum rosin, especially any gum rosin containing volatile terpenes. Volatile terpenes are by definition unsaponifiable matter, and can be lost under the drying conditions described in 8.4. The method is applicable to tall oil rosin and wood rosin as these rosins do not contain volatile terpenes.  
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