ASTM D1583-01

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
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Designation:D1583–01
Standard Test Method for
1
Hydrogen Ion Concentration of Dry Adhesive Films
This standard is issued under the fixed designation D 1583; 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.
This standard has been approved for use by agencies of the Department of Defense.
1. Scope 5. Significance and Use
1.1 This test method covers determination of the hydrogen 5.1 The pH of an adhesive may be a factor whereby the
ion concentration (pH), acidity, or alkalinity, of organic adhe- adherends or the adhesive itself may be adversely affected in
sives in the cured dry film form. This test method is not time by the acidity or alkalinity.
designed to apply to pressure-sensitive adhesives.
6. Apparatus
1.2 The values stated in SI units are to be regarded as the
6.1 pH Meter, capable of making measurements to 60.05
standard. The values given in parentheses are for information
only. pH.
6.2 Glass Vial, capable of properly immersing the electrode
1.3 This standard does not purport to address all of the
safety concerns, if any, associated with its use. It is the of the pH meter when filled with the specified test solution.
6.3 Distilled Water, with a pH between 5.6 and 7.0 at 23 6
responsibility of the user of this standard to establish appro-
priate safety and health practices and determine the applica- 1°C (73.4 6 1.8°F).
6.4 Glass Sheet, free from scratches, approximately 200 by
bility of regulatory limitations prior to use.
250 mm (8 by 10 in.) in size for use in oven.
2. Referenced Documents
6.5 Circulating-Air Oven, capable of maintaining tempera-
2.1 ASTM Standards: tures of 23 6 1°C (73.4 6 1.8°F) to 150 6 1°C (302 6 1.8°F).
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D 907 Terminology of Adhesives
7. Sampling
E 70 Test Method for pH of Aqueous Solutions With the
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Glass Electrode 7.1 Except in special cases, take a composite sample when
possible from three or more separate containers, chosen at
3. Terminology
random.Also take samples from containers which appear to be
3.1 Definitions— Many of the terms in this test method are nonrepresentative, and test such samples separately. Place the
defined in Terminology D 907. samples immediately in airtight glass containers filled to
prevent excessive air space above the adhesive and transport
4. Summary of Test Method
them to the testing laboratory in these containers. Take
4.1 Collect samples of the adhesive to be tested with any
precautions to reduce evaporation or drying to a minimum.
hardener necessary. Thoroughly mix the adhesive in the container if there is a
4.2 Dry adhesive films are prepared.
tendency for the materials to separate before a sample is taken.
4.3 The adhesive films are ground and mixed with distilled Use the required catalysts and hardeners from the same
water.
shipment as the other adhesive components if the components
4.4 The pH is determined using a pH meter in accordance are furnished as a unit by the adhesive manufacturer.
with Test Method E 70.
8. Test Specimens
8.1 Room-Temperature Setting Adhesives—Use adhesives
1 that form dry films at room temperature and mix in accordance
This test method is under the jurisdiction of ASTM Committee D14 on
with the recommendations of the adhesive manufacturer.
Adhesives and is the direct responsibility of Subcommittee D14.30 on Wood
Adhesives.
Spread the adhesive on glass or other inert material to which
Current edition approved March 10, 2001. Published May 2001. Originally
the adhesive does not adhere to a film thickness of less than
published as D 1583 – 58. Last previous edition D 1583 – 00.
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0.51 mm (0.020 in.) and allow it to dry at 23 6 1°C (73.4 6
Annual Book of ASTM Standards, Vol 15.06.
3
Annual Book of ASTM Standards, Vol 15.05. 1.8°F).
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D1583
8.2 Elevated-Temperature Setting Adhesives—Mix adhe- E 70. Repeat the determination at intervals of 24 h thereafter
sivesthatrequireheattoformadryfilminaccordancewiththe until the difference between consecutive readings is not greater
recommendations of the manufacturer. Prepare a film of the than 0.05 pH units. Record the last readings as the equilibrium
adhesive on glass or other inert material to which the adhesive film pH value of the adhesive.
does not adhere, and cure it in accordance with the recommen- 9.2 Measure the pH at 23 6 1°C (73.4 6 1.8°F).
dations of the manufacturer. The adhesive film should be less
than 0.51 mm (0.020 in.) in thickness. In the absence of
10. Report
specific recommendations for cur
...