MaTestLab > Test Standards > ASTM D5946 Corona-Treated Polymer Films

ASTM D5946 Corona-Treated Polymer Films

ASTM D5946 is a standard test method used to evaluate the surface energy and wettability of corona-treated polymer films. It involves measuring the water contact angle on the film's surface, which provides an indication of its surface tension and adhesion characteristics.

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Introduction to ASTM D5946

ASTM D5946 provides a standardized procedure for assessing the effectiveness of corona treatment on polymer films. Corona treatment is a surface modification technique used to enhance the adhesion properties of polymer films for various applications, including printing, coating, and laminating. This test method helps manufacturers and users of corona-treated films ensure consistent and reliable surface energy properties.

ASTM D5946 test method is useful for qualitative characterization, research, development, and specification purposes.

ASTM D5946 Test Method

The ASTM D5946 test method involves measuring the water contact angle on the surface of a corona-treated polymer film. The test is conducted in the following steps:

Specimen PreparationThe representative samples of the corona-treated polymer film with specific dimensions are cut. The film samples are ensured to be clean and free from any contaminants.
Water Contact Angle MeasurementA drop of distilled water is placed onto the surface of the film sample. The method uses an instrument, such as a goniometer or contact angle analyzer, to measure the contact angle formed by the water droplet on the film surface. Multiple measurements are taken at different locations on the film to obtain an average contact angle value.

ASTM D5946 Specimens

Specimen detailsASTM D5946 specimens are corona-treated polymer films, such as polyethylene (PE), polypropylene (PP), or polyethylene terephthalate (PET).
Specimen dimensionsThe standard recommends using rectangular or circular film samples with dimensions suitable for water contact angle measurements.
Specimen preparationFilm samples with the corona-treated surfaces are selected and ensured to be uniform and free from any defects or irregularities.

ASTM D5946 Results

The test method ASTM D5946 provides information about the surface energy and wettability of the corona-treated polymer films. A lower water contact angle indicates higher surface energy and better wetting characteristics, suggesting improved adhesion properties. Conversely, a higher water contact angle indicates lower surface energy and reduced wettability, which may affect the film’s adhesion performance.

Tests Related to ASTM D5946

ASTM D2578 test method for measuring the contact angle of liquids and ASTM D7334 to determine the surface energy and adhesion properties of pressure-sensitive tapes are the related standards.

FAQ's

Where can I get the astm d5946 tested?

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Please contact us for a detailed quote for your astm d5946 testing needs. Cost incurred to carry out different astm d5946 testing methodology depends on the type of raw material; number of samples, coupons, or specimens; test conditions, turn around time etc. Costs of some ASTM testing methods start from $100 and the final value depends upon the factors listed above. Please contact us for the best and latest prices.

How many samples are required for astm d5946?

The required number of samples or specimens should comply with the procedure given in the astm d5946 standard. However, the MaTestLab operations team can assist you for your special requirements once you share your testing details with us.

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How many days will it take to complete the astm d5946 test?

The turnaround time for astm d5946 test methodology depends upon the test procedure mentioned in the standard test document. However, we at MaTestLab understand your research requirements and hence try to get your test completed within the least possible time.

Where can I get the astm d5946 tested?

You can share your astm d5946 testing requirements with MaTestLab. MaTestLab has a vast network of material testing laboratories, spread across the USA and Canada. We support your all material testing needs ranging from specific astm d5946 test to various testing techniques.

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