SYMPOSIA PAPER Published: 01 January 1953
STP47929S

Resinography, the Microscopy of Resins and Their Plastics

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A principal purpose of testing materials is to correlate the results of testing with variations in manufacture. It is the role of microscopy to help all parties, in experimentation and mass production, to see what is happening. The relationship may be expressed diagrammatically, thus: In the beginning of any process of making, samples of the product are both tested and visually examined. When sufficient data on the triple relationship are gathered to make statistical sense, one factor may be deduced from the other two. For example: Seeing.—A metallurgist who has seen enough making and testing of an alloy can, within the limits of his experience, predict the metallographic appearance of a sample from his data on manufacturing conditions and physical-chemical tests. Resin technologists are gaining analogous experience in resinography. Testing.—Given the necessary manufacturing data regarding his samples, the resinographer can learn to predict, simply from his microscopical examinations, the results of test or use, with all the required statistical confidence. Making.—With competitive materials, that is, “unknown” samples, the correlation of test data and visual examination can explain the conditions which the competitor used to manufacture such a material. The necessary visual information to solve the “equations” typified above may vary from macroscopic to light microscopic and to electron microscopic. The experienced observer goes only as far as necessary to solve the problem. The following examples were chosen as typical in some resin industries.

Author Information

Rochow, T., G.
American Cyanamid Co., Stamford, Conn.
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Details
Developed by Committee: E04
Pages: 81–93
DOI: 10.1520/STP47929S
ISBN-EB: 978-0-8031-8373-5
ISBN-13: 978-0-8031-6853-4