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    On the Use of Ion Scattering Spectroscopy to Predict the Outdoor Durability of Polymeric Films

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    Ion scattering spectroscopy (ISS) has been found to have potential as a fast method of predicting the outdoor durability of polymeric films. Three sets of samples were studied by ISS. The samples had been artificially weathered for 500 hours. The ISS measurements looked at the hydrogen/carbon (H/C) and the oxygen/carbon (O/C) ratios as a function of depth. There was no apparent correlation of the ratios of the weathered samples to known outdoor performance. However, when the H/C and O/C ratios of the file samples were divided by those of the artificially weathered samples as a function of depth, there was a correlation. The proportions of the H/C ratios were found to correspond directly to the known outdoor weathering results for two of the three sets of samples. The proportions of the O/C ratios were found to correspond to known outdoor weathering in the third set and also to one of the two sets in which there was correlation with the H/C ratios.


    ion scattering spectroscopy, weathering

    Author Information:

    Adkins, RR
    Division Scientist, 3M Corporation, St. Paul, MN

    Committee/Subcommittee: G03.09

    DOI: 10.1520/STP12472S