FIELD: chemistry.
SUBSTANCE: before testing in a heat chamber, samples of polymer materials are activated with UV radiation in the 248-365 nm wavelength range for 3-30 minutes with radiation power density of 1-15 mW/cm2. Analysis of volatile organic compounds is carried out while comparing the obtained chromatograms of gas samples collected from the heat chamber when testing samples of polymer materials with selected additives based on nanostructured bentonite powder and nanostructured bentonite powder intercalated with metal ions - magnesium (Mg2+ ), scandium (Sc3+), chromium (Cr3+), manganese (Mn2+), iron (Fe2+), cobalt (Co2+), nickel (Ni2+), copper (Cu2+), zinc (Zn2+), tin (Sn2+), cerium (Ce3+) or a mixture of bentonite powders intercalated with ions of said metals. The results of comparing chromatograms of gas samples are used to evaluate the effect of nanocomponents on the predicted sanitary-chemical properties of the designed polymer materials.
EFFECT: realisation of the present invention widens technological capabilities and increases reliability of results of evaluating the effect of modifying mineral nanocomponents on predicted sanitary-chemical properties based on release of volatile organic compounds from the designed polymer materials.
8 cl, 7 ex, 2 tbl, 4 dwg
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Authors
Dates
2012-08-10—Published
2011-03-14—Filed