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Main Title Study to Evaluate Techniques of Assessing Air Pollution Damage to Paints.
Author Campbel, G. G. ; Schur, G. G. ; Slawikowsk, D. E. ;
CORP Author Sherwin-Williams Co., Chicago, Ill. Research Center.
Year Published 1972
Report Number EPA-68-02-0030; R3-73-040;
Stock Number PB-222 377
Additional Subjects ( Paints ; Atmospheric corrosion) ; ( Air pollution ; Atmospheric corrosion) ; Damage ; Enamel paints ; Latex ; Alkyd resins ; Sulfur dioxide ; Ozone ; Electron microscopy ; Environmental tests ; Acrylic resins ; Gloss ; Surface properties ; Roughness ; Tensile strength ; Infrared spectroscopy ; Air pollution effects(Materials) ; Scanning electron microscopy ; Sheen
Library Call Number Additional Info Location Last
NTIS  PB-222 377 Some EPA libraries have a fiche copy filed under the call number shown. 07/26/2022
Collation 99p
Abstract Erosion rate studies supported by attenuated total infrared reflectance (ATR) measurements and scanning electron microscopy (SEM) analyses provide a definitive technique for determining the effect of atmospheric pollutants on the performance of exterior coatings. This technique is based on the use of a gas controlled, Xenon Arc type Weather-Ometer. The other methods of testing that were investigated--tensile strength, gloss or sheen and surface roughness--provided considerably less consistent trends in data for either the 'short term' exterior exposure or the Weather-Ometer studies. Atmospheric pollutants at levels representative of a highly polluted industrial site (1.0 ppm SO2 or O3) were shown in Weather-Ometer studies to exert a significant adverse effect on the performance of specific coatings compared to the zero pollutant condition. The ranking of a coating in terms of erosion rates was also shown to be virtually independent of exposure to a pollutant type or level. Four paints were studied--oil house paint, latex and coil coatings, alkyd industrial paint, and automotive refinish.
NTIS Title Notes Final rept..
PUB Date Free Form May 72,
Category Codes 13B; 11C; 68A; 71E
NTIS Prices PC E04/MF A01
Document Type NT
Cataloging Source NTIS/MT
Control Number 326565024
Origin NTIS
Type CAT