Effect of Accelerated Weathering on the Physical and Mechanical Properties of Natural - Fiber Thermoplastic CompositesUniversity of Wisconsin--Madison, 2002 - 282 pages |
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Page 11
... Wavelength The wavelength of absorbed light will determine the effectiveness for initiating photo oxidation . The critical wavelengths can be understood through the following equation E = hv ( 2.13 ) where h is Planck's constant and v ...
... Wavelength The wavelength of absorbed light will determine the effectiveness for initiating photo oxidation . The critical wavelengths can be understood through the following equation E = hv ( 2.13 ) where h is Planck's constant and v ...
Page 12
... wavelengths of the solar spectrum ( Davis 1983 ) . The critical wavelengths for polymers can be thought of as wavelengths less than 400 nm and greater than 295 nm , 295 nm being the shortest wavelength that is not filtered out by the ...
... wavelengths of the solar spectrum ( Davis 1983 ) . The critical wavelengths for polymers can be thought of as wavelengths less than 400 nm and greater than 295 nm , 295 nm being the shortest wavelength that is not filtered out by the ...
Page 28
... wavelengths . In Cleveland Ohio for example , the intensity of UV at 320 nm changes by a factor of 8 from summer to winter ( Brennen 1988 ) . As a result , the solar cut off , the shortest wavelength not absorbed or scattered by the ...
... wavelengths . In Cleveland Ohio for example , the intensity of UV at 320 nm changes by a factor of 8 from summer to winter ( Brennen 1988 ) . As a result , the solar cut off , the shortest wavelength not absorbed or scattered by the ...
Common terms and phrases
Accelerated Weathering Additives antioxidant ASTM Change in Flexural chromaticity chromophores Coefficient of Variation color change Color Difference AE compatibilizer Composites with 0.25 compression side crystallinity degraded layer Depth of Degradation due to accelerated Effect of Accelerated Effect of Fungicide Effect of UV error bars equal exposed surface Exposure Figure Flexural Modulus flexural properties flexural strength Fungicide Gijsman HDPE 70 HDPE composites HDPE specimens hours of exposure hydroperoxides impact strength injection molded jute Kenaf lignin lignocellulosic materials matrix maximum load mechanical properties modulus for Formulation natural fibers natural weathering orientation outdoor oxidation oxygen Phase photodegradation photooxidation polymer Predicted Flexural Rabek radicals reactions reduced result roof panels show the effects sisal specimens exposed Stabilizer and Accelerated standard deviation strain strength for Formulation stress Table temperature tension side Thermoplastic Composites Total Color Difference unexposed modulus unexposed strength UV stabilizer values with error Visible Depth wavelengths Weathering on Flexural Wood Flour Composites Wood Flour Content