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 16
... chromophores hence enhancing the photooxidation process . Cooling can result in variations in crystallinity with depth . Frozen in stresses at the surface could further lower the activation energy needed for radical formation ( Hoekstra ...
... chromophores hence enhancing the photooxidation process . Cooling can result in variations in crystallinity with depth . Frozen in stresses at the surface could further lower the activation energy needed for radical formation ( Hoekstra ...
Page 17
... chromophores is dissipated either as heat or as fluorescent or phosphorescent radiation . These reactions occur when the quencher has a lower energy state than the chromophore . Quenchers are useful in the stabilization of thin films ...
... chromophores is dissipated either as heat or as fluorescent or phosphorescent radiation . These reactions occur when the quencher has a lower energy state than the chromophore . Quenchers are useful in the stabilization of thin films ...
Page 19
... chromophores during processing that could influence photooxidation during service . 2.7.6 Fillers Fillers are used with polymeric materials for reinforcement and or to reduce the cost of a product . Composites are polymers that contain ...
... chromophores during processing that could influence photooxidation during service . 2.7.6 Fillers Fillers are used with polymeric materials for reinforcement and or to reduce the cost of a product . Composites are polymers that contain ...
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